Element: [Bug Report] DateTimePicker设置clearable为false，但是日期选择里面“清空”按钮并没有隐藏

[phaibin]

Element UI version

2.8.2

OS/Browsers version

macOS Mojave / Chrome 74.0.3729.157

Vue version

2.6.10

Reproduction Link

https://jsfiddle.net/10h37bs5/

Steps to reproduce

点击输入框选择日期

What is Expected?

预期没有清空按钮

What is actually happening?

清空按钮仍然显示

[masongzhi]

https://codepen.io/masongzhi123/pen/gJWKXG?&editable=true
jsfiddle 我打开不了，是否传了字符串的 false 属性，上面demo是正常的

[Jarryham]

https://codepen.io/masongzhi123/pen/gJWKXG?&editable=true
jsfiddle 我打开不了，是否传了字符串的 false 属性，上面demo是正常的

好像把type改为 datetimerange就有问题了

[masongzhi]

https://codepen.io/masongzhi123/pen/mYmKjB
也没问题，你对比下

[Jarryham]

https://codepen.io/masongzhi123/pen/mYmKjB
也没问题，你对比下

下面的下拉出来那里还有清空，输入框里的消失了是没问题的

[masongzhi]

清空和确认这两个按钮是不受 clearable 影响的

<div class="el-picker-panel__footer" v-if="showTime">
    <el-button
        size="mini"
        type="text"
        class="el-picker-panel__link-btn"
        @click="handleClear">
        {{ t('el.datepicker.clear') }}
    </el-button>
    <el-button
        plain
        size="mini"
        class="el-picker-panel__link-btn"
        :disabled="btnDisabled"
        @click="handleConfirm(false)">
        {{ t('el.datepicker.confirm') }}
    </el-button>
</div>

[phaibin]

输入框里的叉叉确实没有了，但是下面的清空按钮还在，所以看源码就知道肯定是有问题的了。

既然clearable的用意是不允许删除，下面的清空按钮也应该隐藏掉。

[azchatlanin]

Are your English is bad?

[quanquan2100]

我也认为既然 clearable 为 false 那么, 底下不应该显示"清空"

[a631807682]

https://github.com/ElemeFE/element/pull/17447

[stale[bot]]

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