需要完整 el-form及 el-form-item 组件中 且 配置 prop,不配置的执行此方法,该输入框值不会重置
<el-form label-width="80px" :model="addInfo" ref="addRef">
<el-form-item label="名称" prop="roleName">
<el-input v-model="addInfo.roleName"></el-input>
</el-form-item>
<el-form-item label="描述" prop="roleDesc">
<el-input v-model="addInfo.roleDesc"></el-input>
</el-form-item>
</el-form>
this.$refs.addRef.resetFields();