在VUE style中使用data中的变量的方法

<Upload

   ref="upload"

   :show-upload-list="false"

   :before-upload="handleBeforeUpload"

   :disabled="disabled"

   :max-size="maxSize"

   action
>

<style lang="less" scoped>
.info-img-wrap {

 --textAlignPosition: center;

 /deep/ .ivu-upload {

  text-align: var(--textAlignPosition);

 }

}
<style/>

mounted() {

   this.$nextTick(function () {

    this.$refs.upload.$el.style.setProperty(

     '--textAlignPosition',

     this.textAlign

    );

   });

}

<div v-bind:class="{ 'active': isActive, 'text-danger': hasError }"></div>

data: {

 isActive: false,

 hasError: true

}

<div v-bind:class="\[isActive ? activeClass : '', errorClass\]"></div>

data: {

 isActive: false,

 hasError: true,

 activeClass: 'active',

 errorClass: 'text-danger'
}

<div v-bind:style="{ color: activeColor, fontSize: fontSize + 'px' }"></div>

data: {

 activeColor: 'red',

 fontSize: 30

}

<div v-bind:style="\[styleColor, styleSize\]"></div>

data: {

 styleColor: {

   color: 'red'

  },

 styleSize:{

   fontSize:'23px'

 }

}