批量生成假的手机号

NSArray* haoduan=@[@(135),@(136),@(137),@(138),@(139),@(189),@(133),@(131)];
NSString* phoneString = @"";
for (int i=0; i<1000; i++) {
    NSInteger hdKey = arc4random()%8;
    NSInteger phoneNum = arc4random()%88888888+10000000;
        
    phoneString = [phoneString stringByAppendingFormat:@"%@%ld,",haoduan[hdKey],phoneNum]; }
NSLog(@"%@",phoneString);