content: package com.ansel;
  
  import org.springframework.boot.SpringApplication;
  import org.springframework.boot.autoconfigure.SpringBootApplication;
  import org.springframework.boot.autoconfigure.http.HttpMessageConverters;
  import org.springframework.context.annotation.Bean;
  import org.springframework.http.converter.HttpMessageConverter;
  
  import com.alibaba.fastjson.serializer.SerializerFeature;
  import com.alibaba.fastjson.support.config.FastJsonConfig;
  import com.alibaba.fastjson.support.spring.FastJsonHttpMessageConverter;
  
  /**
   * 
   * @author Ansel
   *
   */
  @SpringBootApplication
  public class LogisticsApplication {
  
  	public static void main(String[] args) {
  		SpringApplication.run(LogisticsApplication.class, args);
  	}
  
  	@Bean
  	public HttpMessageConverters fastJsonHttpMessageConverters() {
  		// 1.需要定义一个Convert转换消息的对象
  		FastJsonHttpMessageConverter fastConverter = new FastJsonHttpMessageConverter();
  		// 2.添加fastjson的配置信息，比如是否要格式化返回的json数据
  		FastJsonConfig fastJsonConfig = new FastJsonConfig();
  		fastJsonConfig.setSerializerFeatures(SerializerFeature.PrettyFormat);
  		// 3.在convert中添加配置信息
  		fastConverter.setFastJsonConfig(fastJsonConfig);
  
  		HttpMessageConverter<?> converter = fastConverter;
  		return new HttpMessageConverters(converter);
  	}
  }
  