1558 lines
40 KiB
PHP
Executable File
1558 lines
40 KiB
PHP
Executable File
<?php
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/**
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* The dao and sql class file of ZenTaoPMS.
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*
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* @copyright Copyright 2009-2011 QingDao Nature Easy Soft Network Technology Co,LTD (www.cnezsoft.com)
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* @license LGPL (http://www.gnu.org/licenses/lgpl.html)
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* @author Chunsheng Wang <chunsheng@cnezsoft.com>
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* @package framework
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* @version $Id: dao.class.php 134 2010-09-11 07:24:27Z wwccss $
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* @link http://www.zentao.net
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*/
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/**
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* DAO, data access object.
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*
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* @package framework
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*/
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class dao
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{
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/* Use these strang strings to avoid conflicting with these keywords in the sql body. */
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const WHERE = 'wHeRe';
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const GROUPBY = 'gRoUp bY';
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const HAVING = 'hAvInG';
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const ORDERBY = 'oRdEr bY';
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const LIMIT = 'lImiT';
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/**
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* The global app object.
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*
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* @var object
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* @access protected
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*/
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protected $app;
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/**
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* The global config object.
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*
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* @var object
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* @access protected
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*/
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protected $config;
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/**
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* The global lang object.
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*
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* @var object
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* @access protected
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*/
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protected $lang;
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/**
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* The global dbh(database handler) object.
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*
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* @var object
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* @access protected
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*/
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protected $dbh;
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/**
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* The sql object, used to creat the query sql.
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*
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* @var object
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* @access protected
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*/
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public $sqlobj;
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/**
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* The table of current query.
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*
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* @var string
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* @access public
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*/
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public $table;
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/**
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* The alias of $this->table.
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*
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* @var string
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* @access public
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*/
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public $alias;
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/**
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* The fields will be returned.
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*
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* @var string
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* @access public
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*/
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public $fields;
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/**
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* The query mode, raw or magic.
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*
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* This var is used to diff dao::from() with sql::from().
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*
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* @var string
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* @access public
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*/
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public $mode;
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/**
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* The query method: insert, select, update, delete, replace.
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*
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* @var string
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* @access public
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*/
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public $method;
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/**
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* The queries executed. Every query will be saved in this array.
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*
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* @var array
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* @access public
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*/
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static public $querys = array();
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/**
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* The errors.
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*
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* @var array
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* @access public
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*/
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static public $errors = array();
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/**
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* The construct method.
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*
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* @access public
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* @return void
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*/
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public function __construct()
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{
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global $app, $config, $lang, $dbh;
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$this->app = $app;
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$this->config = $config;
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$this->lang = $lang;
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$this->dbh = $dbh;
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$this->reset();
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}
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/**
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* Set the $table property.
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*
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* @param string $table
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* @access private
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* @return void
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*/
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private function setTable($table)
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{
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$this->table = $table;
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}
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/**
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* Set the $alias property.
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*
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* @param string $alias
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* @access private
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* @return void
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*/
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private function setAlias($alias)
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{
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$this->alias = $alias;
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}
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/**
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* Set the $fields property.
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*
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* @param string $fields
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* @access private
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* @return void
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*/
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private function setFields($fields)
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{
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$this->fields = $fields;
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}
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/**
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* Reset the vars.
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*
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* @access private
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* @return void
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*/
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private function reset()
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{
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$this->setFields('');
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$this->setTable('');
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$this->setAlias('');
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$this->setMode('');
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$this->setMethod('');
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}
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//-------------------- According to the query method, call according method of sql class. --------------------//
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/**
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* Set the query mode. If the method if like findByxxx, the mode is magic. Else, the mode is raw.
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*
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* @param string $mode magic|raw
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* @access private
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* @return void
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*/
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private function setMode($mode = '')
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{
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$this->mode = $mode;
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}
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/**
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* Set the query method: select|update|insert|delete|replace
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*
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* @param string $method
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* @access private
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* @return void
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*/
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private function setMethod($method = '')
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{
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$this->method = $method;
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}
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/**
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* The select method, call sql::select().
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*
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* @param string $fields
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* @access public
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* @return object the dao object self.
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*/
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public function select($fields = '*')
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{
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$this->setMode('raw');
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$this->setMethod('select');
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$this->sqlobj = sql::select($fields);
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return $this;
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}
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/**
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* The select method, call sql::update().
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*
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* @param string $table
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* @access public
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* @return object the dao object self.
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*/
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public function update($table)
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{
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$this->setMode('raw');
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$this->setMethod('update');
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$this->sqlobj = sql::update($table);
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$this->setTable($table);
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return $this;
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}
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/**
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* The delete method, call sql::delete().
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*
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* @access public
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* @return object the dao object self.
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*/
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public function delete()
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{
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$this->setMode('raw');
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$this->setMethod('delete');
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$this->sqlobj = sql::delete();
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return $this;
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}
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/**
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* The insert method, call sql::insert().
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*
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* @param string $table
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* @access public
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* @return object the dao object self.
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*/
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public function insert($table)
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{
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$this->setMode('raw');
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$this->setMethod('insert');
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$this->sqlobj = sql::insert($table);
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$this->setTable($table);
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return $this;
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}
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/**
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* The replace method, call sql::replace().
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*
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* @param string $table
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* @access public
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* @return object the dao object self.
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*/
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public function replace($table)
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{
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$this->setMode('raw');
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$this->setMethod('replace');
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$this->sqlobj = sql::replace($table);
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$this->setTable($table);
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return $this;
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}
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/**
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* Set the from table.
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*
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* @param string $table
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* @access public
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* @return object the dao object self.
