SpringBoot 添加fastjson

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1.先在項目中添加fastjson依賴：

<dependency><groupId>com.alibaba</groupId><artifactId>fastjson</artifactId><version>${fastjson.version}</version></dependency>

2.1第一種方法，讓入口類實現WebMvcConfigure介面，並重寫configureMessageConverters方法：

public class App implements WebMvcConfigurer{     ......  }

重寫方法：

public void configureMessageConverters(List<HttpMessageConverter<?>> converters) {//第一種配置fastJson方法FastJsonHttpMessageConverter fastJsonHttpMessageConverter = new FastJsonHttpMessageConverter();FastJsonConfig fastJsonConfig = new FastJsonConfig();fastJsonConfig.setSerializerFeatures(SerializerFeature.PrettyFormat);//處理中文亂碼問題        List<MediaType> fastMediaTypes = new ArrayList<MediaType>();        fastMediaTypes.add(MediaType.APPLICATION_JSON_UTF8);        fastJsonHttpMessageConverter.setSupportedMediaTypes(fastMediaTypes);        fastJsonHttpMessageConverter.setFastJsonConfig(fastJsonConfig);converters.add(fastJsonHttpMessageConverter);}

2.2第二種方法，直接在入口類加入@Bean註解並加入方法：

@Beanpublic HttpMessageConverters fastJsonHttpMessage() {FastJsonHttpMessageConverter fastJsonHttpMessageConverter = new FastJsonHttpMessageConverter();FastJsonConfig fastJsonConfig = new FastJsonConfig();fastJsonConfig.setSerializerFeatures(SerializerFeature.PrettyFormat);//處理中文亂碼問題        List<MediaType> fastMediaTypes = new ArrayList<MediaType>();        fastMediaTypes.add(MediaType.APPLICATION_JSON_UTF8);        fastJsonHttpMessageConverter.setSupportedMediaTypes(fastMediaTypes);        fastJsonHttpMessageConverter.setFastJsonConfig(fastJsonConfig);return new HttpMessageConverters(fastJsonHttpMessageConverter);}

　　

SpringBoot 添加fastjson