asp用户登录验证源码示例

<p>&lt;HTML&gt;<br />&lt;BODY&gt;<br />&lt;TITLE&gt;<br />用户登录<br />&lt;/TITLE&gt;<br />&lt;%<br />if Request.Form.Count=0 then<br />%&gt;<br />请输入用户名和密码<br />&lt;FORM ACTION="login.asp" METHOD="post"&gt;<br />&nbsp;&nbsp;&nbsp; &lt;Table border=0&gt;<br />&nbsp;&nbsp;&nbsp; &lt;tr&gt;&lt;td&gt;用户名:&lt;/td&gt;<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &lt;td&gt;&lt;INPUT TYPE=text NAME=username VALUE=""&gt;&lt;/td&gt;<br />&nbsp;&nbsp;&nbsp; &lt;/tr&gt;<br />&nbsp;&nbsp;&nbsp; &lt;tr&gt;&lt;td&gt;密码:&lt;/td&gt;<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &lt;td&gt;&lt;INPUT TYPE=password NAME=password&nbsp; VALUE=""&gt;&lt;/td&gt;<br />&nbsp;&nbsp;&nbsp; &lt;/tr&gt;<br />&nbsp;&nbsp;&nbsp; &lt;/Table&gt;<br />&nbsp;&nbsp;&nbsp; &lt;INPUT TYPE=Submit VALUE=确认提交&gt;<br />&nbsp;&nbsp;&nbsp; &lt;INPUT TYPE=reset VALUE=重新输入&gt;<br />&lt;/FORM&gt;</p><p>&lt;%else%&gt;<br />&lt;%<br />Dim user<br />dim pwd<br />user=Request.Form("username")<br />pwd=Request.Form("password")</p><p>if user="fenfang" then<br />&nbsp;&nbsp;&nbsp; if pwd="1234" then<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Response.write "用户登录成功"<br />&nbsp;&nbsp;&nbsp; else <br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Response.write "用户密码无效"<br />&nbsp;&nbsp;&nbsp; end if<br />else<br />&nbsp;&nbsp;&nbsp; Response.write "用户无效"<br />end if<br />end if<br />%&gt;</p><p>网页显示效果：<br />请输入用户名和密码 <table border=0><tbody><tr><td>用户名:</td><td><input name=username></td></tr><tr><td>密码:</td><td><input type=password name=password></td></tr></tbody></table><input type=submit value=确认提交> <input type=reset value=重新输入> </p><p>［此帖子已被 灰儿 在 2008-2-28 20:50:40 编辑过］