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Pre Merge pull request !90 from CoderKK/feat-json

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CoderKK 2025-08-20 08:05:26 +00:00 committed by Gitee
commit 5ad9214d92
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2 changed files with 19 additions and 11 deletions
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24
smart-admin-api-java17-springboot3/sa-base/src/main/java/net/lab1024/sa/base/common/json/serializer/LongJsonSerializer.java
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@ -1,14 +1,13 @@
package net.lab1024.sa.base.common.json.serializer; package net.lab1024.sa.base.common.json.serializer;
import com.fasterxml.jackson.core.JsonGenerator; import com.fasterxml.jackson.core.JsonGenerator;
import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.JsonSerializer; import com.fasterxml.jackson.databind.JsonSerializer;
import com.fasterxml.jackson.databind.SerializerProvider; import com.fasterxml.jackson.databind.SerializerProvider;
import java.io.IOException; import java.io.IOException;
/** /**
* Long类型序列化 * Long类型序列化 超出 JS 最大最小值 处理
* *
* @Author 1024创新实验室-主任: 卓大 * @Author 1024创新实验室-主任: 卓大
* @Date 2020-06-02 22:55:07 * @Date 2020-06-02 22:55:07
@ -20,17 +19,20 @@ public class LongJsonSerializer extends JsonSerializer<Long> {
public static final LongJsonSerializer INSTANCE = new LongJsonSerializer(); public static final LongJsonSerializer INSTANCE = new LongJsonSerializer();
/**
* JS 安全整数范围
* 根据 JS Number.MIN_SAFE_INTEGER 与 Number.MAX_SAFE_INTEGER 得来
*/
private static final long JS_MIN_SAFE_INTEGER = -9007199254740991L;
private static final long JS_MAX_SAFE_INTEGER = 9007199254740991L;
@Override @Override
public void serialize(Long value, JsonGenerator gen, SerializerProvider serializerProvider) throws IOException, JsonProcessingException { public void serialize(Long value, JsonGenerator gen, SerializerProvider provider) throws IOException {
if (null == value) { // 如果超出了 JavaScript 安全整数范围，则序列化为字符串
gen.writeNull(); if (value < JS_MIN_SAFE_INTEGER || value > JS_MAX_SAFE_INTEGER) {
return; gen.writeString(Long.toString(value));
}
// js中最大安全整数16位 Number.MAX_SAFE_INTEGER
String longStr = String.valueOf(value);
if (longStr.length() > 16) {
gen.writeString(longStr);
} else { } else {
// 否则，序列化为数字
gen.writeNumber(value); gen.writeNumber(value);
} }
} }

6
smart-admin-api-java17-springboot3/sa-base/src/main/java/net/lab1024/sa/base/config/JsonConfig.java
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@ -2,6 +2,7 @@ package net.lab1024.sa.base.config;
import cn.hutool.core.date.DatePattern; import cn.hutool.core.date.DatePattern;
import cn.hutool.core.date.LocalDateTimeUtil; import cn.hutool.core.date.LocalDateTimeUtil;
import com.fasterxml.jackson.databind.ser.std.ToStringSerializer;
import com.fasterxml.jackson.datatype.jsr310.deser.LocalDateDeserializer; import com.fasterxml.jackson.datatype.jsr310.deser.LocalDateDeserializer;
import com.fasterxml.jackson.datatype.jsr310.deser.LocalDateTimeDeserializer; import com.fasterxml.jackson.datatype.jsr310.deser.LocalDateTimeDeserializer;
import com.fasterxml.jackson.datatype.jsr310.ser.LocalDateSerializer; import com.fasterxml.jackson.datatype.jsr310.ser.LocalDateSerializer;
@ -13,6 +14,8 @@ import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration; import org.springframework.context.annotation.Configuration;
import org.springframework.core.convert.converter.Converter; import org.springframework.core.convert.converter.Converter;
import java.math.BigDecimal;
import java.math.BigInteger;
import java.time.LocalDate; import java.time.LocalDate;
import java.time.LocalDateTime; import java.time.LocalDateTime;
import java.time.format.DateTimeParseException; import java.time.format.DateTimeParseException;
@ -37,6 +40,9 @@ public class JsonConfig {
builder.serializers(new LocalDateSerializer(DatePattern.NORM_DATE_FORMAT.getDateTimeFormatter())); builder.serializers(new LocalDateSerializer(DatePattern.NORM_DATE_FORMAT.getDateTimeFormatter()));
builder.serializers(new LocalDateTimeSerializer(DatePattern.NORM_DATETIME_FORMAT.getDateTimeFormatter())); builder.serializers(new LocalDateTimeSerializer(DatePattern.NORM_DATETIME_FORMAT.getDateTimeFormatter()));
builder.serializerByType(Long.class, LongJsonSerializer.INSTANCE); builder.serializerByType(Long.class, LongJsonSerializer.INSTANCE);
builder.serializerByType(Long.TYPE, LongJsonSerializer.INSTANCE);
builder.serializerByType(BigInteger.class, ToStringSerializer.instance);
builder.serializerByType(BigDecimal.class, ToStringSerializer.instance);
}; };
} }