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一个简单的ASP.NETForms身份认证

点击次数:18 次 发布日期:2008-11-27 02:19:03 作者:源代码网
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    当访问默认首页default.aspx时,会自动跳转到login.aspx页面上请求登录,随便输入用户名和密码,点击“登录”按钮,会回到首页,并显示当前登录的用户名。


    Web.config <configuration> <system.web> <compilation debug="true"/> <authentication mode="Forms"> <forms loginUrl="login.aspx" name = ".ASPXFORMSAUTH" /> </authentication> <authorization> <deny users="?"/> </authorization> </system.web> </configuration>


    default.aspx <HTML> <HEAD> <TITLE>首页</TITLE> <script language="VB" runat="server"> Sub Page_Load(Sender As Object, e As EventArgs)


    Message.Text = String.Format("你好,{0}", Context.User.Identity.Name)


    End Sub sub btnSignout_Click(Sender as Object, E as EventArgs)


    FormsAuthentication.SignOut()


    Response.Redirect("login.aspx")


    end sub


    </script> </HEAD> <BODY> <asp:label id="Message" runat="server"/> <br> <form method="post" runat="server"> <asp:button id="btnSignout" Text="退出登录" runat="server" OnClick="btnSignout_Click"/> </form> </BODY> </HTML>


    login.aspx <HEAD> <TITLE>首页</TITLE> <script lanugage="c#" runat="server"> private void Page_Load(object sender, EventArgs e)


    { if (Request.IsAuthenticated)


    Response.Redirect("default.aspx");} void btnLogin_Click(Object sender, EventArgs e)


    { if (txtUsername.Text != null && txtUsername.Text != String.Empty && txtPassword.Text != null && txtPassword.Text != String.Empty)


    FormsAuthentication.RedirectFromLoginPage(txtUsername.Text, true);else lblError.Text = "错误的用户名/密码";} </script> </HEAD> <BODY> <form method="post" runat="server">


    <asp:Label id="lblUsername" runat="server" Text="用户名:"/>


    <asp:Textbox id="txtUsername" runat="server"/> <br> <asp:Label id="lblPassword" runat="server" Text="密 码:"/>


    <asp:Textbox id="txtPassword" runat="server" TextMode="password"/> <br> <asp:button id="btnLogin" runat="server" Text="登录" OnClick="btnLogin_Click" />


    </form> <hr> <br> <asp:Label id="lblError" forecolor="red" runat="server"/> </BODY> </HTML>



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