【功能新增】IOT: ThingModel 服务和事件

src/api/iot/thingmodel/index.ts

@@ -11,7 +11,7 @@ export interface ThingModelData {
   productId?: number // 产品编号
   productKey?: string // 产品标识
   dataType: string // 数据类型，与 dataSpecs 的 dataType 保持一致
-  type: ProductFunctionTypeEnum // 功能类型
+  type: number // 功能类型
   property: ThingModelProperty // 属性
   event?: ThingModelEvent // 事件
   service?: ThingModelService // 服务
@@ -38,18 +38,58 @@ export interface ThingModelService {
   [key: string]: any
 }
 
-// IOT 产品功能（物模型）类型枚举类
-export enum ProductFunctionTypeEnum {
-  PROPERTY = 1, // 属性
-  SERVICE = 2, // 服务
-  EVENT = 3 // 事件
-}
+// IOT 产品物模型类型枚举类
+export const ThingModelType = {
+  PROPERTY: 1, // 属性
+  SERVICE: 2, // 服务
+  EVENT: 3 // 事件
+} as const
 
-// IOT 产品功能（物模型）访问模式枚举类
-export enum ProductFunctionAccessModeEnum {
-  READ_WRITE = 'rw', // 读写
-  READ_ONLY = 'r' // 只读
-}
+// IOT 产品物模型访问模式枚举类
+export const ThingModelAccessMode = {
+  READ_WRITE: {
+    label: '读写',
+    value: 'rw'
+  },
+  READ_ONLY: {
+    label: '只读',
+    value: 'r'
+  }
+} as const
+
+// IOT 产品物模型服务调用方式枚举
+export const ThingModelServiceCallType = {
+  ASYNC: {
+    label: '异步调用',
+    value: 'async'
+  },
+  SYNC: {
+    label: '同步调用',
+    value: 'sync'
+  }
+} as const
+
+// IOT 产品物模型事件类型枚举
+export const ThingModelServiceEventType = {
+  INFO: {
+    label: '信息',
+    value: 'info'
+  },
+  ALERT: {
+    label: '告警',
+    value: 'alert'
+  },
+  ERROR: {
+    label: '故障',
+    value: 'error'
+  }
+} as const
+
+// IOT 产品物模型参数是输入参数还是输出参数
+export const ThingModelParamDirection = {
+  INPUT: 'input', // 输入参数
+  OUTPUT: 'output' // 输出参数
+} as const
 
 // IoT 产品物模型 API
 export const ThingModelApi = {

src/utils/dict.ts

@@ -238,7 +238,7 @@ export enum DICT_TYPE {
   IOT_DEVICE_STATUS = 'iot_device_status', // IOT 设备状态
   IOT_PRODUCT_THING_MODEL_TYPE = 'iot_product_thing_model_type', // IOT 产品功能类型
   IOT_DATA_TYPE = 'iot_data_type', // IOT 数据类型
-  IOT_UNIT_TYPE = 'iot_unit_type', // IOT 单位类型
+  IOT_PRODUCT_THING_MODEL_UNIT = 'iot_product_thing_model_unit', // IOT 物模型单位
   IOT_RW_TYPE = 'iot_rw_type', // IOT 读写类型
   IOT_PLUGIN_DEPLOY_TYPE = 'iot_plugin_deploy_type', // IOT 插件部署类型
   IOT_PLUGIN_STATUS = 'iot_plugin_status', // IOT 插件状态

src/views/iot/thingmodel/ThingModelEvent.vue

@@ -0,0 +1,39 @@
+<template>
+  <el-form-item
+    :rules="[{ required: true, message: '请选择事件类型', trigger: 'change' }]"
+    label="事件类型"
+    prop="thingModelEvent.type"
+  >
+    <el-radio-group v-model="thingModelEvent.type">
+      <el-radio :value="ThingModelServiceEventType.INFO.value">
+        {{ ThingModelServiceEventType.INFO.label }}
+      </el-radio>
+      <el-radio :value="ThingModelServiceEventType.ALERT.value">
+        {{ ThingModelServiceEventType.ALERT.label }}
+      </el-radio>
+      <el-radio :value="ThingModelServiceEventType.ERROR.value">
+        {{ ThingModelServiceEventType.ERROR.label }}
+      </el-radio>
+    </el-radio-group>
+  </el-form-item>
+</template>
+
+<script lang="ts" setup>
+import { useVModel } from '@vueuse/core'
+import { ThingModelEvent, ThingModelServiceEventType } from '@/api/iot/thingmodel'
+
+/** IoT 物模型事件 */
+defineOptions({ name: 'ThingModelEvent' })
+
+const props = defineProps<{ modelValue: any; isStructDataSpecs?: boolean }>()
+const emits = defineEmits(['update:modelValue'])
+const thingModelEvent = useVModel(props, 'modelValue', emits) as Ref<ThingModelEvent>
+</script>
+
+<style lang="scss" scoped>
+:deep(.el-form-item) {
+  .el-form-item {
+    margin-bottom: 0;
+  }
+}
+</style>

