1、使用cocoapods集成PingUtil

2、在导入、新增、修改的时候刷新ping值

Pods/Target Support Files/XYPingUtil/XYPingUtil-umbrella.h

@@ -0,0 +1,19 @@
+#ifdef __OBJC__
+#import <Cocoa/Cocoa.h>
+#else
+#ifndef FOUNDATION_EXPORT
+#if defined(__cplusplus)
+#define FOUNDATION_EXPORT extern "C"
+#else
+#define FOUNDATION_EXPORT extern
+#endif
+#endif
+#endif
+
+#import "PingManager.h"
+#import "PingUtil.h"
+#import "SimplePing.h"
+
+FOUNDATION_EXPORT double XYPingUtilVersionNumber;
+FOUNDATION_EXPORT const unsigned char XYPingUtilVersionString[];
+