iOS开发，获取WIFI配置信息，WIFI名称、网关（路由器地址）、本机IP地址、DNS等 |
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DEMO地址（看代码，什么就都有了）：https://github.com/SimpleBraver/test_wifi.git 1、获取当前手机WIFI名称信息 #import //iOS获取当前手机WIFI名称信息 -(NSString *)fetchSSIDInfo { NSString *currentSSID = @"Not Found"; CFArrayRef myArray = CNCopySupportedInterfaces(); if (myArray != nil){ NSDictionary* myDict = (__bridge NSDictionary *) CNCopyCurrentNetworkInfo(CFArrayGetValueAtIndex(myArray, 0)); if (myDict!=nil){ currentSSID=[myDict valueForKey:@"SSID"]; /* myDict包含信息： { BSSID = "ac:29:3a:99:33:45"; SSID = "三千"; SSIDDATA = ; } */ } else { currentSSID=@""; } } else { currentSSID=@""; } CFRelease(myArray); return currentSSID; } 2、获取网关、本机地址、子网掩码等信息注意：需要先引入getgateway.h （DEMO里面有） //获取网关信息 #import #import #import #import "getgateway.h" //获取网关等信息 - (NSString *)getGatewayIpForCurrentWiFi { NSString *address = @"error"; 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) { 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"]) { address = [NSString stringWithUTF8String:inet_ntoa(((struct sockaddr_in *)temp_addr->ifa_addr)->sin_addr)]; NSLog(@"本机地址：%@",address); //routerIP----192.168.1.255 广播地址 NSLog(@"广播地址：%@",[NSString stringWithUTF8String:inet_ntoa(((struct sockaddr_in *)temp_addr->ifa_dstaddr)->sin_addr)]); //--192.168.1.106 本机地址 NSLog(@"本机地址：%@",[NSString stringWithUTF8String:inet_ntoa(((struct sockaddr_in *)temp_addr->ifa_addr)->sin_addr)]); //--255.255.255.0 子网掩码地址 NSLog(@"子网掩码地址：%@",[NSString stringWithUTF8String:inet_ntoa(((struct sockaddr_in *)temp_addr->ifa_netmask)->sin_addr)]); //--en0 接口 // en0 Ethernet II protocal interface // et0 802.3 protocal interface // ent0 Hardware device interface NSLog(@"接口名：%@",[NSString stringWithUTF8String:temp_addr->ifa_name]); } } temp_addr = temp_addr->ifa_next; } } freeifaddrs(interfaces); in_addr_t i = inet_addr([address cStringUsingEncoding:NSUTF8StringEncoding]); in_addr_t* x = &i; unsigned char *s = getdefaultgateway(x); NSString *ip=[NSString stringWithFormat:@"%d.%d.%d.%d",s[0],s[1],s[2],s[3]]; free(s); return ip; }3、获取DNS服务器地址 Xcode中添加libresolv.dylib // 获取DNS #import // 获取本机DNS服务器 - (NSString *)outPutDNSServers { res_state res = malloc(sizeof(struct __res_state)); int result = res_ninit(res); NSMutableArray *dnsArray = @[].mutableCopy; if ( result == 0 ) { for ( int i = 0; i < res->nscount; i++ ) { NSString *s = [NSString stringWithUTF8String : inet_ntoa(res->nsaddr_list[i].sin_addr)]; [dnsArray addObject:s]; } } else{ NSLog(@"%@",@" res_init result != 0"); } res_nclose(res); return dnsArray.firstObject; } |
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