IGeekShop案例2-添加商品

一时失言乱红尘 2024-04-17 06:26 83阅读 0赞

# IGeekShop案例2-添加商品 #

## 1 页面一加载就能动态的获取所有的分类 ##

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2ZtazEwMjM_size_16_color_FFFFFF_t_70]

### 1 创建category表 ###

CREATE TABLE category (
      cid   VARCHAR(50) NOT NULL,
      cname VARCHAR(20) DEFAULT NULL,
      PRIMARY KEY (cid)
    )

### 2 category表中添加数据 ###

INSERT INTO category VALUES 
    ('1','手机数码'),('2','运动户外'),
    ('3','电脑办公'),('4','家具家居'),
    ('5','鞋靴箱包'),('6','图书音像'),
    ('7','母婴孕婴'),('8','汽车用品');

### 3admin/product/list.jsp添加处理servlet ###

<%@ page language="java" pageEncoding="UTF-8"%>
    <%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c" %>
    <HTML>
    <HEAD>
    <meta http-equiv="Content-Language" content="zh-cn">
    <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
    <link href="${pageContext.request.contextPath}/css/Style1.css"
        rel="stylesheet" type="text/css" />
    <script language="javascript"
        src="${pageContext.request.contextPath}/js/public.js"></script>
    <script type="text/javascript">
                function addProduct(){
                    window.location.href = "${pageContext.request.contextPath}/adminAddProductUI";
                }
            </script>
    </HEAD>
    <body>
        <br>
        <form id="Form1" name="Form1"
            action="${pageContext.request.contextPath}/user/list.jsp"
            method="post">
            <table cellSpacing="1" cellPadding="0" width="100%" align="center"
                bgColor="#f5fafe" border="0">
                <TBODY>
                    <tr>
                        <td class="ta_01" align="center" bgColor="#afd1f3"><strong>商品列表</strong>
                        </TD>
                    </tr>
                    <tr>
                        <td class="ta_01" align="right">
                            <button type="button" id="add" name="add" value="添加"
                                class="button_add" onclick="addProduct()">
                                添加</button>
    
                        </td>
                    </tr>
                    <tr>
                        <td class="ta_01" align="center" bgColor="#f5fafe">
                            <table cellspacing="0" cellpadding="1" rules="all"
                                bordercolor="gray" border="1" id="DataGrid1"
                                style="BORDER-RIGHT: gray 1px solid; BORDER-TOP: gray 1px solid; BORDER-LEFT: gray 1px solid; WIDTH: 100%; WORD-BREAK: break-all; BORDER-BOTTOM: gray 1px solid; BORDER-COLLAPSE: collapse; BACKGROUND-COLOR: #f5fafe; WORD-WRAP: break-word">
                                <tr
                                    style="FONT-WEIGHT: bold; FONT-SIZE: 12pt; HEIGHT: 25px; BACKGROUND-COLOR: #afd1f3">
    
                                    <td align="center" width="18%">序号</td>
                                    <td align="center" width="17%">商品图片</td>
                                    <td align="center" width="17%">商品名称</td>
                                    <td align="center" width="17%">商品价格</td>
                                    <td align="center" width="17%">是否热门</td>
                                    <td width="7%" align="center">编辑</td>
                                    <td width="7%" align="center">删除</td>
                                </tr>
                                
                                <c:forEach items="${productList }" var="product" varStatus="vs">
                                
                                    <tr onmouseover="this.style.backgroundColor = 'white'"
                                        onmouseout="this.style.backgroundColor = '#F5FAFE';">
                                        <td style="CURSOR: hand; HEIGHT: 22px" align="center"
                                            width="18%">${vs.count }</td>
                                        <td style="CURSOR: hand; HEIGHT: 22px" align="center"
                                            width="17%"><img width="40" height="45" src="${pageContext.request.contextPath }/${product.pimage }"></td>
                                        <td style="CURSOR: hand; HEIGHT: 22px" align="center"
                                            width="17%">${product.pname }</td>
                                        <td style="CURSOR: hand; HEIGHT: 22px" align="center"
                                            width="17%">${product.shop_price }</td>
                                        <td style="CURSOR: hand; HEIGHT: 22px" align="center"
                                            width="17%">
                                            ${product.is_hot==1?"是":"否" }</td>
                                        <td align="center" style="HEIGHT: 22px"><a
                                            href="${ pageContext.request.contextPath }/admin/product/edit.jsp">
                                                <img
                                                src="${pageContext.request.contextPath}/images/i_edit.gif"
                                                border="0" style="CURSOR: hand">
                                        </a></td>
            
