- 在pom.xml中添加fastjson依賴
<!-- 添加fastjson依賴 -->
<dependency>
<groupId>com.alibaba</groupId>
<artifactId>fastjson</artifactId>
<version>1.2.15</version>
</dependency>
配置fastjson
第一種方法:啓動類繼承extends WebMvcConfigurerAdapter
覆蓋方法configureMessageConverters
@SpringBootApplication
public class ApiCoreApp extends WebMvcConfigurerAdapter {
@Override
@Override
public void configureMessageConverters(List<HttpMessageConverter<?>> converters) {
//1.需要先定義一個Convert 轉換消息的對象;
FastJsonHttpMessageConverter fastConverter = new FastJsonHttpMessageConverter();
//2.添加fastjson的配置信息,比如:是否要格式化返回就送數據;
FastJsonConfig fastJsonConfig = new FastJsonConfig();
fastJsonConfig.setSerializerFeatures(
SerializerFeature.PrettyFormat
);
//3.在Convert中添加配置信息;
fastConverter.setFastJsonConfig(fastJsonConfig);
//4.將canvert添加到converters當中
converters.add(fastConverter);
}
第二種方法:
在App.java啓動類中,注入Bean : HttpMessageConverters。
@Bean
public HttpMessageConverters fastJsonHttpMessageConverters() {
//1.需要先定義一個Convert 轉換消息的對象;
FastJsonHttpMessageConverter fastConverter = new FastJsonHttpMessageConverter();
//2.添加fastjson的配置信息,比如:是否要格式化返回就送數據;
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);
}
運行後出現中文亂碼:(解決)
//處理中文亂碼問題
List<MediaType> fastMediaTypes = new ArrayList<>();
fastMediaTypes.add(MediaType.APPLICATION_JSON_UTF8);
fastConverter.setSupportedMediaTypes(fastMediaTypes);