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*/
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public function from($table)
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{
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$this->setTable($table);
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if($this->mode == 'raw') $this->sqlobj->from($table);
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return $this;
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}
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/**
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* Set the fields.
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*
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* @param string $fields
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* @access public
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* @return object the dao object self.
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*/
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public function fields($fields)
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{
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$this->setFields($fields);
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return $this;
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}
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/**
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* Alias a table, equal the AS keyword. (Don't use AS, because it's a php keyword.)
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*
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* @param string $alias
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* @access public
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* @return object the dao object self.
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*/
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public function alias($alias)
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{
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if(empty($this->alias)) $this->setAlias($alias);
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$this->sqlobj->alias($alias);
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return $this;
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}
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/**
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* Set the data to update or insert.
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*
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* @param object $data the data object or array
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* @param bool $autoCompany auto append company field or not
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* @access public
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* @return object the dao object self.
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*/
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public function data($data, $autoCompany = true)
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{
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if(!is_object($data)) $data = (object)$data;
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if($autoCompany and isset($this->app->company) and $this->table != TABLE_COMPANY and !isset($data->company)) $data->company = $this->app->company->id;
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$this->sqlobj->data($data);
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return $this;
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}
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//-------------------- The sql related method. --------------------//
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/**
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* Get the sql string.
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*
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* @access public
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* @return string the sql string after process.
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*/
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public function get()
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{
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return $this->processKeywords($this->processSQL());
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}
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/**
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* Print the sql string.
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*
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* @access public
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* @return void
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*/
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public function printSQL()
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{
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echo $this->processSQL();
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}
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/**
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* Process the sql, replace the table, fields and add the company condition.
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*
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* @param bool $autoCompany
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* @access private
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* @return string the sql string after process.
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*/
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private function processSQL($autoCompany = true)
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{
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$sql = $this->sqlobj->get();
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/* If the mode is magic, process the $fields and $table. */
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if($this->mode == 'magic')
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{
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if($this->fields == '') $this->fields = '*';
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if($this->table == '') $this->app->error('Must set the table name', __FILE__, __LINE__, $exit = true);
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$sql = sprintf($this->sqlobj->get(), $this->fields, $this->table);
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}
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/* If the method if select, update or delete, set the comapny condition. */
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if(isset($this->app->company) and $autoCompany and $this->table != '' and $this->table != TABLE_COMPANY and $this->method != 'insert' and $this->method != 'replace')
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{
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/* Get the position to insert company = ?. */
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$wherePOS = strrpos($sql, DAO::WHERE); // The position of WHERE keyword.
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$groupPOS = strrpos($sql, DAO::GROUPBY); // The position of GROUP BY keyword.
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$havingPOS = strrpos($sql, DAO::HAVING); // The position of HAVING keyword.
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$orderPOS = strrpos($sql, DAO::ORDERBY); // The position of ORDERBY keyword.
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$limitPOS = strrpos($sql, DAO::LIMIT); // The position of LIMIT keyword.
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$splitPOS = $orderPOS ? $orderPOS : $limitPOS; // If $orderPOS, use it instead of $limitPOS.
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$splitPOS = $havingPOS? $havingPOS: $splitPOS; // If $havingPOS, use it instead of $orderPOS.
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$splitPOS = $groupPOS ? $groupPOS : $splitPOS; // If $groupPOS, use it instead of $havingPOS.
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/* Set the conditon to be appened. */
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$tableName = !empty($this->alias) ? $this->alias : $this->table;
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$companyCondition = " $tableName.company = '{$this->app->company->id}' ";
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/* If $spliPOS > 0, split the sql at $splitPOS. */
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if($splitPOS)
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{
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$firstPart = substr($sql, 0, $splitPOS);
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$lastPart = substr($sql, $splitPOS);
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if($wherePOS)
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{
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$sql = $firstPart . " AND $companyCondition " . $lastPart;
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}
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else
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{
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$sql = $firstPart . " WHERE $companyCondition " . $lastPart;
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}
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}
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else
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{
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$sql .= $wherePOS ? " AND $companyCondition" : " WHERE $companyCondition";
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}
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}
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self::$querys[] = $this->processKeywords($sql);
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return $sql;
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}
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/**
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* Process the sql keywords, replace the constants to normal.
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*
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* @param string $sql
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* @access private
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* @return string the sql string.
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*/
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private function processKeywords($sql)
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{
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return str_replace(array(DAO::WHERE, DAO::GROUPBY, DAO::HAVING, DAO::ORDERBY, DAO::LIMIT), array('WHERE', 'GROUP BY', 'HAVING', 'ORDER BY', 'LIMIT'), $sql);
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}
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//-------------------- Query related methods. --------------------//
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/**
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* Set the dbh.
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*
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* You can use like this: $this->dao->dbh($dbh), thus you can handle two database.
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*
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* @param object $dbh
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* @access public
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* @return object the dao object self.
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*/
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public function dbh($dbh)
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{
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$this->dbh = $dbh;
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return $this;
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}
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/**
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* Query the sql, return the statement object.
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*
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* @param bool $autoCompany
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* @access public
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* @return object the PDOStatement object.
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*/
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public function query($autoCompany = true)
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{
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if(!empty(dao::$errors)) return new PDOStatement(); // If any error, return an empty statement object to make sure the remain method to execute.
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$sql = $this->processSQL($autoCompany);
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try
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{
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$this->reset();
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return $this->dbh->query($sql);
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}
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catch (PDOException $e)
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{
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$this->app->error($e->getMessage() . "<p>The sql is: $sql</p>", __FILE__, __LINE__, $exit = true);
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}
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}
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/**
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* Page the records, set the limit part auto.
