摘要：
// 要用到Reachability.h 和Reachability.m两个文件 -(void)checkNetworkRun { NSLog(@"newtwork44"); SchoolInHandAppDelegate *app = [[UIApplication sharedApplication]delegate]; Reachability *r = [Reachability reachabilityWithHostName:@"www.apple.com"]; switch ([r currentReachabilityStatus]) { 阅读全文
