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步骤 2 : 模仿和排错 步骤 3 : 购物车页面操作 步骤 4 : 调整订单数量 步骤 5 : 删除订单项 步骤 6 : 提交到结算页面
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完整的 Springboot 模仿天猫项目，使用 Springboot 、Vue.js、shiro、redis、elasticsearch 等一整套技术栈， 从无到有涵盖全部129个知识点，565个开发步骤, 充实 Springboot 项目经验，为简历加上一个有吸引力的砝码.
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完整的 Springboot 模仿天猫项目，使用 Springboot 、Vue.js、shiro、redis、elasticsearch 等一整套技术栈， 从无到有涵盖全部129个知识点，565个开发步骤, 充实 Springboot 项目经验，为简历加上一个有吸引力的砝码.
增值内容，点击购买
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
增值内容，请先登录
完整的 Springboot 模仿天猫项目，使用 Springboot 、Vue.js、shiro、redis、elasticsearch 等一整套技术栈， 从无到有涵盖全部129个知识点，565个开发步骤, 充实 Springboot 项目经验，为简历加上一个有吸引力的砝码.
增值内容，点击购买
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
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完整的 Springboot 模仿天猫项目，使用 Springboot 、Vue.js、shiro、redis、elasticsearch 等一整套技术栈， 从无到有涵盖全部129个知识点，565个开发步骤, 充实 Springboot 项目经验，为简历加上一个有吸引力的砝码.
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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
var url = "forechangeOrderItem?pid="+pid+"&num="+num;
axios.get(url).then(function(response){
if(0!=response.data.code){
location.href="login";
}
});
@GetMapping("forechangeOrderItem")
public Object changeOrderItem( HttpSession session, int pid, int num) {
User user =(User) session.getAttribute("user");
if(null==user)
return Result.fail("未登录");
List<OrderItem> ois = orderItemService.listByUser(user);
for (OrderItem oi : ois) {
if(oi.getProduct().getId()==pid){
oi.setNumber(num);
orderItemService.update(oi);
break;
}
}
return Result.success();
}
package com.how2java.tmall.web;
import com.how2java.tmall.comparator.*;
import com.how2java.tmall.pojo.*;
import com.how2java.tmall.service.*;
import com.how2java.tmall.util.Result;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;
import org.springframework.web.util.HtmlUtils;
import javax.servlet.http.HttpSession;
import java.util.*;
@RestController
public class ForeRESTController {
@Autowired
CategoryService categoryService;
@Autowired
ProductService productService;
@Autowired
UserService userService;
@Autowired
ProductImageService productImageService;
@Autowired
PropertyValueService propertyValueService;
@Autowired
OrderItemService orderItemService;
@Autowired
ReviewService reviewService;
@GetMapping("/forehome")
public Object home() {
List<Category> cs= categoryService.list();
productService.fill(cs);
productService.fillByRow(cs);
categoryService.removeCategoryFromProduct(cs);
return cs;
}
@PostMapping("/foreregister")
public Object register(@RequestBody User user) {
String name = user.getName();
String password = user.getPassword();
name = HtmlUtils.htmlEscape(name);
user.setName(name);
boolean exist = userService.isExist(name);
if(exist){
String message ="用户名已经被使用,不能使用";
return Result.fail(message);
}
user.setPassword(password);
userService.add(user);
return Result.success();
}
@PostMapping("/forelogin")
public Object login(@RequestBody User userParam, HttpSession session) {
String name = userParam.getName();
name = HtmlUtils.htmlEscape(name);
User user =userService.get(name,userParam.getPassword());
if(null==user){
String message ="账号密码错误";
return Result.fail(message);
}
else{
session.setAttribute("user", user);
return Result.success();
}
}
@GetMapping("/foreproduct/{pid}")
public Object product(@PathVariable("pid") int pid) {
Product product = productService.get(pid);
List<ProductImage> productSingleImages = productImageService.listSingleProductImages(product);
List<ProductImage> productDetailImages = productImageService.listDetailProductImages(product);
product.setProductSingleImages(productSingleImages);
product.setProductDetailImages(productDetailImages);
List<PropertyValue> pvs = propertyValueService.list(product);
List<Review> reviews = reviewService.list(product);
productService.setSaleAndReviewNumber(product);
productImageService.setFirstProdutImage(product);
Map<String,Object> map= new HashMap<>();
map.put("product", product);
map.put("pvs", pvs);
map.put("reviews", reviews);
return Result.success(map);
}
@GetMapping("forecheckLogin")
public Object checkLogin( HttpSession session) {
User user =(User) session.getAttribute("user");
if(null!=user)
return Result.success();
return Result.fail("未登录");
}
@GetMapping("forecategory/{cid}")
public Object category(@PathVariable int cid,String sort) {
Category c = categoryService.get(cid);
productService.fill(c);
productService.setSaleAndReviewNumber(c.getProducts());
categoryService.removeCategoryFromProduct(c);
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;
}
}
return c;
