一个简单的ASP.NETForms身份认证

王朝asp·作者佚名  2008-05-19
窄屏简体版  字體: |||超大  

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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