1、使用cocoapods集成PingUtil

2、在导入、新增、修改的时候刷新ping值

Pods/XYPingUtil/PingUtil/PingManager.h

@@ -0,0 +1,14 @@
+//
+//  PingManger.h
+//  MacTool
+//
+//  Created by Rudy Yang on 2017/9/29.
+//
+
+#import <Foundation/Foundation.h>
+
+@interface PingManager : NSObject
+
+- (void)pingHost:(NSString *)host success:(void(^)(NSInteger msCount))success failure:(void(^)(void))failure;
+
+@end