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); 
 
  } 
 
} 

<mvc:annotation-driven> 
    <mvc:message-converters register-defaults="true"> 
      <!-- <bean class="com.alibaba.fastjson.support.spring.FastJsonHttpMessageConverter"> --> 
      <bean class="com.jjs.util.JsonHttpMessageConverter"> 
        <property name="supportedMediaTypes"> 
          <list> 
            <value>text/html;charset=UTF-8</value> 
            <value>application/json</value> 
          </list> 
        </property> 
        <property name="features"> 
          <list> 
          <value>WriteDateUseDateFormat</value> 
            <value>WriteMapNullValue</value> 
            <value>QuoteFieldNames</value> 
          </list> 
        </property> 
      </bean> 
    </mvc:message-converters> 
  </mvc:annotation-driven>