1.在对象字段上加注解
@JsonSerialize(using = ToStringSerializer.class)
private Long id;
2.全局解决
package com.mzbz.warehousemanagementsystem.config;
import com.fasterxml.jackson.databind.ser.std.ToStringSerializer;
import org.springframework.boot.autoconfigure.jackson.Jackson2ObjectMapperBuilderCustomizer;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.http.converter.json.Jackson2ObjectMapperBuilder;
import java.math.BigInteger;
@Configuration
public class JacksonConfig {
/**
* Jackson全局转化long类型为String，解决jackson序列化时传入前端Long类型缺失精度问题
*/
@Bean
public Jackson2ObjectMapperBuilderCustomizer jackson2ObjectMapperBuilderCustomizer() {
Jackson2ObjectMapperBuilderCustomizer cunstomizer = new Jackson2ObjectMapperBuilderCustomizer() {
@Override
public void customize(Jackson2ObjectMapperBuilder jacksonObjectMapperBuilder) {
jacksonObjectMapperBuilder.serializerByType(BigInteger.class, ToStringSerializer.instance);
jacksonObjectMapperBuilder.serializerByType(Long.class, ToStringSerializer.instance);
}
};
return cunstomizer;
}
}
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