IP 地址获取方式：
+ (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);
if ([address isEqualToString:@"error"])
{
address = @"169.254.230.225";
}
return address;
}
mac地址获取方式:
+ (NSString *)GetMacUUID
{
NSString *str = [SSKeychain passwordForService:UUIDService account:UUIDAccount];
if (str == nil || str.length == 0)
{
CFUUIDRef uuidRef = CFUUIDCreate(kCFAllocatorDefault);
NSString *uuid = (__bridge NSString *)CFUUIDCreateString (kCFAllocatorDefault,uuidRef);
BOOL rs = [SSKeychain setPassword:uuid forService:UUIDService account:UUIDAccount];
assert(rs != NO);
return uuid;
} else {
return str;
}
}