src/views/iot/thingmodel/ThingModelForm.vue

@@ -25,10 +25,17 @@
         <el-input v-model="formData.identifier" placeholder="请输入标识符" />
       </el-form-item>
       <!-- 属性配置 -->
-      <ThingModelDataSpecs
-        v-if="formData.type === ProductFunctionTypeEnum.PROPERTY"
+      <ThingModelProperty
+        v-if="formData.type === ThingModelType.PROPERTY"
         v-model="formData.property"
       />
+      <!-- 服务配置 -->
+      <ThingModelService
+        v-if="formData.type === ThingModelType.SERVICE"
+        v-model="formData.service"
+      />
+      <!-- 事件配置 -->
+      <ThingModelEvent v-if="formData.type === ThingModelType.EVENT" v-model="formData.event" />
     </el-form>
 
     <template #footer>
@@ -40,8 +47,10 @@
 
 <script lang="ts" setup>
 import { ProductVO } from '@/api/iot/product/product'
-import ThingModelDataSpecs from './ThingModelDataSpecs.vue'
-import { ProductFunctionTypeEnum, ThingModelApi, ThingModelData } from '@/api/iot/thingmodel'
+import ThingModelProperty from './ThingModelProperty.vue'
+import ThingModelService from './ThingModelService.vue'
+import ThingModelEvent from './ThingModelEvent.vue'
+import { ThingModelApi, ThingModelData, ThingModelType } from '@/api/iot/thingmodel'
 import { IOT_PROVIDE_KEY } from '@/views/iot/utils/constants'
 import { DataSpecsDataType, ThingModelFormRules } from './config'
 import { cloneDeep } from 'lodash-es'
@@ -61,14 +70,16 @@ const dialogTitle = ref('') // 弹窗的标题
 const formLoading = ref(false) // 表单的加载中：1）修改时的数据加载；2）提交的按钮禁用
 const formType = ref('') // 表单的类型：create - 新增；update - 修改
 const formData = ref<ThingModelData>({
-  type: ProductFunctionTypeEnum.PROPERTY,
+  type: ThingModelType.PROPERTY,
   dataType: DataSpecsDataType.INT,
   property: {
     dataType: DataSpecsDataType.INT,
     dataSpecs: {
       dataType: DataSpecsDataType.INT
     }
-  }
+  },
+  service: {},
+  event: {}
 })
 
 const formRef = ref() // 表单 Ref
@@ -104,13 +115,7 @@ const submitForm = async () => {
     data.dataType = data.property.dataType
     data.property.identifier = data.identifier
     data.property.name = data.name
-    // 处理 dataSpecs 为空的情况
-    if (isEmpty(data.property.dataSpecs)) {
-      delete data.property.dataSpecs
-    }
-    if (isEmpty(data.property.dataSpecsList)) {
-      delete data.property.dataSpecsList
-    }
+    removeExtraAttributes(data)
     if (formType.value === 'create') {
       await ThingModelApi.createThingModel(data)
       message.success(t('common.createSuccess'))
@@ -125,10 +130,34 @@ const submitForm = async () => {
   }
 }
 