                                        <td align="center" style="HEIGHT: 22px"><a href="#"> <img
                                                src="${pageContext.request.contextPath}/images/i_del.gif"
                                                width="16" height="16" border="0" style="CURSOR: hand">
                                        </a></td>
                                    </tr>
                                </c:forEach>
                            </table>
                        </td>
                    </tr>
    
                </TBODY>
            </table>
        </form>
    </body>
    </HTML>

### 4 web层 AdminAddProductUIServlet ###

package www.test.web;
    
    import java.io.IOException;
    import java.sql.SQLException;
    import java.util.List;
    
    import javax.servlet.ServletException;
    import javax.servlet.http.HttpServlet;
    import javax.servlet.http.HttpServletRequest;
    import javax.servlet.http.HttpServletResponse;
    
    import www.test.domain.Category;
    import www.test.service.AdminProductService;
    
    public class AdminAddProductUIServlet extends HttpServlet {
    
        public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
    
            //获得所有的商品的类别数据
             AdminProductService service = new AdminProductService();
             List<Category> categoryList = null;
             try {
                categoryList =  service.findAllCategory();
            } catch (SQLException e) {
                
                e.printStackTrace();
            }
            // 将获取到的categoryList存储到request域中
             request.setAttribute("categoryList", categoryList);
               //转发
             request.getRequestDispatcher("/admin/product/add.jsp").forward(request, response);
        }
    
        public void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
            doGet(request, response);
        }
    
    }

### 5 service层AdminProductService ###

package www.test.service;
    
    import java.sql.SQLException;
    import java.util.List;
    
    import www.test.dao.AdminProductDao;
    import www.test.domain.Category;
    import www.test.domain.Product;
    
    public class AdminProductService {
    
        public List<Product> findAllProduct() throws SQLException {
    
             //因为没有复杂业务 直接传递请求到dao层
            AdminProductDao dao = new AdminProductDao();
            return dao.findAllProduct();
        }
    
        
        public List<Category> findAllCategory() throws SQLException {
            
            AdminProductDao dao = new AdminProductDao();
            return dao.finAllCategory();
             
        }
    
    }

### 6 dao层AdminProductDao ###

### 7 /admin/product/add.jsp代码 ###

<%@ page language="java" pageEncoding="UTF-8"%>
    <%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c" %>
    
    <HTML>
        <HEAD>
            <meta http-equiv="Content-Language" content="zh-cn">
            <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
            <LINK href="${pageContext.request.contextPath}/css/Style1.css" type="text/css" rel="stylesheet">
        </HEAD>
        
        <body>
            
            <form id="userAction_save_do" name="Form1" action="${pageContext.request.contextPath}/adminAddProductUI" method="post">
                 
                <table cellSpacing="1" cellPadding="5" width="100%" align="center" bgColor="#eeeeee" style="border: 1px solid #8ba7e3" border="0">
                    <tr>
                        <td class="ta_01" align="center" bgColor="#afd1f3" colSpan="4"
                            height="26">
                            <strong><STRONG>添加商品</STRONG>
                            </strong>
                        </td>
                    </tr>
    
                    <tr>
                        <td width="18%" align="center" bgColor="#f5fafe" class="ta_01">
                            商品名称：
                        </td>
                        <td class="ta_01" bgColor="#ffffff">
                            <input type="text" name="pname" value="" id="userAction_save_do_logonName" class="bg"/>
                        </td>
                        <td width="18%" align="center" bgColor="#f5fafe" class="ta_01">
                            是否热门：
                        </td>
                        <td class="ta_01" bgColor="#ffffff">
                            <select name="is_hot">
                                <option value="1">是</option>
                                <option value="0">否</option>
                            </select>
                        </td>
                    </tr>
                    <tr>
                        <td width="18%" align="center" bgColor="#f5fafe" class="ta_01">
                            市场价格：
                        </td>
                        <td class="ta_01" bgColor="#ffffff">
                            <input type="text" name="market_price" value="" id="userAction_save_do_logonName" class="bg"/>
                        </td>
                        <td width="18%" align="center" bgColor="#f5fafe" class="ta_01">
                            商城价格：
                        </td>
                        <td class="ta_01" bgColor="#ffffff">
                            <input type="text" name="shop_price" value="" id="userAction_save_do_logonName" class="bg"/>
                        </td>
                    </tr>
                    <tr>
                        <td width="18%" align="center" bgColor="#f5fafe" class="ta_01">
                            商品图片：
                        </td>
                        <td class="ta_01" bgColor="#ffffff" colspan="3">
                            <input type="file" name="pimage" />
                        </td>
                    </tr>
                    <tr>
                        <td width="18%" align="center" bgColor="#f5fafe" class="ta_01">
                            所属分类：
                        </td>
                        <td class="ta_01" bgColor="#ffffff" colspan="3">
                            <select name="cid">
                                <c:forEach items="${categoryList }" var="category">
                                        <option value="${category.cid }">${category.cname }</option>
                                </c:forEach>
                                
