feat：【IoT 物联网】完善设备消息的查询

src/views/iot/utils/constants.ts

@@ -2,3 +2,39 @@
 export const IOT_PROVIDE_KEY = {
   PRODUCT: 'IOT_PRODUCT'
 }
+
+/**
+ * IoT 设备消息的方法枚举
+ */
+export const IotDeviceMessageMethodEnum = {
+  // ========== 设备状态 ==========
+  STATE_ONLINE: {
+    method: 'thing.state.online',
+    name: '设备上线',
+    upstream: true
+  },
+  STATE_OFFLINE: {
+    method: 'thing.state.offline',
+    name: '设备下线',
+    upstream: true
+  },
+
+  // ========== 设备属性 ==========
+  PROPERTY_POST: {
+    method: 'thing.property.post',
+    name: '属性上报',
+    upstream: true
+  },
+  PROPERTY_SET: {
+    method: 'thing.property.set',
+    name: '属性设置',
+    upstream: false
+  },
+
+  // ========== 设备事件 ==========
+  EVENT_POST: {
+    method: 'thing.event.post',
+    name: '事件上报',
+    upstream: true
+  }
+}