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update 更新 BigNumberSerializer 注释

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疯狂的狮子li
2021-07-29 14:28:08 +08:00
parent 0158fb437d
commit d29a7adc9a
1 changed files with 16 additions and 3 deletions
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19
ruoyi-framework/src/main/java/com/ruoyi/framework/jackson/BigNumberSerializer.java
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@@ -7,11 +7,23 @@ import com.fasterxml.jackson.databind.ser.std.NumberSerializer;
import java.io.IOException;
/**
* 超出 JS 最大最小值 处理
*
* @author Lion Li
*/
@JacksonStdImpl
public class BigNumberSerializer extends NumberSerializer {
private static final long JS_NUM_MAX = 9007199254740992L;
private static final long JS_NUM_MIN = -9007199254740992L;
/**
* 根据 JS Number.MAX_SAFE_INTEGER 与 Number.MIN_SAFE_INTEGER 得来
*/
private static final long MAX_SAFE_INTEGER = 9007199254740991L;
private static final long MIN_SAFE_INTEGER = -9007199254740991L;
/**
* 提供实例
*/
public static final BigNumberSerializer INSTANCE = new BigNumberSerializer(Number.class);
public BigNumberSerializer(Class<? extends Number> rawType) {
@@ -20,7 +32,8 @@ public class BigNumberSerializer extends NumberSerializer {
@Override
public void serialize(Number value, JsonGenerator gen, SerializerProvider provider) throws IOException {
if (value.longValue() >= JS_NUM_MIN && value.longValue() <= JS_NUM_MAX) {
// 超出范围 序列化位字符串
if (value.longValue() > MAX_SAFE_INTEGER && value.longValue() < MIN_SAFE_INTEGER) {
super.serialize(value, gen, provider);
} else {
gen.writeString(value.toString());