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步骤 1 : 先运行，看到效果，再学习
步骤 2 : 模仿和排错
步骤 3 : 结算页操作
步骤 4 : 运行效果
步骤 5 : applicationContext.xml
步骤 6 : OrderService
步骤 7 : OrderServiceImpl
步骤 8 : ForeController.createOrder
步骤 9 : 确认支付页
步骤 10 : 支付成功页

步骤 1 :

先运行，看到效果，再学习

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完整的SSM模仿天猫项目，使用J2SE、前端技术(包含所有前端jsp文件)、J2EE，SSM一整套技术栈，从无到有涵盖全部126个知识点，560个开发步骤, 充实SSM项目经验，为简历加上一个有吸引力的砝码.
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步骤 2 :

模仿和排错

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步骤 3 :

结算页操作

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步骤 4 :

运行效果

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步骤 5 :

applicationContext.xml

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<?xml version="1.0" encoding="UTF-8"?> <beans xmlns="http://www.springframework.org/schema/beans" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:tx="http://www.springframework.org/schema/tx" xmlns:context="http://www.springframework.org/schema/context" xsi:schemaLocation=" http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-3.0.xsd http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.0.xsd http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-3.0.xsd"> <context:annotation-config /> <context:component-scan base-package="com.how2java.tmall.service" />  <context:property-placeholder location="classpath:jdbc.properties"/>  <bean id="dataSource" class="com.alibaba.druid.pool.DruidDataSource" init-method="init" destroy-method="close">  <property name="url" value="${jdbc.url}" /> <property name="username" value="${jdbc.username}" /> <property name="password" value="${jdbc.password}" />  <property name="initialSize" value="1" /> <property name="minIdle" value="1" /> <property name="maxActive" value="20" />  <property name="maxWait" value="60000" />  <property name="timeBetweenEvictionRunsMillis" value="60000" />  <property name="minEvictableIdleTimeMillis" value="300000" /> <property name="validationQuery" value="SELECT 1" /> <property name="testWhileIdle" value="true" /> <property name="testOnBorrow" value="false" /> <property name="testOnReturn" value="false" />  <property name="poolPreparedStatements" value="true" /> <property name="maxPoolPreparedStatementPerConnectionSize" value="20" /> </bean>  <bean id="sqlSession" class="org.mybatis.spring.SqlSessionFactoryBean"> <property name="typeAliasesPackage" value="com.how2java.tmall.pojo" /> <property name="dataSource" ref="dataSource"/> <property name="mapperLocations" value="classpath:mapper/*.xml"/> <property name="plugins"> <array> <bean class="com.github.pagehelper.PageInterceptor"> <property name="properties"> <value> </value> </property> </bean> </array> </property> </bean>  <bean class="org.mybatis.spring.mapper.MapperScannerConfigurer"> <property name="basePackage" value="com.how2java.tmall.mapper"/> </bean>  <tx:annotation-driven transaction-manager="transactionManager"/> <bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager"> <property name="dataSource" ref="dataSource" /> </bean> </beans>

代码行数较多，请点击查看

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
       xmlns:tx="http://www.springframework.org/schema/tx"
       xmlns:context="http://www.springframework.org/schema/context"
       xsi:schemaLocation="
     http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-3.0.xsd
     http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.0.xsd
     http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-3.0.xsd">
    <context:annotation-config />
    <context:component-scan base-package="com.how2java.tmall.service" />

    <!-- 导入数据库配置文件 -->
    <context:property-placeholder location="classpath:jdbc.properties"/>
    <!-- 配置数据库连接池 -->
    <bean id="dataSource" class="com.alibaba.druid.pool.DruidDataSource" init-method="init" destroy-method="close">
        <!-- 基本属性 url、user、password -->
        <property name="url" value="${jdbc.url}" />
        <property name="username" value="${jdbc.username}" />
        <property name="password" value="${jdbc.password}" />

        <!-- 配置初始化大小、最小、最大 -->
        <property name="initialSize" value="1" />
        <property name="minIdle" value="1" />
        <property name="maxActive" value="20" />

        <!-- 配置获取连接等待超时的时间 -->
        <property name="maxWait" value="60000" />

        <!-- 配置间隔多久才进行一次检测，检测需要关闭的空闲连接，单位是毫秒 -->
        <property name="timeBetweenEvictionRunsMillis" value="60000" />

        <!-- 配置一个连接在池中最小生存的时间，单位是毫秒 -->
        <property name="minEvictableIdleTimeMillis" value="300000" />

        <property name="validationQuery" value="SELECT 1" />
        <property name="testWhileIdle" value="true" />
        <property name="testOnBorrow" value="false" />
        <property name="testOnReturn" value="false" />

        <!-- 打开PSCache，并且指定每个连接上PSCache的大小 -->
        <property name="poolPreparedStatements" value="true" />
        <property name="maxPoolPreparedStatementPerConnectionSize"
                  value="20" />
    </bean>

    <!--Mybatis的SessionFactory配置-->
    <bean id="sqlSession" class="org.mybatis.spring.SqlSessionFactoryBean">
        <property name="typeAliasesPackage" value="com.how2java.tmall.pojo" />
        <property name="dataSource" ref="dataSource"/>
        <property name="mapperLocations" value="classpath:mapper/*.xml"/>

        <property name="plugins">
            <array>
                <bean class="com.github.pagehelper.PageInterceptor">
                    <property name="properties">
                        <value>
                        </value>
                    </property>
                </bean>
            </array>
        </property>
    </bean>

    <!--Mybatis的Mapper文件识别-->
    <bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
        <property name="basePackage" value="com.how2java.tmall.mapper"/>
    </bean>

    <!--事务管理-->
    <tx:annotation-driven transaction-manager="transactionManager"/>
    <bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
        <property name="dataSource" ref="dataSource" />
    </bean>

</beans>

步骤 6 :

