From 6fad5aa90612da223b4e9690cc5ae77afd9ebb25 Mon Sep 17 00:00:00 2001
From: zzzzbw <zzzzbw@gmail.com>
Date: Sun, 17 May 2020 11:07:15 +0800
Subject: [PATCH] =?UTF-8?q?NumberConverter=20Long=E7=B1=BB=E5=9E=8B?=
 =?UTF-8?q?=E5=A2=9E=E5=8A=A0=E6=97=A5=E6=9C=9F=E8=BD=AC=E6=8D=A2?=
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---
 .../cn/hutool/core/convert/impl/NumberConverter.java   | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/hutool-core/src/main/java/cn/hutool/core/convert/impl/NumberConverter.java b/hutool-core/src/main/java/cn/hutool/core/convert/impl/NumberConverter.java
index b102c0274..8ec0b8886 100644
--- a/hutool-core/src/main/java/cn/hutool/core/convert/impl/NumberConverter.java
+++ b/hutool-core/src/main/java/cn/hutool/core/convert/impl/NumberConverter.java
@@ -1,12 +1,16 @@
 package cn.hutool.core.convert.impl;
 
 import cn.hutool.core.convert.AbstractConverter;
+import cn.hutool.core.date.DateUtil;
 import cn.hutool.core.util.BooleanUtil;
 import cn.hutool.core.util.NumberUtil;
 import cn.hutool.core.util.StrUtil;
 
 import java.math.BigDecimal;
 import java.math.BigInteger;
+import java.time.temporal.TemporalAccessor;
+import java.util.Calendar;
+import java.util.Date;
 import java.util.concurrent.atomic.AtomicInteger;
 import java.util.concurrent.atomic.AtomicLong;
 
@@ -93,6 +97,12 @@ public class NumberConverter extends AbstractConverter<Number> {
 				return ((Number) value).longValue();
 			} else if(value instanceof Boolean) {
 				return BooleanUtil.toLongObj((Boolean)value);
+			} else if (value instanceof Date) {
+				return ((Date) value).getTime();
+			} else if (value instanceof Calendar) {
+				return ((Calendar) value).getTimeInMillis();
+			} else if (value instanceof TemporalAccessor) {
+				return DateUtil.toInstant((TemporalAccessor) value).toEpochMilli();
 			}
 			final String valueStr = convertToStr(value);
 			return StrUtil.isBlank(valueStr) ? null : NumberUtil.parseLong(valueStr);