修复JWT自定义时间格式后的时间戳转换问题

hutool-core/src/main/java/cn/hutool/core/convert/ConverterRegistry.java

@@ -38,6 +38,7 @@ import cn.hutool.core.lang.Opt;
 import cn.hutool.core.lang.TypeReference;
 import cn.hutool.core.map.SafeConcurrentHashMap;
 import cn.hutool.core.util.ClassUtil;
+import cn.hutool.core.util.ObjUtil;
 import cn.hutool.core.util.ObjectUtil;
 import cn.hutool.core.util.ReflectUtil;
 import cn.hutool.core.util.ServiceLoaderUtil;
@@ -255,6 +256,11 @@ public class ConverterRegistry implements Serializable {
 			type = ((TypeReference<?>) type).getType();
 		}
 
+		// 自定义对象转换
+		if(value instanceof TypeConverter){
+			return ObjUtil.defaultIfNull((T) ((TypeConverter) value).convert(type, value), defaultValue);
+		}
+
 		// 标准转换器
 		final Converter<T> converter = getConverter(type, isCustomFirst);
 		if (null != converter) {

hutool-core/src/main/java/cn/hutool/core/convert/NumberWithFormat.java

@@ -0,0 +1,72 @@
+package cn.hutool.core.convert;
+
+import cn.hutool.core.convert.impl.DateConverter;
+import cn.hutool.core.convert.impl.TemporalAccessorConverter;
+
+import java.lang.reflect.Type;
+import java.time.temporal.TemporalAccessor;
+import java.util.Date;
+
+/**
+ * 包含格式的数字转换器，主要针对带格式的时间戳
+ *
+ * @author looly
+ * @since 5.8.13
+ */
+public class NumberWithFormat extends Number implements TypeConverter{
+
+	private final Number number;
+	private final String format;
+
+	/**
+	 * 构造
+	 * @param number 数字
+	 * @param format 格式
+	 */
+	public NumberWithFormat(final Number number, final String format) {
+		this.number = number;
+		this.format = format;
+	}
+
+	@SuppressWarnings("unchecked")
+	@Override
+	public Object convert(Type targetType, Object value) {
+		if (targetType instanceof Class) {
+			final Class<?> clazz = (Class<?>) targetType;
+			// https://gitee.com/dromara/hutool/issues/I6IS5B
+			if (Date.class.isAssignableFrom(clazz)) {
+				return new DateConverter((Class<? extends Date>) clazz, format).convert(this.number, null);
+			} else if (TemporalAccessor.class.isAssignableFrom(clazz)) {
+				return new TemporalAccessorConverter(clazz, format).convert(this.number, null);
+			} else if(String.class == clazz){
+				return toString();
+			}
+		}
+		throw new ConvertException("Unsupported target type {}", targetType);
+	}
+
+	@Override
+	public int intValue() {
+		return this.number.intValue();
+	}
+
+	@Override
+	public long longValue() {
+		return this.number.longValue();
+	}
+
+	@Override
+	public float floatValue() {
+		return this.number.floatValue();
+	}
+
+	@Override
+	public double doubleValue() {
+		return this.number.doubleValue();
+	}
+
+	@Override
+	public String toString() {
+		return this.number.toString();
+	}
+}

hutool-core/src/main/java/cn/hutool/core/convert/impl/TemporalAccessorConverter.java

@@ -101,10 +101,8 @@ public class TemporalAccessorConverter extends AbstractConverter<TemporalAccesso
 
 	@Override
 	protected TemporalAccessor convertInternal(Object value) {
-		if (value instanceof Long) {
-			return parseFromLong((Long) value);
-		} else if (value instanceof Integer) {
-			return parseFromLong((long) (Integer) value);
+		if (value instanceof Number) {
+			return parseFromLong(((Number) value).longValue());
 		} else if (value instanceof TemporalAccessor) {
 			return parseFromTemporalAccessor((TemporalAccessor) value);
 		} else if (value instanceof Date) {