Java项目：JSP网上早餐外卖店管理系统

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项目介绍

本系统分为前后台，分为普通用户和管理员两种角色；

管理员角色包含以下功能：

管理员登录,用户管理,分类管理,菜品管理,订单管理等功能。

用户角色包含以下功能：
用户点餐首页,用户首页,查看菜品详情,提交订单,查看订单等功能。

环境需要

1.运行环境：最好是java jdk 1.8，我们在这个平台上运行的。其他版本理论上也可以。
2.IDE环境：IDEA，Eclipse,Myeclipse都可以。推荐IDEA;
3.tomcat环境：Tomcat 7.x,8.x,9.x版本均可
4.硬件环境：windows 7/8/10 1G内存以上；或者 Mac OS；

5.数据库：MySql 5.7版本；

6.是否Maven项目：否；

技术栈

JSP+CSS+JavaScript+java+servlet+mysql

使用说明

1. 使用Navicat或者其它工具，在mysql中创建对应名称的数据库，并导入项目的sql文件；
2. 使用IDEA/Eclipse/MyEclipse导入项目，Eclipse/MyEclipse导入时，若为maven项目请选择maven;
若为maven项目，导入成功后请执行maven clean;maven install命令，然后运行；
3. 将项目中src/com/hr/dao/Basedao.java配置文件中的数据库配置改为自己的配置;
4. 运行项目，输入http://localhost:8080/ 登录
管理员账号/密码：admin/admin

用户账号/密码：user/123456

运行截图

前台界面

后台界面

相关代码

gmServlet

package com.web.shopservlet;import java.io.IOException;
import java.io.PrintWriter;import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;import com.hr.dao.ESDao;
import com.hr.entity.EASYBUY_ORDER_DETAIL;
import com.hr.entity.EASYBUY_USER;
import com.hr.util.EncodeUtil;public class gmServlet extends HttpServlet {
@Override
protected void service(HttpServletRequest arg0, HttpServletResponse arg1)throws ServletException, IOException {arg1.setContentType("text/html;charset=utf-8");PrintWriter out=arg1.getWriter();EncodeUtil.encode(arg0);HttpSession session=arg0.getSession();EASYBUY_USER list=(EASYBUY_USER)session.getAttribute("name");//用户idString id=list.getEU_USER_ID();//用户姓名String name=list.getEU_USER_NAME();//用户地址String address=list.getEU_ADDRESS();//总价钱String price=arg0.getParameter("jstext");//商品idString [] EP_ID=arg0.getParameterValues("spID");//购买数量String [] quantity=arg0.getParameterValues("number");//商品单价String [] sPPrice=arg0.getParameterValues("sPPrice");//购买后对商品表的库存进行修改for(int i=0;i<EP_ID.length;i++){int count5=ESDao.updateStock(Integer.parseInt(quantity[i]),Integer.parseInt(EP_ID[i]));}//商品单个总价int [] pprice=new int[EP_ID.length];for(int i=0;i<EP_ID.length;i++){pprice[i]=Integer.parseInt(quantity[i])*Integer.parseInt(sPPrice[i]);} /得到序列//往订单表里添加数据int count=ESDao.insertDD(id, name, address,Integer.parseInt(price));int getSequenceId=ESDao.getSequenceId();//循环往订单详情添加for(int i=0;i<EP_ID.length;i++){EASYBUY_ORDER_DETAIL eod=new EASYBUY_ORDER_DETAIL(1,getSequenceId,Integer.parseInt(EP_ID[i]),Integer.parseInt(quantity[i]),pprice[i]);int count2=ESDao.eodInsert(eod);}// 开单后，修改购物车String [] esID=arg0.getParameterValues("esID");for(int i=0;i<esID.length;i++){int count3 =ESDao.esdelete(Integer.parseInt(esID[i]));}/if(count>0){out.print("<script>");out.print("alert('购物成功');");out.print("location.href='shopping-result.jsp';");out.print("</script>");out.close();}else{out.print("<script>");out.print("alert('购物失败，请重新选择商品');");out.print("location.href='ShopSelect';");out.print("</script>");out.close();}
}
}

