1、创建UIAlertController
UIAlertController *alertController = [UIAlertController alertControllerWithTitle:@"新建" message:@"" preferredStyle:UIAlertControllerStyleAlert];UIAlertController *aler
1、创建UIAlertController
UIAlertController *alertController = [UIAlertController alertControllerWithTitle:@"新建" message:@"" preferredStyle:UIAlertControllerStyleAlert];UIAlertController *aler