springboot/ssm考试系统Java学生在线考试系统web学习论坛源码
基于springboot(可改ssm)+html+vue项目
开发语言：Java
框架：springboot/可改ssm + 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/sqlyog
开发软件：eclipse/idea
依赖管理包：Maven
代码+数据库保证完整可用，可提供远程调试并指导运行服务～
可提供付费讲解以及修改服务，比如题目、界面、功能、框架等等...
千套代码，欢迎带题目咨询哦～～
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 {@Autowiredprivate 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);}}
