优化打印蓝牙连接弹出框，增加监听打印回调解决全部打印只能打印一张问题

yyb

3 天以前 eeff5fca55deb0de745405871ff1ae52061bc98d

 pages/wareHouse/nuclearScale/nuclearscalerecord.vue

@@ -97,31 +97,34 @@
         </scroll-view>
      </view>
      <u-toast ref="uToast" />
      <u-modal v-model="maskShow" title="" v-for="(item, index) in listDevice" :key="index"
         :show-confirm-button="true" @confirm="tapQuery(item)">
         <view class="packing-registration-param-view" @touchmove.stop.prevent="moveHandle" @click="maskclose">
      <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">
               <view class="packing-registration-param-item param-extra">
                  <view class="packing-registration-param-item-left">
                     <text class="item-one">名称：</text>
               <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 class="device-name">
                     <text>名称：</text>
                     <text>{{ item.name || '未知设备' }}</text>
                  </view>
                  <view class="packing-registration-param-item-right">
                     <text class="item-one">{{ item.name }}</text>
                  </view>
               </view>
               <view class="packing-registration-param-item param-extra">
                  <view class="packing-registration-param-item-left">
                     <text class="item-one">UUID:</text>
                  </view>
                  <view class="packing-registration-param-item-right">
                     <text class="item-one">{{ item.address }}</text>

                  <view class="device-uuid">
                     <text>UUID:</text>
                     <text>{{ item.address || '无地址' }}</text>
                  </view>
               </view>
            </scroll-view>
         </view>
      </u-modal>
            <!-- </scroll-view>
         </view>
      </u-modal> -->
      <!-- 连接和打印状态指示器 -->
      <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>
      </view>
   </view>
</template>
<script>
@@ -169,9 +172,10 @@
            },
            maskShow: false,
            listDevice: [], //蓝牙设备数据
            pritList: [],
            printQueue: [], // 打印队列
            printing: false, // 是否正在打印
            printDensity: 3, // 默认打印浓度
            labelType: 1, // 默认标签类型 *                  
            labelType: 1, // 默认标签类型
            // 1：间隙纸
            // 2：黑标纸
            // 3：连续纸
@@ -180,7 +184,10 @@
            printMode: 2, // 默认打印模式
            //   1：热敏
            //    2：热转印
            connectedDevice: null // 已连接的打印机
            connectedDevice: null, // 已连接的打印机
            connectionStatus: 'disconnected', // 连接状态: disconnected, connecting, connected
            printStatus: 'idle', // 打印状态: idle, printing, error
            errorMessage: '' // 错误信息
         };
      },
      onLoad() {
@@ -263,25 +270,110 @@
               this.getlist();
            }
         },
         // 打印单个信息
         // 检查蓝牙连接状态
         async checkBluetoothConnection() {
            if (!this.connectedDevice) return false;
				
            // 尝试发送一个简单命令检查连接状态
            console.log('disconnected1111111111111')
            if (!this.connectedDevice) {
               this.connectionStatus = 'disconnected';
               return false;
            }
            console.log('disconnected2222222222')

            // 设置为连接中状态
            this.connectionStatus = 'connecting';
            console.log('disconnected33333333333')

            // 增强连接状态检测
            return new Promise(resolve => {
               jcapi.checkPrinterStatus(this.connectedDevice.address, r => {
                  if (r && r.code === 0) {
                     resolve(true);
                  } else {
                     // 连接已断开
                     this.connectedDevice = null;
                     resolve(false);
                  }
               });
               // 简化连接状态检测，直接使用已记录的连接状态
               if (this.connectedDevice) {
                  this.connectionStatus = 'connected';
                  resolve(true);
               } else {
                  this.connectionStatus = 'disconnected';
                  uni.showToast({
                     icon: 'none',
                     title: '打印机未连接，请先连接',
                     duration: 2000
                  });
                  resolve(false);
               }
            });
         },

         // 添加到打印队列
         addToPrintQueue(items) {
            if (!Array.isArray(items)) {
               items = [items];
            }

            this.printQueue.push(...items);
            // 如果不在打印中，则开始处理队列
            if (!this.printing) {
               this.processPrintQueue();
            }
         },

         // 处理打印队列
         async processPrintQueue() {
            while (this.printQueue.length > 0) {
               console.log('111111111111111', this.printQueue.length)
					
