1.在HomepageMepping.xml文件中添加id=findNum
2.HomepageServiceImpl记得添加参数
public String findNum(Req req) { return homepageMapper.findNum(req); }
3.HomepageMepper.javazhong 添加
public ListfindByPage(Req req) ; public Integer updateall(HomepageEntity homepageEntity); public String findNum(Req req); }
4.在controller里面添加
@RequestMapping("/index") public String index(Model model, Req req) { String peopleNum = homepageService.findNum(req); model.addAttribute("Companypeople",peopleNum); return BINDING_INDEX_ADDRESS; }
5.在homepageservice添加
public String findNum(Req req);
6Mepping里面的路径一定要正确