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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

   
   	 
    	
    	
    	
    		
     
      characterEncodingFilter
     		
     
      org.springframework.web.filter.CharacterEndodingFilter
     		
     		
     			
      			
      
       encoding
      			
      
       utf-8
      		
     				
     		
     			
      
       forceEncoding
      			
      
       true
      		
     			
    	
    		
     
      characterEncodingFilter
     		
     
      /*
     	
    	
    	
    		
     
      springMVC
     		
     		
     
      org.springframework.web.servlet.DispatcherServlet
     		
     			
      
       contextConfigLocation
      			
      
       classpath:springmvc.xml
      		
     		
     
      1
     	
    	
    		
     
      springMVC
     		
     
      /
     	
    
   

springmvc.xml

Controller

package com.monkey1024.controller;import org.springframework.stereotype.Controller;import org.springframework.web.bind.annotation.RequestMapping;import org.springframework.web.bind.annotation.RequestParam;import org.springframework.web.servlet.ModelAndView;@Controller@RequestMapping("/user")public class ParamsController01 {		/*	 * 表单参数名称和方法参数名称不一致的情况	 */	@RequestMapping("/params02")	public ModelAndView getParams02(@RequestParam(name="username") String t_username, @RequestParam(name="age",defaultValue="18") int t_age) throws Exception{		// 方法的参数名需要跟前台页面中的表单里面的input的name一致		ModelAndView mv = new ModelAndView();		mv.addObject("username",t_username);		mv.addObject("age",t_age);		mv.setViewName("result ");		return mv;	}}

regist.jsp

<%@ page language="java" contentType="text/html; charset=utf-8"    pageEncoding="utf-8"%>	
   
    		姓名:
    		
    
		年龄:
    		
    
		
    	
   

result.jsp

<%@ page language="java" contentType="text/html; charset=utf-8"    pageEncoding="utf-8"%>姓名：${username }
年龄:${age }

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