}
@PostMapping("foresearch")
public Object search( String keyword){
if(null==keyword)
keyword = "";
List<Product> ps= productService.search(keyword,0,20);
productImageService.setFirstProdutImages(ps);
productService.setSaleAndReviewNumber(ps);
return ps;
}
@GetMapping("forebuyone")
public Object buyone(int pid, int num, HttpSession session) {
return buyoneAndAddCart(pid,num,session);
}
private int buyoneAndAddCart(int pid, int num, HttpSession session) {
Product product = productService.get(pid);
int oiid = 0;
User user =(User) session.getAttribute("user");
boolean found = false;
List<OrderItem> ois = orderItemService.listByUser(user);
for (OrderItem oi : ois) {
if(oi.getProduct().getId()==product.getId()){
oi.setNumber(oi.getNumber()+num);
orderItemService.update(oi);
found = true;
oiid = oi.getId();
break;
}
}
if(!found){
OrderItem oi = new OrderItem();
oi.setUser(user);
oi.setProduct(product);
oi.setNumber(num);
orderItemService.add(oi);
oiid = oi.getId();
}
return oiid;
}
@GetMapping("forebuy")
public Object buy(String[] oiid,HttpSession session){
List<OrderItem> orderItems = 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();
orderItems.add(oi);
}
productImageService.setFirstProdutImagesOnOrderItems(orderItems);
session.setAttribute("ois", orderItems);
Map<String,Object> map = new HashMap<>();
map.put("orderItems", orderItems);
map.put("total", total);
return Result.success(map);
}
@GetMapping("foreaddCart")
public Object addCart(int pid, int num, HttpSession session) {
buyoneAndAddCart(pid,num,session);
return Result.success();
}
@GetMapping("forecart")
public Object cart(HttpSession session) {
User user =(User) session.getAttribute("user");
List<OrderItem> ois = orderItemService.listByUser(user);
productImageService.setFirstProdutImagesOnOrderItems(ois);
return ois;
}
@GetMapping("forechangeOrderItem")
public Object changeOrderItem( HttpSession session, int pid, int num) {
User user =(User) session.getAttribute("user");
if(null==user)
return Result.fail("未登录");
List<OrderItem> ois = orderItemService.listByUser(user);
for (OrderItem oi : ois) {
if(oi.getProduct().getId()==pid){
oi.setNumber(num);
orderItemService.update(oi);
break;
}
}
return Result.success();
}
@GetMapping("foredeleteOrderItem")
public Object deleteOrderItem(HttpSession session,int oiid){
User user =(User) session.getAttribute("user");
if(null==user)
return Result.fail("未登录");
orderItemService.delete(oiid);
return Result.success();
}
}
增值内容，请先登录
完整的 Springboot 模仿天猫项目，使用 Springboot 、Vue.js、shiro、redis、elasticsearch 等一整套技术栈， 从无到有涵盖全部129个知识点，565个开发步骤, 充实 Springboot 项目经验，为简历加上一个有吸引力的砝码.
增值内容，点击购买
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
var url = "foredeleteOrderItem?oiid="+deleteOrderItemid;
axios.get(url).then(function(response){
if(0==response.data.code){
$("tr.cartProductItemTR[oiid="+deleteOrderItemid+"]").hide();
}
else{
location.href="login";
}
});
@GetMapping("foredeleteOrderItem")
public Object deleteOrderItem(HttpSession session,int oiid){
User user =(User) session.getAttribute("user");
if(null==user)
return Result.fail("未登录");
orderItemService.delete(oiid);
return Result.success();
}
package com.how2java.tmall.web;
import com.how2java.tmall.comparator.*;
import com.how2java.tmall.pojo.*;
import com.how2java.tmall.service.*;
import com.how2java.tmall.util.Result;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;
import org.springframework.web.util.HtmlUtils;
import javax.servlet.http.HttpSession;
import java.util.*;
@RestController
public class ForeRESTController {
@Autowired
CategoryService categoryService;
@Autowired
ProductService productService;
@Autowired
UserService userService;
@Autowired
ProductImageService productImageService;
@Autowired
PropertyValueService propertyValueService;
@Autowired
OrderItemService orderItemService;
@Autowired
ReviewService reviewService;
@GetMapping("/forehome")
public Object home() {
List<Category> cs= categoryService.list();
productService.fill(cs);
productService.fillByRow(cs);
categoryService.removeCategoryFromProduct(cs);
return cs;
}
@PostMapping("/foreregister")
public Object register(@RequestBody User user) {
String name = user.getName();
String password = user.getPassword();
name = HtmlUtils.htmlEscape(name);
user.setName(name);
boolean exist = userService.isExist(name);
if(exist){
String message ="用户名已经被使用,不能使用";
return Result.fail(message);
}
user.setPassword(password);
userService.add(user);
return Result.success();
}
@PostMapping("/forelogin")
public Object login(@RequestBody User userParam, HttpSession session) {
String name = userParam.getName();
name = HtmlUtils.htmlEscape(name);
