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package com.gd.servlet; import java.io.IOException; import java.io.PrintWriter; import javax.servlet.ServletException; import javax.servlet.http.HttpS 阅读全文
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<%@page import="com.gd.dao.MsgDao"%> <%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%> <!DOCTYPE html> <html> <he 阅读全文
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package com.gd.dao; import java.sql.Connection; import java.sql.DriverManager; import java.sql.PreparedStatement; import java.sql.ResultSet; import ja 阅读全文
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package zhuce2; import java.sql.Connection; import java.sql.DriverManager; import java.sql.SQLException; public class DbUtil { static { try { Class.fo 阅读全文
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1.做一个图书类Book id,name,price ,get,set访问器，构造方法2个，1个无参，1个有参做一个测试类，在main中创建3个图书对象，放到list集合中。做一个菜单，可以添加，删除，修改，查询 package demo2; import java.util.ArrayList; 阅读全文
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1. <%-- Created by IntelliJ IDEA. User: 97442 Date: 2022/4/24 Time: 20:05 To change this template use File | Settings | File Templates. --%> <%@ page 阅读全文
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1. <%@ page contentType="text/html;charset=UTF-8" language="java" %> <html> <head> <title>$Title$</title> </head> <body> <% double price = 98.78; %> < 阅读全文
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1. <%-- Created by IntelliJ IDEA. User: 97442 Date: 2022/3/21 Time: 16:13 To change this template use File | Settings | File Templates. --%> <%@ page 阅读全文
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1.任务一、教材P39实验3 <%-- Created by IntelliJ IDEA. User: 97442 Date: 2022/3/21 Time: 16:13 To change this template use File | Settings | File Templates. -- 阅读全文
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1.环境搭建,运行出来一个JSP页面,显式hello <%-- Created by IntelliJ IDEA. User: 97442 Date: 2022/3/21 Time: 16:13 To change this template use File | Settings | File T 阅读全文