直接访问good.jsp未调用/gl显示预置的商品list
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 | <%@ page contentType="text/html; charset=UTF-8" %><%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c" %> <%@ taglib uri="http://java.sun.com/jsp/jstl/fmt" prefix="fmt"%> <!DOCTYPE html><html><head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width,initial-scale=1"> <title>商品列表</title> <link href="css/bootstrap.css" type="text/css" rel="stylesheet"> </link> <script type="text/javascript" src="js/jquery-1.11.1.min.js"></script> <script type="text/javascript" src="js/bootstrap.js"></script> <style type="text/css"> .pagination { margin: 0px } .pagination>li>a, .pagination>li>span { margin: 0 5px; border: 1px solid #dddddd; } .glyphicon { margin-right: 3px; } .form-control[readonly] { cursor: pointer; background-color: white; } #dlgPhoto .modal-body { text-align: center; } .preview { max-width: 500px; } </style> <script> $(function () { $("#btnAdd").click(function () { $('#dlgForm').modal() }); }) </script></head><body> <div class="container"> <div class="row"> <h1 style="text-align: center">IMOOC商品信息表</h1> <div class="panel panel-default"> <div class="clearfix panel-heading "> <div> <label class="form-inline"> <div class="form-group" style="width: 850px;"> <button class="btn btn-primary" id="btnAdd">新增 </button> </div> <div class="form-group pull-right"> <form action="/Gim/sg" method="post"> <input type="text" class="form-control" id="searchById" name="id" placeholder="根据商品id进行查询"> <button type="submit" class="btn btn-primary">查询</button> </form> </div> </label> </div> <table class="table table-bordered table-hover"> <thead> <c:if test="${applicationScope.idFlag== true }"> <h1 style='color:red'>不允许有重复商品编号，请新增商品！</h1> </c:if> <tr> <th>序号</th> <th>商品编号</th> <th>商品名称</th> <th>商品类别</th> <th>价格</th> <th>备注</th> <th> </th> </tr> <c:forEach items="${applicationScope.goods}" var ="good" varStatus="idx"> <tr> <th>${idx.index+1}</th> <th>${good.goodsId}</th> <th>${good.goodsName}</th> <th>${good.goodsType}</th> <th>￥<fmt:formatNumber value = "${good.price}" pattern="0,000.00"></fmt:formatNumber></th> <th>${good.goodsRemark}</th> <th> </th> </tr> </c:forEach> </thead> </table> </div> </div> </div> <!-- 表单 --> <div class="modal fade" tabindex="-1" role="dialog" id="dlgForm"> <div class="modal-dialog" role="document"> <div class="modal-content"> <div class="modal-header"> <button type="button" class="close" data-dismiss="modal" aria-label="Close"><span aria-hidden="true">×</span> </button> <h4 class="modal-title">新增商品</h4> </div> <div class="modal-body"> <form action="/Gim/create" method="post"> <div class="form-group"> <label>商品编号</label> <input type="text" name="goodsId" class="form-control" id="empno" placeholder="请输入商品编号" required> </div> <div class="form-group"> <label>商品名称</label> <input type="text" name="goodsName" class="form-control" id="ename" placeholder="请输入商品名称" required> </div> <div class="form-group"> <label>商品类别</label> <select id="gname" name="goodsType" class="form-control"> <option selected="selected">服装</option> <option value="家用">家用电器</option> <option value="生活">生活用品</option> </select> </div> <div class="form-group"> <label>价格</label> <input type="text" name="price" class="form-control" id="sal" placeholder="请输入价格" required> </div> <div class="form-group"> <label>备注</label> <input type="text" name="description" class="form-control" id="sal" placeholder="请输入备注" required> </div> <div class="form-group" style="text-align: center;"> <button type="submit" class="btn btn-primary">保存</button> </div> </form> </div> </div><!-- /.modal-content --> </div><!-- /.modal-dialog --> </div><!