OrderService

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代码行数较多，请点击查看

package com.how2java.tmall.service;
 
import java.util.List;

import com.how2java.tmall.pojo.Order;
import com.how2java.tmall.pojo.OrderItem;

public interface OrderService {

    String waitPay = "waitPay";
    String waitDelivery = "waitDelivery";
    String waitConfirm = "waitConfirm";
    String waitReview = "waitReview";
    String finish = "finish";
    String delete = "delete";

    void add(Order c);

    float add(Order c,List<OrderItem> ois);
    void delete(int id);
    void update(Order c);
    Order get(int id);
    List list();
}

步骤 7 :

OrderServiceImpl

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代码行数较多，请点击查看

package com.how2java.tmall.service.impl;

import java.util.List;

import com.how2java.tmall.pojo.OrderItem;
import com.how2java.tmall.service.OrderItemService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import com.how2java.tmall.mapper.OrderMapper;
import com.how2java.tmall.pojo.Order;
import com.how2java.tmall.pojo.OrderExample;
import com.how2java.tmall.pojo.User;
import com.how2java.tmall.service.OrderService;
import com.how2java.tmall.service.UserService;
import org.springframework.transaction.annotation.Propagation;
import org.springframework.transaction.annotation.Transactional;

@Service
public class OrderServiceImpl implements OrderService {
    @Autowired
    OrderMapper orderMapper;

    @Autowired
    UserService userService;
    @Autowired
    OrderItemService orderItemService;

    @Override
    public void add(Order c) {
        orderMapper.insert(c);
    }

    @Override
    @Transactional(propagation= Propagation.REQUIRED,rollbackForClassName="Exception")

    public float add(Order o, List<OrderItem> ois) {
        float total = 0;
        add(o);

        if(false)
            throw new RuntimeException();

        for (OrderItem oi: ois) {
            oi.setOid(o.getId());
            orderItemService.update(oi);
            total+=oi.getProduct().getPromotePrice()*oi.getNumber();
        }
        return total;
    }

    @Override
    public void delete(int id) {
        orderMapper.deleteByPrimaryKey(id);
    }

    @Override
    public void update(Order c) {
        orderMapper.updateByPrimaryKeySelective(c);
    }

    @Override
    public Order get(int id) {
        return orderMapper.selectByPrimaryKey(id);
    }

    public List<Order> list(){
        OrderExample example =new OrderExample();
        example.setOrderByClause("id desc");
        return orderMapper.selectByExample(example);

    }

}

步骤 8 :

ForeController.createOrder

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createOrder方法
ForeController.java

代码行数较多，请点击查看

    @RequestMapping("forecreateOrder")
    public String createOrder( Model model,Order order,HttpSession session){
        User user =(User)  session.getAttribute("user");
        String orderCode = new SimpleDateFormat("yyyyMMddHHmmssSSS").format(new Date()) + RandomUtils.nextInt(10000);
        order.setOrderCode(orderCode);
        order.setCreateDate(new Date());
        order.setUid(user.getId());
        order.setStatus(OrderService.waitPay);
        List<OrderItem> ois= (List<OrderItem>)  session.getAttribute("ois");

        float total =orderService.add(order,ois);
        return "redirect:forealipay?oid="+order.getId() +"&total="+total;
    }

