首页新增跳转用电查询

pages/invoiceDetail/index.js

@@ -1,4 +1,5 @@
 import { getInvoiceInfoDetail, downloadInvoice } from "../../service/invoice";
+import { alertInfo } from "../../utils";
 import request from '../../utils/request'
 const { OK } = request;
 // pages/invoiceInfo/index.js
@@ -40,8 +41,30 @@ Page({
         console.log('res', res.tapIndex)
         const { code, message, data } = await downloadInvoice(that.data.id, res.tapIndex);
         if (code !== OK) {
-
+          alertInfo(message)
+          return;
         }
+        const filePath = `${wx.env.USER_DATA_PATH}/发票/${that.data.id}.${res.tapIndex === 0 ? 'xml' : "pdf"}`;
+        FileSystemManager.writeFile({
+          filePath: filePath,
+          data: res.data,
+          encoding: 'base64', // 2. base64解密写入, 后台返回的byte[]数组是经过base64编码的，其他方式写入文件打开格式不对
+          success: function(res) {
+            wx.openDocument({
+              filePath: filePath,
+              fileType: [res.tapIndex === 0 ? 'xml' : "pdf"], // 3. 这个必须写合法类型，不然下载不了 ！！！
+              success: function (res) {
+                console.log('打开文档成功')
+              },
+              fail: function (e) {
+                console.log(e.errMsg);
+              }
+            })
+          },
+          fail: function (e) {
+            console.log(e.errMsg);
+          }
+        });
       }
     })
   },