有些支付的第三方是要用到下面这段代码的,顺便吐槽一下名气越大的支付SDK,封装的越LOW,我没有说微信。。。。。
一些封装的比较好的SDK像极光推送,也难怪人家过了C轮即将上市。
//iPv4
- (NSString *)getIpAddresses{
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;
}
//ipv6
NSString *address = @"an error occurred when obtaining ip address";
struct ifaddrs *interfaces = NULL;
struct ifaddrs *temp_addr = NULL;
struct sockaddr_in *s4;
struct sockaddr_in6 *s6;
char buf[64];
int success = 0;
Reachability *reach = [Reachability reachabilityWithHostName:@"www.baidu.com"];
NetworkStatus netStatus = [reach currentReachabilityStatus];
//pdp_ip0 手机网络ip地址, en0 wifi 网络地址
NSString *netType = @"en0";
if (netStatus == ReachableViaWWAN) {
netType = @"pdp_ip0";
}
// 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:netType])//en1 on simulator if mac on wifi
{
s4 = (struct sockaddr_in *)temp_addr->ifa_addr;
if (inet_ntop(temp_addr->ifa_addr->sa_family, (void *)&(s4->sin_addr), buf, sizeof(buf)) == NULL)
{
}
else{
address = [NSString stringWithUTF8String:buf];
}
}
} else if (temp_addr->ifa_addr->sa_family == AF_INET6) {
// Check if interface is en0 which is the wifi connection on the iPhone
if([[NSString stringWithUTF8String:temp_addr->ifa_name] isEqualToString:netType])
{
s6 = (struct sockaddr_in6 *)(temp_addr->ifa_addr);
if (inet_ntop(temp_addr->ifa_addr->sa_family, (void *)&(s6->sin6_addr), buf, sizeof(buf)) == NULL)
{
}
else{
address = [NSString stringWithUTF8String:buf];
}
}
}
temp_addr = temp_addr->ifa_next;
}
}
// Free memory
freeifaddrs(interfaces);
NSLog(@"手机的IP是:%@", address);
return address;