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*
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* @param object $pager
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* @access public
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* @return object the dao object self.
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*/
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public function page($pager)
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{
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if(!is_object($pager)) return $this;
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/* If the record total is 0, compute it. */
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if($pager->recTotal == 0)
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{
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/* Get the SELECT, FROM position, thus get the fields, replace it by count(*). */
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$sql = $this->get();
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$selectPOS = strpos($sql, 'SELECT') + strlen('SELECT');
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$fromPOS = strpos($sql, 'FROM');
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$fields = substr($sql, $selectPOS, $fromPOS - $selectPOS );
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$sql = str_replace($fields, ' COUNT(*) AS recTotal ', $sql);
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/* Remove the part after order and limit. */
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$subLength = strlen($sql);
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$orderPOS = strripos($sql, 'order');
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$limitPOS = strripos($sql , 'limit');
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if($limitPOS) $subLength = $limitPOS;
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if($orderPOS) $subLength = $orderPOS;
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$sql = substr($sql, 0, $subLength);
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self::$querys[] = $sql;
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/* Get the records count. */
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try
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{
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$row = $this->dbh->query($sql)->fetch(PDO::FETCH_OBJ);
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}
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catch (PDOException $e)
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{
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$this->app->error($e->getMessage() . "<p>The sql is: $sql</p>", __FILE__, __LINE__, $exit = true);
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}
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$pager->setRecTotal($row->recTotal);
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$pager->setPageTotal();
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}
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$this->sqlobj->limit($pager->limit());
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return $this;
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}
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|
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/**
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/* Execute the sql. It's different with query(), which return the stmt object. But this not.
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*
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* @param bool $autoCompany
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* @access public
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* @return int the modified or deleted records.
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*/
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public function exec($autoCompany = true)
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{
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if(!empty(dao::$errors)) return new PDOStatement(); // If any error, return an empty statement object to make sure the remain method to execute.
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$sql = $this->processSQL($autoCompany);
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try
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{
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$this->reset();
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return $this->dbh->exec($sql);
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}
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catch (PDOException $e)
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{
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$this->app->error($e->getMessage() . "<p>The sql is: $sql</p>", __FILE__, __LINE__, $exit = true);
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}
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}
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|
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//-------------------- 数据获取相关的方法。--------------------//
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/**
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* Fetch one record.
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*
|
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* @param string $field if the field is set, only return the value of this field, else return this record
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* @param bool $autoCompany
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* @access public
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* @return object|mixed
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*/
|
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public function fetch($field = '', $autoCompany = true)
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{
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if(empty($field)) return $this->query($autoCompany)->fetch();
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$this->setFields($field);
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$result = $this->query($autoCompany)->fetch(PDO::FETCH_OBJ);
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if($result) return $result->$field;
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}
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|
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/**
|
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* Fetch all records.
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*
|
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* @param string $keyField the key field, thus the return records is keyed by this field
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|
* @param bool $autoCompany
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* @access public
|
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* @return array the records
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*/
|
|
public function fetchAll($keyField = '', $autoCompany = true)
|
|
{
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$stmt = $this->query($autoCompany);
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if(empty($keyField)) return $stmt->fetchAll();
|
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$rows = array();
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while($row = $stmt->fetch()) $rows[$row->$keyField] = $row;
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return $rows;
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}
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|
|
|
/**
|
|
* Fetch all records and group them by one field.
|
|
*
|
|
* @param string $groupField the field to group by
|
|
* @param string $keyField the field of key
|
|
* @param bool $autoCompany
|
|
* @access public
|
|
* @return array the records.
|
|
*/
|
|
public function fetchGroup($groupField, $keyField = '', $autoCompany = true)
|
|
{
|
|
$stmt = $this->query($autoCompany);
|
|
$rows = array();
|
|
while($row = $stmt->fetch())
|
|
{
|
|
empty($keyField) ? $rows[$row->$groupField][] = $row : $rows[$row->$groupField][$row->$keyField] = $row;
|
|
}
|
|
return $rows;
|
|
}
|
|
|
|
/**
|
|
* Fetch array like key=>value.
|
|
*
|
|
* If the keyFiled and valueField not set, use the first and last in the record.
|
|
*
|
|
* @param string $keyField
|
|
* @param string $valueField
|
|
* @param bool $autoCompany
|
|
* @access public
|
|
* @return array
|
|
*/
|
|
public function fetchPairs($keyField = '', $valueField = '', $autoCompany = true)
|
|
{
|
|
$pairs = array();
|
|
$ready = false;
|
|
$stmt = $this->query($autoCompany);
|
|
while($row = $stmt->fetch(PDO::FETCH_ASSOC))
|
|
{
|
|
if(!$ready)
|
|
{
|
|
if(empty($keyField)) $keyField = key($row);
|
|
if(empty($valueField))
|
|
{
|
|
end($row);
|
|
$valueField = key($row);
|
|
}
|
|
$ready = true;
|
|
}
|
|
|
|
$pairs[$row[$keyField]] = $row[$valueField];
|
|
}
|
|
return $pairs;
|
|
}
|
|
|
|
/**
|
|
* Return the last insert ID.
|
|
*
|
|
* @access public
|
|
* @return int
|
|
*/
|
|
public function lastInsertID()
|
|
{
|
|
return $this->dbh->lastInsertID();
|
|
}
|
|
|
|
//-------------------- Magic methods.--------------------//
|
|
|
|
/**
|
|
* Use it to do some convenient queries.
