element-ui 怎么解决el-checkbox label绑定的值为对象时，实现默认勾选

that.currentValue.map((item) => {
  const idx = that.selectArr.findIndex(sla => sla[that.valueName] === item[that.valueName])
  that.selectArr[idx] = item
})

　　

that.selectArr为全部数组

that.currentValue 为选中的数组数据