导入系统头文件 #import 
    
     实现代码NSString *ssid = @"Not Found";    NSString *macIp = @"Not Found";    CFArrayRef myArray = CNCopySupportedInterfaces();    if (myArray != nil) {        CFDictionaryRef myDict = CNCopyCurrentNetworkInfo(CFArrayGetValueAtIndex(myArray, 0));        if (myDict != nil) {            NSDictionary *dict = (NSDictionary*)CFBridgingRelease(myDict);                        ssid = [dict valueForKey:@"SSID"];            macIp = [dict valueForKey:@"BSSID"];        }    }    UIAlertView *av = [[UIAlertView alloc] initWithTitle:ssid                                                 message:macIp                                                delegate:nil                                       cancelButtonTitle:nil                                       otherButtonTitles:@"OK", nil];    [av show];