[
  {
    "Id": 58085121794053,
    "Title": "关于implicit 隐式转换的使用",
    "Summary": "implicit 关键字用于声明隐式的用户自定义的类型转换运算符。 如果可以确保转换过程不会造成数据丢失，则可使用该关键字在用户定义类型和其他类型之间进行隐式转换",
    "Cover": "https://oss.okay123.top/oss//2023/07/13/3zM2Yx1A7o.jpg",
    "IsTop": "1",
    "Views": 241,
    "Author": "可乐不加冰",
    "Link": "",
    "CreationType": 0,
    "Content": "   使用隐式转换操作符之后，在编译时会跳过异常检查，所以隐式转换运算符应当从不引发异常并且从不丢失信息，否则在运行时会出现一些意想不到的问题。\n在使用API返回结果时我们约定返回统一结果。\n## 封装示例\n```C#\n /// <summary>\n    /// API统一返回结果\n    /// </summary>\n    public class AjaxResult\n    {\n        /// <summary>\n        /// 是否成功\n        /// </summary>\n        public bool Success { get; set; }\n\n        /// <summary>\n        /// 消息\n        /// </summary>\n        public string Message { get; set; }\n\n        /// <summary>\n        /// 状态码\n        /// </summary>\n        public ReturnCode Code { get; set; }\n\n        /// <summary>\n        /// 返回错误消息\n        /// </summary>\n        /// <param name=\"msg\"></param>\n        public static implicit operator AjaxResult(string msg)\n        {\n            return new AjaxResult { Message = msg };\n        }\n\n        /// <summary>\n        /// 直接返回是否成功\n        /// </summary>\n        /// <param name=\"success\"></param>\n        public static implicit operator AjaxResult(bool success)\n        {\n            return new AjaxResult() { Success = success, Message = success ? \"操作成功\" : \"操作失败\" };\n        }\n\n        /// <summary>\n        /// 返回错误消息\n        /// </summary>\n        /// <param name=\"exception\">异常</param>\n        public static implicit operator AjaxResult(Exception exception)\n        {\n            return new AjaxResult() { Message = exception?.Message ?? \"操作失败\" };\n        }\n\n        /// <summary>\n        /// 根据枚举返回信息\n        /// </summary>\n        /// <param name=\"code\">状态码</param>\n        public static implicit operator AjaxResult(ReturnCode code)\n        {\n            return new AjaxResult() { Code = code, Message = code.ToString(), Success = code == ReturnCode.OK };\n        }\n    }\n\n    /// <summary>\n    /// API统一返回结果\n    /// </summary>\n    /// <typeparam name=\"T\"></typeparam>\n    public class AjaxResult<T> : AjaxResult\n    {\n        /// <summary>\n        /// 数据\n        /// </summary>\n        public T Data { get; set; }\n\n        /// <summary>\n        /// 直接返回数据对象\n        /// </summary>\n        /// <param name=\"data\"></param>\n        public static implicit operator AjaxResult<T>(T data)\n        {\n            return new AjaxResult<T> { Data = data, Success = true, Code=ReturnCode.OK,Message = ReturnCode.OK.ToString() };\n        }\n\n        /// <summary>\n        /// 返回错误消息\n        /// </summary>\n        /// <param name=\"exception\"></param>\n        public static implicit operator AjaxResult<T>(Exception exception)\n        {\n            return new AjaxResult<T>() { Message = exception?.Message ?? \"操作失败\" };\n        }\n\n        /// <summary>\n        /// 获取结果\n        /// </summary>\n        /// <param name=\"val\"></param>\n        public static implicit operator T(AjaxResult<T> data)\n        {\n            return data.Data;\n        }\n\n        ///// <summary>\n        ///// 错误消息（与AjaxResult<string>有冲突,如果返回string类型数据请使用AjaxResult<dynamic>）\n        ///// </summary>\n        /// <param name=\"msg\">错误消息</param>\n        public static implicit operator AjaxResult<T>(string msg)\n        {\n            return new AjaxResult<T>() { Message = msg };\n        }\n\n        /// <summary>\n        /// 根据枚举返回信息\n        /// </summary>\n        /// <param name=\"code\">状态码</param>\n        public static implicit operator AjaxResult<T>(ReturnCode code)\n        {\n            return new AjaxResult<T>() { Code = code, Message = code.ToString(), Success = code == ReturnCode.OK };\n        }\n    }\n\n    /// <summary>\n    /// 状态码\n    /// </summary>\n    public enum ReturnCode\n    {\n        [Description(\"操作成功\")]\n        OK,\n\n        [Description(\"数据已禁用\")]\n        Disable,\n\n        [Description(\"信息不存在\")]\n        NotExist,\n\n        [Description(\"用户未登录\")]\n        UnAuthorized,\n\n        [Description(\"数据验证失败\")]\n        VerificationFailed,\n\n        [Description(\"操作失败\")]\n        Failed = 500\n    }  \n```\n## 调用示例\n``` C#\nclass Program\n{\n          static void Main(string[] args)\n          {\n              var result1 = GetError();\n              string result2 = GetInfo();\n          }\n\n\n          public static AjaxResult<string> GetError()\n          {\n            var ex = new Exception(\"测试一下\");\n            return ex;\n          }\n\n         public static AjaxResult<string> GetInfo()\n         {\n            return \"\";\n         }\n}\n```",
