JSON从文件反序列化

AOI/util/JsonUtil.cs

@@ -80,12 +80,21 @@ namespace AOI
                 //LogUtil.error("加载：文件[" + filePath + "]不存在");
                 return null;
             }
-            string jsonTxt = File.ReadAllText(filePath);
-            JsonSerializer serializer = new JsonSerializer();
-            StringReader sr = new StringReader(jsonTxt);
-            object o = serializer.Deserialize(new JsonTextReader(sr), typeof(T));
-            T t = o as T;
-            return t;
+            using (StreamReader r = new StreamReader(filePath))
+            {
+                using (JsonReader reader = new JsonTextReader(r))
+                {
+                    JsonSerializer serializer = new JsonSerializer();
+                    T t = serializer.Deserialize<T>(reader);
+                    return t;
+                }
+            }
+            //string jsonTxt = File.ReadAllText(filePath);
+            //JsonSerializer serializer = new JsonSerializer();
+            //StringReader sr = new StringReader(jsonTxt);
+            //object o = serializer.Deserialize(new JsonTextReader(sr), typeof(T));
+            //T t = o as T;
+            //return t;
         }
 
         /// <summary>

AccAOI/FrmAoiSetting.cs

@@ -63,9 +63,10 @@ namespace AccAOI
                 return;
             }
             string fileName = openDialog.FileName;
-
             //读取图片内容
-            Img = (Image)Image.FromFile(fileName).Clone();
+            Image file = Image.FromFile(fileName);
+            Img = new Bitmap(file);
+            file.Dispose();
             imageBox1.Image = Img;
         }