基于微信小程序+Springboot+Vue社区超市管理系统的分析与设计（源码+lw+讲解部署等）
package com.controller;
import java.io.File;
import java.math.BigDecimal;
import java.net.URL;
import java.text.SimpleDateFormat;
import com.alibaba.fastjson.JSONObject;
import java.util.*;
import org.springframework.beans.BeanUtils;
import javax.servlet.http.HttpServletRequest;
import org.springframework.web.context.ContextLoader;
import javax.servlet.ServletContext;
import com.service.TokenService;
import com.utils.*;
import java.lang.reflect.InvocationTargetException;
import com.service.DictionaryService;
import org.apache.commons.lang3.StringUtils;
import com.annotation.IgnoreAuth;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.*;
import com.baomidou.mybatisplus.mapper.EntityWrapper;
import com.baomidou.mybatisplus.mapper.Wrapper;
import com.entity.*;
import com.entity.view.*;
import com.service.*;
import com.utils.PageUtils;
import com.utils.R;
import com.alibaba.fastjson.*;
/**
* 购物车
* 后端接口
* @author
* @email
*/
@RestController
@Controller
@RequestMapping("/cart")
public class CartController {
private static final Logger logger = LoggerFactory.getLogger(CartController.class);
@Autowired
private CartService cartService;
@Autowired
private TokenService tokenService;
@Autowired
private DictionaryService dictionaryService;
//级联表service
@Autowired
private ShangpinService shangpinService;
@Autowired
private YonghuService yonghuService;
@Autowired
private ChaoshiService chaoshiService;
/**
* 后端列表
*/
@RequestMapping("/page")
public R page(@RequestParam Map<String, Object> params, HttpServletRequest request){
logger.debug("page方法:,,Controller:{},,params:{}",this.getClass().getName(),JSONObject.toJSONString(params));
String role = String.valueOf(request.getSession().getAttribute("role"));
if(StringUtil.isEmpty(role))
return R.error(511,"权限为空");
else if("用户".equals(role))
params.put("yonghuId",request.getSession().getAttribute("userId"));
else if("超市管理员".equals(role))
params.put("chaoshiId",request.getSession().getAttribute("userId"));
if(params.get("orderBy")==null || params.get("orderBy")==""){
params.put("orderBy","id");
}
PageUtils page = cartService.queryPage(params);
//字典表数据转换
List<CartView> list =(List<CartView>)page.getList();
for(CartView c:list){
//修改对应字典表字段
dictionaryService.dictionaryConvert(c, request);
}
return R.ok().put("data", page);
}
/**
* 后端详情
*/
@RequestMapping("/info/{id}")
public R info(@PathVariable("id") Long id, HttpServletRequest request){
logger.debug("info方法:,,Controller:{},,id:{}",this.getClass().getName(),id);
CartEntity cart = cartService.selectById(id);
if(cart !=null){
//entity转view
CartView view = new CartView();
BeanUtils.copyProperties( cart , view );//把实体数据重构到view中
//级联表
ShangpinEntity shangpin = shangpinService.selectById(cart.getShangpinId());
if(shangpin != null){
BeanUtils.copyProperties( shangpin , view ,new String[]{ "id", "createDate"});//把级联的数据添加到view中,并排除id和创建时间字段
view.setShangpinId(shangpin.getId());
}
//级联表
YonghuEntity yonghu = yonghuService.selectById(cart.getYonghuId());
if(yonghu != null){
BeanUtils.copyProperties( yonghu , view ,new String[]{ "id", "createDate"});//把级联的数据添加到view中,并排除id和创建时间字段
view.setYonghuId(yonghu.getId());
}
//修改对应字典表字段
dictionaryService.dictionaryConvert(view, request);
return R.ok().put("data", view);
}else {
return R.error(511,"查不到数据");
}
}
/**
* 后端保存
*/
@RequestMapping("/save")
public R save(@RequestBody CartEntity cart, HttpServletRequest request){
logger.debug("save方法:,,Controller:{},,cart:{}",this.getClass().getName(),cart.toString());
String role = String.valueOf(request.getSession().getAttribute("role"));
if(StringUtil.isEmpty(role))
return R.error(511,"权限为空");
