<%@page import="java.sql.*"%>
<%@page import="java.sql.ResultSet"%>
<%@page import="com.wdq.Utils.ConnectionMySql"%>
<%@page import="java.sql.Connection"%>
<%@page import="java.util.ArrayList"%>
<%@page import="java.util.List"%>
<%@page import="com.wdq.Users.*"%>
<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<link href="css/form_style.css" rel='stylesheet' type='text/css' />
</head>
<body>
<%
List<Students> studentList = new ArrayList<>();//创建List集合接收数据库数据
Connection con = new com.wdq.Utils.ConnectionMySql().getCon(); //获取数据库连接返回的Connection对象
ResultSet rs = null;//存放的结果集
Statement pstmt = null;
pstmt = con.createStatement();
String sql = "select * from student";//执行查询的Sql语句
try{
rs = pstmt.executeQuery(sql);
while(rs.next()){
Students student = new Students();
student.setId(rs.getInt(1));
student.setStuId(rs.getString(2));
student.setStuName(rs.getString(3));
student.setGender(rs.getString(4));
student.setBalance(rs.getFloat(5));
student.setTel(rs.getString(6));
student.setMajor(rs.getString(7));
studentList.add(student);
}
}catch(Exception e){
System.err.print("查询失败!
");
}
%>
<li>
<label>请选择学生</label>
<select name="studentId">
<%
int len = studentList.size();
for(int i=0;i<len;i++){ %>
<option><%=studentList.get(i).getStuName() %></option>
<% }%>
</select>
</li>
</body>