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package com.dmk.servlet; import java.io.IOException; import javax.servlet.ServletException; import javax.servlet.annotation.WebServlet; import javax.s 阅读全文
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import java.sql.Connection; import java.sql.PreparedStatement; import java.sql.ResultSet; import java.sql.SQLException; import java.util.ArrayList; im 阅读全文
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package com.dmk.dao; import java.sql.Connection; import java.sql.PreparedStatement; import java.sql.ResultSet; import java.sql.SQLException; import co 阅读全文
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<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%> <!DOCTYPE HTML> <html> <head> <meta charset="utf-8"> <title>My JSP 'index.jsp' st 阅读全文
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package com.dmk; public class Book { private String id; private String name; private double price; public Book() { } public Book(String id, String nam 阅读全文
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<%-- Created by IntelliJ IDEA. User: 97442 Date: 2022/4/24 Time: 20:05 To change this template use File | Settings | File Templates. --%> <%@ page con 阅读全文
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1. <%@ page language="java" import="java.util.*" pageEncoding="utf-8"%> <!DOCTYPE HTML> <html> <head> <title>首页</title> </head> <body bgcolor="#ffccff 阅读全文
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1. <body> <h2></h2> <form action="chuan.jsp" method="post"> <table> <tr> <td>用户名 :</td> <td><input type="text"name="name"></td> </tr> <tr> <td height= 阅读全文
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1. 当前时间为: <% Date d = new Date();//获取系统时间 SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");//设置时间格式 out.print(sdf.format(d)+"</br>") 阅读全文
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1.三个界面,界面1点击按钮使用显式意图开启界面2.界面2点击按钮隐式意图开启界面3 在界面1做一个按钮开启浏览器访问百度 package com.example.zuoye; import androidx.appcompat.app.AppCompatActivity; import andro 阅读全文