//获取手机的ip
NSString*ip = [GJWIPHelper deviceIPAdress];
//获取IP的.h文件
#import
@interfaceGJWIPHelper :NSObject
+ (NSString*)deviceIPAdress;//获取设备局域网中IP地址
@end
//获取IP的.m文件
#import"GJWIPHelper.h"
#include <ifaddrs.h>
#include <arpa/inet.h>
@implementationGJWIPHelper
+ (NSString*)deviceIPAdress {
NSString *address =@"an error occurred when obtaining ip address";
structifaddrs *interfaces =NULL;
structifaddrs *temp_addr =NULL;
intsuccess =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->if a_name] isEqualToString:@"en0"]) {
// Get NSString from C String
address = [NSString stringWithUTF8String:inet_ntoa(((structsockaddr_in*)temp_addr->ifa_addr)->sin_addr)];
}
}
temp_addr = temp_addr->ifa_next;
}
}
freeifaddrs(interfaces);
return address;
}
@end
注：不喜勿喷！！！
