springmvc fastjson 反序列化时间格式化方法(推荐)

package com.jjs.util;  import java.io.IOException;  import org.springframework.http.HttpOutputMessage; import org.springframework.http.converter.HttpMessageNotWritableException;  import com.alibaba.fastjson.JSON; import com.alibaba.fastjson.serializer.SerializerFeature; import com.alibaba.fastjson.support.spring.FastJsonHttpMessageConverter;  public class JsonHttpMessageConverter extends FastJsonHttpMessageConverter {    @Override   protected void writeInternal(Object obj, HttpOutputMessage outputMessage)       throws IOException, HttpMessageNotWritableException {     // TODO Auto-generated method stub     JSON.DEFFAULT_DATE_FORMAT = "yyyy-MM-dd HH";     JSON.toJSONString(obj, SerializerFeature.WriteDateUseDateFormat);     super.writeInternal(obj, outputMessage);    }  }