package com.ltkj.tduck.handler;
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import com.fasterxml.jackson.core.JsonGenerator;
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import com.fasterxml.jackson.databind.JsonSerializer;
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import com.fasterxml.jackson.databind.SerializerProvider;
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import java.io.IOException;
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/**
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* @author : wangqing
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* @description : Long转string 避免返回前端丢失精度
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* @create : 2022/03/10 15:07
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**/
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public class LongToStringSerializer extends JsonSerializer<Long> {
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/**
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* Method that can be called to ask implementation to serialize
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* values of type this serializer handles.
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*
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* @param value Value to serialize; can <b>not</b> be null.
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* @param gen Generator used to output resulting Json content
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* @param serializers Provider that can be used to get serializers for
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*/
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@Override
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public void serialize(Long value, JsonGenerator gen, SerializerProvider serializers) throws IOException {
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if (value != null && value.toString().length() > 16) {
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gen.writeString(value.toString());
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} else {
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gen.writeNumber(value);
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}
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}
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}
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