iOS 獲取手機的IP地址(內網與外網)
阿新 • • 發佈:2018-11-16
#import <ifaddrs.h> #import <arpa/inet.h> #import <net/if.h> #define IOS_CELLULAR @"pdp_ip0" #define IOS_WIFI @"en0" #define IOS_VPN @"utun0" #define IP_ADDR_IPv4 @"ipv4" #define IP_ADDR_IPv6 @"ipv6" #pragma mark - 獲取裝置當前網路IP地址 + (NSString *)getIPAddress:(BOOL)preferIPv4 { NSArray *searchArray = preferIPv4 ? @[ IOS_VPN @"/" IP_ADDR_IPv4, IOS_VPN @"/" IP_ADDR_IPv6, IOS_WIFI @"/" IP_ADDR_IPv4, IOS_WIFI @"/" IP_ADDR_IPv6, IOS_CELLULAR @"/" IP_ADDR_IPv4, IOS_CELLULAR @"/" IP_ADDR_IPv6 ] : @[ IOS_VPN @"/" IP_ADDR_IPv6, IOS_VPN @"/" IP_ADDR_IPv4, IOS_WIFI @"/" IP_ADDR_IPv6, IOS_WIFI @"/" IP_ADDR_IPv4, IOS_CELLULAR @"/" IP_ADDR_IPv6, IOS_CELLULAR @"/" IP_ADDR_IPv4 ] ; NSDictionary *addresses = [self getIPAddresses]; NSLog(@"addresses: %@", addresses); __block NSString *address; [searchArray enumerateObjectsUsingBlock:^(NSString *key, NSUInteger idx, BOOL *stop) { address = addresses[key]; //篩選出IP地址格式 if([self isValidatIP:address]) *stop = YES; } ]; return address ? address : @"0.0.0.0"; } + (BOOL)isValidatIP:(NSString *)ipAddress { if (ipAddress.length == 0) { return NO; } NSString *urlRegEx = @"^([01]?\\d\\d?|2[0-4]\\d|25[0-5])\\." "([01]?\\d\\d?|2[0-4]\\d|25[0-5])\\." "([01]?\\d\\d?|2[0-4]\\d|25[0-5])\\." "([01]?\\d\\d?|2[0-4]\\d|25[0-5])$"; NSError *error; NSRegularExpression *regex = [NSRegularExpression regularExpressionWithPattern:urlRegEx options:0 error:&error]; if (regex != nil) { NSTextCheckingResult *firstMatch=[regex firstMatchInString:ipAddress options:0 range:NSMakeRange(0, [ipAddress length])]; if (firstMatch) { NSRange resultRange = [firstMatch rangeAtIndex:0]; NSString *result=[ipAddress substringWithRange:resultRange]; //輸出結果 NSLog(@"%@",result); return YES; } } return NO; } + (NSDictionary *)getIPAddresses { NSMutableDictionary *addresses = [NSMutableDictionary dictionaryWithCapacity:8]; // retrieve the current interfaces - returns 0 on success struct ifaddrs *interfaces; if(!getifaddrs(&interfaces)) { // Loop through linked list of interfaces struct ifaddrs *interface; for(interface=interfaces; interface; interface=interface->ifa_next) { if(!(interface->ifa_flags & IFF_UP) /* || (interface->ifa_flags & IFF_LOOPBACK) */ ) { continue; // deeply nested code harder to read } const struct sockaddr_in *addr = (const struct sockaddr_in*)interface->ifa_addr; char addrBuf[ MAX(INET_ADDRSTRLEN, INET6_ADDRSTRLEN) ]; if(addr && (addr->sin_family==AF_INET || addr->sin_family==AF_INET6)) { NSString *name = [NSString stringWithUTF8String:interface->ifa_name]; NSString *type; if(addr->sin_family == AF_INET) { if(inet_ntop(AF_INET, &addr->sin_addr, addrBuf, INET_ADDRSTRLEN)) { type = IP_ADDR_IPv4; } } else { const struct sockaddr_in6 *addr6 = (const struct sockaddr_in6*)interface->ifa_addr; if(inet_ntop(AF_INET6, &addr6->sin6_addr, addrBuf, INET6_ADDRSTRLEN)) { type = IP_ADDR_IPv6; } } if(type) { NSString *key = [NSString stringWithFormat:@"%@/%@", name, type]; addresses[key] = [NSString stringWithUTF8String:addrBuf]; } } } // Free memory freeifaddrs(interfaces); } return [addresses count] ? addresses : nil; }
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一、概念
1.先是獲取內網IP的方法:
