SpringBoot框架，前后端分离写的新闻管理系统

package cn.springboottestdemo.testdemo1.controller; import cn.springboottestdemo.testdemo1.pojo.NewsComment; import cn.springboottestdemo.testdemo1.pojo.NewsDetail; import cn.springboottestdemo.testdemo1.service.CommentService; import cn.springboottestdemo.testdemo1.service.NewsService; import cn.springboottestdemo.testdemo1.util.DtoUtil; import cn.springboottestdemo.testdemo1.util.Page; import org.springframework.ui.Model; import org.springframework.web.bind.annotation.RequestMapping; import org.springframework.web.bind.annotation.RequestParam; import org.springframework.web.bind.annotation.ResponseBody; import javax.annotation.Resource; import javax.servlet.http.HttpSession; import java.util.Date; import java.util.HashMap; import java.util.List; import java.util.Map; @org.springframework.stereotype.Controller @RequestMapping("/news") public class Controller extends BaseController { @Resource private NewsService newsService; @Resource private CommentService commentService; @RequestMapping("/get") @ResponseBody public Object get(){ return DtoUtil.returnSuccess(newsService.getlimit()); } @RequestMapping("/get1") @ResponseBody public Object get1(Page page, @RequestParam(value = "title",required = false) String title){ NewsDetail newsDetail=new NewsDetail(); Map map=new HashMap(); if(title==null||title==""){ title=""; newsDetail.setTitle(title); }else{ newsDetail.setTitle(title); } page.setCount(newsService.count(newsDetail)); if (page.getPageIndex()==0||page.getPageIndex()==null){ page.setPageIndex(1); } List<NewsDetail> list=newsService.getlimit1(page,newsDetail); String pageinfo=this.getPageInfo(page,title); map.put("list",list); map.put("pageinfo",pageinfo); map.put("page",page); map.put("title",title); return DtoUtil.returnSuccess(map); } @RequestMapping("/beforlookComment") @ResponseBody public Object beforlookComment(Integer id){ return DtoUtil.returnSuccess(id); } @RequestMapping("/lookComment") @ResponseBody public Object lookComment(Integer newsid){ List<NewsComment> l=commentService.getBynewsId(newsid); return DtoUtil.returnSuccess(l); } @RequestMapping("/update") @ResponseBody public Object update(Integer newsid){ return DtoUtil.returnSuccess(newsid); } @RequestMapping("/doupdate") @ResponseBody public Object doupdate(NewsComment newsComment){ try{ newsComment.setCreatedate(new Date()); int a=commentService.add(newsComment); if(a>0){ return DtoUtil.returnSuccess(); } }catch (Exception e){ e.getStackTrace(); } return DtoUtil.returnFaile(); } @RequestMapping("/delete") @ResponseBody public Object delete(Integer id){ commentService.delete(id); int a=newsService.delete(id); if(a>0){ return DtoUtil.returnSuccess("删除成功！",""); } return DtoUtil.returnFaile("删除失败！",""); } private String getPageInfo(Page page, @RequestParam(required = false) String title){ StringBuffer pageCode = new StringBuffer(); if (page.getPageIndex()>=page.getTatoleCount()){ pageCode.append("<a href='list.html?title="+title+"&pageIndex=1'>首页</a>"); pageCode.append("<a href='list.html?title="+title+"&pageIndex="+(page.getPageIndex()-1)+"'>上一页</a>"); }else if (page.getPageIndex()==1){ pageCode.append("<a href='list.html?title="+title+"&pageIndex="+(page.getPageIndex()+1)+"'>下一页</a>"); pageCode.append("<a href='list.html?title="+title+"&pageIndex="+page.getTatoleCount()+"'>尾页</a>"); } else{ pageCode.append("<a href='list.html?title="+title+"&pageIndex=1'>首页</a>"); pageCode.append("<a href='list.html?title="+title+"&pageIndex="+(page.getPageIndex()-1)+"'>上一页</a>"); pageCode.append("<a href='list.html?title="+title+"&pageIndex="+(page.getPageIndex()+1)+"'>下一页</a>"); pageCode.append("<a href='list.html?title="+title+"&pageIndex="+page.getTatoleCount()+"'>尾页</a>"); } return pageCode.toString(); } }