【study】el-table设置表头背景色

<el-table :header-cell-class-name="rowColor" />


methods: {
        // eslint-disable-next-line consistent-return
        rowColor(rowindex) {
            if (rowindex.column.label === '名称') {
                return 'darkgray-color';
            }
            if (rowindex.column.label === '城市') {
                return 'darkgray-less-color';
            }
        },
        
        
/deep/ .darkgray-color {
    background-color: darkgray !important;
}
/deep/ .darkgray-less-color {
    background-color: rgb(205, 200, 200) !important;
}