最简单的查找操作，一个.jsp文件就可以搞定

如题，上次发表了一篇添加操作的博客，后来我左思右想还是旧的把查找发出来

毕竟跟着王老师一开始都是先学查找再学添加的嘛

废话就不多说了；客官，上菜喽

<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%>
<%@ page import ="java.sql.*"%>

<!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>课程查询</title>
</head>
<body>
<center>

<form action="" method="post">

<p style="height: 20px; border: 1px solid red;text-align: center;">课程查询</p>

<p>请输入查询的课程名称：<input type="text" name="name"><p/>
<p>请输入查询的任课老师：<input type="text" name="wheres"><p/>
<p>请输入查询的上课地点：<input type="text" name="whens"><p/>

<input type="submit" name="submit" value="查询">

</form>

</center>

<%
        request.setCharacterEncoding("UTF-8");
        String name = request.getParameter("name");

        if(name!=null){
        Class.forName("com.mysql.jdbc.Driver");
        Connection conn = DriverManager.getConnection("jdbc:mysql://localhost:3306/test?useSSL=false&allowPublicKeyRetrieval=true&serverTimezone=UTC","root","mysql26331");
        Statement st = conn.createStatement();
        ResultSet rs = st.executeQuery("select * from kebiao where clas='" + name + "'");
        
        out.print("<center>");
        while (rs.next()) {
        out.println("<td>" + "课程名称：" + rs.getString("clas") + "<p/>");
        out.println("<td>" + "任课老师：" + rs.getString("teacher") + "<p/>");
        out.println("<td>" + "上课地点：" + rs.getString("wheres") + "<p/>");
        out.println("<td>" + "上课时间：" + rs.getString("whens") + "<p/>");
        }
        out.print("</center>");
        
        rs.close();
        st.close();
        conn.close();
        }
        %>

</body>
</html>