Vue watch监听不起做用

当前页面:home.vue <template>
  <div>
    <div class="chart-wrap">
    <nodata v-if="tableNoData" class="newnodata"></nodata>
    <jtable :tableData="tableData" :showColumns="showColumns" :storeDate="store_date" :isDetail='isDetail'></jtable>
    </div>
  <noNetwork v-if="noNetwork"></noNetwork>
  </div>
</template>
 import nodata from 'src/components/modelNoData.vue'; import noNetwork from 'src/components/noNetwork.vue'; import table from 'src/components/table/table.vue'; export default {   components: {     table,     nodata,     noNetwork   },   data() {     noNetwork: false,     tableNoData: false,
tableData:[]
  } }

 

组件:table.vue
<template> <div class="table" id="table"> <table border="1" borderColor="#e5e5e5" class="scrollTable"> <!-- 表头 --> <thead :class="{'time_xi': tableData.columns[0].field == 'time_xi'}"> </thead> <tbody> <template v-for="(item,indexs) in tableData"> <tr><td></td></tr> <div v-show='i==indexs' class='detailr' :style='{height:h+"rem"}'></div> </template> </tbody> </table> </div> </template> export default { props: ['tableData'], data() { return { i: 'i', } }, watch: { //引用类型变量、采用深度监听 tableData: { // 表格数据刷新后需清空以前查看的订单详情内容 handler: function (newVal, oldVal) { this.i = 'i'; }, deep: true }, }}
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