ShopSelect

package com.web.shopservlet;//订单表数据的查询import java.io.IOException;
import java.io.PrintWriter;
import java.util.ArrayList;import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import com.hr.dao.ESDao;
import com.hr.entity.EASYBUY_USER;
import com.hr.entity.eb_shop;
import com.hr.util.EncodeUtil;public class ShopSelect extends HttpServlet {@Overrideprotected void service(HttpServletRequest arg0, HttpServletResponse arg1)throws ServletException, IOException {EncodeUtil.encode(arg0);arg1.setContentType("text/html;charset=utf-8");PrintWriter out = arg1.getWriter();HttpSession session=arg0.getSession();EASYBUY_USER userCZ=(EASYBUY_USER)session.getAttribute("name");if(userCZ!=null){
//          System.out.println("登录好了");EASYBUY_USER eu=(EASYBUY_USER)session.getAttribute("name");String id=(String)eu.getEU_USER_ID();ArrayList<eb_shop> list=ESDao.getShop(id);arg0.setAttribute("shoplist",list);arg0.getRequestDispatcher("shopping.jsp").forward(arg0, arg1);}else{out.print("<script>");out.print("alert('请先登录');");out.print("location.href='login.jsp';");out.print("</script>");out.close();}}
}

UpdateServlet

package com.web.shopservlet;import java.io.IOException;
import java.io.PrintWriter;import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;import com.hr.dao.ESDao;
import com.hr.entity.eb_shop;public class UpdateServlet extends HttpServlet {@Overrideprotected void service(HttpServletRequest arg0, HttpServletResponse arg1)throws ServletException, IOException {arg1.setContentType("text/html;charset=utf-8");PrintWriter out = arg1.getWriter();String str1=arg0.getParameter("pid");String str2=arg0.getParameter("action");String str3=arg0.getParameter("getvalue");if(str2.equals("jia")){int count=ESDao.updateJia(Integer.parseInt(str1));}if(str2.equals("jian")){int count=ESDao.updateJian(Integer.parseInt(str1));}if(str2.equals("closeText")){eb_shop es=new eb_shop(Integer.parseInt(str1), "1", "1", 1, Integer.parseInt(str3), 1, 1, "1", 1);int count=ESDao.updateClose(es);}if(str2.equals("delText")){int count=ESDao.getDeleteDD(Integer.parseInt(str1));}arg1.sendRedirect("ShopSelect");}
}

SelallServlet

package com.hr.Servlet;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 javax.servlet.http.HttpSession;import com.hr.dao.EASYBUY_COMMENTDao;
import com.hr.dao.EASYBUY_PRODUCT_CATEGORYDao;
import com.hr.entity.EASYBUY_PRODUCT_CATEGORY;
import com.hr.entity.EASYBUY_USER;
import com.hr.entity.EASYBUY_COMMENT;;
public class SelallServlet extends HttpServlet {@Overrideprotected void service(HttpServletRequest req, HttpServletResponse resp)throws ServletException, IOException {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");ArrayList<EASYBUY_PRODUCT_CATEGORY> flist = EASYBUY_PRODUCT_CATEGORYDao.selectFather();req.setAttribute("flist", flist);ArrayList<EASYBUY_PRODUCT_CATEGORY> clist = EASYBUY_PRODUCT_CATEGORYDao.selectChild();req.setAttribute("clist", clist);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("<script>alert('查询失败！');</script>");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);}}}