               // 检查连接状态
               console.log('12222222222222222')
               const isConnected = await this.checkBluetoothConnection();
               console.log('isConnected',isConnected)
               if (!isConnected) {
                  // 如果未连接，显示蓝牙连接对话框
                  this.searchDevice();
                  // 不是直接return，而是等待用户连接后再继续处理
                  return;
               }

               this.printing = true;
               this.printStatus = 'printing';

               // 取出队列中的第一个任务
               const item = this.printQueue.shift();
               console.log('打印的任务',item)

               try {
                  // 执行打印
                  await this.printQrCode(item);

                  // 打印成功后继续处理下一个
                  uni.showToast({
                     title: '打印成功',
                     icon: 'success',
                     duration: 1000
                  });

                  // 短暂延迟，避免打印机缓存溢出
                  await new Promise(resolve => setTimeout(resolve, 1000));
               } catch (error) {
                  console.error('打印出错:', error);
                  this.printStatus = 'error';
                  this.errorMessage = error.message || '打印时发生未知错误';
                  this.printing = false;

                  // 记录失败的任务，不重新添加到队列
                  this.failedPrintJobs = this.failedPrintJobs || [];
                  this.failedPrintJobs.push(item);

                  uni.showToast({
                     title: `打印失败: ${this.errorMessage}`,
                     icon: 'none',
                     duration: 2000
                  });
                  // 继续处理下一个任务
                  continue;
               }
            }

            this.printing = false;
            this.printStatus = 'idle';
         },
         // 打印单个信息
         selectNo(item) {
            let that = this
            uni.showModal({
@@ -290,45 +382,24 @@
               showCancel: true,
               success: async function(res) {
                  if (res.confirm) {
                     // 检查蓝牙连接状态
                     const isConnected = await that.checkBluetoothConnection();
                     if (isConnected) {
                        // 已连接，直接打印
                        that.pritList = [item]
                        that.pritList.forEach(async item => {
                           await that.printQrCode(item)
                        })
                     } else {
                        // 未连接或连接已断开，搜索设备
                        that.searchDevice()
                        that.pritList = [item]
                     }
                     // 添加到打印队列
                     that.addToPrintQueue(item);
                  }
               }
            });
         },

         // 打印全部信息
         goPrintAll() {
            let that = this
            uni.showModal({
               title: '提示',
               content: '是否打印装箱单？',
               content: `是否打印全部${that.list.length}条装箱单？`,
               showCancel: true,
               success: async function(res) {
                  if (res.confirm) {
                     // 检查蓝牙连接状态
                     const isConnected = await that.checkBluetoothConnection();
                     if (isConnected) {
                        // 已连接，直接打印
                        that.pritList = that.list
                        that.pritList.forEach(async item => {
                           await that.printQrCode(item)
                        })
                     } else {
                        // 未连接或连接已断开，搜索设备
                        that.searchDevice()
                        that.pritList = that.list
                     }
                     // 添加到打印队列
                     that.addToPrintQueue([...that.list]);
                  }
               }
            });
@@ -341,164 +412,192 @@
         },
         //打印二维码
         async printQrCode(item) {
            console.log('item de shuju ', item)
            const params = {
               rwMatlBindId: item.id
            };
            try {
            let res = await this.$u.api.dailyPaper.zongjianLabelInfo(params)
            if (!res.data) {
               this.$refs.uToast.show({
                  title: '未查询到该标签信息！',
                  type: 'warning '
               })
               return
            }
            // const res = {
            //    ht: 'HT20250717995352665',
            //    lj: '88.118.1/A0611091',
            //    ljms: '铜单线 裸铜-TY-圆形-3.0',
            //    fh: '1083.6',
            //    scdt: '2025-07-14 13:46:55.0',
            //    scph: '2025071273-3',
            //    fhdw: '江东合金技术有限公司',
            //    shdw: '昆山泰德通铜业有限公司',
            // }
            // 从API响应中提取所需数据
            const {
               ht,
               lj,
               ljms,
               fh,
               scdt,
               scph,
               fhdw,
               shdw
            } = res.data
            // const jsonString = JSON.stringify(res.data)
            return new Promise(async (resolve, reject) => {
               console.log('item de shuju ', item)
               // const params = {
               //    rwMatlBindId: item.id
               // };
               try {
                  let res = {
                     data: {
                     ht:'1',
                     lj:'1',
                     ljms:'1',
                     fh:'1',
                     scdt:'1',
                     scph:'1',
                     fhdw:'1',
                     shdw:'1',
                  }}
                  // let res = await this.$u.api.dailyPaper.zongjianLabelInfo(params)
                  if (!res.data) {
                     this.$refs.uToast.show({
                        title: '未查询到该标签信息！',
                        type: 'warning '
                     })
                     reject(new Error('未查询到该标签信息'));
                     return
                  }

