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增加 NumberSerializer 注释

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This commit is contained in:
YunaiV 2022-11-30 20:17:05 +08:00
parent cb0daf3c23
commit 650133dda4
1 changed files with 9 additions and 3 deletions
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12
yudao-framework/yudao-spring-boot-starter-web/src/main/java/cn/iocoder/yudao/framework/jackson/core/databind/NumberSerializer.java
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@ -5,20 +5,26 @@ import com.fasterxml.jackson.databind.SerializerProvider;
import com.fasterxml.jackson.databind.annotation.JacksonStdImpl; import com.fasterxml.jackson.databind.annotation.JacksonStdImpl;
import java.io.IOException; import java.io.IOException;
/** /**
* Long序列化规则 * Long 序列化规则
* <p> *
* 会将超长long值转换为string * 会将超长 long 值转换为 string，解决前端 JavaScript 最大安全整数是 2^53-1 的问题
*
* @author 星语
*/ */
@JacksonStdImpl @JacksonStdImpl
public class NumberSerializer extends com.fasterxml.jackson.databind.ser.std.NumberSerializer { public class NumberSerializer extends com.fasterxml.jackson.databind.ser.std.NumberSerializer {
private static final long MAX_SAFE_INTEGER = 9007199254740991L; private static final long MAX_SAFE_INTEGER = 9007199254740991L;
private static final long MIN_SAFE_INTEGER = -9007199254740991L; private static final long MIN_SAFE_INTEGER = -9007199254740991L;
public static final NumberSerializer INSTANCE = new NumberSerializer(Number.class); public static final NumberSerializer INSTANCE = new NumberSerializer(Number.class);
public NumberSerializer(Class<? extends Number> rawType) { public NumberSerializer(Class<? extends Number> rawType) {
super(rawType); super(rawType);
} }
@Override @Override
public void serialize(Number value, JsonGenerator gen, SerializerProvider serializers) throws IOException { public void serialize(Number value, JsonGenerator gen, SerializerProvider serializers) throws IOException {
// 超出范围 序列化位字符串 // 超出范围 序列化位字符串