|
|
*
|
|
* @param string $funcName the function name to be called
|
|
* @param array $funcArgs the params
|
|
* @access public
|
|
* @return object the dao object self.
|
|
*/
|
|
public function __call($funcName, $funcArgs)
|
|
{
|
|
$funcName = strtolower($funcName);
|
|
|
|
/* findByxxx, xxx as will be in the where. */
|
|
if(strpos($funcName, 'findby') !== false)
|
|
{
|
|
$this->setMode('magic');
|
|
$field = str_replace('findby', '', $funcName);
|
|
if(count($funcArgs) == 1)
|
|
{
|
|
$operator = '=';
|
|
$value = $funcArgs[0];
|
|
}
|
|
else
|
|
{
|
|
$operator = $funcArgs[0];
|
|
$value = $funcArgs[1];
|
|
}
|
|
$this->sqlobj = sql::select('%s')->from('%s')->where($field, $operator, $value);
|
|
return $this;
|
|
}
|
|
/* Fetch10. */
|
|
elseif(strpos($funcName, 'fetch') !== false)
|
|
{
|
|
$max = str_replace('fetch', '', $funcName);
|
|
$stmt = $this->query();
|
|
|
|
$rows = array();
|
|
$key = isset($funcArgs[0]) ? $funcArgs[0] : '';
|
|
$i = 0;
|
|
while($row = $stmt->fetch())
|
|
{
|
|
$key ? $rows[$row->$key] = $row : $rows[] = $row;
|
|
$i ++;
|
|
if($i == $max) break;
|
|
}
|
|
return $rows;
|
|
}
|
|
/* Others, call the method in sql class. */
|
|
else
|
|
{
|
|
/* Create the max counts of sql class methods, and then create $arg0, $arg1... */
|
|
for($i = 0; $i < SQL::MAX_ARGS; $i ++)
|
|
{
|
|
${"arg$i"} = isset($funcArgs[$i]) ? $funcArgs[$i] : null;
|
|
}
|
|
$this->sqlobj->$funcName($arg0, $arg1, $arg2);
|
|
return $this;
|
|
}
|
|
}
|
|
|
|
//-------------------- Checking.--------------------//
|
|
|
|
/**
|
|
* Check a filed is satisfied with the check rule.
|
|
*
|
|
* @param string $fieldName the field to check
|
|
* @param string $funcName the check rule
|
|
* @access public
|
|
* @return object the dao object self.
|
|
*/
|
|
public function check($fieldName, $funcName)
|
|
{
|
|
/* If no this field in the data, reuturn. */
|
|
if(!isset($this->sqlobj->data->$fieldName)) return $this;
|
|
|
|
/* Set the field label and value. */
|
|
global $lang, $config, $app;
|
|
$table = strtolower(str_replace($config->db->prefix, '', $this->table));
|
|
$fieldLabel = isset($lang->$table->$fieldName) ? $lang->$table->$fieldName : $fieldName;
|
|
$value = $this->sqlobj->data->$fieldName;
|
|
|
|
/* Check unique. */
|
|
if($funcName == 'unique')
|
|
{
|
|
$args = func_get_args();
|
|
$sql = "SELECT COUNT(*) AS count FROM $this->table WHERE `$fieldName` = " . $this->sqlobj->quote($value);
|
|
if($this->table != TABLE_COMPANY) $sql .= " AND company = {$this->app->company->id} ";
|
|
if(isset($args[2])) $sql .= ' AND ' . $args[2];
|
|
try
|
|
{
|
|
$row = $this->dbh->query($sql)->fetch();
|
|
if($row->count != 0) $this->logError($funcName, $fieldName, $fieldLabel, array($value));
|
|
}
|
|
catch (PDOException $e)
|
|
{
|
|
$this->app->error($e->getMessage() . "<p>The sql is: $sql</p>", __FILE__, __LINE__, $exit = true);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
/* Create the params. */
|
|
$funcArgs = func_get_args();
|
|
unset($funcArgs[0]);
|
|
unset($funcArgs[1]);
|
|
|
|
for($i = 0; $i < VALIDATER::MAX_ARGS; $i ++)
|
|
{
|
|
${"arg$i"} = isset($funcArgs[$i + 2]) ? $funcArgs[$i + 2] : null;
|
|
}
|
|
$checkFunc = 'check' . $funcName;
|
|
if(validater::$checkFunc($value, $arg0, $arg1, $arg2) === false)
|
|
{
|
|
$this->logError($funcName, $fieldName, $fieldLabel, $funcArgs);
|
|
}
|
|
}
|
|
|
|
return $this;
|
|
}
|
|
|
|
/**
|
|
* Check a field, if satisfied with the condition.
|
|
*
|
|
* @param string $condition
|
|
* @param string $fieldName
|
|
* @param string $funcName
|
|
* @access public
|
|
* @return object the dao object self.
|
|
*/
|
|
public function checkIF($condition, $fieldName, $funcName)
|
|
{
|
|
if(!$condition) return $this;
|
|
$funcArgs = func_get_args();
|
|
for($i = 0; $i < VALIDATER::MAX_ARGS; $i ++)
|
|
{
|
|
${"arg$i"} = isset($funcArgs[$i + 3]) ? $funcArgs[$i + 3] : null;
|
|
}
|
|
$this->check($fieldName, $funcName, $arg0, $arg1, $arg2);
|
|
return $this;
|
|
}
|
|
|
|
/**
|
|
* Batch check some fileds.
|
|
*
|
|
* @param string $fields the fields to check, join with ,
|
|
* @param string $funcName
|
|
* @access public
|
|
* @return object the dao object self.
