🚫 Fastjson

🚫 不推荐使用 Fastjson，可使用 Jackson 自行封装静态类进行调用，可参考：https://github.com/anydong/example-springboot/blob/main/utils/src/main/java/com/example/demo/utils/JsonUtils.java 实现

pom.xml

<!-- https://mvnrepository.com/artifact/com.alibaba/fastjson -->
<dependency>
    <groupId>com.alibaba</groupId>
    <artifactId>fastjson</artifactId>
    <version>1.2.56</version>
</dependency>

配置

package com.example.api.config;
import com.alibaba.fastjson.serializer.SerializerFeature;
import com.alibaba.fastjson.support.config.FastJsonConfig;
import com.alibaba.fastjson.support.spring.FastJsonHttpMessageConverter;
import org.springframework.context.annotation.Configuration;
import org.springframework.http.converter.HttpMessageConverter;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
import java.nio.charset.StandardCharsets;
import java.util.List;
/**
 * WebMvcConfigurerImpl
 *
 * @author Where
 * @date 2019-01-31
 */
@Configuration
public class WebMvcConfigurerImpl implements WebMvcConfigurer {
    @Override
    public void configureMessageConverters(List<HttpMessageConverter<?>> converters) {
        FastJsonHttpMessageConverter converter = new FastJsonHttpMessageConverter();
        FastJsonConfig config = new FastJsonConfig();
        config.setSerializerFeatures(
            SerializerFeature.WriteNullListAsEmpty,
            SerializerFeature.WriteMapNullValue,
            SerializerFeature.UseISO8601DateFormat,
            SerializerFeature.DisableCircularReferenceDetect
        );
        config.setCharset(StandardCharsets.UTF_8);
        converter.setFastJsonConfig(config);
        converters.add(0, converter);
    }
}

参考文献

• 项目地址：https://github.com/alibaba/fastjson
• maven地址：https://mvnrepository.com/artifact/com.alibaba/fastjson