UIAlertController 2021-08-02

    UIAlertController *alert = [UIAlertController alertControllerWithTitle:@"举报" message:@"请选择举报类型" preferredStyle:UIAlertControllerStyleActionSheet];
    
    for (NSString *title in @[@"欺骗",@"虚假宣传",@"涉黄",@"敏感问题 ",@"其他"]) {
        UIAlertAction *action = [UIAlertAction actionWithTitle:title style:UIAlertActionStyleDefault handler:^(UIAlertAction * _Nonnull action) {
            
            [SVProgressHUD show];
            dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(0.3 * NSEC_PER_SEC)), dispatch_get_main_queue(), ^{
                [SVProgressHUD dismiss];
                [SVProgressHUD showSuccessWithStatus:@"操作成功!"];
            });
        }];
        [alert addAction:action];
    }
    UIAlertAction *canenl = [UIAlertAction actionWithTitle:@"取消" style:UIAlertActionStyleCancel handler:nil];
    [alert addAction:canenl];
    [self presentViewController:alert animated:true completion:nil];

UIAlertControllerStyleAlert:

   UIAlertController *alert = [UIAlertController alertControllerWithTitle:@"创建新专辑" message:nil preferredStyle:UIAlertControllerStyleAlert];

UIPopoverPresentationController *popover = alert.popoverPresentationController;

if (popover) {

    popover.sourceView = self.view;//展示位置的视图
    popover.sourceRect = self.view.bounds;//展示位置的大小
    popover.permittedArrowDirections = UIPopoverArrowDirectionAny;

}

[alert addTextFieldWithConfigurationHandler:^(UITextField * _Nonnull textField) {
    textField.placeholder = @"请输入新专辑名称";

// textField.keyboardType = UIKeyboardTypeDecimalPad;
}];

//添加一个确定按钮 并获取AlertView中的第一个输入框 将其文本赋值给BUTTON的title
[alert addAction:[UIAlertAction actionWithTitle:@"确定" style:UIAlertActionStyleDefault handler:^(UIAlertAction * _Nonnull action) {
    UITextField *envirnmentNameTextField = alert.textFields.firstObject;
    NSLog(@"你输入的文本======%@",envirnmentNameTextField.text);
    NSString *content = envirnmentNameTextField.text;
    content = [content stringByReplacingOccurrencesOfString:@" " withString:@""];
    if (content.length > 0) {
        NSString *timeStr = [KKKLFunc currentDateStr];
        NSDictionary *jsonD = @{@"name":content,@"time":timeStr,@"list":@[]};
        [weakSelf.zjList addObject:jsonD];
        
        SAVEDEFAULTSS(weakSelf.zjList, @"zjList")
        
        [weakSelf.tableView reloadData];
    }
}]];

[alert addAction:[UIAlertAction actionWithTitle:@"取消" style:UIAlertActionStyleCancel handler:^(UIAlertAction * _Nonnull action) {}]];

//弹出提示框；
[self presentViewController:alert animated:true completion:nil];