|
|
*/
|
|
public function batchCheck($fields, $funcName)
|
|
{
|
|
$fields = explode(',', str_replace(' ', '', $fields));
|
|
$funcArgs = func_get_args();
|
|
for($i = 0; $i < VALIDATER::MAX_ARGS; $i ++)
|
|
{
|
|
${"arg$i"} = isset($funcArgs[$i + 2]) ? $funcArgs[$i + 2] : null;
|
|
}
|
|
foreach($fields as $fieldName) $this->check($fieldName, $funcName, $arg0, $arg1, $arg2);
|
|
return $this;
|
|
}
|
|
|
|
/**
|
|
* Batch check fields on the condition is true.
|
|
*
|
|
* @param string $condition
|
|
* @param string $fields
|
|
* @param string $funcName
|
|
* @access public
|
|
* @return object the dao object self.
|
|
*/
|
|
public function batchCheckIF($condition, $fields, $funcName)
|
|
{
|
|
if(!$condition) return $this;
|
|
$fields = explode(',', str_replace(' ', '', $fields));
|
|
$funcArgs = func_get_args();
|
|
for($i = 0; $i < VALIDATER::MAX_ARGS; $i ++)
|
|
{
|
|
${"arg$i"} = isset($funcArgs[$i + 2]) ? $funcArgs[$i + 2] : null;
|
|
}
|
|
foreach($fields as $fieldName) $this->check($fieldName, $funcName, $arg0, $arg1, $arg2);
|
|
return $this;
|
|
}
|
|
|
|
/**
|
|
* Check the fields according the the database schema.
|
|
*
|
|
* @param string $skipFields fields to skip checking
|
|
* @access public
|
|
* @return object the dao object self.
|
|
*/
|
|
public function autoCheck($skipFields = '')
|
|
{
|
|
$fields = $this->getFieldsType();
|
|
$skipFields = ",$skipFields,";
|
|
|
|
foreach($fields as $fieldName => $validater)
|
|
{
|
|
if(strpos($skipFields, $fieldName) !== false) continue; // skip it.
|
|
if(!isset($this->sqlobj->data->$fieldName)) continue;
|
|
if($validater['rule'] == 'skip') continue;
|
|
$options = array();
|
|
if(isset($validater['options'])) $options = array_values($validater['options']);
|
|
for($i = 0; $i < VALIDATER::MAX_ARGS; $i ++)
|
|
{
|
|
${"arg$i"} = isset($options[$i]) ? $options[$i] : null;
|
|
}
|
|
$this->check($fieldName, $validater['rule'], $arg0, $arg1, $arg2);
|
|
}
|
|
return $this;
|
|
}
|
|
|
|
/**
|
|
* Log the error.
|
|
*
|
|
* For the error notice, see module/common/lang.
|
|
*
|
|
* @param string $checkType the check rule
|
|
* @param string $fieldName the field name
|
|
* @param string $fieldLabel the field label
|
|
* @param array $funcArgs the args
|
|
* @access public
|
|
* @return void
|
|
*/
|
|
public function logError($checkType, $fieldName, $fieldLabel, $funcArgs = array())
|
|
{
|
|
global $lang;
|
|
$error = $lang->error->$checkType;
|
|
$replaces = array_merge(array($fieldLabel), $funcArgs); // the replace values.
|
|
|
|
/* Just a string, cycle the $replaces. */
|
|
if(!is_array($error))
|
|
{
|
|
foreach($replaces as $replace)
|
|
{
|
|
$pos = strpos($error, '%s');
|
|
if($pos === false) break;
|
|
$error = substr($error, 0, $pos) . $replace . substr($error, $pos + 2);
|
|
}
|
|
}
|
|
/* If the error define is an array, select the one which %s counts match the $replaces. */
|
|
else
|
|
{
|
|
/* Remove the empty items. */
|
|
foreach($replaces as $key => $value) if(is_null($value)) unset($replaces[$key]);
|
|
$replacesCount = count($replaces);
|
|
foreach($error as $errorString)
|
|
{
|
|
if(substr_count($errorString, '%s') == $replacesCount)
|
|
{
|
|
$error = vsprintf($errorString, $replaces);
|
|
}
|
|
}
|
|
}
|
|
dao::$errors[$fieldName][] = $error;
|
|
}
|
|
|
|
/**
|
|
* Judge any error or not.
|
|
*
|
|
* @access public
|
|
* @return bool
|
|
*/
|
|
public function isError()
|
|
{
|
|
return !empty(dao::$errors);
|
|
}
|
|
|
|
/**
|
|
* Get the errors.
|
|
*
|
|
* @access public
|
|
* @return array
|
|
*/
|
|
public function getError()
|
|
{
|
|
$errors = dao::$errors;
|
|
dao::$errors = array(); // Must clear it.
|
|
return $errors;
|
|
}
|
|
|
|
/**
|
|
* Get the defination of fields of the table.
