📄 login.jsp
字号:
<%@page contentType="text/html;charset=GBK"%>
<%
String submit = request.getParameter("submit");
if(submit!=null&&!"".equals(submit)){
blog.Op_user find = new blog.Op_user();
int userID=0;
if((userID=find.finduser(request))>0){
blog.OnlineUser ou = new blog.OnlineUser();
boolean online = ou.findUser(request.getParameter("userName"));
if(online){
response.sendRedirect("error.jsp?msg=user already in used");
return;
}
session.setAttribute("userID",Integer.toString(userID));
session.setAttribute("userName",request.getParameter("userName"));
response.sendRedirect("showboard.jsp");
}
else{
out.print("用户不存在");
}
}
%>
<html>
<head>
<title>新用户登陆</title>
<script lauguage="javascript">
function submitF(param){
with(document.form1){
if(param=='login'){
//test();
action = "login.jsp";
}
if('reg'==param){
action = "reg.jsp";
}
if('admin'==param){
action = "showban.jsp";
}
submit();
}
}
function test(){
if(window.form1.userName.value==""||window.form1.password.value==""){
alert("输入信息不完整");
return;
}
var ps;
ps=window.form1.password.value;
var i;
for(i=0;i<ps.length;i++){
x=ps.charCodeAt(i);
if (x<48 ||x>57){
alert("只能输入数字");
window.form1.password.value="";
break;
}
}
//if(window.form1.email.value.indexOf('@')==-1){
// alert("邮箱地址错误");
//}
}
</script>
</head>
<body topmargin="100" bgcolor="#DDDDFF">
<center><h1>用户登陆</h1></center>
<center>
<form name="form1" action="login.jsp" method="post">
<table name="table1">
<tr>
<td>用户名：</td><td><input type="text" name="userName" value="go"></td>
</tr>
<tr>
<td>密码  ：</td><td><input type="password" name="password" value="go"></td>
</tr>
</table>
<input type="submit" name="submit" value="submit" >
<a href="reg.jsp">注册</a>
</form>
</center>
</body>
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