    "IsHtml": "0",
    "PublishTime": "2023-06-01",
    "Status": 0,
    "Sort": 100,
    "IsAllowComments": "1",
    "ExpiredTime": "2025-06-01",
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    "UpdatedTime": "2023-06-01",
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    "CreatedTime": "2023-06-01"
  },
  {
    "Id": 61986292031493,
    "Title": "对手机号以及邮箱进行隐私处理",
    "Summary": "对手机号以及邮箱进行隐私处理，使用*替换部分字符",
    "Cover": "https://oss.okay123.top/oss//2023/07/13/bRnXB7wM1M.png",
    "IsTop": "0",
    "Views": 116,
    "Author": "可乐",
    "Link": "",
    "CreationType": 0,
    "Content": "## 代码示例\n``` C#\n \t/// <summary>\n        /// 字符串掩码\n        /// </summary>\n        /// <param name=\"s\">字符串</param>\n        /// <param name=\"mask\">掩码符</param>\n        /// <returns></returns>\n        public static string Mask(this string s, char mask = '*')\n        {\n            if (string.IsNullOrWhiteSpace(s?.Trim()))\n            {\n                return s;\n            }\n            s = s.Trim();\n            string masks = mask.ToString().PadLeft(4, mask);\n            return s.Length switch\n            {\n                >= 11 => Regex.Replace(s, \"(.{3}).*(.{4})\", $\"$1{masks}$2\"),\n                10 => Regex.Replace(s, \"(.{3}).*(.{3})\", $\"$1{masks}$2\"),\n                9 => Regex.Replace(s, \"(.{2}).*(.{3})\", $\"$1{masks}$2\"),\n                8 => Regex.Replace(s, \"(.{2}).*(.{2})\", $\"$1{masks}$2\"),\n                7 => Regex.Replace(s, \"(.{1}).*(.{2})\", $\"$1{masks}$2\"),\n                6 => Regex.Replace(s, \"(.{1}).*(.{1})\", $\"$1{masks}$2\"),\n                _ => Regex.Replace(s, \"(.{1}).*\", $\"$1{masks}\")\n            };\n        }\n```",
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    "PublishTime": "2023-06-01",
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    "CreatedTime": "2023-06-01"
  },
  {
    "Id": 62763584290821,
    "Title": "通过委托动态为对象属性赋值",
    "Summary": "通过委托动态为对象属性赋值，避免使用反射导致性能影响",
    "Cover": "https://oss.okay123.top/oss//2023/07/13/E6pMz7NN71.jpg",
    "IsTop": "0",
    "Views": 142,
    "Author": "可乐不加冰",
    "Link": "",
    "CreationType": "0",
    "Content": "# 封装示例\n```csharp\npublic static class ObjectExtensions\n{\n    /// <summary>\n    /// 动态获取对象属性的值\n    /// </summary>\n    /// <typeparam name=\"T\">目标对象类型</typeparam>\n    /// <param name=\"o\">目标对象</param>\n    /// <param name=\"propertyName\">属性名</param>\n    /// <returns></returns>\n    public static object GetPropertyValue<T>(this T o, string propertyName)\n    {\n        if (o == null)\n        {\n            return null;\n        }\n\n        Type type = o.GetType();\n        PropertyInfo property = type.GetProperty(propertyName);\n        if (property == null || property.GetGetMethod() == null)\n        {\n            return null;\n        }\n        var getValue = (Func<T, object>)Delegate.CreateDelegate(typeof(Func<T, object>), property.GetGetMethod());\n        return getValue(o);\n    }\n\n    /// <summary>\n    /// 动态设置对象属性的值\n    /// </summary>\n    /// <typeparam name=\"T\">属性值的类型</typeparam>\n    /// <param name=\"o\">目标对象</param>\n    /// <param name=\"propertyName\">属性名</param>\n    /// <param name=\"value\">属性值</param>\n    public static void SetPropertyValue<T>(this object o, string propertyName, T value)\n    {\n        if (o == null)\n        {\n            return;\n        }\n\n        Type type = o.GetType();\n        PropertyInfo property = type.GetProperty(propertyName);\n        if (property == null || property.GetSetMethod() == null)\n        {\n            return;\n        }\n        var setValue = (Action<T>)Delegate.CreateDelegate(typeof(Action<T>), o, property.GetSetMethod());\n        setValue(value);\n    }\n}\n```",
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    "PublishTime": "2023-06-01",
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    "Sort": 100,
    "IsAllowComments": "1",
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    "UpdatedTime": "2023-06-01",
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    "CreatedTime": "2023-06-01"
  }
]