423 lines
16 KiB
C#
423 lines
16 KiB
C#
using System;
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using System.Collections;
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using System.Collections.Generic;
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using System.Linq;
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using System.Net.Http;
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using System.Reflection;
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using System.Text;
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using System.Threading.Tasks;
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using System.Web;
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namespace Song.ViewData
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{
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/// <summary>
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/// 记录客户端递交来的信息
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/// </summary>
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public class Letter : IEnumerable
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{
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#region 属性
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/// <summary>
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/// HTTP请求谓词，即Get、Post、Put等
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/// </summary>
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public string HTTP_METHOD { get; set; }
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/// <summary>
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/// 来源页，一般是调用api方法时的所在页
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/// </summary>
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public string HTTP_REFERER { get; set; }
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/// <summary>
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/// http请求的域名
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/// </summary>
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public string HTTP_HOST { get; set; }
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/// <summary>
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/// 请求标识，只允许是weishakeji
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/// </summary>
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public string HTTP_Mark { get; set; }
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/// <summary>
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/// 返回数据的类型，默认为json，可以设置为xml
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/// </summary>
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public string ReturnType { get; set; }
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/// <summary>
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/// 接口版本
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/// </summary>
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public string Version { get; set; }
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/// <summary>
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/// 所请求接口的类名称
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/// </summary>
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public string ClassName { get; set; }
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/// <summary>
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/// 所请求接口的方法
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/// </summary>
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public string MethodName { get; set; }
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/// <summary>
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/// id参数，id是作为普通参数，因为常用，所以单独列出
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/// </summary>
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public int ID { get; set; }
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private Dictionary<string, string> _params = new Dictionary<string, string>();
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/// <summary>
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/// 参数集，包括Get和Post，即地址栏参数和form参数；
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/// 如果参数名称有重名，后者会替换前者的值
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/// </summary>
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public Dictionary<string, string> Params
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{
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get
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{
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return _params;
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}
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set
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{
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_params = value;
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}
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}
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private Dictionary<string, string> _cookies = new Dictionary<string, string>();
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/// <summary>
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/// Cookies参数集
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/// </summary>
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public Dictionary<string, string> Cookies
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{
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get
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{
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return _cookies;
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}
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set
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{
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_cookies = value;
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}
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}
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/// <summary>
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/// 服务器端的信息
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/// </summary>
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public Song.ViewData.Server Sever
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{
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get
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{
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return Song.ViewData.Server.GetServer();
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}
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}
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/// <summary>
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/// 请求的来源，即客户端
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/// </summary>
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public Song.ViewData.Browser Client
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{
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get
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{
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return Song.ViewData.Browser.GetBrowser();
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}
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}
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#endregion
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#region 构造方法
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public Letter(HttpContext context)
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{
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HttpRequest request = context.Request;//定义传统request对象
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HTTP_METHOD = request.HttpMethod;
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//HTTP_HOST = request.Params["HTTP_HOST"];
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HTTP_HOST = request.Url.Authority; //等同Params["HTTP_HOST"]，但是由于Params["HTTP_HOST"]可以在客户端更改，不安全
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HTTP_REFERER = request.Params["HTTP_REFERER"];
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//Authorization的解析
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string auth = request.Params["HTTP_AUTHORIZATION"];
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if (!string.IsNullOrWhiteSpace(auth))
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{
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auth = auth.Substring(auth.IndexOf(" ")).Trim();
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auth = WeiSha.Common.DataConvert.DecryptForBase64(auth);
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List<string> users = new List<string>();
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foreach (string s in auth.Substring(0, auth.LastIndexOf(":")).Split(' '))
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{
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if (string.IsNullOrWhiteSpace(s)) continue;
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users.Add(s);
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}
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if (users.Count > 0) HTTP_Mark = users[0];
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if (users.Count > 1 && !HTTP_METHOD.Equals("get",StringComparison.CurrentCultureIgnoreCase)) HTTP_METHOD = users[1].ToUpper();
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if (users.Count > 2) ReturnType = users[2];
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if (users.Count > 3 && string.IsNullOrWhiteSpace(HTTP_REFERER)) HTTP_REFERER = users[3];
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}
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////用于调试，勿删除
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//string pas = string.Empty;
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//for (int i = 0; i < request.Params.Count; i++)
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//{
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// string key = request.Params.Keys[i];
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// string val = request.Params[key];
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// pas += string.Format("{0}、{1}:{2}\n", (i + 1).ToString(), key,val);
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//}
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//获取类名与方法名，可以考虑增加默认方法，例如index或default
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string[] arr = request.Url.Segments;
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string clasname = arr[3];
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string action = arr[4];
