【下载文档:  Attribute_特性心得随笔.txt 】

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Attribute/特性心得随笔
复制代码 代码如下:

/*

*特性

*/

复制代码 代码如下: using System; using System.Collections.Generic; using System.Linq; using System.Web; ///

/// DisAttribute 的摘要说明 ///

public class DisAttribute : Attribute { private string _message; ///

/// 描述 ///

public string Message { get { return _message; } } public DisAttribute(string message) { this._message = message; } } /* *类 */ 复制代码 代码如下: using System; using System.Collections.Generic; using System.EnterpriseServices; using System.Linq; using System.Web; using System.Web.DynamicData; ///

/// User 的摘要说明 ///

[DisAttribute("User"),TableName("user"),Description("user")] public class User { private int? _id; ///

/// Id ///

[DisAttribute("主键")] public int? Id { get { return _id; } set { _id = value; } } private string _name; ///

/// 名称 ///

[DisAttribute("名称")] public string Name { get { return _name; } set { _name = value; } } } /* *获取 */ 复制代码 代码如下: //获取特性 User u = new User(); Type _t = u.GetType(); foreach (Attribute a in _t.GetCustomAttributes(true)) { if (a.GetType().ToString() == "DisAttribute") { DisAttribute _da = (DisAttribute)a; if (_da != null) { Response.Write(_da.Message + "
"); } } } //获取所有属性 u.Id = 888888; u.Name = "陈奕迅"; foreach (PropertyInfo item in _t.GetProperties()) { //特性 Attribute atr = item.GetCustomAttribute(typeof(DisAttribute)); if (atr.GetType().ToString() == "DisAttribute") { DisAttribute _da = (DisAttribute)atr; if (_da != null) { Response.Write(_da.Message + "
"); } } }