package com.how2java.tmall.controller; import com.github.pagehelper.PageHelper; import com.how2java.tmall.pojo.*; import com.how2java.tmall.service.*; import comparator.*; import org.apache.commons.lang.math.RandomUtils; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.stereotype.Controller; import org.springframework.ui.Model; import org.springframework.web.bind.annotation.RequestMapping; import org.springframework.web.bind.annotation.RequestParam; import org.springframework.web.bind.annotation.ResponseBody; import org.springframework.web.util.HtmlUtils; import javax.servlet.http.HttpSession; import java.text.SimpleDateFormat; import java.util.ArrayList; import java.util.Collections; import java.util.List; @Controller @RequestMapping("") public class ForeController { @Autowired CategoryService categoryService; @Autowired ProductService productService; @Autowired UserService userService; @Autowired ProductImageService productImageService; @Autowired PropertyValueService propertyValueService; @Autowired OrderService orderService; @Autowired OrderItemService orderItemService; @Autowired ReviewService reviewService; @RequestMapping("forehome") public String home(Model model) { List<Category> cs= categoryService.list(); productService.fill(cs); productService.fillByRow(cs); model.addAttribute("cs", cs); return "fore/home"; } @RequestMapping("foreregister") public String register(Model model,User user) { String name = user.getName(); name = HtmlUtils.htmlEscape(name); user.setName(name); boolean exist = userService.isExist(name); if(exist){ String m ="用户名已经被使用,不能使用"; model.addAttribute("msg", m); return "fore/register"; } userService.add(user); return "redirect:registerSuccessPage"; } @RequestMapping("forelogin") public String login(@RequestParam("name") String name, @RequestParam("password") String password, Model model, HttpSession session) { name = HtmlUtils.htmlEscape(name); User user = userService.get(name,password); if(null==user){ model.addAttribute("msg", "账号密码错误"); return "fore/login"; } session.setAttribute("user", user); return "redirect:forehome"; } @RequestMapping("forelogout") public String logout( HttpSession session) { session.removeAttribute("user"); return "redirect:forehome"; } @RequestMapping("foreproduct") public String product( int pid, Model model) { Product p = productService.get(pid); List<ProductImage> productSingleImages = productImageService.list(p.getId(), ProductImageService.type_single); List<ProductImage> productDetailImages = productImageService.list(p.getId(), ProductImageService.type_detail); p.setProductSingleImages(productSingleImages); p.setProductDetailImages(productDetailImages); List<PropertyValue> pvs = propertyValueService.list(p.getId()); List<Review> reviews = reviewService.list(p.getId()); productService.setSaleAndReviewNumber(p); model.addAttribute("reviews", reviews); model.addAttribute("p", p); model.addAttribute("pvs", pvs); return "fore/product"; } @RequestMapping("forecheckLogin") @ResponseBody public String checkLogin( HttpSession session) { User user =(User) session.getAttribute("user"); if(null!=user) return "success"; return "fail"; } @RequestMapping("foreloginAjax") @ResponseBody public String loginAjax(@RequestParam("name") String name, @RequestParam("password") String password,HttpSession session) { name = HtmlUtils.htmlEscape(name); User user = userService.get(name,password); if(null==user){ return "fail"; } session.setAttribute("user", user); return "success"; } @RequestMapping("forecategory") public String category(int cid,String sort, Model model) { Category c = categoryService.get(cid); productService.fill(c); productService.setSaleAndReviewNumber(c.getProducts()); if(null!=sort){ switch(sort){ case "review": Collections.sort(c.getProducts(),new ProductReviewComparator()); break; case "date" : Collections.sort(c.getProducts(),new ProductDateComparator()); break; case "saleCount" : Collections.sort(c.getProducts(),new ProductSaleCountComparator()); break; case "price": Collections.sort(c.getProducts(),new ProductPriceComparator()); break; case "all": Collections.sort(c.getProducts(),new ProductAllComparator()); break; } } model.addAttribute("c", c); return "fore/category"; } @RequestMapping("foresearch") public String search( String keyword,Model model){ PageHelper.offsetPage(0,20); List<Product> ps= productService.search(keyword); productService.setSaleAndReviewNumber(ps); model.addAttribute("ps",ps); return "fore/searchResult"; } @RequestMapping("forebuyone") public String buyone(int pid, int num, HttpSession session) { Product p = productService.get(pid); int oiid = 0; User user =(User) session.getAttribute("user"); boolean found = false; List<OrderItem> ois = orderItemService.listByUser(user.getId()); for (OrderItem oi : ois) { if(oi.getProduct().getId().intValue()==p.getId().intValue()){ oi.setNumber(oi.getNumber()+num); orderItemService.update(oi); found = true; oiid = oi.getId(); break; } } if(!found){ OrderItem oi = new OrderItem(); oi.setUid(user.getId()); oi.setNumber(num); oi.setPid(pid); orderItemService.add(oi); oiid = oi.getId(); } return "redirect:forebuy?oiid="+oiid; } @RequestMapping("forebuy") public String buy( Model model,String[] oiid,HttpSession session){ List<OrderItem> ois = new ArrayList<>(); float total = 0; for (String strid : oiid) { int id = Integer.parseInt(strid); OrderItem oi= orderItemService.get(id); total +=oi.getProduct().getPromotePrice()*oi.getNumber(); ois.add(oi); } session.setAttribute("ois", ois); model.addAttribute("total", total); return "fore/buy"; } @RequestMapping("foreaddCart") @ResponseBody public String addCart(int pid, int num, Model model,HttpSession session) { Product p = productService.get(pid); User user =(User) session.getAttribute("user"); boolean found = false; List<OrderItem> ois = orderItemService.listByUser(user.getId()); for (OrderItem oi : ois) { if(oi.getProduct().getId().intValue()==p.getId().intValue()){ oi.setNumber(oi.getNumber()+num); orderItemService.update(oi); found = true; break; } } if(!found){ OrderItem oi = new OrderItem(); oi.setUid(user.getId()); oi.setNumber(num); oi.setPid(pid); orderItemService.add(oi); } return "success"; } @RequestMapping("forecart") public String cart( Model model,HttpSession session) { User user =(User) session.getAttribute("user"); List<OrderItem> ois = orderItemService.listByUser(user.getId()); model.addAttribute("ois", ois); return "fore/cart"; } @RequestMapping("forechangeOrderItem") @ResponseBody public String changeOrderItem( Model model,HttpSession session, int pid, int number) { User user =(User) session.getAttribute("user"); if(null==user) return "fail"; List<OrderItem> ois = orderItemService.listByUser(user.getId()); for (OrderItem oi : ois) { if(oi.getProduct().getId().intValue()==pid){ oi.setNumber(number); orderItemService.update(oi); break; } } return "success"; } @RequestMapping("foredeleteOrderItem") @ResponseBody public String deleteOrderItem( Model model,HttpSession session,int oiid){ User user =(User) session.getAttribute("user"); if(null==user) return "fail"; orderItemService.delete(oiid); return "success"; } @RequestMapping("forecreateOrder") public String createOrder( Model model,Order order,HttpSession session){ User user =(User) session.getAttribute("user"); String orderCode = new SimpleDateFormat("yyyyMMddHHmmssSSS").format(new Date()) + RandomUtils.nextInt(10000); order.setOrderCode(orderCode); order.setCreateDate(new Date()); order.setUid(user.getId()); order.setStatus(OrderService.waitPay); List<OrderItem> ois= (List<OrderItem>) session.getAttribute("ois"); float total =orderService.add(order,ois); return "redirect:forealipay?oid="+order.getId() +"&total="+total; } }

代码行数较多，请点击查看

package com.how2java.tmall.controller;

import com.github.pagehelper.PageHelper;
import com.how2java.tmall.pojo.*;
import com.how2java.tmall.service.*;
import comparator.*;
import org.apache.commons.lang.math.RandomUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.util.HtmlUtils;

import javax.servlet.http.HttpSession;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;

@Controller
@RequestMapping("")
public class ForeController {
    @Autowired
    CategoryService categoryService;
    @Autowired
    ProductService productService;
    @Autowired
    UserService userService;
    @Autowired
    ProductImageService productImageService;
    @Autowired
    PropertyValueService propertyValueService;
    @Autowired
    OrderService orderService;
    @Autowired
    OrderItemService orderItemService;
    @Autowired
    ReviewService reviewService;
    @RequestMapping("forehome")
    public String home(Model model) {
        List<Category> cs= categoryService.list();
        productService.fill(cs);
        productService.fillByRow(cs);
         model.addAttribute("cs", cs);
        return "fore/home";
    }

    @RequestMapping("foreregister")
    public String register(Model model,User user) {
        String name =  user.getName();
        name = HtmlUtils.htmlEscape(name);
        user.setName(name);
        boolean exist = userService.isExist(name);
        
        if(exist){
            String m ="用户名已经被使用,不能使用";
            model.addAttribute("msg", m);

            return "fore/register";
        }
        userService.add(user);

        return "redirect:registerSuccessPage";
    }
    @RequestMapping("forelogin")
    public String login(@RequestParam("name") String name, @RequestParam("password") String password, Model model, HttpSession session) {
        name = HtmlUtils.htmlEscape(name);
        User user = userService.get(name,password);

        if(null==user){
            model.addAttribute("msg", "账号密码错误");
            return "fore/login";
        }
        session.setAttribute("user", user);
        return "redirect:forehome";
    }
    @RequestMapping("forelogout")
    public String logout( HttpSession session) {
        session.removeAttribute("user");
        return "redirect:forehome";
    }

