feat：fix use folder data

mixins/echartElementData.js

@@ -43,19 +43,27 @@ export default {
 			let res = await that.$u.api[`${dataMethod.toLowerCase()}Http`](dataUrl, dataFormatter, {
 				custom: { loading: false }
 			})
-			// 文件夹类型的数据，直接拿接口返回数据
-			if (this.elementInfo.type === 'folder') {
-				that.elementData.dataList = res.data
-				return
+			if (that.elementInfo.type === 'folder') {
+				that.setFolderData(res.data)
 			}
 			if (dataProcessing) {
 				that.elementData.dataList = that.$u.common.converFunction(dataProcessing, res.data, value.queryFormatter)
 			} else if (dataConfig && dataConfig.value && dataConfig.value.length) {
 				that.elementData.dataList = that.$u.charts.parseChartData(res.data, that.elementInfo)
 			} else {
-				that.elementData.dataList = JSON.parse(JSON.stringify(res.data.Result))
+				that.elementData.dataList = JSON.parse(JSON.stringify(res.data))
 			}
 		},
+		
+		setFolderData (value) {
+			let data = {}
+			if(this.vuex_folderData) {
+				data = {...this.vuex_folderData}
+			}
+			data[this.elementInfo.id] = value
+			this.$u.vuex('vuex_folderData', data)
+		},
+		
 		/**
 		 * 全局数据
 		 */
@@ -109,6 +117,18 @@ export default {
 		handleFolderData(value) {
 			const that = this
 			const { dataProcessing, dataConfig} = { ...value }
+			if (that.vuex_folderData) {
+				// 缓存好数据，切换tab时候用
+				const json = that.vuex_folderData[that.elementInfo.folderId]
+				if (dataProcessing) {
+					that.elementData.dataList = that.$u.common.converFunction(dataProcessing, json, value.queryFormatter)
+				} else if (dataConfig && dataConfig.value && dataConfig.value.length) {
+					that.elementData.dataList = that.$u.charts.parseChartData(json, that.elementInfo)
+				} else {
+					that.elementData.dataList = json
+				}
+			}
+			// 首次加载用
 			uni.$on(`folder_${that.elementInfo.folderId}`, data => {
 				if (!data) return
 				if (dataProcessing) {

store/index.js

@@ -12,7 +12,7 @@ try {
 }
 
 // 需要永久存储，且在下次 APP 启动需要取出的，在 state 中的变量名。
-let saveStateKeys = ['vuex_token', 'vuex_globalData']
+let saveStateKeys = ['vuex_token', 'vuex_globalData', 'vuex_folderData']
 
 // 保存变量到本地存储中
 const saveLifeData = function(key, value) {
@@ -31,7 +31,8 @@ const saveLifeData = function(key, value) {
 const store = new Vuex.Store({
 	state: {
 		vuex_token: lifeData.vuex_token || '',
-		vuex_globalData: ""
+		vuex_globalData: "",
+		vuex_folderData: ""
 	},
 	mutations: {
 		$uStore(state, payload) {