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if (clasname.EndsWith("/")) clasname = clasname.Substring(0, clasname.LastIndexOf("/"));
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if (action.EndsWith("/")) action = action.Substring(0, action.LastIndexOf("/"));
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this.ClassName = clasname;
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this.MethodName = action;
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#region 获取参数
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//获取get参数
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for (int i = 0; i < context.Request.QueryString.Count; i++)
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{
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string key = context.Request.QueryString.Keys[i].ToString().Trim();
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string val = Microsoft.JScript.GlobalObject.unescape(context.Request.QueryString[i].ToString().Trim());
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if (_params.ContainsKey(key))
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_params[key] = val;
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else
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_params.Add(key, val);
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}
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//获取post参数，put,delete,patch,options都从这里获取
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for (int i = 0; i < context.Request.Form.Count; i++)
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{
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string key = context.Request.Form.Keys[i].ToString().Trim();
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string val = Microsoft.JScript.GlobalObject.unescape(context.Request.Form[i].ToString().Trim());
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if (_params.ContainsKey(key))
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_params[key] = val;
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else
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_params.Add(key, val);
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}
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this.ID = this["id"].Int32 ?? 0;
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//获取cookies
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for (int i = 0; i < context.Request.Cookies.Count; i++)
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{
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string key = context.Request.Cookies.Keys[i].ToString();
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string val = context.Request.Cookies[i].Value.ToString();
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if (_cookies.ContainsKey(key))
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_cookies[key] = val;
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else
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_cookies.Add(key, val);
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}
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#endregion
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}
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/// <summary>
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/// 构造函数，来自MVC控制器的调用，客户端采用$api时会经过MVC控制器
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/// 通过此种方式，会获取get、post参数，并从当前线程获取cookies集合
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/// </summary>
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/// <param name="httprequest">api控制器的访问对象</param>
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public Letter(HttpRequestMessage httprequest)
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{
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HTTP_METHOD = httprequest.Method.Method; //请求方法
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//从请求地址中，分析类名与方法名
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string[] arr = httprequest.RequestUri.Segments;
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//获取类名与方法名
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string clasname = arr[3];
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string action = arr[4];
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if (clasname.EndsWith("/")) clasname = clasname.Substring(0, clasname.LastIndexOf("/"));
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if (action.EndsWith("/")) action = action.Substring(0, action.LastIndexOf("/"));
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this.ClassName = clasname;
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this.MethodName = action;
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//获取参数
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HttpContextBase context = (HttpContextBase)httprequest.Properties["MS_HttpContext"];//获取传统context
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HttpRequestBase request = context.Request;//定义传统request对象
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//获取get参数
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for (int i = 0; i < context.Request.QueryString.Count; i++)
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{
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string key = context.Request.QueryString.Keys[i].ToString().Trim();
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string val = Microsoft.JScript.GlobalObject.unescape(context.Request.QueryString[i].ToString().Trim());
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if (_params.ContainsKey(key))
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_params[key] = val;
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else
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_params.Add(key, val);
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}
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//获取post参数，put,delete,patch,options都从这里获取
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for (int i = 0; i < context.Request.Form.Count; i++)
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{
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string key = context.Request.Form.Keys[i].ToString().Trim();
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string val = Microsoft.JScript.GlobalObject.unescape(context.Request.Form[i].ToString().Trim());
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if (_params.ContainsKey(key))
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_params[key] = val;
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else
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_params.Add(key, val);
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}
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this.ID = this["id"].Int32 ?? 0;
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//获取cookies
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for (int i = 0; i < context.Request.Cookies.Count; i++)
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{
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string key = context.Request.Cookies.Keys[i].ToString();
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string val = context.Request.Cookies[i].Value.ToString();
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if (_cookies.ContainsKey(key))
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_cookies[key] = val;
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else
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_cookies.Add(key, val);
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}
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}
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/// <summary>
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/// 构造方法，直接用字符串传递参数，服务器端@Api调用时用此方法
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/// 通过此种方式，利用参数2（string paramseters）解析所需参数，并从当前线程获取cookies集合
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/// </summary>
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/// <param name="method">格式：类名/方法名</param>
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/// <param name="paramseters">格式："p1:str,p2:str"</param>
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public Letter(string method, string paramseters)
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{
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//获取类名和方法
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string classname = string.Empty, methodname = string.Empty;
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if (method.IndexOf("/") > -1)
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{
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classname = method.Substring(0, method.LastIndexOf("/"));
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methodname = method.Substring(method.LastIndexOf("/") + 1);
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}
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this.ClassName = classname;
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this.MethodName = methodname;
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//解析参数
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string rep = DateTime.Now.Ticks.ToString();
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paramseters = paramseters.Replace(@"\,", rep); //将\,逗号处理一下
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foreach (string item in paramseters.Split(','))
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{
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string t = item.Replace(rep, @","); //将逗号再弄回来
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t = t.Replace(@"\:", rep);
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string[] arr = t.Split(':');
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if (arr.Length < 2) continue;
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arr[1] = arr[1].Replace(rep, @":").Trim();
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//去除参数的前后单引号
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if (arr[1].StartsWith("'")) arr[1] = arr[1].Substring(1);
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if (arr[1].EndsWith("'")) arr[1] = arr[1].Length > 1 ? arr[1].Substring(0, arr[1].Length - 1) : "";
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_params.Add(arr[0].Trim(), arr[1].Trim());
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}
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this.ID = this["id"].Int32 ?? 0;
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//获取cookies
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System.Web.HttpContext context = System.Web.HttpContext.Current;
