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  • 获取手机wifi下的网络地址

    #import "getIPhoneIP.h"
    #import <ifaddrs.h>
    #import <arpa/inet.h>
    
    @implementation getIPhoneIP
    //create by huangys
    +(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;
    }
    @end

     获取WIFI在公网中的地址

    http://smghzx.host3v.net/index.asp(目前不知道现在要这个有什么用,先存着吧。。。)

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  • 原文地址:https://www.cnblogs.com/wlsxmhz/p/5695217.html
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