#import <ifaddrs.h> #import <arpa/inet.h> #import <net/if.h> #define IOS_CELLULAR @"pdp_ip0" #define IOS_WIFI @"en0" #define IOS_VPN @"utun0" #define IP_ADDR_IPv4 @"ipv4" #define IP_ADDR_IPv6 @"ipv6" #pragma mark - 獲取裝置當前網路IP地址 + (NSString *)getIPAddress:(BOOL)preferIPv4 { NSArray *searchArray = preferIPv4 ? @[ IOS_VPN @"/" IP_ADDR_IPv4, IOS_VPN @"/" IP_ADDR_IPv6, IOS_WIFI @"/" IP_ADDR_IPv4, IOS_WIFI @"/" IP_ADDR_IPv6, IOS_CELLULAR @"/" IP_ADDR_IPv4, IOS_CELLULAR @"/" IP_ADDR_IPv6 ] : @[ IOS_VPN @"/" IP_ADDR_IPv6, IOS_VPN @"/" IP_ADDR_IPv4, IOS_WIFI @"/" IP_ADDR_IPv6, IOS_WIFI @"/" IP_ADDR_IPv4, IOS_CELLULAR @"/" IP_ADDR_IPv6, IOS_CELLULAR @"/" IP_ADDR_IPv4 ] ; NSDictionary *addresses = [self getIPAddresses]; NSLog(@"addresses: %@", addresses); __block NSString *address; [searchArray enumerateObjectsUsingBlock:^(NSString *key, NSUInteger idx, BOOL *stop) { address = addresses[key]; //篩選出IP地址格式 if([self isValidatIP:address]) *stop = YES; } ]; return address ? address : @"0.0.0.0"; } + (BOOL)isValidatIP:(NSString *)ipAddress { if (ipAddress.length == 0) { return NO; } NSString *urlRegEx = @"^([01]?\\d\\d?|2[0-4]\\d|25[0-5])\\." "([01]?\\d\\d?|2[0-4]\\d|25[0-5])\\." "([01]?\\d\\d?|2[0-4]\\d|25[0-5])\\." "([01]?\\d\\d?|2[0-4]\\d|25[0-5])$"; NSError *error; NSRegularExpression *regex = [NSRegularExpression regularExpressionWithPattern:urlRegEx options:0 error:&error]; if (regex != nil) { NSTextCheckingResult *firstMatch=[regex firstMatchInString:ipAddress options:0 range:NSMakeRange(0, [ipAddress length])]; if (firstMatch) { NSRange resultRange = [firstMatch rangeAtIndex:0]; NSString *result=[ipAddress substringWithRange:resultRange]; //輸出結果 NSLog(@"%@",result); return YES; } } return NO; } + (NSDictionary *)getIPAddresses { NSMutableDictionary *addresses = [NSMutableDictionary dictionaryWithCapacity:8]; // retrieve the current interfaces - returns 0 on success struct ifaddrs *interfaces; if(!getifaddrs(&interfaces)) { // Loop through linked list of interfaces struct ifaddrs *interface; for(interface=interfaces; interface; interface=interface->ifa_next) { if(!(interface->ifa_flags & IFF_UP) /* || (interface->ifa_flags & IFF_LOOPBACK) */ ) { continue; // deeply nested code harder to read } const struct sockaddr_in *addr = (const struct sockaddr_in*)interface->ifa_addr; char addrBuf[ MAX(INET_ADDRSTRLEN, INET6_ADDRSTRLEN) ]; if(addr && (addr->sin_family==AF_INET || addr->sin_family==AF_INET6)) { NSString *name = [NSString stringWithUTF8String:interface->ifa_name]; NSString *type; if(addr->sin_family == AF_INET) { if(inet_ntop(AF_INET, &addr->sin_addr, addrBuf, INET_ADDRSTRLEN)) { type = IP_ADDR_IPv4; } } else { const struct sockaddr_in6 *addr6 = (const struct sockaddr_in6*)interface->ifa_addr; if(inet_ntop(AF_INET6, &addr6->sin6_addr, addrBuf, INET6_ADDRSTRLEN)) { type = IP_ADDR_IPv6; } } if(type) { NSString *key = [NSString stringWithFormat:@"%@/%@", name, type]; addresses[key] = [NSString stringWithUTF8String:addrBuf]; } } } // Free memory freeifaddrs(interfaces); } return [addresses count] ? addresses : nil; }
2.獲取外網IP的方法:
//方法一: NSError *error; NSURL *ipURL = [NSURL URLWithString:@"http://ifconfig.me/ip"]; NSString *ip = [NSString stringWithContentsOfURL:ipURL encoding:NSUTF8StringEncoding error:&error]; //方法二:個人推薦用這個請求,速度比較快 /* http://ipof.in/json http://ipof.in/xml http://ipof.in/txt If you want HTTPS you can use the same URLs with https prefix. The advantage being that even if you are on a Wifi you will get the public address. */ NSError *error; NSURL *ipURL = [NSURL URLWithString:@"http://ipof.in/txt"]; NSString *ip = [NSString stringWithContentsOfURL:ipURL encoding:NSUTF8StringEncoding error:&error];
謝謝!!!