SpringMVC基础-03-RequestMapping常用属性

  pom.xml

  4.0.0
  com.monkey1024
  02mvc
  0.0.1-SNAPSHOT
  war
  
        
            junit
            junit
            3.8.1
            test
        
        
            javax.servlet
            javax.servlet-api
            3.1.0
        
        
            org.springframework
            spring-webmvc
            5.0.4.RELEASE
        

    
    
    	
        02mvc
        
            
            
                org.apache.maven.plugins
                maven-compiler-plugin
                
                    
                    1.8
                    1.8
                    UTF-8
                
            
        
    

web.xml

  4.0.0
  com.monkey1024
  02mvc
  0.0.1-SNAPSHOT
  war
  
        
            junit
            junit
            3.8.1
            test
        
        
            javax.servlet
            javax.servlet-api
            3.1.0
        
        
            org.springframework
            spring-webmvc
            5.0.4.RELEASE
        

    
    
    	
        02mvc
        
            
            
                org.apache.maven.plugins
                maven-compiler-plugin
                
                    
                    1.8
                    1.8
                    UTF-8
                
            
        
    

springmvc.xml

Controller

package com.monkey1024.controller;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.servlet.ModelAndView;


/*
 * 使用注解后就不需要实现接口了
 */
@Controller//表示当前类是一个controller
@RequestMapping("/test")//表示是一个命名空间namespace,抽取出重复的部分
public class HelloSpringMVC  {
	
	
	// 需要处理的url
//	@RequestMapping("/test/test2.do")
	// 只允许提交Post请求
	// 方法名可以随意命名
	@RequestMapping(value="/requestPost.do",method=RequestMethod.POST)
	public ModelAndView reqPost(HttpServletRequest request, HttpServletResponse response) throws Exception {
		ModelAndView mv = new ModelAndView();
		// 类似键值对
		mv.addObject("method","只支持post请求");
		// 连接到jsp
		mv.setViewName("post");
		return mv;
		
		
		
	}
	/*
	 * 以数组的形式，下面两个都可以调用这个方法
	 */
//	@RequestMapping({"/test/hello.do","/test/world.do"})
//	@RequestMapping({"/hello.do","/world.do"})
//	@RequestMapping(value="/test.do",params={"name","age"})
	@RequestMapping(value="/requestGet.do",method=RequestMethod.GET)
	public ModelAndView reqGet(HttpServletRequest request, HttpServletResponse response) throws Exception {
		ModelAndView mv = new ModelAndView();
		// 类似键值对
		mv.addObject("method","只支持get请求");
		// 跳转到jsp
		mv.setViewName("get");
		return mv;
		
		
		
	}

}

get.jsp

package com.monkey1024.controller;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.servlet.ModelAndView;


/*
 * 使用注解后就不需要实现接口了
 */
@Controller//表示当前类是一个controller
@RequestMapping("/test")//表示是一个命名空间namespace,抽取出重复的部分
public class HelloSpringMVC  {
	
	
	// 需要处理的url
//	@RequestMapping("/test/test2.do")
	// 只允许提交Post请求
	// 方法名可以随意命名
	@RequestMapping(value="/requestPost.do",method=RequestMethod.POST)
	public ModelAndView reqPost(HttpServletRequest request, HttpServletResponse response) throws Exception {
		ModelAndView mv = new ModelAndView();
		// 类似键值对
		mv.addObject("method","只支持post请求");
		// 连接到jsp
		mv.setViewName("post");
		return mv;
		
		
		
	}
	/*
	 * 以数组的形式，下面两个都可以调用这个方法
	 */
//	@RequestMapping({"/test/hello.do","/test/world.do"})
//	@RequestMapping({"/hello.do","/world.do"})
//	@RequestMapping(value="/test.do",params={"name","age"})
	@RequestMapping(value="/requestGet.do",method=RequestMethod.GET)
	public ModelAndView reqGet(HttpServletRequest request, HttpServletResponse response) throws Exception {
		ModelAndView mv = new ModelAndView();
		// 类似键值对
		mv.addObject("method","只支持get请求");
		// 跳转到jsp
		mv.setViewName("get");
		return mv;
		
		
		
	}

}

post.jsp 

package com.monkey1024.controller;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.servlet.ModelAndView;


/*
 * 使用注解后就不需要实现接口了
 */
@Controller//表示当前类是一个controller
@RequestMapping("/test")//表示是一个命名空间namespace,抽取出重复的部分
public class HelloSpringMVC  {
	
	
	// 需要处理的url
//	@RequestMapping("/test/test2.do")
	// 只允许提交Post请求
	// 方法名可以随意命名
	@RequestMapping(value="/requestPost.do",method=RequestMethod.POST)
	public ModelAndView reqPost(HttpServletRequest request, HttpServletResponse response) throws Exception {
		ModelAndView mv = new ModelAndView();
		// 类似键值对
		mv.addObject("method","只支持post请求");
		// 连接到jsp
		mv.setViewName("post");
		return mv;
		
		
		
	}
	/*
	 * 以数组的形式，下面两个都可以调用这个方法
	 */
//	@RequestMapping({"/test/hello.do","/test/world.do"})
//	@RequestMapping({"/hello.do","/world.do"})
//	@RequestMapping(value="/test.do",params={"name","age"})
	@RequestMapping(value="/requestGet.do",method=RequestMethod.GET)
	public ModelAndView reqGet(HttpServletRequest request, HttpServletResponse response) throws Exception {
		ModelAndView mv = new ModelAndView();
		// 类似键值对
		mv.addObject("method","只支持get请求");
		// 跳转到jsp
		mv.setViewName("get");
		return mv;
		
		
		
	}

}

index.jsp

Hello World