iOS获取当前连接的WiFi以及IP地址

导入头文件

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#import 
#import 
#import 

核心代码:

+ (nullable NSString*)getCurrentLocalIP
{
  NSString *address = nil;
  struct ifaddrs *interfaces = NULL;
  struct ifaddrs *temp_addr = NULL;
  int success = 0;
  // retrieve the current interfaces - returns 0 on success
  success = getifaddrs(&interfaces);
  if (success == 0) {
    // Loop through linked list of interfaces
    temp_addr = interfaces;
    while(temp_addr != NULL) {
      if(temp_addr->ifa_addr->sa_family == AF_INET) {
        // Check if interface is en0 which is the wifi connection on the iPhone
        if([[NSString stringWithUTF8String:temp_addr->ifa_name] isEqualToString:@"en0"]) {
          // Get NSString from C String
          address = [NSString stringWithUTF8String:inet_ntoa(((struct sockaddr_in *)temp_addr->ifa_addr)->sin_addr)];
        }
      }
      temp_addr = temp_addr->ifa_next;
    }
  }
  // Free memory
  freeifaddrs(interfaces);
  return address;
}
+ (nullable NSString *)getCurreWiFiSsid {
  NSArray *ifs = (__bridge_transfer id)CNCopySupportedInterfaces();
  NSLog(@"Supported interfaces: %@", ifs);
  id info = nil;
  for (NSString *ifnam in ifs) {
    info = (__bridge_transfer id)CNCopyCurrentNetworkInfo((__bridge CFStringRef)ifnam);
    NSLog(@"%@ => %@", ifnam, info);
    if (info && [info count]) { break; }
  }
  return [(NSDictionary*)info objectForKey:@"SSID"];
}

以上就是本文的全部内容,希望本文的内容对大家的学习或者工作能带来一定的帮助,同时也希望多多支持创新互联!


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