|
|
*
|
|
* @access private
|
|
* @return array
|
|
*/
|
|
private function getFieldsType()
|
|
{
|
|
try
|
|
{
|
|
$this->dbh->setAttribute(PDO::ATTR_CASE, PDO::CASE_LOWER);
|
|
$sql = "DESC $this->table";
|
|
$rawFields = $this->dbh->query($sql)->fetchAll();
|
|
$this->dbh->setAttribute(PDO::ATTR_CASE, PDO::CASE_NATURAL);
|
|
}
|
|
catch (PDOException $e)
|
|
{
|
|
$this->app->error($e->getMessage() . "<p>The sql is: $sql</p>", __FILE__, __LINE__, $exit = true);
|
|
}
|
|
|
|
foreach($rawFields as $rawField)
|
|
{
|
|
$firstPOS = strpos($rawField->type, '(');
|
|
$type = substr($rawField->type, 0, $firstPOS > 0 ? $firstPOS : strlen($rawField->type));
|
|
$type = str_replace(array('big', 'small', 'medium', 'tiny', 'var'), '', $type);
|
|
$field = array();
|
|
|
|
if($type == 'enum' or $type == 'set')
|
|
{
|
|
$rangeBegin = $firstPOS + 2; // 将第一个引号去掉。
|
|
$rangeEnd = strrpos($rawField->type, ')') - 1; // 将最后一个引号去掉。
|
|
$range = substr($rawField->type, $rangeBegin, $rangeEnd - $rangeBegin);
|
|
$field['rule'] = 'reg';
|
|
$field['options']['reg'] = '/' . str_replace("','", '|', $range) . '/';
|
|
}
|
|
elseif($type == 'char')
|
|
{
|
|
$begin = $firstPOS + 1;
|
|
$end = strpos($rawField->type, ')', $begin);
|
|
$length = substr($rawField->type, $begin, $end - $begin);
|
|
$field['rule'] = 'length';
|
|
$field['options']['max'] = $length;
|
|
$field['options']['min'] = 0;
|
|
}
|
|
elseif($type == 'int')
|
|
{
|
|
$field['rule'] = 'int';
|
|
}
|
|
elseif($type == 'float' or $type == 'double')
|
|
{
|
|
$field['rule'] = 'float';
|
|
}
|
|
elseif($type == 'date')
|
|
{
|
|
$field['rule'] = 'date';
|
|
}
|
|
else
|
|
{
|
|
$field['rule'] = 'skip';
|
|
}
|
|
$fields[$rawField->field] = $field;
|
|
}
|
|
return $fields;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* The SQL class.
|
|
*
|
|
* @package framework
|
|
*/
|
|
class sql
|
|
{
|
|
/**
|
|
* The max count of params of all methods.
|
|
*
|
|
*/
|
|
const MAX_ARGS = 3;
|
|
|
|
/**
|
|
* The sql string.
|
|
*
|
|
* @var string
|
|
* @access private
|
|
*/
|
|
private $sql = '';
|
|
|
|
/**
|
|
* The global $dbh.
|
|
*
|
|
* @var object
|
|
* @access protected
|
|
*/
|
|
protected $dbh;
|
|
|
|
/**
|
|
* The data to update or insert.
|
|
*
|
|
* @var mix
|
|
* @access protected
|
|
*/
|
|
public $data;
|
|
|
|
/**
|
|
* Is the first time to call set.
|
|
*
|
|
* @var bool
|
|
* @access private;
|
|
*/
|
|
private $isFirstSet = true;
|
|
|
|
/**
|
|
* If in the logic of judge condition or not.
|
|
*
|
|
* @var bool
|
|
* @access private;
|
|
*/
|
|
private $inCondition = false;
|
|
|
|
/**
|
|
* The condition is true or not.
|
|
*
|
|
* @var bool
|
|
* @access private;
|
|
*/
|
|
private $conditionIsTrue = false;
|
|
|
|
/**
|
|
* Magic quote or not.
|
|
*
|
|
* @var bool
|
|
* @access public
|
|
*/
|
|
public $magicQuote;
|
|
|
|
/**
|
|
* The construct function. user factory() to instance it.
|
|
*
|
|
* @param string $table
|
|
* @access private
|
|
* @return void
|
|
*/
|
|
private function __construct($table = '')
|
|
{
|
|
global $dbh;
|
|
$this->dbh = $dbh;
|
|
$this->magicQuote = get_magic_quotes_gpc();
|
|
}
|
|
|
|
/**
|
|
* The factory method.
|
|
*
|
|
* @param string $table
|
|
* @access public
|
|
* @return object the sql object.
|
|
*/
|
|
public function factory($table = '')
|
|
{
|
|
return new sql($table);
|
|
}
|
|
|
|
/**
|
|
* The sql is select.
|
|
*
|
|
* @param string $field
|
|
* @access public
|
|
* @return object the sql object.
|
|
*/
|
|
public function select($field = '*')
|
|
{
|
|
$sqlobj = self::factory();
|
|
$sqlobj->sql = "SELECT $field ";
|
|
return $sqlobj;
|
|
}
|
|
|
|
/**
|
|
* The sql is update.
|
|
*
|
|
* @param string $table
|
|
* @access public
|
|
* @return object the sql object.
|
|
*/
|
|
public function update($table)
|
|
{
|
|
$sqlobj = self::factory();
|
|
$sqlobj->sql = "UPDATE $table SET ";
|
|
return $sqlobj;
|
|
}
|
|
|
|
/**
|
|
* The sql is insert.
|
|
*
|
|
* @param string $table
|
|
* @access public
|
|
* @return object the sql object.
|
|
*/
|
|
public function insert($table)
|
|
{
|
|
$sqlobj = self::factory();
|
|
$sqlobj->sql = "INSERT INTO $table SET ";
|
|
return $sqlobj;
|
|
}
|
|
|
|
/**
|
|
* The sql is replace.
|
|
*
|
|
* @param string $table
|
|
* @access public
|
|
* @return object the sql object.
|
|
*/
|
|
public function replace($table)
|
|
{
|
|
$sqlobj = self::factory();
|
|
$sqlobj->sql = "REPLACE $table SET ";
|
|
return $sqlobj;
|
|
}
|
|
|
|
/**
|
|
* The sql is delete.
