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  • IOS 获取手机ip地址

    #include <ifaddrs.h>
    #include <arpa/inet.h>
     
     
    - (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;
    }
     
    转自 http://www.cnblogs.com/yunis/p/3892891.html
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  • 原文地址:https://www.cnblogs.com/wuxiufang/p/4048099.html
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