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add 增加 jackson 超出 JS 最大数值自动转字符串(雪花id序列化)处理

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疯狂的狮子li 2021-07-29 13:11:35 +08:00
parent 0bfc4b433b
commit 7e613f8da6
2 changed files with 37 additions and 0 deletions
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8
ruoyi-framework/src/main/java/com/ruoyi/framework/config/JacksonConfig.java
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@ -2,15 +2,19 @@ package com.ruoyi.framework.config;
import com.fasterxml.jackson.databind.ObjectMapper; import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.module.SimpleModule; import com.fasterxml.jackson.databind.module.SimpleModule;
import com.fasterxml.jackson.databind.ser.std.ToStringSerializer;
import com.fasterxml.jackson.datatype.jsr310.deser.LocalDateTimeDeserializer; import com.fasterxml.jackson.datatype.jsr310.deser.LocalDateTimeDeserializer;
import com.fasterxml.jackson.datatype.jsr310.ser.LocalDateTimeSerializer; import com.fasterxml.jackson.datatype.jsr310.ser.LocalDateTimeSerializer;
import com.ruoyi.common.utils.JsonUtils; import com.ruoyi.common.utils.JsonUtils;
import com.ruoyi.framework.jackson.BigNumberSerializer;
import lombok.extern.slf4j.Slf4j; import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.BeansException; import org.springframework.beans.BeansException;
import org.springframework.beans.factory.config.BeanPostProcessor; import org.springframework.beans.factory.config.BeanPostProcessor;
import org.springframework.context.annotation.Bean; import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration; import org.springframework.context.annotation.Configuration;
import java.math.BigDecimal;
import java.math.BigInteger;
import java.time.LocalDateTime; import java.time.LocalDateTime;
import java.util.TimeZone; import java.util.TimeZone;
@ -34,6 +38,10 @@ public class JacksonConfig {
ObjectMapper objectMapper = (ObjectMapper) bean; ObjectMapper objectMapper = (ObjectMapper) bean;
// 全局配置序列化返回 JSON 处理 // 全局配置序列化返回 JSON 处理
SimpleModule simpleModule = new SimpleModule(); SimpleModule simpleModule = new SimpleModule();
simpleModule.addSerializer(Long.class, BigNumberSerializer.INSTANCE);
simpleModule.addSerializer(Long.TYPE, BigNumberSerializer.INSTANCE);
simpleModule.addSerializer(BigInteger.class, BigNumberSerializer.INSTANCE);
simpleModule.addSerializer(BigDecimal.class, ToStringSerializer.instance);
simpleModule.addSerializer(LocalDateTime.class, LocalDateTimeSerializer.INSTANCE); simpleModule.addSerializer(LocalDateTime.class, LocalDateTimeSerializer.INSTANCE);
simpleModule.addDeserializer(LocalDateTime.class, LocalDateTimeDeserializer.INSTANCE); simpleModule.addDeserializer(LocalDateTime.class, LocalDateTimeDeserializer.INSTANCE);
objectMapper.registerModule(simpleModule); objectMapper.registerModule(simpleModule);

29
ruoyi-framework/src/main/java/com/ruoyi/framework/jackson/BigNumberSerializer.java Normal file
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@ -0,0 +1,29 @@
package com.ruoyi.framework.jackson;
import com.fasterxml.jackson.core.JsonGenerator;
import com.fasterxml.jackson.databind.SerializerProvider;
import com.fasterxml.jackson.databind.annotation.JacksonStdImpl;
import com.fasterxml.jackson.databind.ser.std.NumberSerializer;
import java.io.IOException;
@JacksonStdImpl
public class BigNumberSerializer extends NumberSerializer {
private static final long JS_NUM_MAX = 9007199254740992L;
private static final long JS_NUM_MIN = -9007199254740992L;
public static final BigNumberSerializer INSTANCE = new BigNumberSerializer(Number.class);
public BigNumberSerializer(Class<? extends Number> rawType) {
super(rawType);
}
@Override
public void serialize(Number value, JsonGenerator gen, SerializerProvider provider) throws IOException {
if (value.longValue() >= JS_NUM_MIN && value.longValue() <= JS_NUM_MAX) {
super.serialize(value, gen, provider);
} else {
gen.writeString(value.toString());
}
}
}