将数据写入数据库,该怎么解决
日期：2014-05-20 浏览次数：20861 次
将数据写入数据库
index.jsp页面
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<title>在线购物系统-用户登录入口</title>
<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
<meta http-equiv="description" content="this is my page">
<meta http-equiv="content-type" content="text/html; charset=UTF-8">
<script language="javascript">
function datacheck(){
if(login.username.value==""){
alert("用户名不能为空...");
return false;
}
if(login.password.value==""){
alert("用户密码不能为空...");
return false;
}
}
</script>
</head>
<body>
<center>
<p>
用户登录入口
<p>
<form name="login" action="submit.jsp" method="post">
用户账号：<input name="account" type="text" value=""/><br><br>
用户密码：<input name="password" type="password" value="" />
<p>
<input name="submit" type="submit" value="提交" onclick="return datacheck();"/>
<input name="reset" type="reset" value="重置">
</form>
</center>
</body>
</html>
submit.jsp页面、
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<% java.sql.Connection conn=null;
java.lang.String strConn;
java.sql.Statement sm=null;
java.sql.ResultSet rs=null;
try{
Class.forName("org.gjt.mm.mysql.Driver");
conn=java.sql.DriverManager.getConnection("jdbc:musql://localhost/user","root","");
sm=conn.createStatement();
String id=request.getParameter("account");
String pw=request.getParameter("password");
String sql="insert into user_info values('"+id+"','"+pw+"')";
String sql1="select * from user_info";
//执行SQL语句
sm.executeUpdate(sql);
rs=sm.executeQuery(sql1);
%>
<center>用户信息表</center>
<form>
<table>
<%
while(rs.next()){//取得下一条记录
String account=rs.getString("account");
String password=rs.getString("password");
%>
<tr><td align="center">你的账号：</td><td><%=id %></td></tr>
<tr><td align="center">你的账号：</td><td><%=pw %></td></tr>
<%} %>
</table>
</form>
<%
}catch(java.sql.SQLException e){
out.println(e.toString());
}finally{
if(rs!=null)try{rs.close();}catch(java.sql.SQLException e1){
out.println(e1.toString());
}finally{
try{
if(sm!=null)
sm.close();
}catch(java.sql.SQLException e2){
out.println(e2.toString());
}finally{
try{
if(conn!=null)
conn.close();
}catch(java.sql.SQLException e3){
out.println(e3.toString());
}
}
}
index.jsp页面
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<title>在线购物系统-用户登录入口</title>
<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
<meta http-equiv="description" content="this is my page">
<meta http-equiv="content-type" content="text/html; charset=UTF-8">
<script language="javascript">
function datacheck(){
if(login.username.value==""){
alert("用户名不能为空...");
return false;
}
if(login.password.value==""){
alert("用户密码不能为空...");
return false;
}
}
</script>
</head>
<body>
<center>
<p>
用户登录入口
<p>
<form name="login" action="submit.jsp" method="post">
用户账号：<input name="account" type="text" value=""/><br><br>
用户密码：<input name="password" type="password" value="" />
<p>
<input name="submit" type="submit" value="提交" onclick="return datacheck();"/>
<input name="reset" type="reset" value="重置">
</form>
</center>
</body>
</html>
submit.jsp页面、
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<% java.sql.Connection conn=null;
java.lang.String strConn;
java.sql.Statement sm=null;
java.sql.ResultSet rs=null;
try{
Class.forName("org.gjt.mm.mysql.Driver");
conn=java.sql.DriverManager.getConnection("jdbc:musql://localhost/user","root","");
sm=conn.createStatement();
String id=request.getParameter("account");
String pw=request.getParameter("password");
String sql="insert into user_info values('"+id+"','"+pw+"')";
String sql1="select * from user_info";
//执行SQL语句
sm.executeUpdate(sql);
rs=sm.executeQuery(sql1);
%>
<center>用户信息表</center>
<form>
<table>
<%
while(rs.next()){//取得下一条记录
String account=rs.getString("account");
String password=rs.getString("password");
%>
<tr><td align="center">你的账号：</td><td><%=id %></td></tr>
<tr><td align="center">你的账号：</td><td><%=pw %></td></tr>
<%} %>
</table>
</form>
<%
}catch(java.sql.SQLException e){
out.println(e.toString());
}finally{
if(rs!=null)try{rs.close();}catch(java.sql.SQLException e1){
out.println(e1.toString());
}finally{
try{
if(sm!=null)
sm.close();
}catch(java.sql.SQLException e2){
out.println(e2.toString());
}finally{
try{
if(conn!=null)
conn.close();
}catch(java.sql.SQLException e3){
out.println(e3.toString());
}
}
}
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