vue 多选框 实现多选 返回选中的数字值vue 多选框 实现多选 返回选中的数字值

vue 页面代码

<el-col>
          <el-form-item label="labal名称" >
          <el-checkbox  v-model="checked" @change="changeAllChecked()">全选
          </el-checkbox>
              <div style="float:none">
                <el-checkbox label="1" v-model="checkedCities">地市级</el-checkbox>
                <el-checkbox label="2" v-model="checkedCities">分子公司级</el-checkbox>
                <el-checkbox label="3" v-model="checkedCities">网公司级</el-checkbox>
              </div>
          <span>选择的值为:{{checkedCities}}</span>
          </el-form-item>

	data() {
		checked: false,
		checkedCities:[],
		checkedArr: ["1", "2", "3"],
	},
	methods:{
		  changeAllChecked: function() {
			if (this.checked) {
				this.checkedCities = this.checkedArr
			} else {
				this.checkedCities = []
			}
		},
	}

运行效果：