WEB页面统一认证登录方法
在每一个页面的aspx.cs文件中都要写代码检查用户是否已登录,麻烦。这样子来做比较好。
先建一个测试用解决方案吧,WebApplication1
新建一个类,就叫LoginModule好了,继承 IHttpModule 接口,内容差不多是这样子:
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using System;
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using System.Web;
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using System.Web.Handlers ;
4![](/Images/OutliningIndicators/None.gif)
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namespace WebApplication1
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{
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/// <summary>
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/// LoginModule 的摘要说明。
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/// </summary>
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public class LoginModule : IHttpModule
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{
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public LoginModule()
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{
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//
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// TODO: 在此处添加构造函数逻辑
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//
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}
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private void context_AcquireRequestState(object sender, EventArgs e)
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{
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HttpContext context = HttpContext.Current;
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try
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{
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//把不需要验证的Handler加在这里
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if (context.Handler is TraceHandler)
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{
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return;
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}
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if(context.Session["Session_User"] == null)
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{
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string curUrl = context.Request.Url.ToString();
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string currUser = "";
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// 用户登录检查代码
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// ![](https://www.cnblogs.com/Images/dot.gif)
![](https://www.cnblogs.com/Images/dot.gif)
![](https://www.cnblogs.com/Images/dot.gif)
![](https://www.cnblogs.com/Images/dot.gif)
.
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if(currUser == null || currUser.Trim().Length == 0)
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throw new Exception("你还不是本系统的用户,如果需要进行本系统的操作,请联系管理员");
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else
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context.Session["Session_User"] = currUser;
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}
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}
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catch (Exception ex)
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{
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throw ex;
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}
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}
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public void Init(HttpApplication context)
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{
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context.AcquireRequestState += new EventHandler(context_AcquireRequestState);
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}
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public void Dispose()
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{
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}
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}
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}
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![](/Images/OutliningIndicators/InBlock.gif)
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![](/Images/OutliningIndicators/InBlock.gif)
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![](/Images/OutliningIndicators/InBlock.gif)
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![](/Images/OutliningIndicators/InBlock.gif)
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![](/Images/OutliningIndicators/InBlock.gif)
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![](/Images/OutliningIndicators/InBlock.gif)
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![](/Images/OutliningIndicators/ExpandedSubBlockEnd.gif)
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![](/Images/OutliningIndicators/InBlock.gif)
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![](/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
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![](/Images/OutliningIndicators/InBlock.gif)
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![](/Images/OutliningIndicators/InBlock.gif)
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![](/Images/OutliningIndicators/InBlock.gif)
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![](/Images/OutliningIndicators/InBlock.gif)
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![](/Images/OutliningIndicators/InBlock.gif)
![](https://www.cnblogs.com/Images/dot.gif)
![](https://www.cnblogs.com/Images/dot.gif)
![](https://www.cnblogs.com/Images/dot.gif)
![](https://www.cnblogs.com/Images/dot.gif)
![](https://www.cnblogs.com/Images/dot.gif)
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![](/Images/OutliningIndicators/InBlock.gif)
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![](/Images/OutliningIndicators/InBlock.gif)
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![](/Images/OutliningIndicators/InBlock.gif)
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![](/Images/OutliningIndicators/InBlock.gif)
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![](/Images/OutliningIndicators/InBlock.gif)
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![](/Images/OutliningIndicators/ExpandedSubBlockEnd.gif)
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![](/Images/OutliningIndicators/ExpandedSubBlockEnd.gif)
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![](/Images/OutliningIndicators/InBlock.gif)
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![](/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
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![](/Images/OutliningIndicators/InBlock.gif)
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![](/Images/OutliningIndicators/ExpandedSubBlockEnd.gif)
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![](/Images/OutliningIndicators/ExpandedSubBlockEnd.gif)
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![](/Images/OutliningIndicators/InBlock.gif)
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![](/Images/OutliningIndicators/InBlock.gif)
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![](/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
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![](/Images/OutliningIndicators/InBlock.gif)
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![](/Images/OutliningIndicators/ExpandedSubBlockEnd.gif)
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![](/Images/OutliningIndicators/InBlock.gif)
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![](/Images/OutliningIndicators/InBlock.gif)
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![](/Images/OutliningIndicators/None.gif)
然后再在 Web.Config 中增加如下设置。
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这样就把登录认证的操作统一在LoadModule中进行处理啦。省掉好多工作量 :)
posted on 2005-11-07 17:05 CrazyWill 阅读(6463) 评论(0) 编辑 收藏 举报