添加任意学生的提交页面

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------------------insert_stu_2.tijiao.jsp--------------

<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<html>
<head> <title>添加任意学生的提交页面</title> </head>
<body>
<form action= "insert_stu_2.jsp" method="post">
<table border="0" width="238" height="252">
<tr> <td>学号</td> <td><input type="text" name="id"></td></tr>
<tr> <td>姓名</td> <td><input type="text" name="name"></td></tr>
<tr> <td>性别</td> <td><input type="text" name="sex"></td></tr>
<tr> <td>年龄</td> <td><input type="text" name="age"></td></tr>
<tr> <td>体重</td> <td><input type="text" name="weight"></td></tr>
<tr> <td>身高</td> <td><input type="text" name="hight"></td></tr>
<tr align="center">
<td colspan="2">
<input type="submit" value="提交">    
<input type="reset" value="取消">
</td>
</tr>
</table>
</form>
</body>
</html>

--------insert_stu_2.jsp----------

<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%@ page import="java.sql.*"%>
<html>
<head> <title>利用PreparedStatement对象添加一条记录页面</title></head>
<body>
<%
Class.forName("com.microsoft.sqlserver.jdbc.SQLServerDriver");// 加载数据库驱动，注册到驱动管理器
String url = "jdbc:sqlserver://localhost:1433;databaseName=student";// 数据库连接字符串
String username = "sa"; // 数据库用户名
String password = "123456"; // 数据库密码
Connection conn = DriverManager.getConnection(url,username,password);
String sql="Insert into stu_info(id,name,sex,age,weight,hight) values(?,?,?,?,?,?)";
PreparedStatement pstmt= conn.prepareStatement(sql);
request.setCharacterEncoding("UTF-8");
int id=Integer.parseInt(request.getParameter("id"));
String name=request.getParameter("name");
String sex=request.getParameter("sex");
int age=Integer.parseInt(request.getParameter("age"));
float weight=Float.parseFloat(request.getParameter("weight"));
float hight=Float.parseFloat(request.getParameter("hight"));
pstmt.setInt(1,id);
pstmt.setString(2,name);
pstmt.setString(3,sex);
pstmt.setInt(4,age);
pstmt.setFloat(5,weight);
pstmt.setFloat(6,hight);
int n=pstmt.executeUpdate();
if(n==1){%> 数据插入操作成功！ <br> <%}
else{%> 数据插入操作失败！ <br> <%}
if(pstmt!=null){pstmt.close();}
if(conn!=null){conn.close();} %>
</body>
</html>

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