常用JS

var arr = [
    { deviceNO: 'A123', age: 25 },
    { deviceNO: 'A345', age: 25 },
    { deviceNO: 'A123', age: 20 },
    { deviceNO: 'A345', age: 30 }
];
function createComparisonFunction(propertyName) {
  return function (object1,object2){
    var value1 = object1[propertyName];
    var value2 = object2[propertyName];
    if (value1 < value2){
      return -1;
    } else if (value1 > value2){
      return 1;
    }else{
      return 0
    }
  }
}

arr.sort(createComparisonFunction("age"))
console.log(arr)

        <u-table-column v-if="item.show" :key="item + index" :label="langObj[item.columnCode]" :prop="item.labelCode"
          :align="item.alignType" :width="parseInt(item.thWidth)" :sortable="true"
          :sort-method="(a, b) => sortMethod(a, b, item.columnCode, item.alignType)">
          <template slot-scope="scope">
            <span :class="spanClass(scope.row, item)">{{ scope.row[item.labelCode] }}</span>
          </template>
        </u-table-column>

    sortMethod(a, b, prop, align) {
      if (align == "right") {
        let at = a[prop] == "-" ? "0" : a[prop];
        let bt = b[prop] == "-" ? "0" : b[prop];
        return at - bt;
      } else {
        if (a[prop] < b[prop]) {
          return -1
        } else if (a[prop] > b[prop]) {
          return 1
        }
      }
    },