package com.service;
import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.SQLException;
import com.model.Test;
public class Userservice {
private Connection conn;
private PreparedStatement pstmt;
public Userservice() {
conn=new com.conn.Conn().getCon();
}
public boolean addUser(Test user) {
try {
pstmt=conn.prepareStatement("insert into test1"+"(username,password,gender,name,number,email,school,department,team,year,address,remarks)"+"values(?,?,?,?,?,?,?,?,?,?,?,?)");
pstmt.setString(1,user.getName());
pstmt.setString(2,user.getPassword());
pstmt.setByte(3,user.getGender());
pstmt.setString(4,user.getName());
pstmt.setInt(5,user.getNumber());
pstmt.setString(6,user.getEmail());
pstmt.setString(7,user.getSchool());
pstmt.setString(8,user.getDepartment());
pstmt.setString(9,user.getTeam());
pstmt.setString(10,user.getYear());
pstmt.setString(11,user.getAddress());
pstmt.setString(12,user.getRemarks());
pstmt.executeUpdate();
return true;
}catch(SQLException e) {
e.printStackTrace();
return false;
}
}
}
package com.test;
import com.conn.Conn;
public class Test {
public static void main(String[] args) {
new Conn().getCon();
}
}
<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%>
<!DOCTYPE html PUBLIC "- //W3C..DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>201835635</title>
</head>
<body>
<form action="NewFile_result.jsp" >
<table align="center">
<tr>
<td>登录账号</td>
<td><input type="text" name="username" pattern="[\w]{6,12}"></td>
</tr>
<tr>
<td>登录密码</td>
<td><input type="password" name="password" id="password" pattern="[a-zA-Z0-9_-]{8}"></td>
</tr>
<tr>
<td align="right">性别</td>
<td><input type="radio" name="gender" checked value="1">男 <input type="radio" name="xb" value="0">女</td>
</tr>
<tr>
<td align="right">姓名</td>
<td><input type="text" name="name"></td>
</tr>
<tr>
<td align="right">学号</td>
<td><input type="text" name="number" pattern="2018+[0-9]{4}"></td>
</tr>
<tr>
<td>电子邮箱</td>
<td><input type="text" name="email" pattern="^[a-zA-Z0-9_-]+@[a-zA-Z0-9_-]+(\.[a-zA-Z0-9_-]+)+$"></td>
</tr>
<tr>
<td>所在学校</td>
<td><input type="text" name="school"></td>
</tr>
<tr>
<td align="right">所在系</td>
<td><input type="text" name="department"></td>
</tr>
<tr>
<td>所在班级</td>
<td><input type="text" name="team"></td>
</tr>
<tr>
<td>入学年份</td>
<td><select name="year">
<option>2016</option>
<option>2017</option>
<option>2018</option>
<option>2019</option>
</select>
</td>
</tr>
<tr>
<td>生源地</td>
<td><input type="text" name="address"><td>
</tr>
<tr>
<td>备注</td>
<td><textarea rows="3" cols="20" name="remarks"></textarea><td>
</tr>
<tr>
<td></td>
<td><input type="submit" value="提交"><td>
</tr>
</table>
</form>
</body>
</html>
<%@ page language="java" import="com.model.Test" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%>
<!DOCTYPE html PUBLIC "- //W3C..DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>20183635</title>
</head>
<body>
<%request.setCharacterEncoding("utf-8"); %>
<jsp:useBean id="user" class="com.model.Test"></jsp:useBean>
<jsp:useBean id="userservice" class="com.service.Userservice"></jsp:useBean>
<jsp:setProperty property="*" name="user"/>
<%
if(userservice.addUser(user))
out.print("success");
else
out.print("failure");
%>
</body>
</html>
今天的连接数据库测试,本来很早就完成了任务,但是一直是出现404错误。导致我卡了很长的时间,最后终于发现,原来是没有 mysql-connector-java 这种低级的错误,以后要吸取教训