+/** 删除额外的属性 */
+const removeExtraAttributes = (data: any) => {
+  // 处理 dataSpecs 为空的情况
+  if (isEmpty(data.property.dataSpecs)) {
+    delete data.property.dataSpecs
+  }
+  if (isEmpty(data.property.dataSpecsList)) {
+    delete data.property.dataSpecsList
+  }
+  // 处理不同类型的情况
+  if (data.type === ThingModelType.PROPERTY) {
+    delete data.service
+    delete data.event
+  }
+  if (data.type === ThingModelType.SERVICE) {
+    delete data.property
+    delete data.event
+  }
+  if (data.type === ThingModelType.EVENT) {
+    delete data.property
+    delete data.service
+  }
+}
+
 /** 重置表单 */
 const resetForm = () => {
   formData.value = {
-    type: ProductFunctionTypeEnum.PROPERTY,
+    type: ThingModelType.PROPERTY,
     dataType: DataSpecsDataType.INT,
     property: {
       dataType: DataSpecsDataType.INT,

src/views/iot/thingmodel/ThingModelDataSpecs.vue → src/views/iot/thingmodel/ThingModelProperty.vue

@@ -77,8 +77,12 @@
   />
   <el-form-item v-if="!isStructDataSpecs" label="读写类型" prop="property.accessMode">
     <el-radio-group v-model="property.accessMode">
-      <el-radio label="rw">读写</el-radio>
-      <el-radio label="r">只读</el-radio>
+      <el-radio :label="ThingModelAccessMode.READ_WRITE.value">
+        {{ ThingModelAccessMode.READ_WRITE.label }}
+      </el-radio>
+      <el-radio :label="ThingModelAccessMode.READ_ONLY.value">
+        {{ ThingModelAccessMode.READ_ONLY.label }}
+      </el-radio>
     </el-radio-group>
   </el-form-item>
   <el-form-item label="属性描述" prop="description">
@@ -101,10 +105,10 @@ import {
   ThingModelNumberDataSpecs,
   ThingModelStructDataSpecs
 } from './dataSpecs'
-import { ThingModelProperty } from '@/api/iot/thingmodel'
+import { ThingModelAccessMode, ThingModelProperty } from '@/api/iot/thingmodel'
 
 /** IoT 物模型数据 */
-defineOptions({ name: 'ThingModelDataSpecs' })
+defineOptions({ name: 'ThingModelProperty' })
 
 const props = defineProps<{ modelValue: any; isStructDataSpecs?: boolean }>()
 const emits = defineEmits(['update:modelValue'])
@@ -117,6 +121,7 @@ const getDataTypeOptions = computed(() => {
           !([DataSpecsDataType.STRUCT, DataSpecsDataType.ARRAY] as any[]).includes(item.value)
       )
 }) // 获得数据类型列表
+
 /** 属性值的数据类型切换时初始化相关数据 */
 const handleChange = (dataType: any) => {
   property.value.dataSpecsList = []

src/views/iot/thingmodel/ThingModelService.vue

@@ -0,0 +1,36 @@
+<template>
+  <el-form-item
+    :rules="[{ required: true, message: '请选择调用方式', trigger: 'change' }]"
+    label="调用方式"
+    prop="service.callType"
+  >
+    <el-radio-group v-model="service.callType">
+      <el-radio :value="ThingModelServiceCallType.ASYNC.value">
+        {{ ThingModelServiceCallType.ASYNC.label }}
+      </el-radio>
+      <el-radio :value="ThingModelServiceCallType.SYNC.value">
+        {{ ThingModelServiceCallType.SYNC.label }}
+      </el-radio>
+    </el-radio-group>
+  </el-form-item>
+</template>
+
+<script lang="ts" setup>
+import { useVModel } from '@vueuse/core'
+import { ThingModelService, ThingModelServiceCallType } from '@/api/iot/thingmodel'
+
+/** IoT 物模型服务 */
+defineOptions({ name: 'ThingModelService' })
+
+const props = defineProps<{ modelValue: any; isStructDataSpecs?: boolean }>()
+const emits = defineEmits(['update:modelValue'])
+const service = useVModel(props, 'modelValue', emits) as Ref<ThingModelService>
+</script>
+
+<style lang="scss" scoped>
+:deep(.el-form-item) {
+  .el-form-item {
+    margin-bottom: 0;
+  }
+}
+</style>

src/views/iot/thingmodel/dataSpecs/ThingModelNumberDataSpecs.vue

@@ -47,10 +47,10 @@
       @change="unitChange"
     >
       <el-option
-        v-for="(item, index) in UnifyUnitSpecsDTO"
+        v-for="(item, index) in getStrDictOptions(DICT_TYPE.IOT_PRODUCT_THING_MODEL_UNIT)"
         :key="index"
-        :label="item.Name + '-' + item.Symbol"
-        :value="item.Name + '-' + item.Symbol"
+        :label="item.label + '-' + item.value"
+        :value="item.label + '-' + item.value"
       />
     </el-select>
   </el-form-item>
@@ -58,8 +58,8 @@
 
