团购网站系统：ssm(springboot 社区团购系统 在线团购平台 Java(code&LW)

ssm(springboot 社区团购系统 在线团购平台 Java(code&LW)

开发语言：Java

框架：ssm/springboot + vue

JDK版本：JDK1.8（或11）

服务器：tomcat

数据库：mysql 5.7（或8.0）

数据库工具：Navicat

开发软件：eclipse//idea

依赖管理包：Maven

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另外，如需了解更多代码细节或修改代码功能界面，本人都能提供技术支持。（声音嘎嘎好听喔！）

祝你早日找到合适的代码哦～

package com.controller;import java.text.SimpleDateFormat;import java.util.ArrayList;import java.util.Arrays;import java.util.Calendar;import java.util.Map;import java.util.HashMap;import java.util.Iterator;import java.util.Date;import java.util.List;import javax.servlet.http.HttpServletRequest;import com.utils.ValidatorUtils;import org.apache.commons.lang3.StringUtils;import org.springframework.beans.factory.annotation.Autowired;import org.springframework.format.annotation.DateTimeFormat;import org.springframework.web.bind.annotation.PathVariable;import org.springframework.web.bind.annotation.RequestBody;import org.springframework.web.bind.annotation.RequestMapping;import org.springframework.web.bind.annotation.RequestParam;import org.springframework.web.bind.annotation.RestController;import com.baomidou.mybatisplus.mapper.EntityWrapper;import com.baomidou.mybatisplus.mapper.Wrapper;import com.annotation.IgnoreAuth;import com.entity.NewsEntity;import com.entity.view.NewsView;import com.service.NewsService;import com.service.TokenService;import com.utils.PageUtils;import com.utils.R;import com.utils.MD5Util;import com.utils.MPUtil;import com.utils.CommonUtil;import java.io.IOException;/** * 后端接口 * @author * @email * @date 2023-03-25 14:13:13 */@RestController@RequestMapping("/news")public class NewsController { @Autowired private NewsService newsService; /** * 后端列表 */ @RequestMapping("/page") public R page(@RequestParam Map<String, Object> params,NewsEntity news,HttpServletRequest request){ EntityWrapper<NewsEntity> ew = new EntityWrapper<NewsEntity>();PageUtils page = newsService.queryPage(params, MPUtil.sort(MPUtil.between(MPUtil.likeOrEq(ew, news), params), params)); return R.ok().put("data", page); } /** * 前端列表 */@IgnoreAuth @RequestMapping("/list") public R list(@RequestParam Map<String, Object> params,NewsEntity news, HttpServletRequest request){ EntityWrapper<NewsEntity> ew = new EntityWrapper<NewsEntity>();PageUtils page = newsService.queryPage(params, MPUtil.sort(MPUtil.between(MPUtil.likeOrEq(ew, news), params), params)); return R.ok().put("data", page); }/** * 列表 */ @RequestMapping("/lists") public R list( NewsEntity news){ EntityWrapper<NewsEntity> ew = new EntityWrapper<NewsEntity>(); ew.allEq(MPUtil.allEQMapPre( news, "news")); return R.ok().put("data", newsService.selectListView(ew)); } /** * 查询 */ @RequestMapping("/query") public R query(NewsEntity news){ EntityWrapper< NewsEntity> ew = new EntityWrapper< NewsEntity>(); ew.allEq(MPUtil.allEQMapPre( news, "news")); NewsView newsView = newsService.selectView(ew);return R.ok("查询食堂资讯成功").put("data", newsView); } /** * 后端详情 */ @RequestMapping("/info/{id}") public R info(@PathVariable("id") Long id){ NewsEntity news = newsService.selectById(id); return R.ok().put("data", news); } /** * 前端详情 */@IgnoreAuth @RequestMapping("/detail/{id}") public R detail(@PathVariable("id") Long id){ NewsEntity news = newsService.selectById(id); return R.ok().put("data", news); } /** * 后端保存 */ @RequestMapping("/save") public R save(@RequestBody NewsEntity news, HttpServletRequest request){ news.setId(new Date().getTime()+new Double(Math.floor(Math.random()*1000)).longValue()); //ValidatorUtils.validateEntity(news); newsService.insert(news); return R.ok(); } /** * 前端保存 */ @RequestMapping("/add") public R add(@RequestBody NewsEntity news, HttpServletRequest request){ news.setId(new Date().getTime()+new Double(Math.floor(Math.random()*1000)).longValue()); //ValidatorUtils.validateEntity(news); newsService.insert(news); return R.ok(); } /** * 修改 */ @RequestMapping("/update") public R update(@RequestBody NewsEntity news, HttpServletRequest request){ //ValidatorUtils.validateEntity(news); newsService.updateById(news);//全部更新 return R.ok(); } /** * 删除 */ @RequestMapping("/delete") public R delete(@RequestBody Long[] ids){ newsService.deleteBatchIds(Arrays.asList(ids)); return R.ok(); } /** * 提醒接口 */@RequestMapping("/remind/{columnName}/{type}")public R remindCount(@PathVariable("columnName") String columnName, HttpServletRequest request, @PathVariable("type") String type,@RequestParam Map<String, Object> map) {map.put("column", columnName);map.put("type", type);if(type.equals("2")) {SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");Calendar c = Calendar.getInstance();Date remindStartDate = null;Date remindEndDate = null;if(map.get("remindstart")!=null) {Integer remindStart = Integer.parseInt(map.get("remindstart").toString());c.setTime(new Date()); c.add(Calendar.DAY_OF_MONTH,remindStart);remindStartDate = c.getTime();map.put("remindstart", sdf.format(remindStartDate));}if(map.get("remindend")!=null) {Integer remindEnd = Integer.parseInt(map.get("remindend").toString());c.setTime(new Date());c.add(Calendar.DAY_OF_MONTH,remindEnd);remindEndDate = c.getTime();map.put("remindend", sdf.format(remindEndDate));}}Wrapper<NewsEntity> wrapper = new EntityWrapper<NewsEntity>();if(map.get("remindstart")!=null) {wrapper.ge(columnName, map.get("remindstart"));}if(map.get("remindend")!=null) {wrapper.le(columnName, map.get("remindend"));}int count = newsService.selectCount(wrapper);return R.ok().put("count", count);}}