From 0f1ebf8ab71f8da5909ce7a6fb005f9af399c7cd Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E6=96=AD=E6=B0=B4=E6=B5=81=E5=A4=A7=E6=B9=BF=E5=85=84?=
 <18862253202@qq.com>
Date: Thu, 16 Jan 2020 08:03:13 +0800
Subject: [PATCH] =?UTF-8?q?=E5=9C=A8NetUtil=E4=B8=AD=E6=96=B0=E5=A2=9Eping?=
 =?UTF-8?q?=E5=8A=9F=E8=83=BD?=
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---
 .../main/java/cn/hutool/core/net/NetUtil.java | 25 +++++++++++++++++++
 1 file changed, 25 insertions(+)

diff --git a/hutool-core/src/main/java/cn/hutool/core/net/NetUtil.java b/hutool-core/src/main/java/cn/hutool/core/net/NetUtil.java
index 1d4eb771e..c095f4f8b 100644
--- a/hutool-core/src/main/java/cn/hutool/core/net/NetUtil.java
+++ b/hutool-core/src/main/java/cn/hutool/core/net/NetUtil.java
@@ -658,6 +658,31 @@ public class NetUtil {
 		return StrUtil.isBlank(checkString) || "unknown".equalsIgnoreCase(checkString);
 	}
 
+    /**
+     * 检测IP地址是否能ping通
+     *
+     * @param ip IP地址
+     * @return 返回是否ping通
+     */
+    public static boolean ping(String ip) {
+        return ping(ip, 200);
+    }
+
+    /**
+     * 检测IP地址是否能ping通
+     *
+     * @param ip      IP地址
+     * @param timeout 检测超时（毫秒）
+     * @return 是否ping通
+     */
+    public static boolean ping(String ip, int timeout) {
+        try {
+            return InetAddress.getByName(ip).isReachable(timeout); // 当返回值是true时，说明host是可用的，false则不可。
+        } catch (Exception ex) {
+            return false;
+        }
+    }
+    
 	// ----------------------------------------------------------------------------------------- Private method start
 	/**
 	 * 指定IP的long是否在指定范围内