 <script lang="ts" setup>
 import { useVModel } from '@vueuse/core'
-import { UnifyUnitSpecsDTO } from '@/views/iot/utils/constants'
 import { DataSpecsNumberDataVO } from '../config'
+import { DICT_TYPE, getStrDictOptions } from '@/utils/dict'
 
 /** 数值型的 dataSpecs 配置组件 */
 defineOptions({ name: 'ThingModelNumberDataSpecs' })

src/views/iot/thingmodel/dataSpecs/ThingModelStructDataSpecs.vue

@@ -35,7 +35,7 @@
         <el-input v-model="formData.identifier" placeholder="请输入标识符" />
       </el-form-item>
       <!-- 属性配置 -->
-      <ThingModelDataSpecs v-model="formData.property" is-struct-data-specs />
+      <ThingModelProperty v-model="formData.property" is-struct-data-specs />
     </el-form>
 
     <template #footer>
@@ -47,7 +47,7 @@
 
 <script lang="ts" setup>
 import { useVModel } from '@vueuse/core'
-import ThingModelDataSpecs from '../ThingModelDataSpecs.vue'
+import ThingModelProperty from '../ThingModelProperty.vue'
 import { DataSpecsDataType, ThingModelFormRules } from '../config'
 import { isEmpty } from '@/utils/is'
 

