``` <p ref="p">Hello</p> <children ref="children"></children> ``` ``` this.$refs.p this.$refs.children ``` ``` this.$nextTick(() => { this.$refs['dataForm'].resetFields() this.$refs.menuListTree.setCheckedNodes(cityList) }) ``` ``` <el-form :model="dataForm" ref="dataForm" @keyup.enter.native="dataFormSubmit()" label-width="80px" style="height:400px"> ```