核磅录入页面的打印功能调试，修复全部打印只出一张的问题，修复首次连接蓝牙后推出页面再进蓝牙无法连接问题

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2025-10-11 747613d7e856a7c104b8b4709442d34a51cdb9aa

 pages/wareHouse/nuclearScale/nuclearscalerecord.vue

@@ -1,26 +1,49 @@
<template>
   <view class="page">
      <view class="finishProductIn-locno-bg" />
      <u-navbar title="核磅记录" :background="background" :border-bottom="false" :title-bold="true" title-color="#000"
         back-icon-color="#000">
    <u-navbar
      title="核磅记录"
      :background="background"
      :border-bottom="false"
      :title-bold="true"
      title-color="#000"
      back-icon-color="#000"
    >
         <view class="navbar-right" slot="right" @click="goPrintAll">
            全部打印
         </view>
      </u-navbar>
      <view class="wrap">
         <!-- 连接和打印状态指示器 -->
         <view class="status-indicator" :class="{
      <view
        class="status-indicator"
        :class="{
          connected: connectionStatus === 'connected',
          connecting: connectionStatus === 'connecting',
          disconnected: connectionStatus === 'disconnected',
        }">
        }"
      >
            <text class="status-text">{{ getConnectionStatusText() }}</text>
            <text class="print-status" v-if="printStatus !== 'idle'">- {{ getPrintStatusText() }}</text>
        <text class="print-status" v-if="printStatus !== 'idle'"
          >- {{ getPrintStatusText() }}</text
        >
         </view>
         <scroll-view class="finishProductIn-locno-scroll-list" scroll-y="true" @scrolltolower="getmoreList()">
            <u-cell-group class="finishProductIn-locno-scroll-list-group" :border="false">
               <view class="content" v-for="(item, index) in list" :key="item.locNo" :index="index"
                  @click="selectNo(item)">
      <scroll-view
        class="finishProductIn-locno-scroll-list"
        scroll-y="true"
        @scrolltolower="getmoreList()"
      >
        <u-cell-group
          class="finishProductIn-locno-scroll-list-group"
          :border="false"
        >
          <view
            class="content"
            v-for="(item, index) in list"
            :key="item.locNo"
            :index="index"
            @click="selectNo(item)"
          >
                  <view class="content-header">
                     <view class="content-header-title">{{ index + 1 }}</view>
                  </view>
@@ -101,18 +124,31 @@
               </view>
            </u-cell-group>
            <view class="loadmore" @click="getmoreList()">
               <u-loadmore :status="status" :load-text="loadText" @loadmore="getmoreList()" />
          <u-loadmore
            :status="status"
            :load-text="loadText"
            @loadmore="getmoreList()"
          />
            </view>
         </scroll-view>
      </view>
      <u-toast ref="uToast" />
      <u-modal v-model="maskShow" title="" :show-confirm-button="false">
         <view @touchmove.stop.prevent="moveHandle" @click="maskclose">
            <scroll-view class="uni-scroll_box" scroll-y @touchmove.stop.prevent="moveHandle"
               @click.stop="moveHandle">
        <scroll-view
          class="uni-scroll_box"
          scroll-y
          @touchmove.stop.prevent="moveHandle"
          @click.stop="moveHandle"
        >
               <view class="modal-title">选择蓝牙设备</view>
               <view v-if="listDevice.length === 0" class="empty-tip">暂无设备</view>
               <view v-for="(item, index) in listDevice" :key="index" @click="tapQuery(item)" class="device-item">
          <view
            v-for="(item, index) in listDevice"
            :key="index"
            @click="tapQuery(item)"
            class="device-item"
          >
                  <view class="device-name">
                     <text>名称：</text>
                     <text>{{ item.name || "未知设备" }}</text>
@@ -188,25 +224,34 @@
            connectionStatus: "disconnected", // 连接状态: disconnected, connecting, connected
            printStatus: "idle", // 打印状态: idle, printing, error
            errorMessage: "", // 错误信息
            verificationNo:''
      verificationNo: "",
      failedPrintJobs: [],
         };
   },
   onLoad(options) {
         this.verificationNo = JSON.parse(decodeURIComponent(options.verificationNo))
    this.verificationNo = JSON.parse(
      decodeURIComponent(options.verificationNo)
    );
         this.getlist();
         // 初始化SDK
         jcapi.initSDK();

