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                                   //改造原来的User,给其添加一个用户所属的角色数据          protected void Application_AuthenticateRequest(object sender, EventArgs e)          {              if (HttpContext.Current.User != null )              {                  if (HttpContext.Current.User.Identity.IsAuthenticated)                  {                      if (HttpContext.Current.User.Identity is FormsIdentity)                      {                          FormsIdentity id = (FormsIdentity)HttpContext.Current.User.Identity;                          FormsAuthenticationTicket ticket = id.Ticket; 
                          string userData = ticket.UserData;                          string[] roles = userData.Split(',');                          //重建HttpContext.Current.User,加入用户拥有的角色数组                          HttpContext.Current.User = new GenericPrincipal(id, roles);                      }                  }              }          } 
        5、在Admin目录中Manager.aspx页面加载代码如下: 
 复制代码 代码如下:           protected void Page_Load(object sender, EventArgs e)          {              //判断通过身份验证的用户是否有权限访问本页面              FormsIdentity id = (FormsIdentity)HttpContext.Current.User.Identity;              //判断通过身份验证的用户是否是Admin角色              if (!id.Ticket.UserData.Contains("Admin"))              {                  //跳转到访问权限不够的错误提示页面                  Response.Redirect("~/Error/AccessError.htm", true);              }          }          //安全退出按钮的代码          protected void btnExit_Click(object sender, EventArgs e)          {              //注销票据              FormsAuthentication.SignOut();              ClientScriptManager csm = this.Page.ClientScript;              csm.RegisterStartupScript(this.GetType(), "exit_tip", "alert('您已经安全退出了!');", true);          } 
        6、在Users目录中Welcome.aspx页面加载代码如下: 
 复制代码 代码如下:                         (编辑:临夏站长网) 
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