首先写一个filter的js文件

import Vue from 'vue'
Vue.filter("formatDate", formatDate);
Vue.prototype.formatDate = formatDate;
function formatDate(value) {
  var date = new Date(value);
  var year = date.getFullYear();
  var month = date.getMonth() + 1;
  var day = date.getDate();
  if (month < 10) {
    month = "0" + month;
  }
  if (day < 10) {
    day = "0" + day;
  }
  return year + "-" + month + "-" + day;
}
Vue.filter("formatDateTime", function formatDateTime(value) {
  var date = new Date(value);
  var year = date.getFullYear();
  var month = date.getMonth() + 1;
  var day = date.getDate();
  var hours = date.getHours();
  var minutes = date.getMinutes();
  if (month < 10) {
    month = "0" + month;
  }
  if (day < 10) {
    day = "0" + day;
  }
  return year + "-" + month + "-" + day + " " + hours + ":" + minutes;
});

在vue的代码里面，registertime 是后台返回的数据

    <!--时间转化-->
   <el-table-column fixed label='注册日期' prop="registertime" width="170px">
    <template slot-scope="scope">
      {{scope.row.registertime | formatDateTime}}
       </template>
   </el-table-column>

效果截图