src/views/iot/utils/constants.ts

@@ -2,534 +2,3 @@
 export const IOT_PROVIDE_KEY = {
   PRODUCT: 'IOT_PRODUCT'
 }
-// TODO puhui999: 物模型数字数据类型单位类型，后面改成字典获取
-export const UnifyUnitSpecsDTO = [
-  {
-    Symbol: 'L/min',
-    Name: '升每分钟'
-  },
-  {
-    Symbol: 'mg/kg',
-    Name: '毫克每千克'
-  },
-  {
-    Symbol: 'NTU',
-    Name: '浊度'
-  },
-  {
-    Symbol: 'pH',
-    Name: 'PH值'
-  },
-  {
-    Symbol: 'dS/m',
-    Name: '土壤EC值'
-  },
-  {
-    Symbol: 'W/㎡',
-    Name: '太阳总辐射'
-  },
-  {
-    Symbol: 'mm/hour',
-    Name: '降雨量'
-  },
-  {
-    Symbol: 'var',
-    Name: '乏'
-  },
-  {
-    Symbol: 'cP',
-    Name: '厘泊'
-  },
-  {
-    Symbol: 'aw',
-    Name: '饱和度'
-  },
-  {
-    Symbol: 'pcs',
-    Name: '个'
-  },
-  {
-    Symbol: 'cst',
-    Name: '厘斯'
-  },
-  {
-    Symbol: 'bar',
-    Name: '巴'
-  },
-  {
-    Symbol: 'ppt',
-    Name: '纳克每升'
-  },
-  {
-    Symbol: 'ppb',
-    Name: '微克每升'
-  },
-  {
-    Symbol: 'uS/cm',
-    Name: '微西每厘米'
-  },
-  {
-    Symbol: 'N/C',
-    Name: '牛顿每库仑'
-  },
-  {
-    Symbol: 'V/m',
-    Name: '伏特每米'
-  },
-  {
-    Symbol: 'ml/min',
-    Name: '滴速'
-  },
-  {
-    Symbol: 'mmHg',
-    Name: '毫米汞柱'
-  },
-  {
-    Symbol: 'mmol/L',
-    Name: '血糖'
-  },
-  {
-    Symbol: 'mm/s',
-    Name: '毫米每秒'
-  },
-  {
-    Symbol: 'turn/m',
-    Name: '转每分钟'
-  },
-  {
-    Symbol: 'count',
-    Name: '次'
-  },
-  {
-    Symbol: 'gear',
-    Name: '档'
-  },
-  {
-    Symbol: 'stepCount',
-    Name: '步'
-  },
-  {
-    Symbol: 'Nm3/h',
-    Name: '标准立方米每小时'
-  },
-  {
-    Symbol: 'kV',
-    Name: '千伏'
-  },
-  {
-    Symbol: 'kVA',
-    Name: '千伏安'
-  },
-  {
-    Symbol: 'kVar',
-    Name: '千乏'
-  },
-  {
-    Symbol: 'uw/cm2',
-    Name: '微瓦每平方厘米'
-  },
-  {
-    Symbol: '只',
-    Name: '只'
-  },
-  {
-    Symbol: '%RH',
-    Name: '相对湿度'
-  },
-  {
-    Symbol: 'm³/s',
-    Name: '立方米每秒'
-  },
-  {
-    Symbol: 'kg/s',
-    Name: '公斤每秒'
-  },
-  {
-    Symbol: 'r/min',
-    Name: '转每分钟'
-  },
-  {
-    Symbol: 't/h',
-    Name: '吨每小时'
-  },
-  {
-    Symbol: 'KCL/h',
-    Name: '千卡每小时'
-  },
-  {
-    Symbol: 'L/s',
-    Name: '升每秒'
-  },
-  {
-    Symbol: 'Mpa',
-    Name: '兆帕'
-  },
-  {
-    Symbol: 'm³/h',
-    Name: '立方米每小时'
-  },
-  {
-    Symbol: 'kvarh',
-    Name: '千乏时'
-  },
-  {
-    Symbol: 'μg/L',
-    Name: '微克每升'
-  },
-  {
-    Symbol: 'kcal',
-    Name: '千卡路里'
-  },
-  {
-    Symbol: 'GB',
-    Name: '吉字节'
-  },
-  {
-    Symbol: 'MB',
-    Name: '兆字节'
-  },
-  {
-    Symbol: 'KB',
-    Name: '千字节'
-  },
-  {
-    Symbol: 'B',
-    Name: '字节'
-  },
-  {
-    Symbol: 'μg/(d㎡·d)',
-    Name: '微克每平方分米每天'
-  },
-  {
-    Symbol: '',
-    Name: '无'
-  },
-  {
-    Symbol: 'ppm',
-    Name: '百万分率'
-  },
-  {
-    Symbol: 'pixel',
-    Name: '像素'
-  },
-  {
-    Symbol: 'Lux',
-    Name: '照度'
-  },
-  {
-    Symbol: 'grav',
-    Name: '重力加速度'
-  },
-  {
-    Symbol: 'dB',
-    Name: '分贝'
-  },
-  {
-    Symbol: '%',
-    Name: '百分比'
-  },
-  {
-    Symbol: 'lm',
-    Name: '流明'
-  },
-  {
-    Symbol: 'bit',
-    Name: '比特'
-  },
-  {
-    Symbol: 'g/mL',
-    Name: '克每毫升'
-  },
-  {
-    Symbol: 'g/L',
-    Name: '克每升'
-  },
-  {
-    Symbol: 'mg/L',
-    Name: '毫克每升'
-  },
-  {
-    Symbol: 'μg/m³',
-    Name: '微克每立方米'
-  },
-  {