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for (int i = 0; i < context.Request.Cookies.Count; i++)
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{
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string key = context.Request.Cookies.Keys[i].ToString();
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string val = context.Request.Cookies[i].Value.ToString();
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if (_cookies.ContainsKey(key))
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_cookies[key] = val;
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else
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_cookies.Add(key, val);
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}
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}
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#endregion
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#region 获取参数的方法
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/// <summary>
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/// 获取参数的值，等同GetParameter(string key)方法
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/// </summary>
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/// <param name="key">参数名</param>
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/// <returns></returns>
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public ConvertToAnyValue this[string key]
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{
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get
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{
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return GetParameter(key);
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}
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}
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/// <summary>
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/// 获取参数值
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/// </summary>
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/// <param name="key">参数名</param>
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/// <returns>参数Value值</returns>
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public ConvertToAnyValue GetParameter(string key)
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{
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string val = string.Empty;
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foreach (KeyValuePair<string, string> kv in _params)
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{
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if (key.Trim().Equals(kv.Key, StringComparison.CurrentCultureIgnoreCase))
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{
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val = kv.Value;
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break;
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}
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}
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return new ConvertToAnyValue(val);
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}
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/// <summary>
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/// 是否存在某参数
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/// </summary>
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/// <param name="key">参数的Key值</param>
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/// <returns>参数Value值</returns>
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public bool ExistParameter(string key)
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{
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if (_params.ContainsKey(key))
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{
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return true;
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}
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return false;
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}
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/// <summary>
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/// 获取cookie值
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/// </summary>
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/// <param name="key">cookie名称</param>
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/// <returns>cookie的值</returns>
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public ConvertToAnyValue GetCookie(string key)
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{
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string val = string.Empty;
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foreach (KeyValuePair<string, string> kv in _cookies)
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{
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if (key.Equals(kv.Key, StringComparison.CurrentCultureIgnoreCase))
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{
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val = kv.Value;
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break;
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}
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}
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return new ConvertToAnyValue(val);
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}
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#endregion
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#region 重构的一些方法或接口实现
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/// <summary>
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/// 重写ToString方法，将参数串连成字符串
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/// </summary>
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/// <returns>格式：key=value;</returns>
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public override string ToString()
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{
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string str = string.Empty;
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foreach (KeyValuePair<string, string> kv in _params)
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{
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str += kv.Key + "=" + kv.Value + ";";
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}
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return str;
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}
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/// <summary>
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/// 迭代器
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/// </summary>
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/// <returns></returns>
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public IEnumerator GetEnumerator()
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{
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foreach (KeyValuePair<string, string> kv in _params)
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{
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yield return kv;
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}
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}
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#endregion
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/// <summary>
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/// 将参数转换为其它类型，常见转换成实体
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/// </summary>
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/// <typeparam name="T"></typeparam>
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/// <returns></returns>
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public T Convert<T>() where T : new()
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{
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T t = new T();
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Type type = t.GetType();
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PropertyInfo[] properties = type.GetProperties();
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for (int j = 0; j < properties.Length; j++)
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{
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PropertyInfo pi = properties[j];
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object piValue = new object();
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foreach (KeyValuePair<string, string> kv in _params)
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{
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string val = kv.Value;
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if (string.IsNullOrWhiteSpace(val) || val == "undefined") continue;
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if (kv.Key.Equals(pi.Name, StringComparison.CurrentCultureIgnoreCase))
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{
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switch (pi.PropertyType.Name)
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{
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case "DateTime":
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if (val == null || string.IsNullOrWhiteSpace(val.ToString()))
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{
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piValue = DateTime.Now;
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break;
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}
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DateTime dt = TimeZone.CurrentTimeZone.ToLocalTime(new DateTime(1970, 1, 1));
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long lTime = long.Parse(val + "0000");
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TimeSpan toNow = new TimeSpan(lTime);
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piValue = dt.Add(toNow);
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break;
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default:
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piValue = System.Convert.ChangeType(val, pi.PropertyType);
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break;
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}
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pi.SetValue(t, piValue, null);
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break;
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}
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}
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}
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return t;
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}
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}
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}
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