                            </select>
                        </td>
                    </tr>
                    <tr>
                        <td width="18%" align="center" bgColor="#f5fafe" class="ta_01">
                            商品描述：
                        </td>
                        <td class="ta_01" bgColor="#ffffff" colspan="3">
                            <textarea name="pdesc" rows="5" cols="30"></textarea>
                        </td>
                    </tr>
                    <tr>
                        <td class="ta_01" style="WIDTH: 100%" align="center"
                            bgColor="#f5fafe" colSpan="4">
                            <button type="submit" id="userAction_save_do_submit" value="确定" class="button_ok">
                                确认;
                            </button>
    
                            <FONT face="宋体">       </FONT>
                            <button type="reset" value="重置" class="button_cancel">重置</button>
    
                            <FONT face="宋体">       </FONT>
                            <INPUT class="button_ok" type="button" onclick="history.go(-1)" value="返回"/>
                            <span id="Label1"></span>
                        </td>
                    </tr>
                </table>
            </form>
        </body>
    </HTML>

## 2 添加商品 ##

### 1 给确认按钮所在表单的form添加servlet ###

<%@ page language="java" pageEncoding="UTF-8"%>
    <%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c" %>
    
    <HTML>
        <HEAD>
            <meta http-equiv="Content-Language" content="zh-cn">
            <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
            <LINK href="${pageContext.request.contextPath}/css/Style1.css" type="text/css" rel="stylesheet">
        </HEAD>
        
        <body>
            
            <form id="userAction_save_do" name="Form1" action="${pageContext.request.contextPath}/adminAddProduct" method="post">
                 
                <table cellSpacing="1" cellPadding="5" width="100%" align="center" bgColor="#eeeeee" style="border: 1px solid #8ba7e3" border="0">
                    <tr>
                        <td class="ta_01" align="center" bgColor="#afd1f3" colSpan="4"
                            height="26">
                            <strong><STRONG>添加商品</STRONG>
                            </strong>
                        </td>
                    </tr>
    
                    <tr>
                        <td width="18%" align="center" bgColor="#f5fafe" class="ta_01">
                            商品名称：
                        </td>
                        <td class="ta_01" bgColor="#ffffff">
                            <input type="text" name="pname" value="" id="userAction_save_do_logonName" class="bg"/>
                        </td>
                        <td width="18%" align="center" bgColor="#f5fafe" class="ta_01">
                            是否热门：
                        </td>
                        <td class="ta_01" bgColor="#ffffff">
                            <select name="is_hot">
                                <option value="1">是</option>
                                <option value="0">否</option>
                            </select>
                        </td>
                    </tr>
                    <tr>
                        <td width="18%" align="center" bgColor="#f5fafe" class="ta_01">
                            市场价格：
                        </td>
                        <td class="ta_01" bgColor="#ffffff">
                            <input type="text" name="market_price" value="" id="userAction_save_do_logonName" class="bg"/>
                        </td>
                        <td width="18%" align="center" bgColor="#f5fafe" class="ta_01">
                            商城价格：
                        </td>
                        <td class="ta_01" bgColor="#ffffff">
                            <input type="text" name="shop_price" value="" id="userAction_save_do_logonName" class="bg"/>
                        </td>
                    </tr>
                    <tr>
                        <td width="18%" align="center" bgColor="#f5fafe" class="ta_01">
                            商品图片：
                        </td>
                        <td class="ta_01" bgColor="#ffffff" colspan="3">
                            <input type="file" name="pimage" />
                        </td>
                    </tr>
                    <tr>
                        <td width="18%" align="center" bgColor="#f5fafe" class="ta_01">
                            所属分类：
                        </td>
                        <td class="ta_01" bgColor="#ffffff" colspan="3">
                            <select name="cid">
                                <c:forEach items="${categoryList }" var="category">
                                        <option value="${category.cid }">${category.cname }</option>
                                </c:forEach>
                                
                            </select>
                        </td>
                    </tr>
                    <tr>
                        <td width="18%" align="center" bgColor="#f5fafe" class="ta_01">
                            商品描述：
                        </td>
                        <td class="ta_01" bgColor="#ffffff" colspan="3">
                            <textarea name="pdesc" rows="5" cols="30"></textarea>
                        </td>
                    </tr>
                    <tr>
                        <td class="ta_01" style="WIDTH: 100%" align="center"
                            bgColor="#f5fafe" colSpan="4">
                            <button type="submit" id="userAction_save_do_submit" value="确定" class="button_ok">
                                确认;
                            </button>
    