    @RequestMapping("foreproduct")
    public String product( int pid, Model model) {
        Product p = productService.get(pid);

        List<ProductImage> productSingleImages = productImageService.list(p.getId(), ProductImageService.type_single);
        List<ProductImage> productDetailImages = productImageService.list(p.getId(), ProductImageService.type_detail);
        p.setProductSingleImages(productSingleImages);
        p.setProductDetailImages(productDetailImages);

        List<PropertyValue> pvs = propertyValueService.list(p.getId());
        List<Review> reviews = reviewService.list(p.getId());
        productService.setSaleAndReviewNumber(p);

        model.addAttribute("reviews", reviews);
        model.addAttribute("p", p);
        model.addAttribute("pvs", pvs);
        return "fore/product";
    }

    @RequestMapping("forecheckLogin")
    @ResponseBody
    public String checkLogin( HttpSession session) {
        User user =(User)  session.getAttribute("user");
        if(null!=user)
            return "success";
        return "fail";
    }
    @RequestMapping("foreloginAjax")
    @ResponseBody
    public String loginAjax(@RequestParam("name") String name, @RequestParam("password") String password,HttpSession session) {
        name = HtmlUtils.htmlEscape(name);
        User user = userService.get(name,password);

        if(null==user){
            return "fail";
        }
        session.setAttribute("user", user);
        return "success";
    }
    @RequestMapping("forecategory")
    public String category(int cid,String sort, Model model) {
        Category c = categoryService.get(cid);
        productService.fill(c);
        productService.setSaleAndReviewNumber(c.getProducts());

        if(null!=sort){
            switch(sort){
                case "review":
                    Collections.sort(c.getProducts(),new ProductReviewComparator());
                    break;
                case "date" :
                    Collections.sort(c.getProducts(),new ProductDateComparator());
                    break;

                case "saleCount" :
                    Collections.sort(c.getProducts(),new ProductSaleCountComparator());
                    break;

                case "price":
                    Collections.sort(c.getProducts(),new ProductPriceComparator());
                    break;

                case "all":
                    Collections.sort(c.getProducts(),new ProductAllComparator());
                    break;
            }
        }

        model.addAttribute("c", c);
        return "fore/category";
    }

    @RequestMapping("foresearch")
    public String search( String keyword,Model model){

        PageHelper.offsetPage(0,20);
        List<Product> ps= productService.search(keyword);
        productService.setSaleAndReviewNumber(ps);
        model.addAttribute("ps",ps);
        return "fore/searchResult";
    }
    @RequestMapping("forebuyone")
    public String buyone(int pid, int num, HttpSession session) {
        Product p = productService.get(pid);
        int oiid = 0;

        User user =(User)  session.getAttribute("user");
        boolean found = false;
        List<OrderItem> ois = orderItemService.listByUser(user.getId());
        for (OrderItem oi : ois) {
            if(oi.getProduct().getId().intValue()==p.getId().intValue()){
                oi.setNumber(oi.getNumber()+num);
                orderItemService.update(oi);
                found = true;
                oiid = oi.getId();
                break;
            }
        }

        if(!found){
            OrderItem oi = new OrderItem();
            oi.setUid(user.getId());
            oi.setNumber(num);
            oi.setPid(pid);
            orderItemService.add(oi);
            oiid = oi.getId();
        }
        return "redirect:forebuy?oiid="+oiid;
    }

    @RequestMapping("forebuy")
    public String buy( Model model,String[] oiid,HttpSession session){
        List<OrderItem> ois = new ArrayList<>();
        float total = 0;

        for (String strid : oiid) {
            int id = Integer.parseInt(strid);
            OrderItem oi= orderItemService.get(id);
            total +=oi.getProduct().getPromotePrice()*oi.getNumber();
            ois.add(oi);
        }

        session.setAttribute("ois", ois);
        model.addAttribute("total", total);
        return "fore/buy";
    }
    @RequestMapping("foreaddCart")
    @ResponseBody
    public String addCart(int pid, int num, Model model,HttpSession session) {
        Product p = productService.get(pid);
        User user =(User)  session.getAttribute("user");
        boolean found = false;

        List<OrderItem> ois = orderItemService.listByUser(user.getId());
        for (OrderItem oi : ois) {
            if(oi.getProduct().getId().intValue()==p.getId().intValue()){
                oi.setNumber(oi.getNumber()+num);
                orderItemService.update(oi);
                found = true;
                break;
            }
        }

        if(!found){
            OrderItem oi = new OrderItem();
            oi.setUid(user.getId());
            oi.setNumber(num);
            oi.setPid(pid);
            orderItemService.add(oi);
        }
        return "success";
    }
    @RequestMapping("forecart")
    public String cart( Model model,HttpSession session) {
        User user =(User)  session.getAttribute("user");
        List<OrderItem> ois = orderItemService.listByUser(user.getId());
        model.addAttribute("ois", ois);
        return "fore/cart";
    }

    @RequestMapping("forechangeOrderItem")
    @ResponseBody
    public String changeOrderItem( Model model,HttpSession session, int pid, int number) {
        User user =(User)  session.getAttribute("user");
        if(null==user)
            return "fail";

        List<OrderItem> ois = orderItemService.listByUser(user.getId());
        for (OrderItem oi : ois) {
            if(oi.getProduct().getId().intValue()==pid){
                oi.setNumber(number);
                orderItemService.update(oi);
                break;
            }

        }
        return "success";
    }
    @RequestMapping("foredeleteOrderItem")
    @ResponseBody
    public String deleteOrderItem( Model model,HttpSession session,int oiid){
        User user =(User)  session.getAttribute("user");
        if(null==user)
            return "fail";
        orderItemService.delete(oiid);
        return "success";
    }

