静态页面

src/app.js

@@ -18,18 +18,19 @@ class App extends Component {
     // 此处获取不到 state, 因为 app 不会刷新
     const { setSysInfo } = store.getModel('sys').getState()
 
-    // 预拉取数据
-    Taro.getBackgroundFetchData({
-      fetchType: 'pre',
-      success (res) {
-        if (res.errMsg === 'getBackgroundFetchData:ok') {
-          const data = JSON.parse(res.fetchedData)
-          if (data.code === 1000) {
-            setSysInfo(data.data)
+    if (Taro.getBackgroundFetchData) { // 预拉取数据
+      Taro.getBackgroundFetchData({
+        fetchType: 'pre',
+        success (res) {
+          if (res.errMsg === 'getBackgroundFetchData:ok') {
+            const data = JSON.parse(res.fetchedData)
+            if (data.code === 1000) {
+              setSysInfo(data.data)
+            }
           }
         }
-      }
-    })
+      })
+    }
   }
 
   onError (err) {

src/utils/request.js

@@ -5,8 +5,18 @@ import $api from './api'
 const accountInfo = Taro.getAccountInfoSync()
 const appId = accountInfo.miniProgram.appId
 
+const entries = obj => {
+  const ownProps = Object.keys( obj )
+  let i = ownProps.length
+  const resArray = new Array(i)
+  while (i--)
+    resArray[i] = [ownProps[i], obj[ownProps[i]]]
+
+  return resArray
+}
+
 const query2String = query => {
-  return Object.entries(query || {}).map(pair => `${encodeURIComponent(pair[0])}=${encodeURIComponent(pair[1])}`).join('&')
+  return entries(query || {}).map(pair => `${encodeURIComponent(pair[0])}=${encodeURIComponent(pair[1])}`).join('&')
 }
 
 const transPathArgs = (path, args) => {