HLAlertController *alert = [HLAlertController alertControllerWithTitle:@"标题" message:@"副标题 允许换行, 允许换行, 允许换行, 允许换行, 允许换行, 允许换行, 允许换行, 允许换行" preferredStyle:style];

[alert addAction:[HLAlertAction actionWithTitle:@"取消" style:HLAlertActionStyleCancel handler:^(HLAlertAction *action) {
    NSLog(@"button one");
}]];
[alert addAction:[HLAlertAction actionWithTitle:@"正常" style:HLAlertActionStyleDefault handler:^(HLAlertAction *action) {
    NSLog(@"button two");
}]];
[alert addAction:[HLAlertAction actionWithTitle:@"警告" style:HLAlertActionStyleDestructive handler:^(HLAlertAction *action) {
    NSLog(@"button three");
}]];

[self presentViewController:alert animated:YES completion:nil];