Initial commit

2017-08-15 16:59:01 +08:00
commit bdc83e07ef
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+//
+//  LxGetCurrentIp.m
+//  Ifish
+//
+//  Created by imac on 16/9/12.
+//  Copyright © 2016年 lianxiang. All rights reserved.
+//
+
+#import "LxGetCurrentIp.h"
+#include <ifaddrs.h>
+#include <arpa/inet.h>
+
+@implementation LxGetCurrentIp
+(NSString *)currentIPAddress
+{
+    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(@"手机的IP是：%@", address);
+    
+    return address;
+    
+    
+}
+@end