📄 register_deal.jsp
字号:
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>
<%@ page import="java.sql.*"%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<base href="<%=basePath%>">
<title>My JSP 'register_deal.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">
<!--
<link rel="stylesheet" type="text/css" href="styles.css">
-->
</head>
<body>
<%request.setCharacterEncoding("gb2312");
Class.forName("com.microsoft.jdbc.sqlserver.SQLServerDriver")
.newInstance();
String url = "jdbc:microsoft:sqlserver://localhost:1433;DatabaseName=bookshop";
Connection conn = DriverManager.getConnection(url, "sa", "123");
String username=request.getParameter("username");
String password=request.getParameter("password");
String email=request.getParameter("email");
Statement st = conn.createStatement();
ResultSet rs=st.executeQuery("select * from member where username='"+username+"'");
session.putValue("Username",username);
session.putValue("Password",password);
%>
<table width="100%" border="0" cellspacing="1" cellpadding="1" align="center">
<% if(rs.next()){%>
<tr bgcolor="E0E0E0" valign="top">
<td bgcolor="E0E0E0" align="center"><%out.println("用户名已存在,请重新注册");%></td>
</tr>
<tr bgcolor="E0E0E0" valign="top">
<td bgcolor="E0E0E0"><div align="center">
<input name="submit" type="button" value="确定" onClick="history.back(1);">
</div></td>
</tr>
<%}else{ String sql="Insert into member(username,psw,email) values('"+username+"','"+password+"','"+email+"')";
int ret=0;
ret=st.executeUpdate(sql);
if(ret!=0){
%>
<tr bgcolor="E0E0E0" valign="top">
<td bgcolor="E0E0E0" align="center"><%out.println("恭喜您，注册成功");%></td>
</tr>
<tr bgcolor="E0E0E0" valign="top">
<td bgcolor="E0E0E0"><div align="center">
<input name="submit" type="button" value="回到主页" onClick="window.location.href='index.jsp';">
</div></td>
</tr>
<%}
else{%>
<tr bgcolor="E0E0E0" valign="top">
<td bgcolor="E0E0E0" align="center"><%out.println("用户注册失败");%></td>
</tr>
<tr bgcolor="E0E0E0" valign="top">
<td bgcolor="E0E0E0"><div align="center">
<input name="submit" type="button" value="确定" onClick="history.back(1);">
</div></td>
</tr>
<%}}%>
</table>
</body>
</html>
⌨️ 快捷键说明
复制代码
Ctrl + C
搜索代码
Ctrl + F
全屏模式
F11
切换主题
Ctrl + Shift + D
显示快捷键
?
增大字号
Ctrl + =
减小字号
Ctrl + -