springboot利用jpa连接hibernate用法2

package com.fs; import org.springframework.boot.SpringApplication; import org.springframework.boot.autoconfigure.SpringBootApplication; import org.springframework.boot.autoconfigure.web.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; @SpringBootApplication public class App { /** * 在这里我们使用 @Bean注入 fastJsonHttpMessageConvert * * @return */ @Bean public HttpMessageConverters fastJsonHttpMessageConverters() { // 1、需要先定义一个 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); } public static void main(String[] args) { SpringApplication.run(App.class, args); } }