|
|
*
|
|
* @access public
|
|
* @return object the sql object.
|
|
*/
|
|
public function delete()
|
|
{
|
|
$sqlobj = self::factory();
|
|
$sqlobj->sql = "DELETE ";
|
|
return $sqlobj;
|
|
}
|
|
|
|
/**
|
|
* Join the data items by key = value.
|
|
*
|
|
* @param object $data
|
|
* @access public
|
|
* @return object the sql object.
|
|
*/
|
|
public function data($data)
|
|
{
|
|
$this->data = $data;
|
|
foreach($data as $field => $value) $this->sql .= "`$field` = " . $this->quote($value) . ',';
|
|
$this->sql = rtrim($this->sql, ','); // Remove the last ','.
|
|
return $this;
|
|
}
|
|
|
|
/**
|
|
* Aadd an '(' at left.
|
|
*
|
|
* @param int $count
|
|
* @access public
|
|
* @return ojbect the sql object.
|
|
*/
|
|
public function markLeft($count = 1)
|
|
{
|
|
$this->sql .= str_repeat('(', $count);
|
|
return $this;
|
|
}
|
|
|
|
/**
|
|
* Add an ')' ad right.
|
|
*
|
|
* @param int $count
|
|
* @access public
|
|
* @return object the sql object.
|
|
*/
|
|
public function markRight($count = 1)
|
|
{
|
|
$this->sql .= str_repeat(')', $count);
|
|
return $this;
|
|
}
|
|
|
|
/**
|
|
* The set part.
|
|
*
|
|
* @param string $set
|
|
* @access public
|
|
* @return object the sql object.
|
|
*/
|
|
public function set($set)
|
|
{
|
|
if($this->isFirstSet)
|
|
{
|
|
$this->sql .= " $set ";
|
|
$this->isFirstSet = false;
|
|
}
|
|
else
|
|
{
|
|
$this->sql .= ", $set";
|
|
}
|
|
return $this;
|
|
}
|
|
|
|
/**
|
|
* Create the from part.
|
|
*
|
|
* @param string $table
|
|
* @access public
|
|
* @return object the sql object.
|
|
*/
|
|
public function from($table)
|
|
{
|
|
$this->sql .= "FROM $table";
|
|
return $this;
|
|
}
|
|
|
|
/**
|
|
* Create the Alias part.
|
|
*
|
|
* @param string $alias
|
|
* @access public
|
|
* @return object the sql object.
|
|
*/
|
|
public function alias($alias)
|
|
{
|
|
$this->sql .= " AS $alias ";
|
|
return $this;
|
|
}
|
|
|
|
/**
|
|
* Create the left join part.
|
|
*
|
|
* @param string $table
|
|
* @access public
|
|
* @return object the sql object.
|
|
*/
|
|
public function leftJoin($table)
|
|
{
|
|
$this->sql .= " LEFT JOIN $table";
|
|
return $this;
|
|
}
|
|
|
|
/**
|
|
* Create the on part.
|
|
*
|
|
* @param string $condition
|
|
* @access public
|
|
* @return object the sql object.
|
|
*/
|
|
public function on($condition)
|
|
{
|
|
$this->sql .= " ON $condition ";
|
|
return $this;
|
|
}
|
|
|
|
/**
|
|
* Begin condition judge.
|
|
*
|
|
* @param bool $condition
|
|
* @access public
|
|
* @return object the sql object.
|
|
*/
|
|
public function beginIF($condition)
|
|
{
|
|
$this->inCondition = true;
|
|
$this->conditionIsTrue = $condition;
|
|
return $this;
|
|
}
|
|
|
|
/**
|
|
* End the condition judge.
|
|
*
|
|
* @access public
|
|
* @return object the sql object.
|
|
*/
|
|
public function fi()
|
|
{
|
|
$this->inCondition = false;
|
|
$this->conditionIsTrue = false;
|
|
return $this;
|
|
}
|
|
|
|
/**
|
|
* Create the where part.
|
|
*
|
|
* @param string $arg1 the field name
|
|
* @param string $arg2 the operator
|
|
* @param string $arg3 the value
|
|
* @access public
|
|
* @return object the sql object.
|
|
*/
|
|
public function where($arg1, $arg2 = null, $arg3 = null)
|
|
{
|
|
if($this->inCondition and !$this->conditionIsTrue) return $this;
|
|
if($arg3 !== null)
|
|
{
|
|
$value = $this->quote($arg3);
|
|
$condition = "`$arg1` $arg2 " . $this->quote($arg3);
|
|
}
|
|
else
|
|
{
|
|
$condition = $arg1;
|
|
}
|
|
|
|
$this->sql .= ' ' . DAO::WHERE ." $condition ";
|
|
return $this;
|
|
}
|
|
|
|
/**
|
|
* Create the AND part.
|
|
*
|
|
* @param string $condition
|
|
* @access public
|
|
* @return object the sql object.
|
|
*/
|
|
public function andWhere($condition)
|
|
{
|
|
if($this->inCondition and !$this->conditionIsTrue) return $this;
|
|
$this->sql .= " AND $condition ";
|
|
return $this;
|
|
}
|
|
|
|
/**
|
|
* Create the OR part.
|
|
*
|
|
* @param bool $condition
|
|
* @access public
|
|
* @return object the sql object.
|
|
*/
|
|
public function orWhere($condition)
|
|
{
|
|
if($this->inCondition and !$this->conditionIsTrue) return $this;
|
|
$this->sql .= " OR $condition ";
|
|
return $this;
|
|
}
|
|
|
|
/**
|
|
* Create the '='.
