@Configurationpublic class SessionConfig implements WebMvcConfigurer{ ???????@Override ???public void configureMessageConverters(List<HttpMessageConverter<?>> converters) { ???????FastJsonHttpMessageConverter fastJsonConverter = new FastJsonHttpMessageConverter(); ???????FastJsonConfig fjc = new FastJsonConfig(); ???????SerializeConfig serializeConfig = SerializeConfig.globalInstance; ???????serializeConfig.put(Long.class , ToStringSerializer.instance); ???????serializeConfig.put(Long.TYPE , ToStringSerializer.instance); ???????fjc.setSerializeConfig(serializeConfig); ???????fastJsonConverter.setFastJsonConfig(fjc); ???????converters.add(fastJsonConverter); ???}}FastJson 配置Long转String类型 ， 解决前后端交互， id过长，失去精度的问题
原文地址：https://www.cnblogs.com/Uzai/p/10304544.html