update: unicloud-db 组件修改头条小程序某些情况下报错的问题，新增支持 getTemp方法解决页面多个组件时合并网络请求减少网络请求次数

packages/uni-cli-shared/components/unicloud-db.vue

@@ -203,7 +203,7 @@ export default {
 
     // #ifdef MP-TOUTIAO
     let changeName
-    const events = this.$scope.dataset.eventOpts
+    const events = this.$scope.dataset.eventOpts || []
     for (var i = 0; i < events.length; i++) {
       const event = events[i]
       if (event[0].includes('^load')) {
@@ -410,63 +410,7 @@ export default {
         complete && complete()
       })
     },
-    _execLoadData (callback, clear) {
-      if (this.loading) {
-        return
-      }
-      this.loading = true
-      this.errorMessage = ''
-
-      this._getExec().then((res) => {
-        this.loading = false
-        const {
-          data,
-          count
-        } = res.result
-        this._isEnded = data.length < this.pageSize
-        this.hasMore = !this._isEnded
-
-        const data2 = this.getone ? (data.length ? data[0] : undefined) : data
-
-        if (this.getcount) {
-          this.paginationInternal.count = count
-        }
-
-        callback && callback(data2, this._isEnded, this.paginationInternal)
-        this._dispatchEvent(events.load, data2)
-
-        if (this.getone || this.pageData === pageMode.replace) {
-          this.dataList = data2
-        } else {
-          if (clear) {
-            this.dataList = data2
-          } else {
-            this.dataList.push(...data2)
-          }
-        }
-
-        // #ifdef H5
-        if (process.env.NODE_ENV === 'development') {
-          this._debugDataList.length = 0
-          const formatData = JSON.parse(JSON.stringify(this.dataList))
-          if (Array.isArray(this.dataList)) {
-            this._debugDataList.push(...formatData)
-          } else {
-            this._debugDataList.push(formatData)
-          }
-        }
-        // #endif
-      }).catch((err) => {
-        this.loading = false
-        this.errorMessage = err
-        callback && callback()
-        this.$emit(events.error, err)
-        if (process.env.NODE_ENV === 'development') {
-          console.error(err)
-        }
-      })
-    },
-    _getExec () {
+    getTemp(isTemp = true) {
       /* eslint-disable no-undef */
       let db = uniCloud.database()
 
@@ -516,10 +460,89 @@ export default {
       if (this.gettreepath) {
         getOptions.getTreePath = treeOptions
       }
-      db = db.skip(size * (current - 1)).limit(size).get(getOptions)
+      db = db.skip(size * (current - 1)).limit(size)
+
+      if (isTemp) {
+        db = db.getTemp(getOptions)
+        db.udb = this
+      } else {
+        db = db.get(getOptions)
+      }
 
       return db
     },
+    setResult(result) {
+      if (result.code === 0) {
+        this._execLoadDataSuccess(result)
+      } else {
+        this._execLoadDataFail(new Error(result.message))
+      }
+    },
+    _execLoadData (callback, clear) {
+      if (this.loading) {
+        return
+      }
+      this.loading = true
+      this.errorMessage = ''
+
+      this._getExec().then((res) => {
+        this.loading = false
+        this._execLoadDataSuccess(res.result, callback, clear)
+
+        // #ifdef H5
+        if (process.env.NODE_ENV === 'development') {
+          this._debugDataList.length = 0
+          const formatData = JSON.parse(JSON.stringify(this.dataList))
+          if (Array.isArray(this.dataList)) {
+            this._debugDataList.push(...formatData)
+          } else {
+            this._debugDataList.push(formatData)
+          }
+        }
+        // #endif
+      }).catch((err) => {
+        this.loading = false
+        this._execLoadDataFail(err, callback)
+      })
+    },
+    _execLoadDataSuccess(result, callback, clear) {
+      const {
+        data,
+        count
+      } = result
+      this._isEnded = data.length < this.pageSize
+      this.hasMore = !this._isEnded
+
+      const data2 = this.getone ? (data.length ? data[0] : undefined) : data
+
+      if (this.getcount) {
+        this.paginationInternal.count = count
+      }
+
+      callback && callback(data2, this._isEnded, this.paginationInternal)
+      this._dispatchEvent(events.load, data2)
+
+      if (this.getone || this.pageData === pageMode.replace) {
+        this.dataList = data2
+      } else {
+        if (clear) {
+          this.dataList = data2
+        } else {
+          this.dataList.push(...data2)
+        }
+      }
+    },
+    _execLoadDataFail(err, callback) {
+      this.errorMessage = err
+      callback && callback()
+      this.$emit(events.error, err)
+      if (process.env.NODE_ENV === 'development') {
+        console.error(err)
+      }
+    },
+    _getExec () {
+      return this.getTemp(false)
+    },
     _execRemove (id, action, success, fail, complete, needConfirm, needLoading, loadingTitle) {
       if (!this.collection || !id) {
         return