代码小tip element-ui tab-pan 加 tooltip， col加点击

 <el-tab-pane name="first">
        <el-tooltip class="item-tabs" effect="light" placement="top"  slot="label">
          <div slot="content">
            11111</br>2222
          </div>
          <span><i class="el-icon-date"></i> title</span>
        </el-tooltip>
        <div>
          <el-row :gutter="20">
            <el-col :class="chartChildIndex === index?'active':''" :span="4" v-for="(item,index) in overViewMap[0]" :key="item.value" @click.native="changeOverMap(0,item.value,index)">
              <div class="grid-content bg-purple">{{item.label}}</div>
              <div class="grid-content bg-purple bg-purple-txt">{{overView[item.value]&&overView[item.value][0][item.value]}}</div>
            </el-col>
          </el-row>
          <data-chart :width='1200' :height='400' :chartInfo= {chartInfoX,chartInfoY,chartInfoL,constractChartInfoY} :isCompare="isCompare" ref="dataChart0" :datachart="'dataChart0'" @callBackName="refreshData"></data-chart>
        </div>
      </el-tab-pane>

1. tab-pan 加 tooltip ：通过 slot="label"完成
2. col加点击 通过@click.native完成