程序代码:
<%@ page language="java" import="java.util.*,java.sql.*,javax.sql.DataSource" pageEncoding="GB2312"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>
<%
request.setCharacterEncoding("GB2312");
if(request.getParameter("username")!=null)
{
Connection conn = null;
Statement smt = null;
ResultSet rs = null;
try
{
Class.forName("com.mysql.jdbc.Driver");
}
catch(ClassNotFoundException e)
{
out.print(e.getMessage());
}
try{
System.out.println("iiii");
conn = DriverManager.getConnection("jdbc:MySql://localhost:3306/web?user=root&password=123&useUnicode=true&characterEncoding=gb2312");
smt = conn.createStatement(ResultSet.TYPE_SCROLL_SENSITIVE, ResultSet.CONCUR_READ_ONLY);
String sql = "insert into user values('"+(String)request.getParameter("username")+"','"+ (String)request.getParameter("password") +"','"+(String)request.getParameter("email")+"','')";
smt.executeUpdate(sql);
}catch(SQLException e)
{
e.printStackTrace();
}catch(Exception e)
{
e.printStackTrace();
}finally{
try{
if(rs!=null)
{
rs.close();
}
if(smt!=null)
{
smt.close();
}
if(conn!=null)
{
conn.close();
}
}catch(Exception e)
{
e.printStackTrace();
}
}
}
%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<base href="<%=basePath%>">
<title>My JSP 'regist.jsp' starting page</title>
<meta http-equiv="pragma" content="no-cache">
<meta http-equiv="cache-control" content="no-cache">
<meta http-equiv="expires" content="0">
<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
<meta http-equiv="description" content="This is my page">
</head>
<body>
<form method="post" name="f1" action="regist.jsp">
<h1 align="center">注册</h1><div align="center"><br>
</div><div align="center"><div align="center">用户名:
<input type="text" name="username" size="20" maxlength="20"><br><br>密码:
<input type="password" name="password" size="20" maxlength="20"><br><br>邮箱:
<input type="text" name="email" size="20" maxlength="20"><br></div>
<input type="submit" name="Regist" value="注册 " onClick="validateLogin()";>
</div>
</form>
<script language="javaScript">
function validateLogin()
{
var sUserName = document.f1.username.value;
var sPassword = document.f1.password.value;
var sEmail = document.f1.email.value;
if( sUserName=="" )
{
alert("请输入用户名!");
return false;
}
if( sPassword=="" )
{
alert("请输入密码!");
return false;
}
if( sEmail=="" )
{
alert("请输入邮箱!");
return false;
}
if(sUserName.length<6)
{
alert("用户名请不小于6个字符! ");
return false;
}
if(sPassword.length<6)
{
alert("密码请不小于6个字符! ");
return false;
}
var reg = /^\w+((-\w+)|(\.\w+))*\@[A-Za-z0-9]+((\.|-)[A-Za-z0-9]+)*\.[A-Za-z0-9]+$/;
if(!reg.test(sEmail))
{
alert("邮箱格式错误 ! ");
return false;
}
}
</script>
</body>
</html>
代码