    // 尝试恢复之前的蓝牙连接状态
    this.restoreBluetoothConnection();

         // 监听页码回调
         jcapi.didReadPrintCountInfo(function(r) {
            console.log('页码',r);
      console.log("页码", r);
         });

         // 监听错误回调
         jcapi.didReadPrintErrorInfo((r) => {
            console.log('错误',r);
      console.log("错误", r);
            if (r.code == 23) {
               // 打印机断开连接
               this.connectedDevice = null;
        // 清除本地存储的连接信息
        uni.removeStorageSync("bluetoothConnection");
               uni.showToast({
                  icon: "none",
                  title: "打印机连接已断开，请重新连接",
@@ -222,6 +267,40 @@
         });
      },
      methods: {
    restoreBluetoothConnection() {
      try {
        // 从本地存储获取之前保存的连接信息
        const savedConnection = uni.getStorageSync("bluetoothConnection");
        if (savedConnection && savedConnection.address) {
          console.log("尝试恢复蓝牙连接:", savedConnection);
          // 设置为连接中状态
          this.connectionStatus = "connecting";

          // 尝试重新连接
          jcapi.openPrinterByDevice(
            {
              address: savedConnection.address,
              name: savedConnection.name,
              deviceType: 0, // 设备类型：0-蓝牙，1-网络
            },
            (r) => {
              if (r.code == 0) {
                this.connectedDevice = savedConnection;
                this.connectionStatus = "connected";
                console.log("蓝牙连接已恢复");
              } else {
                this.connectionStatus = "disconnected";
                // 如果重连失败，清除保存的连接信息
                uni.removeStorageSync("bluetoothConnection");
                console.log("蓝牙重连失败:", r);
              }
            }
          );
        }
      } catch (e) {
        console.error("恢复蓝牙连接失败:", e);
      }
    },
         getmoreList() {
            if (this.pageSize >= this.total) {
               this.status = "nomore";
@@ -234,13 +313,11 @@
            }, 1000);
         },
         getlist() {
            this.$u.api.NuclearScaleEntry
               .queryPacking({
      this.$u.api.NuclearScaleEntry.queryPacking({
                  current: this.pageNum,
                  size: this.pageSize,
                  verificationNo: this.verificationNo,
               })
               .then((res) => {
      }).then((res) => {
                  this.list = res.data;
                  this.total = res.data.length;
                  if (this.pageSize >= this.total) {
@@ -254,13 +331,11 @@
            if (value) {
               this.list = [];
               this.pageSize = 10;
               this.$u.api.NuclearScaleEntry
                  .queryPacking({
        this.$u.api.NuclearScaleEntry.queryPacking({
                     current: this.pageNum,
                     size: this.pageSize,
                     moNo: value,
                  })
                  .then((res) => {
        }).then((res) => {
                     this.list = res.data.records;
                     this.total = res.data.total;
                     if (this.pageSize >= this.total) {
@@ -403,7 +478,7 @@
         maskclose() {},
         //打印二维码
          printQrCode(item) {
            // return new Promise(async (resolve, reject) => {
      return new Promise(async (resolve, reject) => {
               // const params = {
               //    rwMatlBindId: item.id
               // };
@@ -418,14 +493,14 @@
                     return;
                  }

                  const ht =  item.contractNo
                  const lj =  item.partNo
                  const ljms =  item.ccontrProModel
                  const fh =  item.newNetWeight
                  const scdt =  item.outboundDate
                  const scph =  item.batchNo
                  const shdw =  item.customerName
                  const fhdw = '江东合金技术有限公司'
          const ht = item.contractNo;
          const lj = item.partNo;
          const ljms = item.ccontrProModel;
          const fh = item.newNetWeight;
          const scdt = item.outboundDate;
          const scph = item.batchNo;
          const shdw = item.customerName;
          const fhdw = "江东合金技术有限公司";

                  // 初始化画板
                  jcapi.initDrawingBoard({
@@ -444,7 +519,7 @@
                    total_qty : item.newNetWeight,
                    qty_arrived : item.newNetWeight,
                    release_no : item.relNo,   
                  }
          };
                  
                  jcapi.drawLabelQrCode({
                     x: 43.5,
@@ -474,47 +549,269 @@
                  this.getDrawLabelLine(68, 1, 0.5, 46, 0, LineType.Solid); // 竖线3

