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原创 Java经典算法

没事无聊闲,写一下Java的经典算法我们最常见的冒泡排序法//冒泡排序public class maopaopaixu { public static void main(String[] args) { int[] arry = { 34, 54, 6, 87, 98, 54, 359, 1 }; int jh = 0; int bj = 0; for (int ...

2020-02-24 20:29:05 112

原创 Javaweb制定的订餐系统+jsp+servlet+Java+MySQL

订餐系统结构登录界面商品界面详细商品界面购物车列表界面下单界面10.订单成功界面package com.orderonline.db;import java.sql.Connection;import java.sql.DriverManager;import java.sql.PreparedStatement;import java.sql.Resul...

2020-02-24 17:30:17 4780 26

原创 初学者必须知道的Java基础

《Java基础知识总结笔记》个人学习总结的笔记,希望可以帮助你们学习。Java笔记源码下载链接:https://pan.baidu.com/s/16Aeh0y6Tp7fHlYyPdHZWaQ提取码:oqlb举个例:抽象类package 抽象类;//抽象关键字abstract修饰符public abstract class Animal { abstract void playi...

2020-02-24 16:20:40 123

原创 前后端必备开发工具分享

Visual Studio 2010Visual Studio 是微软公司推出的开发环境。是目前最流行的 Windows 平台应用程序开发环境。Visual Studio 2010,代号为"Hawaii",已于2010年4月12日上市。Visual Studio 2010 下载连接链接:https://pan.baidu.com/s/1MjbunZaaQiGvUMEPP03jqA提取码:...

2020-02-24 15:35:01 995

原创 2021-04-07

好久没来热闹了。

2021-04-07 15:36:28 141

原创 Java使用支付宝接口-demo案例源码架包一起(jsp+servlet)

今天用Java的servlet和jsp测试支付宝接口案例主要jaralipay-sdk-java-4.10.58.ALL.jar其次commons-logging-api-1.1.jarfastjson-1.2.72.jar代码如下项目结构package zhifubao.servletTest;import java.io.IOException;import java.io.PrintWriter;import javax.servlet.ServletException

2020-07-17 18:39:49 593

原创 Java抓包JpcapCaptor笔记及源码

Java抓包JpcapCaptor笔记及源码package test6;import java.io.IOException;import jpcap.JpcapCaptor;import jpcap.NetworkInterface;import jpcap.PacketReceiver;import jpcap.packet.ARPPacket;import jpcap.packet.IPPacket;import jpcap.packet.Packet;import jpcap.

2020-07-12 18:27:10 702 1

原创 spring的配置说明和属性抽取 ref注入属性及parent属性继承,实例1

实体类package indi.yxq.spring.entity;public class User { private Integer user_id; private String user_name; public User() { System.out.println("User类构造方法"); } public void setUser_id(Integer use...

2020-02-27 20:22:15 488

原创 Failed to load ApplicationContext找半小时原来是路径不对

找半小时原来是路径不对java.lang.IllegalStateException: Failed to load ApplicationContext at org.springframework.test.context.cache.DefaultCacheAwareContextLoaderDelegate.loadContext(DefaultCacheAwareContextLoa...

2020-02-26 05:42:50 219

原创 我的第一个spring程序

标题创建pojo项目首先要引入 spring的JAR包commons-logging-1.2.jarspring-aop-4.2.4.RELEASE.jarspring-beans-4.2.4.RELEASE.jarspring-context-4.2.4.RELEASE.jarspring-core-4.2.4.RELEASE.jarspring-expression-4.2.4....

2020-02-26 04:03:24 715

原创 jQuery制作火柴人游戏源码

提供代码鉴阅及源码下载下载源码链接:链接:https://pan.baidu.com/s/16U4C8FJk8cVwqn6Q0ciwkA提取码:iqwg<!DOCTYPE html><html> <style type="text/css"> </style> <head> <meta charset="utf...

2020-02-25 21:21:38 1762 1

原创 Mysql建数据库建表语法实践

创建数据库表DROP DATABASE IF EXISTS `food_db`;CREATE DATABASE IF NOT EXISTS `food_db` DEFAULT CHARACTER SET utf8;use food_db; ##使用数据库;/*=============================================================...

2020-02-25 20:48:37 171

原创 Java框架集合

1.ArrayList()import java.util.ArrayList;import java.util.Scanner;public class Test2 { public static void main(String[] args) { Scanner input = new Scanner(System.in); ArrayList<String&gt...

