[Java知识库]Java项目：JavaWeb实现网上图书商城系统

项目编号：BS-SC-010

开发工具：IDEA / ECLIPSE

数据库：MYSQL5.7

应用服务器：TOMCAT8.5.31

JDK: 1.8

开发技术：JSP/SERVLET/JDBC

前端页面: css+jquery

本项目主要实现了基于JavaWeb开发而成的一套以图书为主打商品的网上书店商城系统。系统功能完整，页面简洁大方，适合做毕业设计或课程设计使用。

下面展示一下系统的部分功能：

前端页面展示：

首页

商城用户注册

前台用户登陆

添加购物车

结算

查看个人订单

在线留言功能

后台管理系统

用户管理

商品分类管理

商品管理

后台订单管理

修改订单配送状态

留言管理

新闻管理

以上就是展示的本网上图书商城系统的部分功能，系统功能完整，页面简洁大方，适合做毕业设计或课程设计使用。

部分实现代码：

package com.hr.manage;

import java.io.IOException;
import java.util.ArrayList;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import com.hr.dao.EASYBUY_COMMENTDao;
import com.hr.entity.EASYBUY_COMMENT;

public class ChaManage extends HttpServlet {
?? ?@Override
?? ?protected void service(HttpServletRequest req, HttpServletResponse resp)
?? ??? ??? ?throws ServletException, IOException {
??? ??? ?ArrayList<EASYBUY_COMMENT> list = EASYBUY_COMMENTDao.selectAll();
??? ??? ?//寄包裹
??? ? ?? ?req.setAttribute("list", list);
??? ??? ?//转发
??? ? ?? ?req.getRequestDispatcher("guestbook.jsp").forward(req,resp);
??? ?}
}
?

package com.hr.manage;

import java.io.IOException;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import com.hr.dao.EASYBUY_COMMENTDao;

public class DelManage extends HttpServlet {
?? ?@Override
?? ?protected void service(HttpServletRequest request, HttpServletResponse response)
?? ??? ??? ?throws ServletException, IOException {
?? ??? ?request.setCharacterEncoding("utf-8");
?? ??? ?response.setContentType("text/html;charset=utf-8");
?? ??? ?
?? ??? ?int id=Integer.parseInt(request.getParameter("id"));
?? ??? ?int num=EASYBUY_COMMENTDao.del(id);
?? ??? ?if(num>0){
?? ??? ??? ?response.sendRedirect("manage-result.jsp");
?? ??? ??? ?//response.getWriter().print("<script>alert('删除成功!');history.back();<script>");
?? ??? ?}else{
?? ??? ??? ?response.getWriter().print("<script>alert('删除失败!');location.href='SelManage'<script>");
?? ??? ?}
?? ?}
}
?

package com.hr.manage;

import java.io.IOException;
import java.util.ArrayList;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import com.hr.dao.EASYBUY_COMMENTDao;
import com.hr.entity.EASYBUY_COMMENT;

public class SelManage extends HttpServlet {
?? ?@Override
?? ?protected void service(HttpServletRequest req, HttpServletResponse resp)
?? ??? ??? ?throws ServletException, IOException {
?? ??? ?//编码
?? ??? ?req.setCharacterEncoding("utf-8");
?? ??? ?resp.setContentType("text/html;charset=utf-8");
?? ??? ?int page=1; //当前页数
?? ??? ?int pagesize=6;//每页行数
?? ??? ?String spage=req.getParameter("page");
?? ??? ?if(spage!=null){ //如果页面上传递了页数,将当前页数改变掉
?? ??? ??? ?page=Integer.parseInt(spage);
?? ??? ?
?? ??? ?}
?? ??? ?//查出总页数
?? ??? ?ArrayList<EASYBUY_COMMENT> list=EASYBUY_COMMENTDao.selPage(page, pagesize);
?? ??? ?int max_page=EASYBUY_COMMENTDao.getMax(pagesize);
?? ??? ?if(list.size()>0&&max_page>0){?
?? ??? ??? ?req.setAttribute("list", list);
?? ??? ??? ?//把总页数传递给guestbook.jsp 使用
?? ??? ??? ?req.setAttribute("max_page", max_page);
?? ??? ??? ?//把当前页数传递给guestbook.jsp使用
?? ??? ??? ?req.setAttribute("page", page);
?? ??? ??? ?// 跳
?? ??? ? ?? ?req.getRequestDispatcher("guestbook.jsp").forward(req,resp);
?? ??? ?}else{
?? ??? ??? ?resp.getWriter().print("还没有留言信息哦！");
?? ??? ?}
?
?? ?
?? ?}
?
}
?

package com.hr.manage;

import java.io.IOException;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import com.hr.dao.EASYBUY_COMMENTDao;
import com.hr.entity.EASYBUY_COMMENT;

public class UpdateManage extends HttpServlet {
?? ?@Override
?? ?protected void service(HttpServletRequest request, HttpServletResponse response)
?? ??? ??? ?throws ServletException, IOException {
?? ??? ?request.setCharacterEncoding("utf-8");
?? ??? ?response.setContentType("text/html;charset=utf-8");
?? ??? ?
?? ??? ?int id=Integer.parseInt(request.getParameter("id"));
?? ??? ?EASYBUY_COMMENT comment=EASYBUY_COMMENTDao.selOne(id);
?? ??? ?if(comment!=null){
?? ??? ??? ?request.setAttribute("list",comment);
?? ??? ??? ?request.getRequestDispatcher("guestbook-modify.jsp").forward(request, response);
?? ??? ?}else{
?? ??? ??? ?response.getWriter().print("<script>alert('查询失败！');history.back();</script>");
?? ??? ?}
?? ?}
}
?

package com.hr.manage;

import java.io.IOException;
import java.text.SimpleDateFormat;
import java.util.Date;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import com.hr.dao.EASYBUY_COMMENTDao;
import com.hr.entity.EASYBUY_COMMENT;

public class UpManage extends HttpServlet {
?? ?@Override
?? ?protected void service(HttpServletRequest request, HttpServletResponse response)
?? ??? ??? ?throws ServletException, IOException {
?? ??? ?request.setCharacterEncoding("utf-8");
?? ??? ?response.setContentType("text/html;charset=utf-8");
?? ??? ?int id=Integer.parseInt(request.getParameter("orderId"));
?? ??? ?String name=request.getParameter("name");
?? ??? ?String replyContent=request.getParameter("replyContent");
?? ??? ?String Content=request.getParameter("Content");
?? ??? ?Date date=new Date();
?? ??? ?System.out.println(Content);
?? ??? ?SimpleDateFormat sdf=new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
?? ??? ?String replyTime=sdf.format(date);
?? ??? ?EASYBUY_COMMENT comment=new EASYBUY_COMMENT(id,Content,replyTime,replyContent,replyTime,name);
?? ??
?? ??? ?//System.out.println(id+"--"+content+"--"+replyTime+"--"+replyContent+"--"+name);
?? ??? ?comment.setEC_ID(id);
?? ??? ?int num=EASYBUY_COMMENTDao.update(comment);
?? ??? ?if(num>0){
?? ??? ??? ?response.sendRedirect("manage-result.jsp");
?? ??? ?}else{
?? ??? ??? ?response.getWriter().print("<script>alert('更新失败！');history.back();</script>");
?? ??? ?}
?? ?}
}
?