• jsp连接mysql数据库 ——查询


    <%@ page language="java" import="java.sql.*" pageEncoding="utf-8"%>
    <%@ page errorPage="error.jsp"%>
    <html>
    <head>
    <title>学生信息管理系统</title>
    <link rel="stylesheet" type="text/css" href="css/style.css">
    </head>
    <body>
        <h1>学生信息管理系统</h1>
        <a href="add.jsp">添加学生信息</a>
        <br />
        <br />
        <table style=" 50%;">
            <tr>
                <th>学号</th>
                <th>姓名</th>
                <th>性别</th>
                <th>出生日期</th>
                <th>地址</th>
                <th>管理</th>
            </tr>
            <%
                try {
                    Class.forName("com.mysql.cj.jdbc.Driver");
                    Connection con = DriverManager.getConnection("jdbc:mysql://localhost:3306/web_lab03?&useSSL=false&serverTimezone=UTC", "root", "password");
                    //使用Statement对象
                    Statement stmt = con.createStatement();
                    ResultSet rs = stmt.executeQuery("select * from student");
    
                    /*
                    PreparedStatement stmt = con.prepareStatement("select * from bookinfo");
                    ResultSet rs = stmt.executeQuery();
                    */
                    while (rs.next()) {
                        String uid = rs.getString(1);
                        out.println("<tr><td>" + rs.getString(1) + "</td><td>" + rs.getString(2) + "</td><td>" + rs.getString(3) + "</td><td>"
                                + rs.getString(4) + "</td><td>" + rs.getString(5) + "</td><td><a href='edit.jsp?uid=" + uid
                                + "'>修改</a>&nbsp;<a href='del.jsp?uid=" + uid + "'>删除</a></td></tr>");
                    }
                    rs.close();
                    stmt.close();
                    con.close();
                } catch (Exception e) {
                    out.println("Exception:" + e.getMessage());
                }
            %>    
        </table>
    </body>
    </html>
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  • 原文地址:https://www.cnblogs.com/Arisf/p/14819189.html
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