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89 lines
3.6 KiB
Plaintext
89 lines
3.6 KiB
Plaintext
using System;
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using System.Web;
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using System.Web.SessionState;
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using BP.Difference;
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namespace BP.WF.HttpHandler
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{
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abstract public class HttpHandlerBase : IHttpHandler, IRequiresSessionState
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{
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/// <summary>
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/// 获取 “Handler业务处理类”的Type
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/// <para></para>
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/// <para>注意： “Handler业务处理类”必须继承自BP.WF.HttpHandler.WebContralBase</para>
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/// </summary>
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public abstract Type CtrlType { get; }
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public bool IsReusable
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{
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get { return false; }
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}
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private HttpContext context = null;
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public void ProcessRequest(HttpContext mycontext)
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{
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context = mycontext;
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//创建 ctrl 对象, 获得业务实体类.
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DirectoryPageBase ctrl = Activator.CreateInstance(this.CtrlType) as DirectoryPageBase;
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//让其支持跨域访问.
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string origin = HttpContextHelper.Request.Headers["Origin"];
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if (!string.IsNullOrEmpty(origin))
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{
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var allAccess_Control_Allow_Origin = System.Web.Configuration.WebConfigurationManager.AppSettings["Access-Control-Allow-Origin"];
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HttpContextHelper.Response.Headers["Access-Control-Allow-Origin"] = origin;
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HttpContextHelper.Response.Headers["Access-Control-Allow-Credentials"] = "true";
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HttpContextHelper.Response.Headers["Access-Control-Allow-Headers"] = "x-requested-with,content-type";
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//if (!string.IsNullOrEmpty(allAccess_Control_Allow_Origin))
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//{
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// var origin = HttpContextHelper.Request.Headers["Origin"];
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// if (System.Web.Configuration.WebConfigurationManager.AppSettings["Access-Control-Allow-Origin"].Contains(origin))
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// {
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// HttpContextHelper.Response.Headers["Access-Control-Allow-Origin"] = origin;
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// HttpContextHelper.Response.Headers["Access-Control-Allow-Credentials"] = "true";
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// HttpContextHelper.Response.Headers["Access-Control-Allow-Headers"] = "x-requested-with,content-type";
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// }
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//}
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}
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try
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{
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//执行方法返回json.
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string data = ctrl.DoMethod(ctrl, ctrl.DoType);
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//返回执行的结果.
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HttpContextHelper.Response.Write(data);
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}
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catch (Exception ex)
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{
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string paras = "";
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foreach (string key in context.Request.QueryString.Keys)
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{
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paras += "@" + key + "=" + context.Request.QueryString[key];
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}
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string err = "";
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//返回执行错误的结果.
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if (ex.InnerException != null)
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err = "err@在执行类[" + this.CtrlType.ToString() + "]，方法[" + ctrl.DoType + "]错误 \t\n @" + ex.InnerException.Message + " \t\n @技术信息:" + ex.StackTrace + " \t\n相关参数:" + paras;
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else
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err = "err@在执行类[" + this.CtrlType.ToString() + "]，方法[" + ctrl.DoType + "]错误 \t\n @" + ex.Message + " \t\n @技术信息:" + ex.StackTrace + " \t\n相关参数:" + paras;
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if (BP.Web.WebUser.No == null)
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err = "err@登录时间过长,请重新登录. @其他信息:" + err;
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//记录错误日志以方便分析.
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BP.DA.Log.DebugWriteError(err);
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HttpContextHelper.Response.Write(err);
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}
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}
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}
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}
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