            // 初始化画板
            jcapi.initDrawingBoard({
               width: 70,
               height: 49,
               rotate: 90
            });
                  // 从API响应中提取所需数据
                  const {
                     ht,
                     lj,
                     ljms,
                     fh,
                     scdt,
                     scph,
                     fhdw,
                     shdw
                  } = res.data

            // 绘制二维码
            const qrContent =
               `ht:${ht}\nlj:${lj}\nljms:${ljms}\nfh:${fh}\nscdt:${scdt}\nscph:${scph}\nfhdw:${fhdw}\nshdw:${shdw}`;
            jcapi.drawLabelQrCode({
               x: 43.5,
               y: 2,
               width: 24,
               height: 24,
               value: qrContent,
               rotate: 0,
               codeType: QrCodeType.QrCode,
            });
            // getDrawLabelLine   （x坐标，y坐标，线条宽度，线条高度，旋转角度，线条类型）
            // 绘制横线 实线8条
            this.getDrawLabelLine(1, 1, 67, 0.5, 0, LineType.Solid)
            this.getDrawLabelLine(1, 6, 42, 0.3, 0, LineType.Solid)
            this.getDrawLabelLine(1, 11, 42, 0.3, 0, LineType.Solid)
            this.getDrawLabelLine(1, 16, 42, 0.3, 0, LineType.Solid)
            this.getDrawLabelLine(1, 21, 42, 0.3, 0, LineType.Solid)
            this.getDrawLabelLine(1, 27, 67, 0.3, 0, LineType.Solid)
            this.getDrawLabelLine(1, 32, 67,0.3, 0, LineType.Solid)
            this.getDrawLabelLine(1, 37, 67, 0.3, 0, LineType.Solid)
            this.getDrawLabelLine(1, 42, 67, 0.3, 0, LineType.Solid)
            this.getDrawLabelLine(1, 47, 67, 0.5, 0, LineType.Solid)
            //绘制竖线
            this.getDrawLabelLine(1, 1, 0.5, 46, 0, LineType.Solid) // 竖线1
            this.getDrawLabelLine(43, 1, 0.3, 26, 0, LineType.Solid) // 竖线2
            this.getDrawLabelLine(68, 1, 0.5, 46, 0, LineType.Solid) // 竖线2
            // getDrawLabelText   （1.x坐标，2.y坐标，3.文本框宽度，4.文本框高度，5.绘制文字内容，6.字体大小（默认高度4mm）,7.旋转角度,8.换行方式,9.⾏间隔,10.字间隔,11.文字水平布局,12文字垂直布局)
            // 标题
            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)
            // 填冲文字标题
            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)
            // 填冲参数值
            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, 32.5, 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)
                  // 初始化画板
                  jcapi.initDrawingBoard({
                     width: 70,
                     height: 49,
                     rotate: 90
                  });

            // 生成打印数据
            let imageJsonObj = jcapi.generateLabelJson()
            let imageJsonObj111 = jcapi.generatePrintPreviewImage(imageJsonObj)
            console.log('预览', imageJsonObj111)
            // // 设置打印任务
            jcapi.startJob({
               totalCount: 1,
               density: this.printDensity,
               labelType: this.labelType,
               printMode: this.printMode,
            }, function(r) {
               console.log('打印', r)
               if (r.code == 0) {
                  // 打印数据
                  jcapi.printData(imageJsonObj, {
                     "printQuantity": 1,
                  // 绘制二维码
                  const qrContent = 
                     `ht:${ht}\nlj:${lj}\nljms:${ljms}\nfh:${fh}\nscdt:${scdt}\nscph:${scph}\nfhdw:${fhdw}\nshdw:${shdw}`;
                  jcapi.drawLabelQrCode({
                     x: 43.5,
                     y: 2,
                     width: 24,
                     height: 24,
                     value: qrContent,
                     rotate: 0,
                     codeType: QrCodeType.QrCode,
                  });

