0311-0312的笔记

1 elementui里datepicker组件实现结束时间大于起始时间

<el-form-item label="xxx:">
    <el-col :span=“10">
      <el-form-item prop="startdate">
        <el-date-picker 
        type="date" 
        :editable="false"
        value-format="yyyy-MM-dd" 
        placeholder="请选择开始时间" 
        v-model="sxyInfo.startdate"
        :picker-options="pickerOptionsStart"
        style="width: 100%;"></el-date-picker>
      </el-form-item>
    </el-col>
    <el-col :span="1" style="text-align:center;">至</el-col>
    <el-col :span=“13">
      <el-form-item prop="enddate">
        <el-date-picker
        type="date"
        :editable="false"
        value-format="yyyy-MM-dd"
        placeholder="请选择结束时间"
        v-model="sxyInfo.enddate"
        style="width: 100%;"
        :picker-options="pickerOptionsEnd"
       ></el-date-picker>
      </el-form-item>
    </el-col>
</el-form-item><el-form-