
解决方案资源管理器—解决方案“Common”—右键—添加—新建项—文件夹
命名为:
Tools
解决方案资源管理器—解决方案“Common”—Common—右键—添加—新建项—类库
命名为:
DictTool.cs
using System;using System.Collections.Generic;using System.Text;namespace Common.Tools{public class DictTool{public static T2 GetValue<T1, T2>(Dictionary<T1,T2> dict, T1 key){T2 value;bool isSuccess = dict.TryGetValue(key, out value);if (isSuccess){return value;}else{return default(T2);}}}}