//获取外网IP 方法一：
-(NSString *)getWANIPAddress {
NSError *error;
NSURL *ipURL = [NSURL URLWithString:@"http://pv.sohu.com/cityjson?ie=utf-8"];
NSMutableString *ip = [NSMutableString stringWithContentsOfURL:ipURL encoding:NSUTF8StringEncoding error:&error];
//判断返回字符串是否为所需数据
if ([ip hasPrefix:@"var returnCitySN = "]) {
//对字符串进行处理，然后进行json解析
//删除字符串多余字符串
NSRange range = NSMakeRange(0, 19);
[ip deleteCharactersInRange:range];
NSString * nowIp =[ip substringToIndex:ip.length-1];
//将字符串转换成二进制进行Json解析
NSData * data = [nowIp dataUsingEncoding:NSUTF8StringEncoding];
NSDictionary * dict = [NSJSONSerialization JSONObjectWithData:data options:NSJSONReadingMutableContainers error:nil];
NSLog(@"%@",dict);
return dict[@"cip"] ? dict[@"cip"] : @"";
}
return @"";
}
//获取手机外网IP 方法二
dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_BACKGROUND, 0), ^{
NSURL *ipURL = [NSURL URLWithString:@"http://ip.taobao.com/service/getIpInfo2.php?ip=myip"];
NSData *data = [NSData dataWithContentsOfURL:ipURL];
NSDictionary *ipDic = [NSJSONSerialization JSONObjectWithData:data options:NSJSONReadingMutableContainers error:nil];
NSString *ipStr = nil;
if (ipDic && [ipDic[@"code"] integerValue] == 0) { //获取成功
ipStr = ipDic[@"data"][@"ip"];
}
NSLog(@"===%@",ipStr ? ipStr : @"");
dispatch_async(dispatch_get_main_queue(), ^{
//do something;
});
});
//获取手机内网 IP 方法一
+(NSString *)getIPAddress {
NSString *address = @"error";
struct ifaddrs *interfaces = NULL;
struct ifaddrs *temp_addr = NULL;
int success = 0;
// 检索当前接口,在成功时,返回0
success = getifaddrs(&interfaces);
if (success == 0) {
// 循环链表的接口
temp_addr = interfaces;
while(temp_addr != NULL) {
if(temp_addr->ifa_addr->sa_family == AF_INET) {
// 检查接口是否en0 wifi连接在iPhone上
if([[NSString stringWithUTF8String:temp_addr->ifa_name] isEqualToString:@"en0"]) {
// 得到NSString从C字符串
address = [NSString stringWithUTF8String:inet_ntoa(((struct sockaddr_in *)temp_addr->ifa_addr)->sin_addr)];
}
}
temp_addr = temp_addr->ifa_next;
}
}
// 释放内存
freeifaddrs(interfaces);
return address;
}
//获取手机内网 IP 方法二
//必须在有网的情况下才能获取手机的IP地址
+ (NSString *)deviceIPAdress {
NSString *address = @"an error occurred when obtaining ip address";
struct ifaddrs *interfaces = NULL;
struct ifaddrs *temp_addr = NULL;
int success = 0;
success = getifaddrs(&interfaces);
if (success == 0) { // 0 表示获取成功
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;
}
}
freeifaddrs(interfaces);
NSLog(@"%@", address);
return address;
}