                  // 绘制文本
                  this.getDrawLabelText(3, 2.5, 40, 8, "中天科技装箱清单", 2.5, 0, LineModeType.AutoHeight,
                     0, 0, 1, 1, 1);
                  this.getDrawLabelText(2, 7, 25, 8, "合同号:", 2.5, 0, LineModeType.AutoHeight, 0, 0,
                     0, 1, 1);
                  this.getDrawLabelText(2, 12, 25, 8, "零件号:", 2.5, 0, LineModeType.AutoHeight, 0, 0,
                     0, 1, 1);
                  this.getDrawLabelText(2, 17, 25, 8, "零件描述:", 2.5, 0, LineModeType.AutoHeight, 0, 0,
                     0, 1, 1);
                  this.getDrawLabelText(2, 22.5, 25, 8, "发货/装箱数:", 2.5, 0, LineModeType.AutoHeight,
                     0, 0, 0, 1, 1);
                  this.getDrawLabelText(2, 27.5, 25, 8, "生产日期:", 2.5, 0, LineModeType.AutoHeight, 0,
                     0, 0, 1, 1);
                  this.getDrawLabelText(2, 32.5, 25, 8, "生产批号:", 2.5, 0, LineModeType.AutoHeight, 0,
                     0, 0, 1, 1);
                  this.getDrawLabelText(2, 37.5, 25, 8, "发货单位:", 2.5, 0, LineModeType.AutoHeight, 0,
                     0, 0, 1, 1);
                  this.getDrawLabelText(2, 42.5, 25, 8, "收货单位:", 2.5, 0, LineModeType.AutoHeight, 0,
                     0, 0, 1, 1);
          this.getDrawLabelText(
            3,
            2.5,
            40,
            8,
            "中天科技装箱清单",
            2.5,
            0,
            LineModeType.AutoHeight,
            0,
            0,
            1,
            1,
            1
          );
          this.getDrawLabelText(
            2,
            7,
            25,
            8,
            "合同号:",
            2.5,
            0,
            LineModeType.AutoHeight,
            0,
            0,
            0,
            1,
            1
          );
          this.getDrawLabelText(
            2,
            12,
            25,
            8,
            "零件号:",
            2.5,
            0,
            LineModeType.AutoHeight,
            0,
            0,
            0,
            1,
            1
          );
          this.getDrawLabelText(
            2,
            17,
            25,
            8,
            "零件描述:",
            2.5,
            0,
            LineModeType.AutoHeight,
            0,
            0,
            0,
            1,
            1
          );
          this.getDrawLabelText(
            2,
            22.5,
            25,
            8,
            "发货/装箱数:",
            2.5,
            0,
            LineModeType.AutoHeight,
            0,
            0,
            0,
            1,
            1
          );
          this.getDrawLabelText(
            2,
            27.5,
            25,
            8,
            "生产日期:",
            2.5,
            0,
            LineModeType.AutoHeight,
            0,
            0,
            0,
            1,
            1
          );
          this.getDrawLabelText(
            2,
            32.5,
            25,
            8,
            "生产批号:",
            2.5,
            0,
            LineModeType.AutoHeight,
            0,
            0,
            0,
            1,
            1
          );
          this.getDrawLabelText(
            2,
            37.5,
            25,
            8,
            "发货单位:",
            2.5,
            0,
            LineModeType.AutoHeight,
            0,
            0,
            0,
            1,
            1
          );
          this.getDrawLabelText(
            2,
            42.5,
            25,
            8,
            "收货单位:",
            2.5,
            0,
            LineModeType.AutoHeight,
            0,
            0,
            0,
            1,
            1
          );

