添加项目文件。

Assets/HGF/Scripts/GameAPI.cs

@@ -0,0 +1,156 @@
+using System;
+using System.IO;
+using System.Security.Cryptography;
+using System.Text;
+using UnityEngine;
+using UnityEngine.Networking;
+
+namespace Common.Game
+{
+    /// <summary>
+    /// 游戏内通用API
+    /// </summary>
+    public static class GameAPI
+    {
+        /// <summary>
+        /// 返回可读可写路径
+        /// PC端：streamingAssetsPath
+        /// 移动端：Application.persistentDataPath
+        /// </summary>
+        /// <returns></returns>
+        public static string GetWritePath ()
+        {
+#if UNITY_EDITOR || UNITY_STANDALONE
+            return Application.streamingAssetsPath;
+#elif UNITY_IOS || UNITY_ANDROID
+            return  Application.persistentDataPath;
+#endif
+        }
+        /// <summary>
+        /// 接管Debug.Log(...)
+        /// </summary>
+        /// <param name="_Message">调试信息</param>
+        /// <param name="_Type">1.debug 2.warn 3.error</param>
+        public static void Print (object _Message, string _Type = "debug")
+        {
+            string currentTime = DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss");
+            string res = $"[{currentTime}] {_Type} : {_Message}";
+            switch (_Type)
+            {
+                case "debug":
+                    Debug.Log(res);
+                    return;
+                case "warn":
+                    Debug.LogWarning(res);
+                    return;
+                case "error":
+                    Debug.LogError(res);
+                    return;
+                default:
+                    Debug.Log(res);
+                    break;
+            }
+        }
+        /// <summary>
+        /// 暴力查找一个物体，找不到返回Null
+        /// </summary>
+        /// <param name="_Name"></param>
+        /// <returns></returns>
+        public static GameObject FindGameObject_Force (string _Name)
+        {
+
+            GameObject[] all = Resources.FindObjectsOfTypeAll(typeof(GameObject)) as GameObject[];
+            for (int i = 0; i < all.Length; i++)
+            {
+                var item = all[i];
+                if (item.name == _Name) return item;
+            }
+            return null;
+
+        }
+        /// <summary>
+        /// 生成SHA256值
+        /// </summary>
+        /// <param name="input"></param>
+        /// <returns></returns>
+        public static string GenerateSha256 (string input)
+        {
+            using (SHA256 sha256Hash = SHA256.Create())
+            {
+                byte[] bytes = sha256Hash.ComputeHash(Encoding.UTF8.GetBytes(input));
+
+                StringBuilder builder = new StringBuilder();
+                for (int i = 0; i < bytes.Length; i++)
+                {
+                    builder.Append(bytes[i].ToString("x2"));
+                }
+
+                return builder.ToString().ToUpper();
+            }
+        }
+        /// <summary>
+        /// 通过UnityWebRequest获取本地StreamingAssets文件夹中的文件
+        /// </summary>
+        /// <param name="fileName">文件名称</param>
+        /// <returns></returns>
+        public static string UnityWebRequestFile (string fileName)
+        {
+            string url;
+            #region 分平台判断 StreamingAssets 路径
+            //如果在编译器或者单机中
+#if UNITY_EDITOR || UNITY_STANDALONE
+
+            url = "file://" + Application.dataPath + "/StreamingAssets/" + fileName;
+            //否则如果在Iphone下
+#elif UNITY_IPHONE
+        url = "file://" + Application.dataPath + "/Raw/"+ fileName;
+            //否则如果在android下
+#elif UNITY_ANDROID
+        url = "jar:file://" + Application.dataPath + "!/assets/"+ fileName;
+#endif
+            #endregion
+            UnityWebRequest request = UnityWebRequest.Get(url);
+            request.SendWebRequest();//读取数据
+            while (true)
+            {
+                if (request.downloadHandler.isDone)//是否读取完数据
+                {
+                    return request.downloadHandler.text;
+                }
+            }
+        }
+        /// <summary>
+        /// 从外部指定文件中加载图片
+        /// </summary>
+        /// <returns></returns>
+        public static Sprite LoadTextureByIO (string Path)
+        {
+            FileStream fs = new FileStream(Path, FileMode.Open, FileAccess.Read);
+            fs.Seek(0, SeekOrigin.Begin);//游标的操作，可有可无
+            byte[] bytes = new byte[fs.Length];//生命字节，用来存储读取到的图片字节
+            try
+            {
+                fs.Read(bytes, 0, bytes.Length);//开始读取，这里最好用trycatch语句，防止读取失败报错
+
+            }
+            catch (Exception e)
+            {
+                Debug.Log(e);
+            }
+            fs.Close();//切记关闭
+
+            int width = 2048;//图片的宽（这里两个参数可以提到方法参数中）
+            int height = 2048;//图片的高（这里说个题外话，pico相关的开发，这里不能大于4k×4k不然会显示异常，当时开发pico的时候应为这个问题找了大半天原因，因为美术给的图是6000*3600，导致出现切几张图后就黑屏了。。。
+            Texture2D texture = new Texture2D(width, height);
+            if (texture.LoadImage(bytes))
+            {
+                return Sprite.Create(texture, new Rect(0, 0, texture.width, texture.height), new Vector2(0.5f, 0.5f));//将生成的texture2d返回，到这里就得到了外部的图片，可以使用了
+            }
+            else
+            {
+                return null;
+            }
+        }
+
+    }
+}