-- /.modal --></body></html> |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 | <%@ page contentType="text/html; charset=UTF-8" %><%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c" %> <%@ taglib uri="http://java.sun.com/jsp/jstl/fmt" prefix="fmt"%><!DOCTYPE html><html><head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width,initial-scale=1"> <title>商品信息</title> <link href="css/bootstrap.css" type="text/css" rel="stylesheet"> </link> <script type="text/javascript" src="js/jquery-1.11.1.min.js"></script> <script type="text/javascript" src="js/bootstrap.js"></script> <style type="text/css"> .pagination { margin: 0px } .pagination>li>a, .pagination>li>span { margin: 0 5px; border: 1px solid #dddddd; } .glyphicon { margin-right: 3px; } .form-control[readonly] { cursor: pointer; background-color: white; } #dlgPhoto .modal-body { text-align: center; } .preview { max-width: 500px; } </style></head><body> <button class="btn btn-primary" style="margin-left: 30px; margin-top: 40px;" onclick="javascript:history.back(-1);">返回</button> <div class="container"> <div class="row"> <h1 style="text-align: center">IMOOC商品信息表</h1> <table class="table table-bordered table-hover"> <thead> <tr> <th>商品编号</th> <th>商品名称</th> <th>商品类别</th> <th>价格</th> <th>备注</th> <th> </th> </tr> </thead> <tbody> <c:choose> <c:when test="${requestScope.error == 1}"> <h1 style='color:red'>输入错误</h1> </c:when> <c:when test="${applicationScope.flag == 2}"> <h1 style='color:red'>商品id不存在</h1> </c:when> <c:when test="${applicationScope.flag == 1}"> <tr> <th>${good1.goodsId}</th> <th>${good1.goodsName}</th> <th>${good1.goodsType}</th> <th>￥<fmt:formatNumber value = "${good1.price}" pattern="0,000.00"></fmt:formatNumber></th> <th>${good1.goodsRemark}</th> <th> </th> </tr> </c:when> </c:choose> </tbody> </table> </div> </div> </div></body></html> |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 | package com.imooc.gim;public class Goods { private Integer goodsId; private String goodsName; private String goodsType; private float price; private String goodsRemark; public Goods() { }public Goods(Integer goodsId, String goodsName, String goodsType, float price, String goodsRemark) {super();this.goodsId = goodsId;this.goodsName = goodsName;this.goodsType = goodsType;this.price = price;this.goodsRemark = goodsRemark;}public Integer getGoodsId() {return goodsId;}public void setGoodsId(Integer goodsId) {this.goodsId = goodsId;}public String getGoodsName() {return goodsName;}public void setGoodsName(String goodsName) {this.goodsName = goodsName;}public String getgoodsType() {return goodsType;}public void setgoodsType(String goodsType) {this.goodsType = goodsType;}public float getPrice() {return price;}public void setPrice(float price) {this.price = price;}public String getGoodsRemark() {return goodsRemark;}public void setGoodsRemark(String goodsRemark) {this.goodsRemark = goodsRemark;}@Overridepublic String toString() {return "Goods [goodsId=" + goodsId + ", goodsName=" + goodsName + ", goodsType=" + goodsType+ ", price=" + price + ", goodsRemark=" + goodsRemark + "]";} } |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 | package com.imooc.gim;import java.io.IOException;import java.util.List;import javax.servlet.ServletContext;import javax.servlet.ServletException;import javax.servlet.annotation.WebServlet;import javax.servlet.http.HttpServlet;import javax.servlet.http.HttpServletRequest;import javax.servlet.http.HttpServletResponse;/** * Servlet implementation class SearchGoodsByIdServlet */@WebServlet("/sg")public class SearchGoodsByIdServlet extends HttpServlet {private static final long serialVersionUID = 1L; /** * @see HttpServlet#HttpServlet() */ public SearchGoodsByIdServlet() { super(); // TODO Auto-generated constructor stub }/** * @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response) */protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {// TODO Auto-generated method stubdoPost(request, response);}/** * @param good * @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response) */protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { String id = request.getParameter("id"); ServletContext context=request.getServletContext(); context.getAttribute("goods"); List goodsList=(List)context.getAttribute("goods"); if(goodsList==null) { request.getRequestDispatcher("/gl").forward(request, response); } Boolean