2020-02-24 23:06:49 180 1

原创 Java面向对象编程+jdbc连接MySQL+日志Log4j 《项目搜搜移动大厅》

数据库连接类:DBHelppackage DBHelp;import java.sql.Connection;import java.sql.DriverManager;import java.sql.SQLException;public class DBHelp { /**驱动程序名*/ private static final String driver = "c...

2020-02-24 22:50:45 518

原创 Java面向对象编程---租车系统项目

测试类Testpackage dididache;import java.util.Random;import java.util.Scanner;public class Test { /**———————————公有属性区——————————————————————————————————————————————————————————————————————*/ /**声明初...

2020-02-24 22:30:24 880

原创 MySQL连接Java编写通用查询和通用增删改+log4j

数据库连接类DBHelppackage com.bbs.db;import java.io.IOException;import java.io.InputStream;import java.lang.reflect.Field;import java.sql.Connection;import java.sql.DriverManager;import java.sql.Res...

2020-02-24 21:50:00 192

原创 Java Web-订餐系统分享项目 jsp+servlet+java+MySQL+带数据库语法

订餐系统架构下载源码链接:https://pan.baidu.com/s/1vldCXtOONd3HfY5qBjiTJg提取码:mf2s代码实现package com.orderonline.db;import java.sql.Connection;import java.sql.DriverManager;import java.sql.PreparedStatement;...

2020-02-24 20:34:55 2260 5

原创 My first one BoKe

感觉不错,以后就来这里写笔记。

2020-02-24 14:02:01 116

zhifuba-demo.rar

Java使用支付宝接口-demo案例源码架包一起(jsp+servlet) package zhifubao.servletTest; import java.io.IOException; import java.io.PrintWriter; import javax.servlet.ServletException; import javax.servlet.annotation.WebServlet; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import com.alipay.api.AlipayApiException; import zhifubao.service.order.OrderController; /** * @author YXqiang */ @WebServlet(description = "支付宝测试支付功能", urlPatterns = { "/mydo" }) public class zhifubaoServlet extends HttpServlet { private static final long serialVersionUID = 1L; @Override protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException { // TODO Auto-generated method stub doPost(req, resp); } @Override protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException { req.setCharacterEncoding("utf-8"); //String outTradeNo, String subject, String totalAmount, String body System.out.println(req.getParameter("outTradeNo"));//交易编号 System.out.println(req.getParameter("subject"));//商品 System.out.println(req.getParameter("totalAmount"));//总价 System.out.println(req.getParameter("body"));//商品描述信息 String outTradeNo, subject, totalAmount, body; outTradeNo=req.getParameter("outTradeNo"); subject=req.getParameter("subject"); totalAmount=req.getParameter("totalAmount"); body=req.getParameter("body"); OrderController order=new OrderController(); try { String formestr =order.alipay(outTradeNo, subject, totalAmount, body); req.setAttribute("mycalls", formestr); req.getRequestDispatcher("main.jsp").forward(req, resp); } catch (AlipayApiException e) { // TODO Auto-generated catch block e.printStackTrace(); } } }

