el-select 不能重复选择，注意：删除后可以再次重新被选择

				<el-form-item><el-select v-model="attribute.attributeSelect" @change="changeSelect()" placeholder="请选择属性分组" clearable><el-optionv-for="item in attributeList":key="item.value":label="item.label":value="item.value":disabled="item.disabled"></el-option></el-select></el-form-item><el-button class="el-button" type="text" @click="delAttribute({attribute: attribute, index: attIndex})"><svg-iconclass="svg-icon"name="shanchu":width="16":height="16"type="primary"/></el-button>

// 数据定义
data() {return {attributeList: [{label: 'qwe',value: 'qwe'},{label: 'eee',value: 'eee'},{label: 'ddd',value: 'D'},],// 属性分组attributeGroupForm: [//   单一{attributeSelect: '',}],}},

	changeSelect() {this.setDisable()},// 选项处理setDisable(){this.attributeList.forEach(item=> {let isdisable = this.attributeGroupForm.findIndex((val) => val.attributeSelect ==item.value)if(isdisable!=-1){item.disabled = true}else {item.disabled = false}})},// 添加 分组attributeGroupIndex() {this.attributeGroupForm.push({attributeSelect: '',})},