                  // 填充参数值
                  this.getDrawLabelText(11, 7, 30, 8, ht, 2.5, 0, LineModeType.AutoHeight, 0, 0, 0,
                     0, 1);
                  this.getDrawLabelText(11, 12, 32, 8, lj, 2.5, 0, LineModeType.AutoHeight, 0, 0, 0,
                     0, 1);
                  this.getDrawLabelText(14, 17, 30, 8, ljms, 2.5, 0, LineModeType.AutoHeight, 0, 0,
                     0, 0, 1);
                  this.getDrawLabelText(17, 22.5, 27, 8, fh, 2.5, 0, LineModeType.AutoHeight, 0, 0,
                     0, 0, 1);
                  this.getDrawLabelText(14, 27.5, 55, 8, scdt, 2.5, 0, LineModeType.AutoHeight, 0, 0,
                     0, 0, 1);
                  this.getDrawLabelText(14, 32.7, 55, 8, scph, 2.5, 0, LineModeType.AutoHeight, 0, 0,
                     0, 0, 1);
                  this.getDrawLabelText(14, 37.5, 55, 8, fhdw, 2.5, 0, LineModeType.AutoHeight, 0, 0,
                     0, 0, 1);
                  this.getDrawLabelText(14, 42.5, 55, 8, shdw, 2.5, 0, LineModeType.AutoHeight, 0, 0,
                     0, 0, 1);
          this.getDrawLabelText(
            11,
            7,
            30,
            8,
            ht,
            2.5,
            0,
            LineModeType.AutoHeight,
            0,
            0,
            0,
            0,
            1
          );
          this.getDrawLabelText(
            11,
            12,
            32,
            8,
            lj,
            2.5,
            0,
            LineModeType.AutoHeight,
            0,
            0,
            0,
            0,
            1
          );
          this.getDrawLabelText(
            14,
            17,
            30,
            8,
            ljms,
            2.5,
            0,
            LineModeType.AutoHeight,
            0,
            0,
            0,
            0,
            1
          );
          this.getDrawLabelText(
            17,
            22.5,
            27,
            8,
            fh,
            2.5,
            0,
            LineModeType.AutoHeight,
            0,
            0,
            0,
            0,
            1
          );
          this.getDrawLabelText(
            14,
            27.5,
            55,
            8,
            scdt,
            2.5,
            0,
            LineModeType.AutoHeight,
            0,
            0,
            0,
            0,
            1
          );
          this.getDrawLabelText(
            14,
            32.7,
            55,
            8,
            scph,
            2.5,
            0,
            LineModeType.AutoHeight,
            0,
            0,
            0,
            0,
            1
          );
          this.getDrawLabelText(
            14,
            37.5,
            55,
            8,
            fhdw,
            2.5,
            0,
            LineModeType.AutoHeight,
            0,
            0,
            0,
            0,
            1
          );
          this.getDrawLabelText(
            14,
            42.5,
            55,
            8,
            shdw,
            2.5,
            0,
            LineModeType.AutoHeight,
            0,
            0,
            0,
            0,
            1
          );
                  // 生成打印数据
                  let imageJsonObj = jcapi.generateLabelJson();

                  // 设置打印任务
                  jcapi.startJob({
          jcapi.startJob(
            {
                        totalCount: 1,
                        density: this.printDensity,
                        labelType: this.labelType,
@@ -541,20 +838,19 @@

                           // 添加打印超时处理
                           const printTimeout = setTimeout(() => {
                              jcapi.didReadPrintCountInfo(
                                 originalPrintCountCallback);
                  jcapi.didReadPrintCountInfo(originalPrintCountCallback);
                              reject(new Error("打印超时未响应"));
                           }, 20000);

                           jcapi.printData(
                              imageJsonObj, {
                  imageJsonObj,
                  {
                                 printQuantity: 1,
                              },
                              function(r) {
                                 if (r.code != 0) {
                                    // 恢复原始回调
                                    jcapi.didReadPrintCountInfo(
                                       originalPrintCountCallback);
                      jcapi.didReadPrintCountInfo(originalPrintCountCallback);
                                    // 结束当前打印任务
                                    reject(new Error(r.msg || "打印失败"));
                                 }
@@ -569,7 +865,7 @@
               } catch (error) {
                  reject(error);
               }
            // });
      });
         },
         tapQuery(item) {
            this.maskShow = false;
@@ -579,15 +875,19 @@
            // 设置为连接中状态
            this.connectionStatus = "connecting";

            jcapi.openPrinterByDevice({
      jcapi.openPrinterByDevice(
        {
                  address: item.address,
                  name: item.name,
                  deviceType: 0, // 设备类型：0-蓝牙，1-网络
               },
               function(r) {
          // 在tapQuery方法中，连接成功时添加保存连接信息的代码
                  if (r.code == 0) {
                     _this.connectedDevice = item;
                     _this.connectionStatus = "connected";
            // 保存连接信息到本地存储
            uni.setStorageSync("bluetoothConnection", item);
                     uni.showToast({
                        title: "连接成功",
                        duration: 1500,