-    Symbol: 'mg/m³',
-    Name: '毫克每立方米'
-  },
-  {
-    Symbol: 'g/m³',
-    Name: '克每立方米'
-  },
-  {
-    Symbol: 'kg/m³',
-    Name: '千克每立方米'
-  },
-  {
-    Symbol: 'nF',
-    Name: '纳法'
-  },
-  {
-    Symbol: 'pF',
-    Name: '皮法'
-  },
-  {
-    Symbol: 'μF',
-    Name: '微法'
-  },
-  {
-    Symbol: 'F',
-    Name: '法拉'
-  },
-  {
-    Symbol: 'Ω',
-    Name: '欧姆'
-  },
-  {
-    Symbol: 'μA',
-    Name: '微安'
-  },
-  {
-    Symbol: 'mA',
-    Name: '毫安'
-  },
-  {
-    Symbol: 'kA',
-    Name: '千安'
-  },
-  {
-    Symbol: 'A',
-    Name: '安培'
-  },
-  {
-    Symbol: 'mV',
-    Name: '毫伏'
-  },
-  {
-    Symbol: 'V',
-    Name: '伏特'
-  },
-  {
-    Symbol: 'ms',
-    Name: '毫秒'
-  },
-  {
-    Symbol: 's',
-    Name: '秒'
-  },
-  {
-    Symbol: 'min',
-    Name: '分钟'
-  },
-  {
-    Symbol: 'h',
-    Name: '小时'
-  },
-  {
-    Symbol: 'day',
-    Name: '日'
-  },
-  {
-    Symbol: 'week',
-    Name: '周'
-  },
-  {
-    Symbol: 'month',
-    Name: '月'
-  },
-  {
-    Symbol: 'year',
-    Name: '年'
-  },
-  {
-    Symbol: 'kn',
-    Name: '节'
-  },
-  {
-    Symbol: 'km/h',
-    Name: '千米每小时'
-  },
-  {
-    Symbol: 'm/s',
-    Name: '米每秒'
-  },
-  {
-    Symbol: '″',
-    Name: '秒'
-  },
-  {
-    Symbol: '′',
-    Name: '分'
-  },
-  {
-    Symbol: '°',
-    Name: '度'
-  },
-  {
-    Symbol: 'rad',
-    Name: '弧度'
-  },
-  {
-    Symbol: 'Hz',
-    Name: '赫兹'
-  },
-  {
-    Symbol: 'μW',
-    Name: '微瓦'
-  },
-  {
-    Symbol: 'mW',
-    Name: '毫瓦'
-  },
-  {
-    Symbol: 'kW',
-    Name: '千瓦特'
-  },
-  {
-    Symbol: 'W',
-    Name: '瓦特'
-  },
-  {
-    Symbol: 'cal',
-    Name: '卡路里'
-  },
-  {
-    Symbol: 'kW·h',
-    Name: '千瓦时'
-  },
-  {
-    Symbol: 'Wh',
-    Name: '瓦时'
-  },
-  {
-    Symbol: 'eV',
-    Name: '电子伏'
-  },
-  {
-    Symbol: 'kJ',
-    Name: '千焦'
-  },
-  {
-    Symbol: 'J',
-    Name: '焦耳'
-  },
-  {
-    Symbol: '℉',
-    Name: '华氏度'
-  },
-  {
-    Symbol: 'K',
-    Name: '开尔文'
-  },
-  {
-    Symbol: 't',
-    Name: '吨'
-  },
-  {
-    Symbol: '°C',
-    Name: '摄氏度'
-  },
-  {
-    Symbol: 'mPa',
-    Name: '毫帕'
-  },
-  {
-    Symbol: 'hPa',
-    Name: '百帕'
-  },
-  {
-    Symbol: 'kPa',
-    Name: '千帕'
-  },
-  {
-    Symbol: 'Pa',
-    Name: '帕斯卡'
-  },
-  {
-    Symbol: 'mg',
-    Name: '毫克'
-  },
-  {
-    Symbol: 'g',
-    Name: '克'
-  },
-  {
-    Symbol: 'kg',
-    Name: '千克'
-  },
-  {
-    Symbol: 'N',
-    Name: '牛'
-  },
-  {
-    Symbol: 'mL',
-    Name: '毫升'
-  },
-  {
-    Symbol: 'L',
-    Name: '升'
-  },
-  {
-    Symbol: 'mm³',
-    Name: '立方毫米'
-  },
-  {
-    Symbol: 'cm³',
-    Name: '立方厘米'
-  },
-  {
-    Symbol: 'km³',
-    Name: '立方千米'
-  },
-  {
-    Symbol: 'm³',
-    Name: '立方米'
-  },
-  {
-    Symbol: 'h㎡',
-    Name: '公顷'
-  },
-  {
-    Symbol: 'c㎡',
-    Name: '平方厘米'
-  },
-  {
-    Symbol: 'm㎡',
-    Name: '平方毫米'
-  },
-  {
-    Symbol: 'k㎡',
-    Name: '平方千米'
-  },
-  {
-    Symbol: '㎡',
-    Name: '平方米'
-  },
-  {
-    Symbol: 'nm',
-    Name: '纳米'
-  },
-  {
-    Symbol: 'μm',
-    Name: '微米'
-  },
-  {
-    Symbol: 'mm',
-    Name: '毫米'
-  },
-  {
-    Symbol: 'cm',
-    Name: '厘米'
-  },
-  {
-    Symbol: 'dm',
-    Name: '分米'
-  },
-  {
-    Symbol: 'km',
-    Name: '千米'
-  },
-  {
-    Symbol: 'm',
-    Name: '米'
-  }
-]