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/PingUtil.m

@@ -0,0 +1,36 @@
+//
+//  PingUtil.m
+//  PingUtil
+//
+//  Created by Rudy Yang on 2017/10/18.
+//  Copyright © 2017年 Rudy Yang. All rights reserved.
+//
+
+#import "PingUtil.h"
+#import "PingManager.h"
+
+@implementation PingUtil
+
++ (void)pingHost:(NSString *)host success:(void(^)(NSInteger msCount))success failure:(void(^)(void))failure {
+    [self pingHosts:@[host] success:^(NSArray<NSNumber *> *msCounts) {
+        success([msCounts.firstObject integerValue]);
+    } failure:^{
+        failure();
+    }];
+}
+
++ (void)pingHosts:(NSArray<NSString *> *)hosts success:(void(^)(NSArray<NSNumber *>* msCounts))success failure:(void(^)(void))failure {
+    NSMutableArray *msCounts = @[].mutableCopy;
+    for (NSString *host in hosts) {
+        PingManager *pingManager = [[PingManager alloc] init];
+        [pingManager pingHost:host success:^(NSInteger msCount) {
+            [msCounts addObject:@(msCount)];
+        } failure:^{
+            
+        }];
+    }
+    success(msCounts);
+}
+
+
+@end