    @RequestMapping("forecreateOrder")
    public String createOrder( Model model,Order order,HttpSession session){
        User user =(User)  session.getAttribute("user");
        String orderCode = new SimpleDateFormat("yyyyMMddHHmmssSSS").format(new Date()) + RandomUtils.nextInt(10000);
        order.setOrderCode(orderCode);
        order.setCreateDate(new Date());
        order.setUid(user.getId());
        order.setStatus(OrderService.waitPay);
        List<OrderItem> ois= (List<OrderItem>)  session.getAttribute("ois");

        float total =orderService.add(order,ois);
        return "redirect:forealipay?oid="+order.getId() +"&total="+total;
    }

}

步骤 9 :

确认支付页

edit 顶折

纠问

增值内容，请先登录

使用爬虫已经被系统记录，请勿使用爬虫，增大封号风险。如果是误封，请联系站长，谢谢

alipay.jsp
alipayPage.jsp

代码行数较多，请点击查看

<%@ page language="java" contentType="text/html; charset=UTF-8"
	pageEncoding="UTF-8" isELIgnored="false"%>

<%@include file="../include/fore/header.jsp"%>
<%@include file="../include/fore/top.jsp"%>
<%@include file="../include/fore/cart/alipayPage.jsp"%>
<%@include file="../include/fore/footer.jsp"%>

代码行数较多，请点击查看


<%@ page language="java" contentType="text/html; charset=UTF-8"
	pageEncoding="UTF-8" isELIgnored="false"%>
	
<div class="aliPayPageDiv">
	<div class="aliPayPageLogo">
		<img class="pull-left" src="img/site/simpleLogo.png">
		<div style="clear:both"></div>
	</div>
	
	<div>
		<span class="confirmMoneyText">扫一扫付款（元）</span>
		<span class="confirmMoney">
		￥<fmt:formatNumber type="number" value="${param.total}" minFractionDigits="2"/></span>
		
	</div>
	<div>
		<img class="aliPayImg" src="img/site/alipay2wei.png">
	</div>

	<div>
		<a href="forepayed?oid=${param.oid}&total=${param.total}"><button class="confirmPay">确认支付</button></a>
	</div>

</div>

步骤 10 :

支付成功页

edit 顶折

纠问

增值内容，请先登录

使用爬虫已经被系统记录，请勿使用爬虫，增大封号风险。如果是误封，请联系站长，谢谢

代码行数较多，请点击查看

    @RequestMapping("forepayed")
    public String payed(int oid, float total, Model model) {
        Order order = orderService.get(oid);
        order.setStatus(OrderService.waitDelivery);
        order.setPayDate(new Date());
        orderService.update(order);
        model.addAttribute("o", order);
        return "fore/payed";
    }

代码行数较多，请点击查看


<%@ page language="java" contentType="text/html; charset=UTF-8"
	pageEncoding="UTF-8" isELIgnored="false"%>

<%@include file="../include/fore/header.jsp"%>
<%@include file="../include/fore/top.jsp"%>
<%@include file="../include/fore/simpleSearch.jsp"%>
<%@include file="../include/fore/cart/payedPage.jsp"%>
<%@include file="../include/fore/footer.jsp"%>

代码行数较多，请点击查看


<%@ page language="java" contentType="text/html; charset=UTF-8"
	pageEncoding="UTF-8" isELIgnored="false"%>
	
<div class="payedDiv">
	<div class="payedTextDiv">
		<img src="img/site/paySuccess.png">
		<span>您已成功付款</span> 
		
	</div>
	<div class="payedAddressInfo">
		<ul>
			<li>收货地址：${o.address} ${o.receiver} ${o.mobile }</li>
			<li>实付款：<span class="payedInfoPrice">
			￥<fmt:formatNumber type="number" value="${param.total}" minFractionDigits="2"/>
			</li>
			<li>预计08月08日送达	</li>
		</ul>
				
		<div class="paedCheckLinkDiv">
			您可以
			<a class="payedCheckLink" href="forebought">查看已买到的宝贝</a>
			<a class="payedCheckLink" href="forebought">查看交易详情 </a>
		</div>
			
	</div>
	
	<div class="payedSeperateLine">
	</div>
	
	<div class="warningDiv">
		<img src="img/site/warning.png">
		<b>安全提醒：</b>下单后，<span class="redColor boldWord">用QQ给您发送链接办理退款的都是骗子！</span>天猫不存在系统升级，订单异常等问题，谨防假冒客服电话诈骗！
	</div>

