显示出所有留言信息，后期为了方便删记录用。
<%@ page language="java" contentType="text/html; charset=UTF-8"pageEncoding="UTF-8"%>
<%@ page import="java.util.Date" %>
<%@ page import="java.text.SimpleDateFormat" %>
<%@page import="temperature.*,java.sql.*,java.util.*,java.io.*,message.*" %> <%!
List<Message> getMessages() throws Exception{List<Message> list=new ArrayList<Message>();Class.forName("com.mysql.cj.jdbc.Driver");String url="jdbc:mysql://mysql.sqlpub.com:3306/huangjin";Connection cn=DriverManager.getConnection(url,"laocooon","fc12f7a5215e8e0a"); PreparedStatement pstmt=cn.prepareStatement("SELECT * FROM message");ResultSet rs= pstmt.executeQuery();while(rs.next()){Message message=new Message(rs.getString(2),rs.getString(3),rs.getString(4));message.setId(rs.getInt(1));list.add(message);}pstmt.close();cn.close();return list;
}%> <!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>管理留言</title>
<link href="./css/mycss.css" rel="stylesheet" type="text/css" />
</head>
<body>
<p style="text-align: center;font-size:24px;">管理留言</p>
<%for(int i=0;i<3;i++) {%>
<div class="d1"><div class="d11">作者:</div><div class="d22">#</div><div class="d33">内容</div><div class="d44">发布日期:</div><div class="d55">删除</div>
</div>
<br>
<%} %><%
List<Message> list=getMessages();
for(Message m:list){out.println(m+"<br>");
}
%></body>
</html>
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覆盖优化 - 附代码)