|
|
*
|
|
* @param string $value
|
|
* @access public
|
|
* @return object the sql object.
|
|
*/
|
|
public function eq($value)
|
|
{
|
|
if($this->inCondition and !$this->conditionIsTrue) return $this;
|
|
$this->sql .= " = " . $this->quote($value);
|
|
return $this;
|
|
}
|
|
|
|
/**
|
|
* Create '!='.
|
|
*
|
|
* @param string $value
|
|
* @access public
|
|
* @return void the sql object.
|
|
*/
|
|
public function ne($value)
|
|
{
|
|
if($this->inCondition and !$this->conditionIsTrue) return $this;
|
|
$this->sql .= " != " . $this->quote($value);
|
|
return $this;
|
|
}
|
|
|
|
/**
|
|
* Create '>'.
|
|
*
|
|
* @param string $value
|
|
* @access public
|
|
* @return object the sql object.
|
|
*/
|
|
public function gt($value)
|
|
{
|
|
if($this->inCondition and !$this->conditionIsTrue) return $this;
|
|
$this->sql .= " > " . $this->quote($value);
|
|
return $this;
|
|
}
|
|
|
|
/**
|
|
* Create '<'.
|
|
*
|
|
* @param mixed $value
|
|
* @access public
|
|
* @return object the sql object.
|
|
*/
|
|
public function lt($value)
|
|
{
|
|
if($this->inCondition and !$this->conditionIsTrue) return $this;
|
|
$this->sql .= " < " . $this->quote($value);
|
|
return $this;
|
|
}
|
|
|
|
/**
|
|
* Create "between and"
|
|
*
|
|
* @param string $min
|
|
* @param string $max
|
|
* @access public
|
|
* @return object the sql object.
|
|
*/
|
|
public function between($min, $max)
|
|
{
|
|
if($this->inCondition and !$this->conditionIsTrue) return $this;
|
|
$min = $this->quote($min);
|
|
$max = $this->quote($max);
|
|
$this->sql .= " BETWEEN $min AND $max ";
|
|
return $this;
|
|
}
|
|
|
|
/**
|
|
* Create in part.
|
|
*
|
|
* @param string|array $ids list string by ',' or an array
|
|
* @access public
|
|
* @return object the sql object.
|
|
*/
|
|
public function in($ids)
|
|
{
|
|
if($this->inCondition and !$this->conditionIsTrue) return $this;
|
|
$this->sql .= helper::dbIN($ids);
|
|
return $this;
|
|
}
|
|
|
|
/**
|
|
* Create not in part.
|
|
*
|
|
* @param string|array $ids list string by ',' or an array
|
|
* @access public
|
|
* @return object the sql object.
|
|
*/
|
|
public function notin($ids)
|
|
{
|
|
if($this->inCondition and !$this->conditionIsTrue) return $this;
|
|
$this->sql .= ' NOT ' . helper::dbIN($ids);
|
|
return $this;
|
|
}
|
|
|
|
/**
|
|
* Create the like by part.
|
|
*
|
|
* @param string $string
|
|
* @access public
|
|
* @return object the sql object.
|
|
*/
|
|
public function like($string)
|
|
{
|
|
if($this->inCondition and !$this->conditionIsTrue) return $this;
|
|
$this->sql .= " LIKE " . $this->quote($string);
|
|
return $this;
|
|
}
|
|
|
|
/**
|
|
* Create the order by part.
|
|
*
|
|
* @param string $order
|
|
* @access public
|
|
* @return object the sql object.
|
|
*/
|
|
public function orderBy($order)
|
|
{
|
|
$order = str_replace(array('|', '', '_'), ' ', $order);
|
|
$order = str_replace('left', '`left`', $order); // process the left to `left`.
|
|
$this->sql .= ' ' . DAO::ORDERBY . " $order";
|
|
return $this;
|
|
}
|
|
|
|
/**
|
|
* Create the limit part.
|
|
*
|
|
* @param string $limit
|
|
* @access public
|
|
* @return object the sql object.
|
|
*/
|
|
public function limit($limit)
|
|
{
|
|
if(empty($limit)) return $this;
|
|
stripos($limit, 'limit') !== false ? $this->sql .= " $limit " : $this->sql .= ' ' . DAO::LIMIT . " $limit ";
|
|
return $this;
|
|
}
|
|
|
|
/**
|
|
* Create the groupby part.
|
|
*
|
|
* @param string $groupBy
|
|
* @access public
|
|
* @return object the sql object.
|
|
*/
|
|
public function groupBy($groupBy)
|
|
{
|
|
$this->sql .= ' ' . DAO::GROUPBY . " $groupBy";
|
|
return $this;
|
|
}
|
|
|
|
/**
|
|
* Create the having part.
|
|
*
|
|
* @param string $having
|
|
* @access public
|
|
* @return object the sql object.
|
|
*/
|
|
public function having($having)
|
|
{
|
|
$this->sql .= ' ' . DAO::HAVING . " $having";
|
|
return $this;
|
|
}
|
|
|
|
/**
|
|
* Get the sql string.
|
|
*
|
|
* @access public
|
|
* @return string
|
|
*/
|
|
public function get()
|
|
{
|
|
return $this->sql;
|
|
}
|
|
|
|
/**
|
|
* Uuote a var.
|
|
*
|
|
* @param mixed $value
|
|
* @access public
|
|
* @return mixed
|
|
*/
|
|
public function quote($value)
|
|
{
|
|
if($this->magicQuote) $value = stripslashes($value);
|
|
return $this->dbh->quote($value);
|
|
}
|
|
}
|