</div>

package com.how2java.tmall.controller; import com.github.pagehelper.PageHelper; import com.how2java.tmall.pojo.*; import com.how2java.tmall.service.*; import comparator.*; import org.apache.commons.lang.math.RandomUtils; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.stereotype.Controller; import org.springframework.ui.Model; import org.springframework.web.bind.annotation.RequestMapping; import org.springframework.web.bind.annotation.RequestParam; import org.springframework.web.bind.annotation.ResponseBody; import org.springframework.web.util.HtmlUtils; import javax.servlet.http.HttpSession; import java.text.SimpleDateFormat; import java.util.ArrayList; import java.util.Collections; import java.util.Date; import java.util.List; @Controller @RequestMapping("") public class ForeController { @Autowired CategoryService categoryService; @Autowired ProductService productService; @Autowired UserService userService; @Autowired ProductImageService productImageService; @Autowired PropertyValueService propertyValueService; @Autowired OrderService orderService; @Autowired OrderItemService orderItemService; @Autowired ReviewService reviewService; @RequestMapping("forehome") public String home(Model model) { List<Category> cs= categoryService.list(); productService.fill(cs); productService.fillByRow(cs); model.addAttribute("cs", cs); return "fore/home"; } @RequestMapping("foreregister") public String register(Model model,User user) { String name = user.getName(); name = HtmlUtils.htmlEscape(name); user.setName(name); boolean exist = userService.isExist(name); if(exist){ String m ="用户名已经被使用,不能使用"; model.addAttribute("msg", m); return "fore/register"; } userService.add(user); return "redirect:registerSuccessPage"; } @RequestMapping("forelogin") public String login(@RequestParam("name") String name, @RequestParam("password") String password, Model model, HttpSession session) { name = HtmlUtils.htmlEscape(name); User user = userService.get(name,password); if(null==user){ model.addAttribute("msg", "账号密码错误"); return "fore/login"; } session.setAttribute("user", user); return "redirect:forehome"; } @RequestMapping("forelogout") public String logout( HttpSession session) { session.removeAttribute("user"); return "redirect:forehome"; } @RequestMapping("foreproduct") public String product( int pid, Model model) { Product p = productService.get(pid); List<ProductImage> productSingleImages = productImageService.list(p.getId(), ProductImageService.type_single); List<ProductImage> productDetailImages = productImageService.list(p.getId(), ProductImageService.type_detail); p.setProductSingleImages(productSingleImages); p.setProductDetailImages(productDetailImages); List<PropertyValue> pvs = propertyValueService.list(p.getId()); List<Review> reviews = reviewService.list(p.getId()); productService.setSaleAndReviewNumber(p); model.addAttribute("reviews", reviews); model.addAttribute("p", p); model.addAttribute("pvs", pvs); return "fore/product"; } @RequestMapping("forecheckLogin") @ResponseBody public String checkLogin( HttpSession session) { User user =(User) session.getAttribute("user"); if(null!=user) return "success"; return "fail"; } @RequestMapping("foreloginAjax") @ResponseBody public String loginAjax(@RequestParam("name") String name, @RequestParam("password") String password,HttpSession session) { name = HtmlUtils.htmlEscape(name); User user = userService.get(name,password); if(null==user){ return "fail"; } session.setAttribute("user", user); return "success"; } @RequestMapping("forecategory") public String category(int cid,String sort, Model model) { Category c = categoryService.get(cid); productService.fill(c); productService.setSaleAndReviewNumber(c.getProducts()); if(null!=sort){ switch(sort){ case "review": Collections.sort(c.getProducts(),new ProductReviewComparator()); break; case "date" : Collections.sort(c.getProducts(),new ProductDateComparator()); break; case "saleCount" : Collections.sort(c.getProducts(),new ProductSaleCountComparator()); break; case "price": Collections.sort(c.getProducts(),new ProductPriceComparator()); break; case "all": Collections.sort(c.getProducts(),new ProductAllComparator()); break; } } model.addAttribute("c", c); return "fore/category"; } @RequestMapping("foresearch") public String search( String keyword,Model model){ PageHelper.offsetPage(0,20); List<Product> ps= productService.search(keyword); productService.setSaleAndReviewNumber(ps); model.addAttribute("ps",ps); return "fore/searchResult"; } @RequestMapping("forebuyone") public String buyone(int pid, int num, HttpSession session) { Product p = productService.get(pid); int oiid = 0; User user =(User) session.getAttribute("user"); boolean found = false; List<OrderItem> ois = orderItemService.listByUser(user.getId()); for (OrderItem oi : ois) { if(oi.getProduct().getId().intValue()==p.getId().intValue()){ oi.setNumber(oi.getNumber()+num); orderItemService.update(oi); found = true; oiid = oi.getId(); break; } } if(!found){ OrderItem oi = new OrderItem(); oi.setUid(user.getId()); oi.setNumber(num); oi.setPid(pid); orderItemService.add(oi); oiid = oi.getId(); } return "redirect:forebuy?oiid="+oiid; } @RequestMapping("forebuy") public String buy( Model model,String[] oiid,HttpSession session){ List<OrderItem> ois = new ArrayList<>(); float total = 0; for (String strid : oiid) { int id = Integer.parseInt(strid); OrderItem oi= orderItemService.get(id); total +=oi.getProduct().getPromotePrice()*oi.getNumber(); ois.add(oi); } session.setAttribute("ois", ois); model.addAttribute("total", total); return "fore/buy"; } @RequestMapping("foreaddCart") @ResponseBody public String addCart(int pid, int num, Model model,HttpSession session) { Product p = productService.get(pid); User user =(User) session.getAttribute("user"); boolean found = false; List<OrderItem> ois = orderItemService.listByUser(user.getId()); for (OrderItem oi : ois) { if(oi.getProduct().getId().intValue()==p.getId().intValue()){ oi.setNumber(oi.getNumber()+num); orderItemService.update(oi); found = true; break; } } if(!found){ OrderItem oi = new OrderItem(); oi.setUid(user.getId()); oi.setNumber(num); oi.setPid(pid); orderItemService.add(oi); } return "success"; } @RequestMapping("forecart") public String cart( Model model,HttpSession session) { User user =(User) session.getAttribute("user"); List<OrderItem> ois = orderItemService.listByUser(user.getId()); model.addAttribute("ois", ois); return "fore/cart"; } @RequestMapping("forechangeOrderItem") @ResponseBody public String changeOrderItem( Model model,HttpSession session, int pid, int number) { User user =(User) session.getAttribute("user"); if(null==user) return "fail"; List<OrderItem> ois = orderItemService.listByUser(user.getId()); for (OrderItem oi : ois) { if(oi.getProduct().getId().intValue()==pid){ oi.setNumber(number); orderItemService.update(oi); break; } } return "success"; } @RequestMapping("foredeleteOrderItem") @ResponseBody public String deleteOrderItem( Model model,HttpSession session,int oiid){ User user =(User) session.getAttribute("user"); if(null==user) return "fail"; orderItemService.delete(oiid); return "success"; } @RequestMapping("forecreateOrder") public String createOrder( Model model,Order order,HttpSession session){ User user =(User) session.getAttribute("user"); String orderCode = new SimpleDateFormat("yyyyMMddHHmmssSSS").format(new Date()) + RandomUtils.nextInt(10000); order.setOrderCode(orderCode); order.setCreateDate(new Date()); order.setUid(user.getId()); order.setStatus(OrderService.waitPay); List<OrderItem> ois= (List<OrderItem>) session.getAttribute("ois"); float total =orderService.add(order,ois); return "redirect:forealipay?oid="+order.getId() +"&total="+total; } @RequestMapping("forepayed") public String payed(int oid, float total, Model model) { Order order = orderService.get(oid); order.setStatus(OrderService.waitDelivery); order.setPayDate(new Date()); orderService.update(order); model.addAttribute("o", order); return "fore/payed"; } }