                  // 绘制横线
                  this.getDrawLabelLine(1, 1, 67, 0.5, 0, LineType.Solid)
                  this.getDrawLabelLine(1, 6, 42, 0.3, 0, LineType.Solid)
                  this.getDrawLabelLine(1, 11, 42, 0.3, 0, LineType.Solid)
                  this.getDrawLabelLine(1, 16, 42, 0.3, 0, LineType.Solid)
                  this.getDrawLabelLine(1, 21, 42, 0.3, 0, LineType.Solid)
                  this.getDrawLabelLine(1, 27, 67, 0.3, 0, LineType.Solid)
                  this.getDrawLabelLine(1, 32, 67, 0.3, 0, LineType.Solid)
                  this.getDrawLabelLine(1, 37, 67, 0.3, 0, LineType.Solid)
                  this.getDrawLabelLine(1, 42, 67, 0.3, 0, LineType.Solid)
                  this.getDrawLabelLine(1, 47, 67, 0.5, 0, LineType.Solid)

                  //绘制竖线
                  this.getDrawLabelLine(1, 1, 0.5, 46, 0, LineType.Solid) // 竖线1
                  this.getDrawLabelLine(43, 1, 0.3, 26, 0, LineType.Solid) // 竖线2
                  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)

                  // 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)

                  // 生成打印数据
                  let imageJsonObj = jcapi.generateLabelJson()
                  console.log('打印的数据',imageJsonObj)

                  // 设置打印任务
                  jcapi.startJob({
                     totalCount: 1,
                     density: this.printDensity,
                     labelType: this.labelType,
                     printMode: this.printMode,
                  }, function(r) {
                     if (r.code == 0) {
                        console.log("打印成功")
                        uni.showToast({
                           title: '打印成功',
                           icon: 'success'
                        // 打印数据
                        // 存储原始打印计数回调
                        const originalPrintCountCallback = jcapi.didReadPrintCountInfo._callback;
                        // 临时打印计数回调，用于确认打印完成
                        const tempPrintCountCallback = (printResult) => {
                           console.log("打印计数回调:", printResult);
                           // 恢复原始回调
                           jcapi.didReadPrintCountInfo(originalPrintCountCallback);
                           // 结束当前打印任务
                           // 解析Promise表示打印完成
                           resolve();
                        };
                        // 设置临时回调
                        jcapi.didReadPrintCountInfo(tempPrintCountCallback);

                        // 添加打印超时处理
                        const printTimeout = setTimeout(() => {
                           jcapi.didReadPrintCountInfo(originalPrintCountCallback);
                           reject(new Error('打印超时未响应'));
                        }, 10000);

                        jcapi.printData(imageJsonObj, {
                           "printQuantity": 1,
                        }, function(r) {
                           if (r.code != 0) {
                              console.log("打印失败", r);
                              // 恢复原始回调
                              jcapi.didReadPrintCountInfo(originalPrintCountCallback);
                              // 结束当前打印任务
                              reject(new Error(r.msg || '打印失败'));
                           }
                           // ��印数据发送成功后等待打印计数回调确认实际打印完成
								
                        })
                     } else {
                        console.log("打印失败")
                        uni.showToast({
                           title: '打印失败: ' + (r.msg || '未知错误'),
                           icon: 'none'
                        })
                        console.log("设置打印任务失败", r)
                        reject(new Error(r.msg || '设置打印任务失败'));
                     }
                  })
               } else {
                  console.log("设置打印任务失败")
               } catch (error) {
                  console.log(error)
                  reject(error);
               }

            })

            });
         },
         tapQuery(item) {
            this.maskShow = false
            // 连接打印机
            let _this = this;
            console.log(item)

            // 设置为连接中状态
            this.connectionStatus = 'connecting';

