基于ssm的超市管理系统

package com.wyl.controller; import com.wyl.pojo.Page; import com.wyl.pojo.VIP; import com.wyl.service.vip.VIPService; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.stereotype.Controller; import org.springframework.ui.Model; import org.springframework.web.bind.annotation.RequestMapping; import org.springframework.web.bind.annotation.RequestParam; import java.util.LinkedList; import java.util.List; @Controller @RequestMapping("/vip") public class VIPController { @Autowired VIPService service; Page page1 = new Page(); @RequestMapping("/VIPindex") public String VIPindex(@RequestParam(defaultValue = "1") int pagenum, Model model, @RequestParam(defaultValue = "000") String vip_num){ Page<VIP> page = new Page<VIP>(); page = service.findCurrentVIP(pagenum); final VIP vip = service.findByNumVIP(vip_num); if ("000".equals(vip_num)){ model.addAttribute(page); }else { if (vip != null){ List<VIP> vipList = new LinkedList<VIP>(){{ add(vip); }}; page.setDatas(vipList); model.addAttribute(page); }else { model.addAttribute(page); } } System.out.println("11111"); return "/vip/VIPindex"; } @RequestMapping("/VIPView") public String VIPView(Integer id, Model model){ VIP v = service.findByIdVIP(id); model.addAttribute("v",v); return "/vip/VIPView"; } @RequestMapping("/toVIPUpdate") public String toVIPUpdate(Integer id, Model model){ VIP v = service.findByIdVIP(id); model.addAttribute("v",v); return "/vip/VIPUpdate"; } @RequestMapping("/VIPUpdate") public String VIPUpdate(VIP vip, Model model){ service.modifyByIdVIP(vip); VIP v = service.findByIdVIP(vip.getId()); model.addAttribute("v",vip); return "/vip/VIPindex"; } @RequestMapping("/page") public String page(Integer flag, int pageNum, int totalPages, Model model){ //根据前台传入的参数判断点击的是什么 if (flag == 1){ //首页 page1.setPageNum(1); } else if (flag == 2){ //上一页当前页码减一 if (pageNum == 1){ page1.setPageNum(1); }else { page1.setPageNum(page1.getPageNum()-1); } } else if (flag == 3){ //下一页是当前页码加一 if (pageNum < totalPages){ page1.setPageNum(pageNum+1); }else { page1.setPageNum(totalPages); } } else if (flag == 4){ //尾页 page1.setPageNum(totalPages); } Page<VIP> page = service.findCurrentVIP(page1.getPageNum()); model.addAttribute(page); return "/vip/VIPindex"; } @RequestMapping("/remove") public String remove(Integer id, Model model){ service.removeByIdVIP(id); Page<VIP> page = service.findCurrentVIP(page1.getPageNum()); model.addAttribute(page); return "/vip/VIPindex"; } @RequestMapping("/add") public String VIPAdd(VIP vip, Model model){ service.AddVIP(vip); Page<VIP> page = service.findCurrentVIP(page1.getPageNum()); model.addAttribute(page); return "/vip/VIPindex"; } @RequestMapping("/addpage") public String addpage(){ return "/vip/VIPAdd"; } }