JQ___的博客

方法：利用css var动态生成颜色变量 <el-select v-model="data" :style="{'--select-borderColor': data? '#ae4e66':'#9d9d9d'}" > <el-option v-for="item in list" :key="item.value" :label="item.label" :value="i

圖例: 步驟: 1.添加屬性 2.在data中添加: expands: [ ] 3.創建方法函數 methods: { setLabel() { let _this = this; this.$nextTick(() => { let cellDiv = document.getElementsByClassName("cell use...