home页添加打印上一单逻辑;

const/actioncmd.js

@@ -48,3 +48,6 @@ export const ACTION_REFUND_FAILED = "ACTION_REFUND_FAILED";
 
 //登录完成
 export const ACTION_LOGIN_OK = "ACTION_LOGIN_OK";
+
+//打印上一单
+export const ACTION_PRINT_LAST_ORDER = "ACTION_PRINT_LAST_ORDER";

pages/home/home.js

@@ -10,6 +10,7 @@ import { ACTION_REFUND } from '../../const/actioncmd'
 import { ACTION_REFUND_FAILED } from '../../const/actioncmd'
 import { ACTION_REFUND_SUCCESS } from '../../const/actioncmd'
 import { API_REFUND } from '../../const/apiurl'
+import { ACTION_PRINT_LAST_ORDER } from '../../const/apiurl'
 
 
 Page({
@@ -124,11 +125,120 @@ Page({
             scanDialogDisplay: 0,
             dialogShowType: "",//重置类型
           })
+        } else if (res.action == ACTION_PRINT_LAST_ORDER) {
+          //打印上一单
+          //商品列表
+          var printLastOrder_goodsList = my.getStorageSync({ key: 'paySuccessGoodsList' }).data;
+          var printLastOrder_paySuccessResp = my.getStorageSync({ key: 'paySuccessResponse' }).data;
+          if (printLastOrder_paySuccessResp == null) {
+            //本地没有上一单信息
+            my.ix.sendBuddyMessage({
+              // 填入目标小程序的 AppID
+              target: getApp().globalData.backScreenAppId,
+              data: {
+                action: ACTION_PRINT_LAST_ORDER,
+                data: {
+                  code: -1,
+                  data: "本地没有上一单信息"
+                }
+              },
+              success: (res) => {
+                console.info(`sendBuddyMessage success: ${JSON.stringify(res)}`);
+              },
+              fail: (res) => {
+                console.info(`sendBuddyMessage failed: ${JSON.stringify(res)}`);
+              }
+            });
+            return;
+          }
+          //去打印
+          context.printLastOrder(printLastOrder_goodsList, printLastOrder_paySuccessResp)
         }
       }
     });
   },
 
+  /**打印上一单 */
+  printLastOrder(printLastOrder_goodsList, printLastOrder_paySuccessResp) {
+    var printLastOrder_orderPriceFen = printLastOrder_paySuccessResp.tradeAmount;
+    var printLastOrder_couponPriceFen = printLastOrder_paySuccessResp.mdiscount + printLastOrder_paySuccessResp.discount;
+    var printLastOrder_payPriceFen = printLastOrder_paySuccessResp.tradeAmount - (printLastOrder_paySuccessResp.mdiscount + printLastOrder_paySuccessResp.discount);
+    var printLastOrder_totalCount = context.caculateTotalCountFromGoodsList(printLastOrder_goodsList);
+    //分转元
+    var miyapay = require("../../utils/miyapay4.js");
+    var printLastOrder_orderPriceYuan = miyapay.fen2Yuan(printLastOrder_orderPriceFen);
+    var printLastOrder_couponPriceYuan = miyapay.fen2Yuan(printLastOrder_couponPriceFen);
+    var printLastOrder_payPriceYuan = miyapay.fen2Yuan(printLastOrder_payPriceFen);
+    //支付渠道 
+    var payChannel = "未知";
+    if (printLastOrder_paySuccessResp.channel == 1) {
+      payChannel = "微信";
+    } else if (printLastOrder_paySuccessResp.channel == 3) {
+      payChannel = "支付宝";
+    }
+
+    var printer = require("../../utils/printer.js");
+    var cmds = [
+      printer.setAlign(printer.ALIGN_CENTER),
+      printer.printText(getApp().globalData.localAccountInfo.storeName),
+      printer.setAlign(printer.ALIGN_LEFT),
+      printer.printDivide("-"),
+      printer.printText("门店号：" + printLastOrder_paySuccessResp.storeId),
+      printer.printText("收银员账号：" + printLastOrder_paySuccessResp.operatorId),
+      printer.printText("订单号：" + printLastOrder_paySuccessResp.tradeNo),
+      printer.printNowDate(),
+      printer.printDivide("-"),
+      printer.printText("活动商品"),
+      printer.printText("商品名称    " + "    编码    " + "    数量"),
+    ];
+    for (var i = 0; i < printLastOrder_goodsList.length; i++) {
+      //循环取出商品数据
+      cmds.push(printer.setAlign(printer.ALIGN_LEFT));
+      cmds.push(printer.printText(printLastOrder_goodsList[i].name));
+      cmds.push(printer.printTwoText(printLastOrder_goodsList[i].barcode, printLastOrder_goodsList[i].quantity + ""));
+    }
+    cmds.push(printer.setAlign(printer.ALIGN_LEFT));
+    cmds.push(printer.printDivide("-"));
+    cmds.push(printer.printText("应收金额:" + printLastOrder_orderPriceYuan));
+    cmds.push(printer.printText(payChannel + ":" + printLastOrder_payPriceYuan));
+    for (var i = 0; i < 4; i++) {
+      cmds.push(printer.feedPaper());
+    }
+    printer.print({
+      isCheckStatus: getApp().globalData.containerVersionCode > 20,
+      cmds: cmds,
+      callback: (res) => {
+        //发送给后屏，告知打印结果
+        my.ix.sendBuddyMessage({
+          // 填入目标小程序的 AppID
+          target: getApp().globalData.backScreenAppId,
+          data: {
+            action: ACTION_PRINT_LAST_ORDER,
+            data: res
+          },
+          success: (res) => {
+            console.info(`sendBuddyMessage success: ${JSON.stringify(res)}`);
+          },
+          fail: (res) => {
+            console.info(`sendBuddyMessage failed: ${JSON.stringify(res)}`);
+          }
+        });
+      }
+    });
+  },
+
+  //计算件数
+  caculateTotalCountFromGoodsList(goodsList) {
+    if (goodsList == null || goodsList.length == 0) {
+      return 0;
+    }
+    var totalCount = 0;
+    for (var i = 0; i < goodsList.length; i++) {
+      totalCount = totalCount + goodsList[i].quantity;
+    }
+    return totalCount;
+  },
+
   //外接扫码枪事件
   onKeyPress(r) {
     console.log("scan onKeyPress==>" + r);
@@ -136,7 +246,7 @@ Page({
       if (this.data.dialogShowType == "refund") {
         //退款
         this.refund(r);
-      } else if(this.data.dialogShowType == "coupon") {
+      } else if (this.data.dialogShowType == "coupon") {
         // 兑换券
         this.verifyCoupon(r);
       }