代码行数较多，请点击查看

package com.how2java.tmall.controller;

import com.github.pagehelper.PageHelper;
import com.how2java.tmall.pojo.*;
import com.how2java.tmall.service.*;
import comparator.*;
import org.apache.commons.lang.math.RandomUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.util.HtmlUtils;

import javax.servlet.http.HttpSession;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Date;
import java.util.List;

@Controller
@RequestMapping("")
public class ForeController {
    @Autowired
    CategoryService categoryService;
    @Autowired
    ProductService productService;
    @Autowired
    UserService userService;
    @Autowired
    ProductImageService productImageService;
    @Autowired
    PropertyValueService propertyValueService;
    @Autowired
    OrderService orderService;
    @Autowired
    OrderItemService orderItemService;
    @Autowired
    ReviewService reviewService;
    @RequestMapping("forehome")
    public String home(Model model) {
        List<Category> cs= categoryService.list();
        productService.fill(cs);
        productService.fillByRow(cs);
         model.addAttribute("cs", cs);
        return "fore/home";
    }

    @RequestMapping("foreregister")
    public String register(Model model,User user) {
        String name =  user.getName();
        name = HtmlUtils.htmlEscape(name);
        user.setName(name);
        boolean exist = userService.isExist(name);
        
        if(exist){
            String m ="用户名已经被使用,不能使用";
            model.addAttribute("msg", m);

            return "fore/register";
        }
        userService.add(user);

        return "redirect:registerSuccessPage";
    }
    @RequestMapping("forelogin")
    public String login(@RequestParam("name") String name, @RequestParam("password") String password, Model model, HttpSession session) {
        name = HtmlUtils.htmlEscape(name);
        User user = userService.get(name,password);

        if(null==user){
            model.addAttribute("msg", "账号密码错误");
            return "fore/login";
        }
        session.setAttribute("user", user);
        return "redirect:forehome";
    }
    @RequestMapping("forelogout")
    public String logout( HttpSession session) {
        session.removeAttribute("user");
        return "redirect:forehome";
    }

    @RequestMapping("foreproduct")
    public String product( int pid, Model model) {
        Product p = productService.get(pid);

        List<ProductImage> productSingleImages = productImageService.list(p.getId(), ProductImageService.type_single);
        List<ProductImage> productDetailImages = productImageService.list(p.getId(), ProductImageService.type_detail);
        p.setProductSingleImages(productSingleImages);
        p.setProductDetailImages(productDetailImages);

        List<PropertyValue> pvs = propertyValueService.list(p.getId());
        List<Review> reviews = reviewService.list(p.getId());
        productService.setSaleAndReviewNumber(p);

        model.addAttribute("reviews", reviews);
        model.addAttribute("p", p);
        model.addAttribute("pvs", pvs);
        return "fore/product";
    }

    @RequestMapping("forecheckLogin")
    @ResponseBody
    public String checkLogin( HttpSession session) {
        User user =(User)  session.getAttribute("user");
        if(null!=user)
            return "success";
        return "fail";
    }
    @RequestMapping("foreloginAjax")
    @ResponseBody
    public String loginAjax(@RequestParam("name") String name, @RequestParam("password") String password,HttpSession session) {
        name = HtmlUtils.htmlEscape(name);
        User user = userService.get(name,password);

        if(null==user){
            return "fail";
        }
        session.setAttribute("user", user);
        return "success";
    }
    @RequestMapping("forecategory")
    public String category(int cid,String sort, Model model) {
        Category c = categoryService.get(cid);
        productService.fill(c);
        productService.setSaleAndReviewNumber(c.getProducts());

        if(null!=sort){
            switch(sort){
                case "review":
                    Collections.sort(c.getProducts(),new ProductReviewComparator());
                    break;
                case "date" :
                    Collections.sort(c.getProducts(),new ProductDateComparator());
                    break;

                case "saleCount" :
                    Collections.sort(c.getProducts(),new ProductSaleCountComparator());
                    break;

                case "price":
                    Collections.sort(c.getProducts(),new ProductPriceComparator());
                    break;

                case "all":
                    Collections.sort(c.getProducts(),new ProductAllComparator());
                    break;
            }
        }

        model.addAttribute("c", c);
        return "fore/category";
    }

    @RequestMapping("foresearch")
    public String search( String keyword,Model model){

        PageHelper.offsetPage(0,20);
        List<Product> ps= productService.search(keyword);
        productService.setSaleAndReviewNumber(ps);
        model.addAttribute("ps",ps);
        return "fore/searchResult";
    }
    @RequestMapping("forebuyone")
    public String buyone(int pid, int num, HttpSession session) {
        Product p = productService.get(pid);
        int oiid = 0;

        User user =(User)  session.getAttribute("user");
        boolean found = false;
        List<OrderItem> ois = orderItemService.listByUser(user.getId());
        for (OrderItem oi : ois) {
            if(oi.getProduct().getId().intValue()==p.getId().intValue()){
                oi.setNumber(oi.getNumber()+num);
                orderItemService.update(oi);
                found = true;
                oiid = oi.getId();
                break;
            }
        }

        if(!found){
            OrderItem oi = new OrderItem();
            oi.setUid(user.getId());
            oi.setNumber(num);
            oi.setPid(pid);
            orderItemService.add(oi);
            oiid = oi.getId();
        }
        return "redirect:forebuy?oiid="+oiid;
    }

    @RequestMapping("forebuy")
    public String buy( Model model,String[] oiid,HttpSession session){
        List<OrderItem> ois = new ArrayList<>();
        float total = 0;

        for (String strid : oiid) {
            int id = Integer.parseInt(strid);
            OrderItem oi= orderItemService.get(id);
            total +=oi.getProduct().getPromotePrice()*oi.getNumber();
            ois.add(oi);
        }

        session.setAttribute("ois", ois);
        model.addAttribute("total", total);
        return "fore/buy";
    }
    @RequestMapping("foreaddCart")
    @ResponseBody
    public String addCart(int pid, int num, Model model,HttpSession session) {
        Product p = productService.get(pid);
        User user =(User)  session.getAttribute("user");
        boolean found = false;

