【SSM项目】销售管理系统源码文件.zip

package com.dgut.ssm.controller; import com.dgut.ssm.bean.Goods; import com.dgut.ssm.service.GoodsService; import com.dgut.ssm.service.UserService; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.stereotype.Controller; import org.springframework.ui.Model; import org.springframework.web.bind.annotation.*; import javax.servlet.http.HttpServletRequest; import java.util.List; @Controller @RequestMapping("/goods") public class GoodsConttoller { @Autowired private GoodsService service; @Autowired private UserService userService; @GetMapping("/list") public String list(Model model) { List<Goods> goods = service.getAllGoods(); model.addAttribute("goods", goods); return "goodList"; } @GetMapping("/edit/{id}") public String edit(@PathVariable("id") Integer id, Model model) { Goods goods = service.getGoodsById(id); model.addAttribute("goods", goods); return "goodsEdit"; } @PutMapping("/update") public String update(Goods goods) { service.updateGoods(goods); return "redirect:/goods/list"; } @ModelAttribute public void prepareModel(@RequestParam(value = "goodsId", required = false) Integer id, HttpServletRequest request, Model model) { String servletPath = request.getServletPath(); System.out.println(servletPath); if (servletPath.equals("/goods/update")) { Goods goods = service.getGoodsById(id); //用id获取更改前数据库中的数据 model.addAttribute("goods", goods); } } @GetMapping("del/{id}") public String del(@PathVariable("id") Integer id) { service.delGoodsByid(id); //TODO model就是页面，要往页面存取东西才要加model return "redirect:/goods/list"; } @GetMapping("goodsAdd") public String goodsAdd() { return "goodsAdd"; } @PostMapping("add") public String add(Goods goods) { service.AddGoods(goods); return "redirect:/goods/list"; } @PostMapping("login") public String loginCheck(String userName, String passWord) { String res = userService.CheckUserByName(userName, passWord); if (res.equals("fail")) return "loginFail"; else /*return "goodList";这样写url还是login，而且没有拿到数据*/ //返回的目录是被拦截的，加上了前后缀，无法直接return到index，可以使用重定向和转发指令？ return "redirect:/goods/list"; } }