在web.xml配置过滤器：

          
      
               
       
        characterEncodingFilter
               
       
        org.springframework.web.filter.CharacterEncodingFilter
               
       
                    
        
         encoding
                    
        
         UTF-8
                
               
       
                    
        
         forceEncoding
                    
        
         true
                
           
          
      
               
       
        characterEncodingFilter
               
       
        /*