解决前后端交互Long类型精度丢失的问题

@JsonSerialize(using= ToStringSerializer.class)
private Long id;

package com.jiawa.wiki.config;

import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.module.SimpleModule;
import com.fasterxml.jackson.databind.ser.std.ToStringSerializer;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.http.converter.json.Jackson2ObjectMapperBuilder;

/**
 * 统一注解，解决前后端交互Long类型精度丢失的问题
 * 公众号：甲蛙全栈
 * 关联视频课程《Spring Boot + Vue3 前后端分离 实战wiki知识库系统》
 *   https://coding.imooc.com/class/474.html
 * 示例网站：http://wiki.courseimooc.com
 */
@Configuration
public class JacksonConfig {
    @Bean
    public ObjectMapper jacksonObjectMapper(Jackson2ObjectMapperBuilder builder) {
        ObjectMapper objectMapper = builder.createXmlMapper(false).build();
        SimpleModule simpleModule = new SimpleModule();
        simpleModule.addSerializer(Long.class, ToStringSerializer.instance);
        objectMapper.registerModule(simpleModule);
        return objectMapper;
    }
}