2020-07-17

javazhuabaoshili.rar

Java抓包工具及测试实例源码package netPackage; /******************* * JpcapTip.java */ //import java.net.NetworkInterface; //import java.net.InetAddress; //import java.net.UnknownHostException; import java.io.BufferedWriter; import java.io.FileOutputStream; import java.io.OutputStreamWriter; import java.io.UnsupportedEncodingException; import jpcap.JpcapCaptor; import jpcap.NetworkInterface; import jpcap.NetworkInterfaceAddress; import jpcap.PacketReceiver; import jpcap.packet.ARPPacket; import jpcap.packet.ICMPPacket; import jpcap.packet.IPPacket; import jpcap.packet.Packet; import jpcap.packet.TCPPacket; import jpcap.packet.UDPPacket; public class NetPackage implements PacketReceiver { String result=""; int dst_port; String dst_ip =null; String src_ip =null; int src_port; @Override public void receivePacket(Packet packet) { /* 分析源IP地址和目的IP地址 */ /* 分析协议类型 */ if (packet.getClass().equals(IPPacket.class)) { System.out.println("协议类型 :IP协议"); IPPacket ipPacket = (IPPacket) packet; byte[] iph = ipPacket.option; String iphstr = new String(iph); System.out.println(iphstr); } if (packet.getClass().equals(ARPPacket.class)) { readHead(packet); System.out.println("协议类型 :ARP协议"); try { ARPPacket arpPacket = (ARPPacket) packet; System.out.println("源网卡MAC地址为 :" + arpPacket.getSenderHardwareAddress()); System.out.println("源IP地址为 :" + arpPacket.getSenderProtocolAddress()); src_ip = ""+arpPacket.getSenderProtocolAddress(); System.out.println("目的网卡MAC地址为 :" + arpPacket.getTargetHardwareAddress()); System.out.println("目的IP地址为 :" + arpPacket.getTargetProtocolAddress()); dst_ip = ""+arpPacket.getTargetProtocolAddress(); result+="协议类型 :ARP协议 \n"; result+="源网卡MAC地址为 :" + arpPacket.getSenderHardwareAddress()+"\n"; result+="目的网卡MAC地址为 :" + arpPacket.getTargetHardwareAddress()+"\n"; result+="源ip:"+src_ip+"\n"+"目的ip:"+dst_ip+"\n"; readData(packet); } catch (Exception e) { e.printStackTrace(); } } else if (packet.getClass().equals(UDPPacket.class)) { readHead(packet); System.out.println("协议类型 :UDP协议"); try { UDPPacket udpPacket = (UDPPacket) packet; System.out.println("源IP地址为 :" + udpPacket.src_ip); src_port = udpPacket.src_port; System.out.println("源端口为:" + src_port); System.out.println("目的IP地址为 :" + udpPacket.dst_ip); dst_port = udpPacket.dst_port; System.out.println("目的端口为:" + dst_port); dst_ip = ""+udpPacket.dst_ip; src_ip = ""+udpPacket.src_ip; result+="协议类型 :UDP协议 \n"; result+="源IP地址为 :" + udpPacket.src_ip+"\n" +"源端口为:" + src_port+"\n" +"目的IP地址为 :" + udpPacket.dst_ip+"\n" +"目的端口为:" + dst_port+"\n"; readData(packet); } catch (Exception e) { e.printStackTrace(); } } else if (packet.getClass().equals(TCPPacket.class)) { readHead(packet); System.out.println("协议类型 :TCP协议"); try { TCPPacket tcpPacket = (TCPPacket) packet; src_port = tcpPacket.src_port; System.out.println("源IP地址为 :" + tcpPacket.src_ip); System.out.println("源端口为:" + src_port); System.out.println("目的IP地址为 :" + tcpPacket.dst_ip); dst_port = tcpPacket.dst_port; System.out.println("目的端口为:" + dst_port); result+="协议类型 :TCP协议 \n"; result+="源IP地址为 :" + tcpPacket.src_ip+"\n" +"源端口为:" + src_port+"\n" +"目的IP地址为 :" + tcpPacket.dst_ip+"\n" +"目的端口为:" + dst_port+"\n"; readData(packet); } catch (Exception e) { e.printStackTrace(); } } else if (packet.getClass().equals(ICMPPacket.class)) { readHead(packet); System.out.println("协议类型 :ICMP协议"); result+="协议类型 :ICMP协议"+"\n"; readData(packet); } write(result); result=""; } public void readHead(Packet packet){ System.out.println("********************************************"); result+="********************************************"+"\n"; /* IP数据报报文头 */ byte[] l = packet.header; String str = ""; System.out.print("报文头 : "); for (int i = 0; i < l.length; i++) { int m = 0; m = l[i]; m = m << 24; m = m >>> 24; str = str + Integer.toHexString(m); } System.out.println(str); int d = l.length; System.out.println("首部长度 :" + (d * 8) + "bit"); result+="报文头 : "+str+"\n"; result+="首部长度 :" + (d * 8) + "bit"+"\n"; } public void readData(Packet packet){ /* IP数据报文数据 */ byte[] k = packet.data; System.out.println("packet.data的length="+k.length); if(k.length !=0) { String str1 = "", str2 = ""; System.out.print("数据 : "); for (int i = 0; i < k.length; i++) { try { str1 = new String(k, "gb2312");//utf-8 //str1=new String(str1.getBytes("gb2312"), "utf-8");//utf-8 } catch (UnsupportedEncodingException e) { } } try { str2 =new String(k, "gb2312");//gb2312 } catch (UnsupportedEncodingException e) { e.printStackTrace(); } System.out.print

2020-07-12

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