外網ip 直接訪問ip網站即可 https的不知道有什麽

#import "IPAddresses.h"

#import <sys/socket.h>

#import <sys/sockio.h>

#import <sys/ioctl.h>

#import <net/if.h>

#import <arpa/inet.h>

#import <ifaddrs.h>

#import <arpa/inet.h>

@implementation IPAddresses

+(NSString *)getDeviceIPAddresses //內網靜態ip

{

int sockfd = socket(AF_INET,SOCK_DGRAM, 0);

// if (sockfd <</span> 0) return nil; //這句報錯，由於轉載的，不太懂，註釋掉無影響，懂的大神歡迎指導

NSMutableArray *ips = [NSMutableArray array];

int BUFFERSIZE =4096;

struct ifconf ifc;

char buffer[BUFFERSIZE], *ptr, lastname[IFNAMSIZ], *cptr;

struct ifreq *ifr, ifrcopy;

ifc.ifc_len = BUFFERSIZE;

ifc.ifc_buf = buffer;

if (ioctl(sockfd,SIOCGIFCONF, &ifc) >= 0){

for (ptr = buffer; ptr < buffer + ifc.ifc_len; ){

ifr = (struct ifreq *)ptr;

int len =sizeof(struct sockaddr);

if (ifr->ifr_addr.sa_len > len) {

len = ifr->ifr_addr.sa_len;

}

ptr += sizeof(ifr->ifr_name) + len;

if (ifr->ifr_addr.sa_family !=AF_INET) continue;

if ((cptr = (char *)strchr(ifr->ifr_name,‘:‘)) != NULL) *cptr =0;

if (strncmp(lastname, ifr->ifr_name,IFNAMSIZ) == 0)continue;

memcpy(lastname, ifr->ifr_name,IFNAMSIZ);

ifrcopy = *ifr;

ioctl(sockfd,SIOCGIFFLAGS, &ifrcopy);

if ((ifrcopy.ifr_flags &IFF_UP) == 0)continue;

NSString *ip = [NSString stringWithFormat:@"%s",inet_ntoa(((struct sockaddr_in *)&ifr->ifr_addr)->sin_addr)];

[ips addObject:ip];

}

}

close(sockfd);

NSString *deviceIP =@"";

for (int i=0; i < ips.count; i++){

if (ips.count >0){

deviceIP = [NSString stringWithFormat:@"%@",ips.lastObject];

}

}

return deviceIP;

}

//內網ip

+ (NSString *)deviceIPAdress {

NSString *address = @"手機移動網絡";

struct ifaddrs *interfaces = NULL;

struct ifaddrs *temp_addr = NULL;

int success = 0;

success = getifaddrs(&interfaces);

if (success == 0) {

temp_addr = interfaces;

while (temp_addr != NULL) {

if( (*temp_addr).ifa_addr->sa_family == AF_INET) {

if ([[NSString stringWithUTF8String:temp_addr->ifa_name] isEqualToString:@"en0"]) {

address = [NSString stringWithUTF8String:inet_ntoa(((struct sockaddr_in *)temp_addr->ifa_addr)->sin_addr)];

}

}

temp_addr = temp_addr->ifa_next;

}

}

freeifaddrs(interfaces);

return address;

}

iOS 獲取內外網ip