解析压缩的图片

main.js

@@ -5,6 +5,10 @@ import store from './store'
 import bootstrap from './core/bootstrap'
 import mixin from './core/mixins/app'
 import './js_sdk/ican-H5Api/ican-H5Api'
+
+//压缩与解压缩的
+import pako from './core/pako'
+
 import {
   navTo,
   showToast,
@@ -20,6 +24,9 @@ Vue.config.productionTip = false
 
 App.mpType = 'app'
 
+//  载入pako 库
+Vue.use(pako)
+
 // 载入uView库
 Vue.use(uView)
 

pages/index/index.vue

@@ -76,7 +76,10 @@
   import MescrollBody from '@/components/mescroll-uni/mescroll-body.vue'
   import MescrollMixin from '@/components/mescroll-uni/mescroll-mixins'
   import { getEmptyPaginateObj, getMoreListData } from '@/core/app'
-  import { uint8arrayToBase64 } from '@/utils/util'
+  
+  import { uint8arrayToBase64,base64ToUint8Array, decompress } from '@/utils/util'
+  import pako from '@/core/pako'
+
 
   const App = getApp()
   
@@ -208,10 +211,9 @@
 		// 初始化订单列表数据
 		initList(newList) {
 		  newList.data.forEach(item => {
-			  
-			 let bytarr = new Uint8Array(item.goods_iamge)
+			item.gdimg = pako.inflateRaw(base64ToUint8Array(item.goods_image), {to: 'string'})
 			//  console.log(bytarr)
-			item.gdimg = "data:image/png;base64,"+uint8arrayToBase64(bytarr)
+			// item.gdimg = "data:image/png;base64,"+decompress(bytarr)
 			//item.gdimg="ss"
 			//item.username = item.user.name
 		  })

utils/util.js

@@ -238,4 +238,15 @@ export const base64ToUint8Array=(base64String)=> {
         outputArray[i] = rawData.charCodeAt(i);
     }
     return outputArray;
-}
+}
+
+/**
+ * 解压缩
+ */
+export const decompress = (str) =>{
+    return pako.inflateRaw(base64ToUint8Array(str), {to: 'string'});
+}
+// var rawData = decompress('q1YqySzJSVWyUirJyCxWAKKCxOx8vZTUtMScklSFktTiEiUdpcTSkoz8IqCi4pz
+// 8vPSqjMS8dIfCQr3k/FygZEpiCUi/kYGRoa6Bia6BEVAsOT+vJDWvBGQs0ASFUWKUwEco1QIA'
+// );
+// console.log(rawData);