本科毕业设计项目+基于SpringBoot的前后端分离的失物招领系统，寻物小帮手，课程设计大作业，前后端分离

package com.zhanghk.controller; import com.github.pagehelper.PageInfo; import com.zhanghk.entity.*; import com.zhanghk.service.CommentService; import com.zhanghk.service.NoticeService; import com.zhanghk.service.PostService; import com.zhanghk.service.TypeService; import com.zhanghk.util.JWTUtil; import com.zhanghk.util.JsonObject; import com.zhanghk.util.R; import com.zhanghk.vo.TypeVo; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.web.bind.annotation.*; import org.springframework.web.multipart.MultipartFile; import javax.annotation.Resource; import javax.servlet.http.HttpServletRequest; import java.io.File; import java.io.IOException; import java.util.*; /** * (Post)表控制层 * * @author makejava * @since 2021-03-22 10:19:07 */ @RestController @RequestMapping("/post") public class PostController { @Resource private PostService postService; @Resource private CommentService commentService; @Autowired private TypeService typeService; @Resource private NoticeService noticeService; /** * 分页查询 * @param page * @param pageSize * @param post * @return */ @RequestMapping("/queryAll") public JsonObject<Post> queryAll(@RequestParam(defaultValue = "1") Integer page, @RequestParam(defaultValue = "10") Integer pageSize, Post post){ //创建返回的对象 JsonObject<Post> jsonObject = new JsonObject<>(); //查询结果列表 PageInfo<Post> postPageInfo = postService.findAll(page,pageSize,post); //填充返回的前端数据对象 jsonObject.setCode(0); jsonObject.setMsg("ok"); jsonObject.setData(postPageInfo.getList()); jsonObject.setCount(postPageInfo.getTotal()); return jsonObject; } /** * 后台删除 * @param ids * @return */ @RequestMapping("/deleteByIds") public R deleteByIds(String ids){ //ids为传入的参数 /deleteByIds?id=ids //将id字符串（"1,2,3"）转为集合对象 List<String> idslist = Arrays.asList(ids.split(",")); // 遍历集合对象，逐个删除 for (String id : idslist){ postService.deleteById(Integer.parseInt(id)); } return R.ok(); } /** * 修改失物信息 * @param post * @return */ @RequestMapping("/update") public R updatePost(@RequestBody Post post){ Post post1 = postService.update(post); if (post1!=null){ return R.ok(); } return R.fail("修改失败"); } /** * 用来渲染主页的功能 暂时没用 */ /** * 用以渲染失物大厅 */ @RequestMapping("/queryLossList") public Map queryLossList(@RequestBody Map<String,String>map){ //创建map对象 用以返回前端 Map m = new HashMap(); Post post = new Post(); if(map.containsKey("typeName")){ String typeName = map.get("typeName"); post.setTypeName(typeName); } if(map.containsKey("title")){ String title = map.get("title"); post.setTitle(title); } if(map.containsKey("address")){ String address = map.get("address"); post.setAddress(address); } if(map.containsKey("content")){ String content = map.get("content"); post.setContent(content); } //失物的flag为1 post.setFlag(1); //从post列表查询为失物的帖子 PageInfo<Post> postPageInfo = postService.findAll(1,100,post); List<Post> postList = postPageInfo.getList(); //遍历列表 放入评论数 for (Post p: postList) { //获取id Integer id = p.getId(); int nums = commentService.getCommentCounts(id); p.setCounts(nums); } //将结果返回前端 m.put("postlist",postList); //查询分类信息 并统计分类相关的post数量 List<TypeVo> typeVoList = typeService.getCountsByFlag(1); m.put("typeVoList",typeVoList); //查询公告信息 （查询最新的） Notice newNotice = noticeService.queryByNewTime(); m.put("newNotice",newNotice); //查询最新评论 List<Comment> comments = commentService.queryByNewTime(); m.put("comments",comments); //根据状态 查询具体的记录数 //失物招领 完成 1 0 int swzl = postService.getCountsByFlagAndStatus(1,0); //失物招领 未完成 1 1 int wswzl = postService.getCountsByFlagAndStatus(1,1); //寻物启事 完成 0 0 int xuqs = postService.getCountsByFlagAndStatus(0,0); //寻物启事 未完成 0 1 int wxwqs = postService.getCountsByFlagAndStatus(0,1); m.put("swzl",swzl); m.put("wswzl",wswzl); m.put("xuqs",xuqs); m.put("wxwqs",wxwqs); return m; } /** * 用以渲染寻物大厅 */ @RequestMapping("/queryFoundList") public Map queryFoundList(@RequestBody Map<String,String> map){ Map m = new HashMap(); Post post = new Post(); post.setFlag(0); if (map.containsKey("typeName")){ String typeName = map.get("typeName"); post.setTypeName(typeName); } if(map.containsKey("title")){ String title = map.get("title"); post.setTitle(title); } if(map.containsKey("address")){ String address = map.get("address"); post.setAddress(address); } if(map.containsKey("content")){ String content = map.get("content"); post.setContent(content); } PageInfo<Post> postPageInfo = postService.findAll(1,100,post); List<Post> postList = postPageInfo.getList(); //遍历列表 放入评论数 for (Post p: postList) { //获取id Integer id = p.getId(); int nums = commentService.getCommentCounts(id); p.setCounts(nums); } m.put("postlist",postList); //查询分类信息 并统计分类相关的post数量 List<TypeVo> typeVoList = typeService.getCountsByFlag(0); m.put("typeVoList",typeVoList); //查询公告信息 （查询最新的） Notice newNotice = noticeService.queryByNewTime(); m.put("newNotice",newNotice); //查询最新评论 List<Comment> comments = commentService.queryByNewTime(); m.put("comments",comments); //根据状态 查询具体的记录数 //失物招领 完成 1 0 int swzl = postService.getCountsByFlagAndStatus(1,0); //失物招领 未完成 1 1 int wswzl = postService.getCountsByFlagAndStatus(1,1); //寻物启事 完成 0 0 int xuqs = postService.getCountsByFlagAndStatus(0,0); //寻物启事 未完成 0 1 int wxwqs = postService.getCountsByFlagAndStatus(0,1); m.put("swzl",swzl); m.put("wswzl",wswzl); m.put("xuqs",xuqs); m.put("wxwqs",wxwqs); return m; } /** * 渲染启示的详情信息 */ @RequestMapping("/queryCommentList") public Post queryCommentList(@RequestBody Map<String,String> map){ // public Post queryCommentList(){ //创建map对象 用以返回前端 Map m = new HashMap(); String postId = ""; if (map.containsKey("postId")){ postId = map.get("postId"); } /** * 根据id查询启示详情 queryById 找xml文件，里面封装了返回体 * 1.根据id查询post的详情信息 * 2.查询当前启示发布者的个人信息 * 3.查询