flag=false; Goods gooda=null; try { Integer goodsId = Integer.parseInt(id); for(int i=0; i<goodsList.size(); i++) { Integer id1 = ((Goods)goodsList.get(i)).getGoodsId(); if(id1.equals(goodsId) ) { gooda=(Goods) goodsList.get(i); flag=true; } } int flag1 =0; if(flag) { flag1 = 1; }else { flag1 = 2; } context.setAttribute("good1",gooda); context.setAttribute("flag",flag1); }catch(NumberFormatException e) { request.setAttribute("error", 1); request.getRequestDispatcher("/searchById.jsp").forward(request, response); } request.getRequestDispatcher("/searchById.jsp").forward(request, response); }} |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 | package com.imooc.gim;import java.io.IOException;import java.util.List;import javax.servlet.ServletContext;import javax.servlet.ServletException;import javax.servlet.annotation.WebServlet;import javax.servlet.http.HttpServlet;import javax.servlet.http.HttpServletRequest;import javax.servlet.http.HttpServletResponse;/** * Servlet implementation class GoodsAddServlet */@WebServlet("/create")public class GoodsAddServlet extends HttpServlet {private static final long serialVersionUID = 1L; /** * @see HttpServlet#HttpServlet() */ public GoodsAddServlet() { super(); // TODO Auto-generated constructor stub }/** * @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response) */protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {doPost(request, response);}/** * @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response) */protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {request.setCharacterEncoding("utf-8");String goodsId=request.getParameter("goodsId"); String goodsName=request.getParameter("goodsName"); String goodsType=request.getParameter("goodsType"); String price=request.getParameter("price"); String goodsRemark=request.getParameter("description"); System.out.println(goodsId); Goods good = new Goods(Integer.parseInt(goodsId),goodsName,goodsType,Float.parseFloat(price),goodsRemark); ServletContext context=request.getServletContext(); context.getAttribute("goods"); List<Goods> goodsList=(List)context.getAttribute("goods"); if(goodsList==null) { request.getRequestDispatcher("/gl").forward(request, response); } boolean idFlag=false; for(Goods goo: goodsList) { if(goo.getGoodsId()==Integer.parseInt(goodsId)) { idFlag=true; break; }} if(idFlag==false) { goodsList.add(good); context.setAttribute("goods", goodsList); }else { System.out.println("重复商品编号"); context.setAttribute("idFlag", idFlag); } request.getRequestDispatcher("/gl").forward(request, response);}} |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 | package com.imooc.gim;import java.io.IOException;import java.util.ArrayList;import java.util.List;import javax.servlet.ServletContext;import javax.servlet.ServletException;import javax.servlet.annotation.WebServlet;import javax.servlet.http.HttpServlet;import javax.servlet.http.HttpServletRequest;import javax.servlet.http.HttpServletResponse;/** * Servlet implementation class GoodsAddServlet */@WebServlet("/gl")public class GoodsListServlet extends HttpServlet {private static final long serialVersionUID = 1L; /** * Default constructor. */ public GoodsListServlet() { // TODO Auto-generated constructor stgaub }/** * @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response) */protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { doPost(request, response);}/** * @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response) */protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { request.setCharacterEncoding("utf-8"); ServletContext context=request.getServletContext(); if(context.getAttribute("goods")==null) { List<Goods> goodsList=new ArrayList<>(); goodsList.add(new Goods(1001,"格力空调","家用电器",3000.00f,"铂金品质")); goodsList.add(new Goods(1002,"LV","服装",18888.00f,"生活一场旅行")); context.setAttribute("goods", goodsList); } request.getRequestDispatcher("/good.jsp").forward(request, response); } } |
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