#pragma mark - 获取当前连接wifi信息- (NSString *)returnWifiName{    NSString *wifiName = @"Not Found";        CFArrayRef myArray = CNCopySupportedInterfaces();        if (myArray != nil) {        CFDictionaryRef myDict = CNCopyCurrentNetworkInfo(CFArrayGetValueAtIndex(myArray, 0));        if (myDict != nil) {            NSDictionary *dict = (NSDictionary*)CFBridgingRelease(myDict);                        wifiName = [dict valueForKey:@"SSID"];}    }    MyLog(@".....");    return wifiName;}