User user =userService.get(name,userParam.getPassword());
if(null==user){
String message ="账号密码错误";
return Result.fail(message);
}
else{
session.setAttribute("user", user);
return Result.success();
}
}
@GetMapping("/foreproduct/{pid}")
public Object product(@PathVariable("pid") int pid) {
Product product = productService.get(pid);
List<ProductImage> productSingleImages = productImageService.listSingleProductImages(product);
List<ProductImage> productDetailImages = productImageService.listDetailProductImages(product);
product.setProductSingleImages(productSingleImages);
product.setProductDetailImages(productDetailImages);
List<PropertyValue> pvs = propertyValueService.list(product);
List<Review> reviews = reviewService.list(product);
productService.setSaleAndReviewNumber(product);
productImageService.setFirstProdutImage(product);
Map<String,Object> map= new HashMap<>();
map.put("product", product);
map.put("pvs", pvs);
map.put("reviews", reviews);
return Result.success(map);
}
@GetMapping("forecheckLogin")
public Object checkLogin( HttpSession session) {
User user =(User) session.getAttribute("user");
if(null!=user)
return Result.success();
return Result.fail("未登录");
}
@GetMapping("forecategory/{cid}")
public Object category(@PathVariable int cid,String sort) {
Category c = categoryService.get(cid);
productService.fill(c);
productService.setSaleAndReviewNumber(c.getProducts());
categoryService.removeCategoryFromProduct(c);
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;
}
}
return c;
}
@PostMapping("foresearch")
public Object search( String keyword){
if(null==keyword)
keyword = "";
List<Product> ps= productService.search(keyword,0,20);
productImageService.setFirstProdutImages(ps);
productService.setSaleAndReviewNumber(ps);
return ps;
}
@GetMapping("forebuyone")
public Object buyone(int pid, int num, HttpSession session) {
return buyoneAndAddCart(pid,num,session);
}
private int buyoneAndAddCart(int pid, int num, HttpSession session) {
Product product = productService.get(pid);
int oiid = 0;
User user =(User) session.getAttribute("user");
boolean found = false;
List<OrderItem> ois = orderItemService.listByUser(user);
for (OrderItem oi : ois) {
if(oi.getProduct().getId()==product.getId()){
oi.setNumber(oi.getNumber()+num);
orderItemService.update(oi);
found = true;
oiid = oi.getId();
break;
}
}
if(!found){
OrderItem oi = new OrderItem();
oi.setUser(user);
oi.setProduct(product);
oi.setNumber(num);
orderItemService.add(oi);
oiid = oi.getId();
}
return oiid;
}
@GetMapping("forebuy")
public Object buy(String[] oiid,HttpSession session){
List<OrderItem> orderItems = 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();
orderItems.add(oi);
}
productImageService.setFirstProdutImagesOnOrderItems(orderItems);
session.setAttribute("ois", orderItems);
Map<String,Object> map = new HashMap<>();
map.put("orderItems", orderItems);
map.put("total", total);
return Result.success(map);
}
@GetMapping("foreaddCart")
public Object addCart(int pid, int num, HttpSession session) {
buyoneAndAddCart(pid,num,session);
return Result.success();
}
@GetMapping("forecart")
public Object cart(HttpSession session) {
User user =(User) session.getAttribute("user");
List<OrderItem> ois = orderItemService.listByUser(user);
productImageService.setFirstProdutImagesOnOrderItems(ois);
return ois;
}
@GetMapping("forechangeOrderItem")
public Object changeOrderItem( HttpSession session, int pid, int num) {
User user =(User) session.getAttribute("user");
if(null==user)
return Result.fail("未登录");
List<OrderItem> ois = orderItemService.listByUser(user);
for (OrderItem oi : ois) {
if(oi.getProduct().getId()==pid){
oi.setNumber(num);
orderItemService.update(oi);
break;
}
}
return Result.success();
}
@GetMapping("foredeleteOrderItem")
public Object deleteOrderItem(HttpSession session,int oiid){
User user =(User) session.getAttribute("user");
if(null==user)
return Result.fail("未登录");
orderItemService.delete(oiid);
return Result.success();
}
}
增值内容，请先登录
完整的 Springboot 模仿天猫项目，使用 Springboot 、Vue.js、shiro、redis、elasticsearch 等一整套技术栈， 从无到有涵盖全部129个知识点，565个开发步骤, 充实 Springboot 项目经验，为简历加上一个有吸引力的砝码.
增值内容，点击购买
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
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
2021-11-23
感觉有三处地方需要优化一下，分别是删除之后需要重新加载购物车页面，增减订单数量和删除订单需要判断oiid是否是当前用户的订单
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
2020-11-02
F12修改了a标签oiid,就可以删除其他用户的购物车单项
2020-04-09
站长好，有两个疑问
2019-12-28
项目快抄完了，虽说很多不能完全消化但也收获不少.
2019-12-25
站长好，问一个问题
提问太多，页面渲染太慢，为了加快渲染速度，本页最多只显示几条提问。还有 8 条以前的提问，请 点击查看
提问之前请登陆
提问已经提交成功，正在审核。 请于 我的提问 处查看提问记录，谢谢
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