47 lines
1.2 KiB
Objective-C
47 lines
1.2 KiB
Objective-C
//
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// LxGetCurrentIp.m
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// Ifish
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//
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// Created by imac on 16/9/12.
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// Copyright © 2016年 lianxiang. All rights reserved.
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//
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#import "LxGetCurrentIp.h"
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#include <ifaddrs.h>
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#include <arpa/inet.h>
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@implementation LxGetCurrentIp
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+(NSString *)currentIPAddress
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{
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NSString *address = @"an error occurred when obtaining ip address";
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struct ifaddrs *interfaces = NULL;
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struct ifaddrs *temp_addr = NULL;
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int success = 0;
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success = getifaddrs(&interfaces);
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if (success == 0) { // 0 表示获取成功
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temp_addr = interfaces;
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while (temp_addr != NULL) {
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if( temp_addr->ifa_addr->sa_family == AF_INET) {
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// Check if interface is en0 which is the wifi connection on the iPhone
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if ([[NSString stringWithUTF8String:temp_addr->ifa_name] isEqualToString:@"en0"]) {
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// Get NSString from C String
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address = [NSString stringWithUTF8String:inet_ntoa(((struct sockaddr_in *)temp_addr->ifa_addr)->sin_addr)];
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}
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}
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temp_addr = temp_addr->ifa_next;
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}
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}
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freeifaddrs(interfaces);
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NSLog(@"手机的IP是：%@", address);
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return address;
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}
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@end
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