如何在iOS / macOS上以編程方式獲取我的IP地址？我想以編程方式獲取iPad的IP地址。如何查詢網(wǎng)絡(luò)子系統(tǒng)以找出我的IPv4（和IPv6）地址是什么？PS：我可以以某種方式禁用IPv6嗎？
3 回答
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TA貢獻1802條經(jīng)驗 獲得超10個贊
在您的實現(xiàn)文件.m中，
#import <ifaddrs.h>#import <arpa/inet.h>// Get IP Address- (NSString *)getIPAddress {
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) {
// 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;}- 3 回答
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