element ui 日期范围选择，只能从当天开始，最多选择30天

<el-date-picker v-model="form.date" type="daterange" :picker-options="pickerOptions"
value-format="yyyy-MM-dd" range-separator="至" start-placeholder="开始日期"
end-placeholder="结束日期">
</el-date-picker>

pickerOptions: {
    disabledDate(time) {
        return time.getTime() < Date.now() - 1 * 24 * 3600 * 1000 || time.getTime() > Date.now() + 30 * 24 * 3600 * 1000;
    }
},