                            <FONT face="宋体">       </FONT>
                            <button type="reset" value="重置" class="button_cancel">重置</button>
    
                            <FONT face="宋体">       </FONT>
                            <INPUT class="button_ok" type="button" onclick="history.go(-1)" value="返回"/>
                            <div>${isSuccess==true?"添加成功":"添加失败" }</div>
                            <span id="Label1"></span>
                        </td>
                    </tr>
                </table>
            </form>
        </body>
    </HTML>

### 2 web层AdminProductService ###

package www.test.web;
    
    import java.io.IOException;
    import java.lang.reflect.InvocationTargetException;
    import java.sql.SQLException;
    import java.text.SimpleDateFormat;
    import java.util.Date;
    import java.util.Map;
    import java.util.UUID;
    
    import javax.servlet.ServletException;
    import javax.servlet.http.HttpServlet;
    import javax.servlet.http.HttpServletRequest;
    import javax.servlet.http.HttpServletResponse;
    
    import org.apache.commons.beanutils.BeanUtils;
    
    import www.test.domain.Product;
    import www.test.service.AdminProductService;
    
    public class AdminAddProductServlet extends HttpServlet {
    
        public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
            //解决乱码问题
            request.setCharacterEncoding("UTF-8");
            //获取数据
            Map<String, String[]> parameterMap = request.getParameterMap();
            //使用BeanUtils进行子映射封装
            Product  product = new Product();
            try {
                BeanUtils.populate(product, parameterMap);
            } catch (IllegalAccessException | InvocationTargetException e) {
                
                e.printStackTrace();
            }
            //此位置Product已经封装完毕----将表单的数据封装完毕
            //手动设置表单中没有数据
            //1）private String pid;
            product.setPid(UUID.randomUUID().toString().replaceAll("-", ""));
            //2）private String pimage;
            product.setPimage("products/1/c_0033.jpg");
           //3）private String pdate;//上架日期
            SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd");
            String pdate = format.format(new Date());
            product.setPdate(pdate);
            //4）private int pflag;//商品是否下载 0代表未下架
            product.setPflag(0);
           
            // 3 传递数据给service层
            AdminProductService service = new AdminProductService();
            boolean isSuccess = true;
            try {
                isSuccess = service.addProduct(product);
            } catch (SQLException e) {
                
                e.printStackTrace();
            }
            
            //将处理结果存储到request域中
            request.setAttribute("isSuccess", isSuccess);
             //跳转到列表页面
            //response.sendRedirect(request.getContextPath()+"/adminProductList");
            request.getRequestDispatcher("admin/product/add.jsp").forward(request, response);
        }
    
        public void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
            doGet(request, response);
        }
    
    }

### 3 service层AdminProductService ###

### 4 dao层AdminProductDao ###

package www.test.dao;
    
    import java.sql.SQLException;
    import java.util.List;
    
    import org.apache.commons.dbutils.QueryRunner;
    import org.apache.commons.dbutils.handlers.BeanListHandler;
    
    import www.test.domain.Category;
    import www.test.domain.Product;
    import www.test.utils.C3P0Utils;
    
    public class AdminProductDao {
    
        public List<Product> findAllProduct() throws SQLException {
            
            QueryRunner qr = new QueryRunner(C3P0Utils.getDataSource());
            String sql = "select * from product";
            List<Product> productList = qr.query(sql, new BeanListHandler<Product>(Product.class));
            return productList;
        }
    
        public List<Category> finAllCategory() throws SQLException {
            QueryRunner qr = new QueryRunner(C3P0Utils.getDataSource());
            String sql = "select * from category";
            List<Category> categoryList = qr.query(sql, new BeanListHandler<Category>(Category.class));
            return categoryList;
        }
    
        //添加数据
        public boolean addProduct(Product product) throws SQLException {
            QueryRunner qr = new QueryRunner(C3P0Utils.getDataSource());
            String sql = "insert into product values(?,?,?,?,?,?,?,?,?,?)";
            Object[] params = {product.getPid(),product.getPname(),product.getMarket_price(),product.getShop_price(),product.getPimage(),product.getPdate(),product.getIs_hot(),product.getPdesc(),product.getPflag(),product.getCid()};
            int num = qr.update(sql, params);
            if(num>0){
                return true;
            }else{
                return false;
            }
            
        }
    
        
    }

[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2ZtazEwMjM_size_16_color_FFFFFF_t_70]: https://image.dandelioncloud.cn/pgy_files/images/2024/04/17/e742816e9c294688b7ae4bf693f1300b.png