匯入系統標頭檔案

#import <SystemConfiguration/CaptiveNetwork.h>

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];