el-select 可选择可输入

 <el-select
              v-model="saveWardForm.wardCode"
              placeholder=""
              filterable
              @blur="selectBlur"            >
              <el-option
                v-for="(item, index) in virtualWardData"
                :label="item.wardName"
                :value="item.wardCode"
                :key="index"
              ></el-option>
            </el-select>

 methods: {
    selectBlur(e){
      this.saveWardForm.wardCode = e.target.value
    }
}