            jcapi.openPrinterByDevice({
               address: item.address,
               name: item.name,
               deviceType: 0 // 设备类型：0-蓝牙，1-网络
            }, function(r) {
               uni.showToast({
                  title: (r.code == 0) ? "连接成功" : "连接失败",
                  duration: 2 * 1000
               })
               if (r.code == 0) {
                  _this.connectedDevice = item
                  // 添加打印列表空值检查
                  if (!_this.pritList || _this.pritList.length === 0) {
                     uni.showToast({
                        title: '没有可打印的数据',
                        icon: 'none'
                     })
                     return
                  _this.connectionStatus = 'connected';
                  uni.showToast({
                     title: "连接成功",
                     duration: 1500
                  })
                  // 开始处理打印队列
                  console.log('打印队列',_this.printQueue)
                  if (_this.printQueue.length > 0) {
                     _this.processPrintQueue();
                  }
                  // 绘标签进行打印
                  _this.pritList.forEach(async item => {
                     await _this.printQrCode(item)
               } else {
                  _this.connectionStatus = 'disconnected';
                  uni.showToast({
                     title: "连接失败: " + (r.msg || '未知错误'),
                     icon: 'none',
                     duration: 2000
                  })
               }
            })
@@ -517,7 +616,8 @@
                     // 搜索到设备回调
                     uni.hideLoading()
                     // 如果之前有连接的设备但不在搜索结果中，说明设备已更换
                     if (_this.connectedDevice && !r.some(dev => dev.address === _this.connectedDevice.address)) {
                     if (_this.connectedDevice && !r.some(dev => dev.address === _this
                           .connectedDevice.address)) {
                        _this.connectedDevice = null;
                        uni.showToast({
                           icon: 'none',
@@ -539,7 +639,7 @@
               }
            })
         },
         // 绘制横线 实线
         // 绘制横线 ���线
         getDrawLabelLine(x, y, width, height, rotate, lineType) {
            jcapi.drawLabelLine({
               x: x,
@@ -552,7 +652,7 @@
         },
         // 填冲文字标题
         getDrawLabelText(x, y, width, height, value, fontSize, rotate, lineMode, lineSpace, letterSpace,
            textAlignHorizontal, textAlignVertical,bold) {
            textAlignHorizontal, textAlignVertical, bold) {

            jcapi.drawLabelText({
               x: x,
@@ -567,11 +667,33 @@
               letterSpace: letterSpace,
               textAlignHorizontal: textAlignHorizontal,
               textAlignVertical: textAlignVertical,
               bold:bold
               bold: bold
            })
         },

         //刷新上一个页面
         getConnectionStatusText() {
            switch(this.connectionStatus) {
               case 'connected':
                  return '蓝牙已连接';
               case 'connecting':
                  return '蓝牙连接中...';
               default:
                  return '蓝牙未连接';
            }
         },
         getPrintStatusText() {
            switch(this.printStatus) {
               case 'printing':
                  const total = this.printQueue.length + 1; // 队列中剩余 + 当前正在打印
                  const current = total - this.printQueue.length;
                  return `打印中(${current}/${total})`;
               case 'error':
                  return `打印错误: ${this.errorMessage}`;
               default:
                  return '就绪';
            }
         },
         refreshLastPage(no) {
            // 告知 A.vue 更新数据
            // 获取页面栈
@@ -728,4 +850,87 @@
      line-height: 36rpx;
      margin-right: 32rpx;
   }

   /* 模态框样式优化 */
   .u-modal {
      --modal-width: 85% !important;
      --modal-radius: 16rpx !important;
      --modal-bg-color: #ffffff !important;
   }

   /* 模态框内容区域 */
   .uni-scroll_box {
      height: 500rpx !important;
      padding: 20rpx;
   }

   /* 设备列表项样式 */
   .device-item {
      background-color: #f5f9ff;
      border-radius: 12rpx;
      padding: 20rpx;
      margin-bottom: 16rpx;
      box-shadow: 0 2rpx 8rpx rgba(0, 0, 0, 0.05);
   }

   /* 设备名称样式 */
   .device-name {
      font-size: 28rpx;
      font-weight: 500;
      color: #333333;
      margin-bottom: 10rpx;
      display: flex;
      justify-content: space-between;
   }

   /* UUID文本样式 */
   .device-uuid {
      font-size: 24rpx;
      color: #666666;
      word-break: break-all;
   }

   /* 模态框标题 */
   .modal-title {
      font-size: 32rpx;
      font-weight: bold;
      color: #333333;
      text-align: center;
      margin-bottom: 20rpx;
      padding-bottom: 10rpx;
      border-bottom: 1rpx solid #eeeeee;
   }

   /* 空状态提示 */
   .empty-tip {
      text-align: center;
      padding: 100rpx 0;
      color: #999999;
      font-size: 28rpx;
   }

   .status-indicator {
      padding: 8rpx 16rpx;
      font-size: 24rpx;
      text-align: center;
      color: #fff;
      background-color: #666;
	
      &.connected {
         background-color: #07c160;
      }
	
      &.connecting {
         background-color: #ff976a;
      }
	
      &.disconnected {
         background-color: #f53f3f;
      }
	
      .print-status {
         margin-left: 10rpx;
         font-size: 22rpx;
      }
   }
</style>