[sync story #73341] Sync code to this branch from feature/deliverable.

lib/zin/wg/gantt/js/v1.js

@@ -270,7 +270,6 @@ function validateResources(id)
     let status = task.status;
     let type   = task.type;
     let statusLang = ganttLang.taskStatusList['wait'];
-    flag = true;
 
     /* Check status. */
     if(status !== statusLang && type != 'point')
@@ -292,32 +291,26 @@ function validateResources(id)
     if(type == 'point') itemID = task.id.split("-")[2];
 
     /* Check data. */
-    let postData = {
-        'id'        : itemID,
-        'startDate' : from.toLocaleDateString('en-CA'),
-        'endDate'   : to.toLocaleDateString('en-CA'),
-        'type'      : type
-    };
-    /* Sync Close. */
-    $.ajax({
-        url: $.createLink('programplan', 'ajaxResponseGanttDragEvent'),
-        dataType: "json",
-        data: postData,
-        type: "post",
-        success: function(response)
-        {
-            if(response.result == 'fail' && response.message)
-            {
-                zui.Messager.show({content: response.message, type: 'danger-outline', icon: 'exclamation-sign'});
-                flag = false;
-            }
-            else
-            {
-                gantt.updateTask(task.id, task);
-                if(task.parent) changeParentTask(task, task.parent);
-            }
-        }
-    });
+    const postData = 'id=' + itemID + '&startDate=' + from.toLocaleDateString('en-CA') + '&endDate=' + to.toLocaleDateString('en-CA') + '&type=' +type;
+
+    const xhr = new XMLHttpRequest();
+    xhr.open('POST', $.createLink('programplan', 'ajaxResponseGanttDragEvent'), false); // 同步模式
+    xhr.setRequestHeader('X-Requested-With', 'XMLHttpRequest');
+    xhr.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
+    xhr.send(postData);
+
+    let   flag     = true;
+    const response = JSON.parse(xhr.responseText);
+    if(response.result == 'fail' && response.message)
+    {
+        zui.Messager.show({content: response.message, type: 'danger-outline', icon: 'exclamation-sign'});
+        flag = false;
+    }
+    else
+    {
+        gantt.updateTask(task.id, task);
+        if(task.parent) changeParentTask(task, task.parent);
+    }
 
     return flag;
 }