else if("用户".equals(role))
cart.setYonghuId(Integer.valueOf(String.valueOf(request.getSession().getAttribute("userId"))));
Wrapper<CartEntity> queryWrapper = new EntityWrapper<CartEntity>()
.eq("yonghu_id", cart.getYonghuId())
.eq("shangpin_id", cart.getShangpinId())
.eq("buy_number", cart.getBuyNumber())
;
logger.info("sql语句:"+queryWrapper.getSqlSegment());
CartEntity cartEntity = cartService.selectOne(queryWrapper);
if(cartEntity==null){
cart.setCreateTime(new Date());
cart.setInsertTime(new Date());
cartService.insert(cart);
return R.ok();
}else {
return R.error(511,"该商品已添加到购物车");
}
}
/**
* 后端修改
*/
@RequestMapping("/update")
public R update(@RequestBody CartEntity cart, HttpServletRequest request){
logger.debug("update方法:,,Controller:{},,cart:{}",this.getClass().getName(),cart.toString());
String role = String.valueOf(request.getSession().getAttribute("role"));
// if(StringUtil.isEmpty(role))
// return R.error(511,"权限为空");
// else if("用户".equals(role))
// cart.setYonghuId(Integer.valueOf(String.valueOf(request.getSession().getAttribute("userId"))));
//根据字段查询是否有相同数据
Wrapper<CartEntity> queryWrapper = new EntityWrapper<CartEntity>()
.notIn("id",cart.getId())
.andNew()
.eq("yonghu_id", cart.getYonghuId())
.eq("shangpin_id", cart.getShangpinId())
.eq("buy_number", cart.getBuyNumber())
;
logger.info("sql语句:"+queryWrapper.getSqlSegment());
CartEntity cartEntity = cartService.selectOne(queryWrapper);
cart.setUpdateTime(new Date());
if(cartEntity==null){
// String role = String.valueOf(request.getSession().getAttribute("role"));
// if("".equals(role)){
// cart.set
// }
cartService.updateById(cart);//根据id更新
return R.ok();
}else {
return R.error(511,"表中有相同数据");
}
}
/**
* 删除
*/
@RequestMapping("/delete")
public R delete(@RequestBody Integer[] ids){
logger.debug("delete:,,Controller:{},,ids:{}",this.getClass().getName(),ids.toString());
cartService.deleteBatchIds(Arrays.asList(ids));
return R.ok();
}
/**
* 批量上传
*/
@RequestMapping("/batchInsert")
public R save( String fileName){
logger.debug("batchInsert方法:,,Controller:{},,fileName:{}",this.getClass().getName(),fileName);
try {
List<CartEntity> cartList = new ArrayList<>();//上传的东西
Map<String, List<String>> seachFields= new HashMap<>();//要查询的字段
Date date = new Date();
int lastIndexOf = fileName.lastIndexOf(".");
if(lastIndexOf == -1){
return R.error(511,"该文件没有后缀");
}else{
String suffix = fileName.substring(lastIndexOf);
if(!".xls".equals(suffix)){
return R.error(511,"只支持后缀为xls的excel文件");
}else{
URL resource = this.getClass().getClassLoader().getResource("static/upload/" + fileName);//获取文件路径
File file = new File(resource.getFile());
if(!file.exists()){
return R.error(511,"找不到上传文件，请联系管理员");
}else{
List<List<String>> dataList = PoiUtil.poiImport(file.getPath());//读取xls文件
dataList.remove(0);//删除第一行，因为第一行是提示
for(List<String> data:dataList){
//循环
CartEntity cartEntity = new CartEntity();
// cartEntity.setYonghuId(Integer.valueOf(data.get(0))); //所属用户 要改的
// cartEntity.setShangpinId(Integer.valueOf(data.get(0))); //商品 要改的
// cartEntity.setBuyNumber(Integer.valueOf(data.get(0))); //购买数量 要改的
// cartEntity.setCreateTime(date);//时间
// cartEntity.setUpdateTime(new Date(data.get(0))); //更新时间 要改的
// cartEntity.setInsertTime(date);//时间
cartList.add(cartEntity);
//把要查询是否重复的字段放入map中
}
//查询是否重复
cartService.insertBatch(cartList);
return R.ok();
}
}
}
}catch (Exception e){
return R.error(511,"批量插入数据异常，请联系管理员");
}
}
/**
* 前端列表
*/
@IgnoreAuth
@RequestMapping("/list")
public R list(@RequestParam Map<String, Object> params, HttpServletRequest request){
logger.debug("list方法:,,Controller:{},,params:{}",this.getClass().getName(),JSONObject.toJSONString(params));
// 没有指定排序字段就默