SelectDD

package com.hr.Servlet;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 javax.servlet.http.HttpSession;import com.hr.dao.EASYBUY_DdanDao;
import com.hr.dao.EASYBUY_NEWSDao;
import com.hr.dao.EASYBUY_PRODUCTDao;
import com.hr.dao.EASYBUY_PRODUCT_CATEGORYDao;
import com.hr.entity.EASYBUY_Ddan;
import com.hr.entity.EASYBUY_NEWS;
import com.hr.entity.EASYBUY_PRODUCT;
import com.hr.entity.EASYBUY_PRODUCT_CATEGORY;
import com.hr.util.EncodeUtil;public class SelectDD extends HttpServlet {
@Override
protected void service(HttpServletRequest req, HttpServletResponse resp)throws ServletException, IOException {req.setCharacterEncoding("UTF-8");//查询分类数据ArrayList<EASYBUY_PRODUCT_CATEGORY> flist = EASYBUY_PRODUCT_CATEGORYDao.selectFather();req.setAttribute("flist", flist);ArrayList<EASYBUY_PRODUCT_CATEGORY> clist = EASYBUY_PRODUCT_CATEGORYDao.selectChild();req.setAttribute("clist", clist);ArrayList<EASYBUY_PRODUCT> tlist = EASYBUY_PRODUCTDao.selectAllByT();req.setAttribute("tlist", tlist);ArrayList<EASYBUY_PRODUCT> hlist = EASYBUY_PRODUCTDao.selectAllByHot();req.setAttribute("hlist", hlist);ArrayList<EASYBUY_NEWS> nlist = EASYBUY_NEWSDao.selectAll();req.setAttribute("nlist", nlist);HttpSession session = req.getSession();//查询最近浏览的商品ArrayList<Integer> ids = (ArrayList<Integer>)session.getAttribute("ids");if(ids!=null){ArrayList<EASYBUY_PRODUCT> lastlylist = EASYBUY_PRODUCTDao.selectById(ids);req.setAttribute("lastlylist", lastlylist);}EncodeUtil.encode(req);String dd=req.getParameter("dd");ArrayList<EASYBUY_Ddan> dan=EASYBUY_DdanDao.selectById(dd);req.setAttribute("dan", dan);req.getRequestDispatcher("Dan.jsp").forward(req, resp);
}
}

SelectProductListServlet

package com.hr.Servlet;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 javax.servlet.http.HttpSession;import com.hr.dao.EASYBUY_PRODUCTDao;
import com.hr.dao.EASYBUY_PRODUCT_CATEGORYDao;
import com.hr.entity.EASYBUY_PRODUCT;
import com.hr.entity.EASYBUY_PRODUCT_CATEGORY;
import com.hr.util.EncodeUtil;public class SelectProductListServlet extends HttpServlet {@Overrideprotected void service(HttpServletRequest req, HttpServletResponse resp)throws ServletException, IOException {EncodeUtil.encode(req);ArrayList<EASYBUY_PRODUCT_CATEGORY> flist = EASYBUY_PRODUCT_CATEGORYDao.selectFather();req.setAttribute("flist", flist);ArrayList<EASYBUY_PRODUCT_CATEGORY> clist = EASYBUY_PRODUCT_CATEGORYDao.selectChild();req.setAttribute("clist", clist);HttpSession session = req.getSession();//查询最近浏览的商品ArrayList<Integer> ids = (ArrayList<Integer>)session.getAttribute("ids");if(ids!=null){ArrayList<EASYBUY_PRODUCT> lastlylist = EASYBUY_PRODUCTDao.selectById(ids);req.setAttribute("lastlylist", lastlylist);}int cpage = 1;//当前页数int count = 8;//每页行数String cp = req.getParameter("cp");if(cp!=null){//如果页面上传递了页数,将当前页数改变掉cpage = Integer.parseInt(cp);}//查出总页数int tpage = 0;String fid = req.getParameter("fid");String cid = req.getParameter("cid");String name = req.getParameter("name");ArrayList<EASYBUY_PRODUCT> list = null;if(fid==null&&cid==null){list = EASYBUY_PRODUCTDao.selectAll(cpage, count);req.setAttribute("title", "全部商品");tpage = EASYBUY_PRODUCTDao.totalPage(count);}if(fid!=null){int id = Integer.parseInt(fid);list = EASYBUY_PRODUCTDao.selectAllByFid(cpage, count, id);tpage = EASYBUY_PRODUCTDao.totalPageByFid(count, id);req.setAttribute("title", EASYBUY_PRODUCT_CATEGORYDao.selectById(id).getEPC_NAME());}if(cid!=null){int id = Integer.parseInt(cid);list = EASYBUY_PRODUCTDao.selectAllByCid(cpage, count, id);tpage = EASYBUY_PRODUCTDao.totalPageByCid(count, id);req.setAttribute("title", EASYBUY_PRODUCT_CATEGORYDao.selectById(id).getEPC_NAME());}if(name!=null){list = EASYBUY_PRODUCTDao.selectAllByName(name);tpage = EASYBUY_PRODUCTDao.totalPageByName(count, name);req.setAttribute("title", "搜索商品："+name);} req.setAttribute("list", list);//当前页数req.setAttribute("cpage", cpage);//总页数req.setAttribute("tpage", tpage);//搜索关键字req.setAttribute("search_words", name);//父分类req.setAttribute("selected_fid", fid);req.getRequestDispatcher("product-list.jsp").forward(req, resp);}
}

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