基于Java Spring mybatis的水果商城网站的设计与实现

package com.javay.fruit.control; import java.io.IOException; import java.nio.file.Files; import java.nio.file.Path; import java.nio.file.Paths; import java.util.ArrayList; import javax.servlet.http.HttpSession; 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 org.springframework.web.multipart.MultipartFile; import com.javay.fruit.dao.AnnouncementDao; import com.javay.fruit.dao.FruitDao; import com.javay.fruit.model.Fruit; @Controller("") public class FruitControl { @Autowired private FruitDao fruitDao; @Autowired private AnnouncementDao andao; @RequestMapping("fruitlist") public String login(Model model,String type,HttpSession httpSession) { httpSession.setAttribute("type", type); System.out.println(type); ArrayList<Fruit> fruits = new ArrayList<Fruit>(); for(Fruit fruit : fruitDao.findAll()) { System.out.println(fruit.getType()); if(fruit.getType().equals(type)) { fruits.add(fruit); } } model.addAttribute("fruits", fruits); return "fruits"; } @RequestMapping("findfruit") public String findfruit(Model model,String name) { ArrayList<Fruit> fruits = new ArrayList<Fruit>(); for(Fruit fruit : fruitDao.findAll()) { if(fruit.getType().equals(name)) { fruits.add(fruit); } } model.addAttribute("message", name+"种类"); model.addAttribute("fruits", fruits); model.addAttribute("anlist", andao.findAll()); System.out.println(fruits); return "index"; } @RequestMapping("Delfruits") public String Delfruits(Model model,int id,HttpSession httpSession) { fruitDao.delete(fruitDao.getById(id)); String type=(String) httpSession.getAttribute("type"); ArrayList<Fruit> fruits = new ArrayList<Fruit>(); for(Fruit fruit : fruitDao.findAll()) { System.out.println(fruit.getType()); if(fruit.getType().equals(type)) { fruits.add(fruit); } } model.addAttribute("fruits", fruits); return "fruits"; } @RequestMapping("Addfruits") public String Addfruits(Model model,@RequestParam("file") MultipartFile file,Fruit fruit) { System.out.println(fruit); byte[] bytes; try { bytes = file.getBytes(); Path path = Paths.get("C:\\Users/dell/Documents/workspace-spring-tool-suite-4-4.7.1.RELEASE3/" + "fruit/src/main/resources/static/img/upload/" + file.getOriginalFilename()); Files.write(path, bytes); fruit.setImg("/img/upload/"+file.getOriginalFilename()); } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } fruitDao.save(fruit); ArrayList<Fruit> fruits = new ArrayList<Fruit>(); for(Fruit fruit2 : fruitDao.findAll()) { if(fruit2.getType().equals(fruit.getType())) { fruits.add(fruit2); } } model.addAttribute("fruits", fruits); return "fruits"; } }