        List<OrderItem> ois = orderItemService.listByUser(user.getId());
        for (OrderItem oi : ois) {
            if(oi.getProduct().getId().intValue()==p.getId().intValue()){
                oi.setNumber(oi.getNumber()+num);
                orderItemService.update(oi);
                found = true;
                break;
            }
        }

        if(!found){
            OrderItem oi = new OrderItem();
            oi.setUid(user.getId());
            oi.setNumber(num);
            oi.setPid(pid);
            orderItemService.add(oi);
        }
        return "success";
    }
    @RequestMapping("forecart")
    public String cart( Model model,HttpSession session) {
        User user =(User)  session.getAttribute("user");
        List<OrderItem> ois = orderItemService.listByUser(user.getId());
        model.addAttribute("ois", ois);
        return "fore/cart";
    }

    @RequestMapping("forechangeOrderItem")
    @ResponseBody
    public String changeOrderItem( Model model,HttpSession session, int pid, int number) {
        User user =(User)  session.getAttribute("user");
        if(null==user)
            return "fail";

        List<OrderItem> ois = orderItemService.listByUser(user.getId());
        for (OrderItem oi : ois) {
            if(oi.getProduct().getId().intValue()==pid){
                oi.setNumber(number);
                orderItemService.update(oi);
                break;
            }

        }
        return "success";
    }
    @RequestMapping("foredeleteOrderItem")
    @ResponseBody
    public String deleteOrderItem( Model model,HttpSession session,int oiid){
        User user =(User)  session.getAttribute("user");
        if(null==user)
            return "fail";
        orderItemService.delete(oiid);
        return "success";
    }

    @RequestMapping("forecreateOrder")
    public String createOrder( Model model,Order order,HttpSession session){
        User user =(User)  session.getAttribute("user");
        String orderCode = new SimpleDateFormat("yyyyMMddHHmmssSSS").format(new Date()) + RandomUtils.nextInt(10000);
        order.setOrderCode(orderCode);
        order.setCreateDate(new Date());
        order.setUid(user.getId());
        order.setStatus(OrderService.waitPay);
        List<OrderItem> ois= (List<OrderItem>)  session.getAttribute("ois");

        float total =orderService.add(order,ois);
        return "redirect:forealipay?oid="+order.getId() +"&total="+total;
    }

    @RequestMapping("forepayed")
    public String payed(int oid, float total, Model model) {
        Order order = orderService.get(oid);
        order.setStatus(OrderService.waitDelivery);
        order.setPayDate(new Date());
        orderService.update(order);
        model.addAttribute("o", order);
        return "fore/payed";
    }

}

天猫整站SSM系列教材（一百十九）- 前台-需要登录 - 订单状态图

天猫整站SSM系列教材（一百二十一）- 前台-需要登录 - 我的订单页

HOW2J公众号，关注后实时获知最新的教程和优惠活动，谢谢。

问答区域

2020-08-31 步骤9 中的 .alipay（）方法是不是忘了写了？

夜泊孤舟	关于实践项目-天猫整站SSM-生成订单的提问 ForeController中应该有 alipay方法但是代码中没有

1 个答案

how2j
答案时间：2020-09-02

并没有啊，在前面就有了呀： https://how2j.cn/k/tmall_ssm/tmall_ssm-1527/1527.html#step6557

回答已经提交成功，正在审核。请于我的回答处查看回答记录，谢谢

2020-08-06 合单支付

sjh898903

关于实践项目-天猫整站SSM-生成订单 -确认支付页的提问

不同商家商品订单一起支付的时候，钱怎样直接转给各个商家呢？

1 个答案

how2j
答案时间：2020-08-07

本项目并没有商家概念~

回答已经提交成功，正在审核。请于我的回答处查看回答记录，谢谢

2020-07-23 ForeController里面的payed()中total怎么传到下一个页面？

2020-06-23 请问下为什么提交完订单后，那些订单项还在购物车里呢

2020-06-22 购物车中订单项的优化,只展示新加入购物车的订单项和订单项所在订单状态为未支付的

佛说

关于实践项目-天猫整站SSM-生成订单的提问

如题,优化购物车展示；拦截器查询购物车订单项数量新增对应方法,改动展示购物车所有订单项

@Override
    public List<OrderItem> listByUser(int uid) {
        OrderItemExample example=new OrderItemExample();
        example.createCriteria().andUidEqualTo(uid);
        example.setOrderByClause("id desc");
        List<OrderItem> ois=orderItemMapper.selectByExample(example);
        List<OrderItem> oisResult=new ArrayList<>();
        if(null!=ois){
            for(OrderItem oi:ois){
                Integer oid=oi.getOid();
                if(null==oid){              //新加入购物车,没有对应订单
                    oisResult.add(oi);
                    continue;
                }
                Order o=orderService.get(oid);
                if(null==o)
                    continue;
                if(OrderService.waitPay.equals(o.getStatus()))      //未支付状态
                    oisResult.add(oi);
            }
        }

        setProduct(ois);
        return oisResult;
    }

    //购物车数量
    @Override
    public int finalCarNum(List<OrderItem> ois){
        int carNum=0;
        if(null==ois)
            return carNum;
        for(OrderItem oi:ois){
            Integer oid=oi.getOid();
            if(null==oid){                      //新加入购物车,没有对应订单
                carNum+=oi.getNumber();
                continue;
            }
            Order o=orderService.get(oid);
            if(null==o)
                continue;
            if(OrderService.waitPay.equals(o.getStatus()))      //未支付状态
                carNum+=oi.getNumber();

        }
        return carNum;
    }

1 个答案

how2j
答案时间：2020-06-24

有能力自己改造了，说明掌握的不错，加油

回答已经提交成功，正在审核。请于我的回答处查看回答记录，谢谢

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关于实践项目-天猫整站SSM-生成订单的提问

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