iOSAPP获取WIFI信息

获取已经连接的WiFi信息
示例代码

// 导入头文件
#import <SystemConfiguration/CaptiveNetwork.h>

// 获取已连接WiFi
+ (NSDictionary *)readSSIDInfoList
{
    NSArray *ifs = (id)CFBridgingRelease(CNCopySupportedInterfaces());
    NSLog(@"%s: Supported interfaces: %@", __func__, ifs);
    NSDictionary *info = nil;
    for (NSString *ifnam in ifs)
    {
        info = (id)CFBridgingRelease(CNCopyCurrentNetworkInfo((CFStringRef)ifnam));
        if (info && [info count])
        {
            break;
        }
    }
    return info;
}

调用

NSDictionary *dict = [NSObject readSSIDInfoList];
NSLog(@"dict = %@", dict);

// 打印结果
2017-10-27 09:41:44.243 AirQuality[2791:923388] dict = {
    BSSID = "bc:xx:xx:xx:2a:31";
    SSID = devZhang;
    SSIDDATA = <7a66616e 67736661 6f6665>;
}