需要在web.xml文件中配置过滤器：

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