OC获取ip地址
+(NSString *)getIp{ NSError *error;NSURL *ipURL = [NSURL URLWithString:@"http://pv.sohu.com/cityjson?ie=utf-8"]; NSMutableString *ip = [NSMutableString stringWithContentsOfURL:ipURL encoding:NSUTF8StringEncoding error:&error];//判断返回字符串是否为所需数据 if ([ip hasPrefix:@"var returnCitySN = "]) { //删除字符串多余字符串 NSRange range = NSMakeRange(0, 19); [ip deleteCharactersInRange:range]; NSString * nowIp =[ip substringToIndex:ip.length-1]; //将字符串转换成二进制进行Json解析 NSData * data = [nowIp dataUsingEncoding:NSUTF8StringEncoding]; NSDictionary * dict = [NSJSONSerialization JSONObjectWithData:data options:NSJSONReadingMutableContainers error:nil]; NSLog(@"%@",dict); return dict[@"cip"] ? dict[@"cip"] : @""; } return @""; }