编写优惠券布局；添加打印逻辑；添加前后屏交互逻辑；

.gitignore

 .tea
+.tea/*
 .DS_Store
 /.tea
 .tea/layout.json

app.js

@@ -8,7 +8,7 @@ App({
     TEST_URL: "https://cashier.test.miyahub.net/",
     RELEASE_URL: "https://cashier.miyahub.com/",
     BASE_URL: null,
-    appId:"1542075029346",
+    appId: "1542075029346",
     //小程序容器版本
     containerVersionCode: null
   },
@@ -19,6 +19,25 @@ App({
     console.info('App onLaunch');
     //初始化baseUrl
     this.globalData.BASE_URL = this.globalData.TEST_URL;
+    //获取容器版本信息
+    my.ix.getVersion({
+      success: (r) => {
+        console.log("getVersion success==>" + JSON.stringify(r));
+        getApp().globalData.containerVersionCode = r.versionCode;
+      }
+    });
+    //添加后屏小程序
+    my.ix.addExtensionApp({
+      appId: "****************",
+      // 填入后屏小程序的 AppID
+      type: "screen",
+      success: (res) => {
+        console.log("addExtensionApp success:", res)
+      },
+      fail: (res) => {
+        console.log("addExtensionApp fail:", res)
+      },
+    })
   },
   onShow(options) {
     // 从后台被 scheme 重新打开

pages/paysuccess/paysuccess.acss

@@ -78,13 +78,12 @@ page {
   /* border: 2px solid red; */
 }
 
-.voucher{
-  display: flex;
+.voucher {
+  display: absolute;
   position: fixed;
-  flex-direction: column;
   width: 662rpx;
   align-content: center;
   height: 100%;
-  margin-bottom: 0rpx;
+  margin-top: 43rpx;
   /* border: 2px solid red; */
 }
\ No newline at end of file

pages/paysuccess/paysuccess.axml

@@ -19,7 +19,7 @@
         <text style="font-weight:bold;float:right;">-￥{{couponPriceYuan}}</text>
       </view>
       <view class="payPrice">
-        <text style="float:left;" decode=true>共计 {{}} 件&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;实付：</text>
+        <text style="float:left;" decode=true>共计 {{totalCount}} 件&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;实付：</text>
         <text style="font-weight:bold;float:right;color:#F72911;">-￥{{payPriceYuan}}</text>
       </view>
     </view>
@@ -28,11 +28,30 @@
     <i-spin></i-spin>
     <view style="position:absolute;width:100%;height:100%;left:0rpx;top:0rpx;color:#000000;font-weight:bold;">
       <view style="display: absolute;margin:0 auto;align-content: center;align-items: center;text-align:center;line-height:186rpx;">
-        <text>{{}}</text>
+        <text>{{printerStatus}}</text>
       </view>
     </view>
   </view>
-  <view class="voucher">
-  
+  <view class="voucher" hidden="{{!isShowCoupon}}">
+    <image mode="aspectFit" style="width:100%;height:229rpx;" src="/images/bg_coupon.png"/>
+    <view style="display: absolute;position: absolute;left:0rpx;top:0rpx;width:209rpx;height:229rpx;">
+      <view style="position: absolute;color:#ffffff;left:10rpx;top:103rpx;font-size:43rpx;">
+        <text >￥</text>
+      </view>
+      <view style="position: absolute;color:#ffffff;text-align:center;left:68rpx;font-weight:bold;top:80rpx;font-size:66rpx;">
+        <text>{{couponPriceYuan}}</text>
+      </view>
+      <view style="position: absolute;color:#ffffff;text-align:center;left:23rpx;top:145rpx;font-size:23rpx;">
+        <text>{{couponHint}}</text>
+      </view>
+    </view>
+    <view style="position: absolute;left:209rpx;top:0rpx;width:453rpx;height:229rpx;">
+      <view style="position: absolute;color:#ffffff;left:32rpx;top:32rpx;font-size:34rpx;width:352rpx;">
+        <text >{{couponName}}</text>
+      </view>
+      <view style="position: absolute;color:#ffffff;left:32rpx;bottom:32rpx;font-size:34rpx;width:352rpx;">
+        <text >{{couponDateDuration}}</text>
+      </view>
+    </view>
   </view>
 </view>
\ No newline at end of file

pages/paysuccess/paysuccess.js

 Page({
   data: {
-    orderPriceYuan:"--.--",
-    couponPriceYuan:"--.--",
-    payPriceYuan:"--.--"
+    orderPriceYuan: "--.--",
+    couponPriceYuan: "--.--",
+    payPriceYuan: "--.--",
+    totalCount: "0",
+    printerStatus: "小票打印中",
+    couponPriceYuan: "--.--",
+    couponHint: "xxxxxx",
+    couponName: "xxxxxxxx",
+    couponDateDuration: "xxxx.xx.xx-xxxx.xx.xx",
+    isShowCoupon: true
   },
-  onLoad() {},
+  onLoad(query) {
+    console.info(`Page onLoad with query: ${JSON.stringify(query)}`);
+  },
+
+  print() {
+    //发起打印
+    var printer = require("../../utils/printer.js");
+    var printCallbackTemp = this.printCallback.bind(this);
+    var cmds = [
+      printer.setAlign(printer.ALIGN_CENTER),
+      printer.printText("storeName"),
+      printer.printDivide("-"),
+      printer.setAlign(printer.ALIGN_LEFT),
+      printer.printText("门店号："),
+      printer.printText("收银员账号："),
+      printer.printText("订单号："),
+      printer.printNowDate(),
+      printer.printDivide("-"),
+      printer.printText("活动商品"),
+      printer.printText("活动名称    " + "    编码    " + "    数量"),
+    ];
+    for (var i = 0; i < 10; i++) {
+      //循环取出商品数据
+      // cmds.push();
+    }
+    cmds.push(printer.printDivide("-"));
+    cmds.push(printer.printText("应收金额:"));
+    cmds.push(printer.printText("支付方式实付:"));
+    for (var i = 0; i < 4; i++) {
+      cmds.push(printer.feedPaper());
+    }
+    printer.print({
+      isCheckStatus: getApp().globalData.containerVersionCode > 20,
+      cmds: cmds,
+      callback: printCallbackTemp
+    });
+  },
+
+
+  printCallback(res) {
+    //通知后屏打印结果
+    my.ix.sendBuddyMessage({
+      target: "****************",
+      // 填入目标小程序的 AppID
+      data: res,
+      success: (res) => {
+        console.info(`sendBuddyMessage success: ${JSON.stringify(res)}`);
+      },
+      fail: (res) => {
+        console.info(`sendBuddyMessage failed: ${JSON.stringify(res)}`);
+      }
+    });
+  },
+
+  onShow() {
+    //开启后屏监听
+    my.ix.onBuddyMessage({
+      success: (res) => {
+        console.info(`onBuddyMessage success: ${JSON.stringify(res)}`);
+        if ("") {
+          //重新打印 
+
+        } else {
+          //未知指令
+        }
+      }
+    });
+  },
+
+  onHide() {
+    //关闭后屏监听
+    my.ix.offBuddyMessage();
+  }
 });