mallsystem/springboot/src/main/java/com/example/controller/CartController.java

package com.example.controller;

import com.example.common.Result_;
import com.example.entity.Cart;
import com.example.service.CartService;
import com.github.pagehelper.PageInfo;
import org.springframework.web.bind.annotation.*;

import javax.annotation.Resource;
import java.util.List;

// 功能：购物车前端操作接口

@RestController
@RequestMapping("/cart")
public class CartController {

    @Resource
    private CartService cartService;

    // 新增购物车商品
    @PostMapping("/add")
    public Result_ add(@RequestBody Cart cart) {
        cartService.add(cart);
        return Result_.success();
    }

    // 根据ID删除购物车商品
    @DeleteMapping("/delete/{id}")
    public Result_ deleteById(@PathVariable Integer id) {
        cartService.deleteById(id);
        return Result_.success();
    }

    // 批量删除购物车商品
    @DeleteMapping("/delete/batch")
    public Result_ deleteBatch(@RequestBody List<Integer> ids) {
        cartService.deleteBatch(ids);
        return Result_.success();
    }

    // 修改购物车商品信息
    @PutMapping("/update")
    public Result_ updateById(@RequestBody Cart cart) {
        cartService.updateById(cart);
        return Result_.success();
    }

    // 根据ID查询购物车商品
    @GetMapping("/selectById/{id}")
    public Result_ selectById(@PathVariable Integer id) {
        Cart cart = cartService.selectById(id);
        return Result_.success(cart);
    }

    // 查询所有购物车商品（可带条件）
    @GetMapping("/selectAll")
    public Result_ selectAll(Cart cart ) {
        List<Cart> list = cartService.selectAll(cart);
        return Result_.success(list);
    }

    // 分页查询购物车商品
    @GetMapping("/selectPage")
    public Result_ selectPage(Cart cart,
                              @RequestParam(defaultValue = "1") Integer pageNum,    // 页码，默认为1
                              @RequestParam(defaultValue = "10") Integer pageSize) { // 每页大小，默认为10
        PageInfo<Cart> page = cartService.selectPage(cart, pageNum, pageSize);
        return Result_.success(page);
    }

}