javaEE Springmvc，@RequestMapping

Springmvc的jar包下载：https://pan.baidu.com/s/1Uu5R96z4LwwtydGq4B60Xg  密码：8c3n

ItemController.java（Controller后端控制器）：

package com.xxx.springmvc.controller;

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.RequestMethod;
import org.springframework.web.servlet.ModelAndView;

import com.xxx.springmvc.exception.MessageException;
import com.xxx.springmvc.pojo.Items;
import com.xxx.springmvc.service.ItemService;

//商品管理
@Controller
@RequestMapping(value = "/item")
//在类上面设置@RequestMapping的请求URL"/item";方法上的URL"/item/add.action"就可以改为"/add.action"
public class ItemController {
	
	@Autowired
	private ItemService itemService;
	
	
	@RequestMapping(value = {"/add.action","/update.action"})
	//@RequestMapping可以设置多个URL
	public String itemAdd(Model model) throws MessageException{
		//...............
		return "XXX";
	}
	
	@RequestMapping(value = "/updates.action",method = {RequestMethod.POST,RequestMethod.GET,RequestMethod.DELETE})  
	//@RequestMapping的method可以设置多个值(默认可以接收所有请求方式)。
	public ModelAndView updates(Items item){
		
		//..............................
		ModelAndView mav = new ModelAndView();
		mav.setViewName("success");
		return mav;
	}
	
}