如何在Yii2中禁用按钮 [英] How to Disable a button in Yii2

问题描述

我正尝试在用户未登录时禁用创建项目 按钮，该按钮将隐藏或禁用.

I'm trying to disable the Create Project Button when the user is not logged in, the button will Hide or disable.

这是我的病情:

<p>
    <?php
    if (Yii::$app->user->isGuest) {
        Html::a('Create a Project', ['create'], ['class' => 'btn btn-primary btn-xs']);
    } elseif(Yii::$app->user->identity->username) {
        Html::a('Create a Project', ['create'], ['class' => 'btn btn-success']);
    }
    ?>
</p>

正在运行，但是，当用户登录时，该按钮已经隐藏！

如何在Yii2中禁用或隐藏按钮并解决该问题?

How can disable or hide the button in Yii2 and fix that problem?

有关于它的任何教程吗?

is there any tutorial about that?

推荐答案

如果仅在用户中检查已记录的，则使用！Yii :: $ app-> user-> isGuest 而您忘记了 echo :

If you are just checking for logged in user then Use !Yii::$app->user->isGuest and you forget echo:

if (!Yii::$app->user->isGuest) {
        echo Html::a('Create a Project', ['create'], ['class' => 'btn btn-primary btn-xs'])
} 

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