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import PrinterJobs from '@/components/print/printerjobs.js'
import printerUtil from '@/components/print/printerutil.js'
import util from '@/components/print/util.js'
import drawQrcode from '@/components/print/weapp.qrcode.esm.js'
import Bluetooth from '@/components/print/bluetooth.js'
let bluetooth = new Bluetooth();
let isPrint= false
let data1 = {}
export default {
// onDone: 打印完成(或失败/跳过)后执行的回调,用于队列驱动
getData(onDone) {
var that = this;
if(uni.getStorageSync('bluetoothDeviceId')){
let id = uni.getStorageSync('bluetoothDeviceId')
const baseUrl = getApp().globalData.mainurl
uni.request({
url: baseUrl + "/mall/order/detail/"+ getApp().globalData.printData[0].order_id,
data: {},
method:'GET',
header: {
"content-type": 'application/x-www-form-urlencoded',
'accessToken':uni.getStorageSync('hiver_token')
},
success: function(res) {
if (res.data.code == 200) {
data1 = res.data.result
that.bindViewTap(id, false, onDone)
} else {
uni.showToast({
title: res.data.message,
icon: 'none'
});
// 请求失败也需要通知队列继续处理下一条
if (typeof onDone === 'function') onDone();
return;
}
uni.hideLoading();
},
fail: function(err) {
uni.hideLoading();
// 请求失败也需要通知队列继续处理下一条
if (typeof onDone === 'function') onDone();
}
})
}else{
uni.showModal({
title: '提示',
content: '您还没有连接打印机,将无法为您打印小票!',
confirmText:'连接蓝牙',
cancelText:'暂不连接',
success: function (res) {
if (res.confirm) {
uni.navigateTo({
url:'/pages/myCenter/setPrint'
})
}
// 未连接打印机也通知队列继续(跳过当前条)
if (typeof onDone === 'function') onDone();
}
});
}
},
async bindViewTap(deviceId, state, onDone) {
var _this = this;
try {
//1.链接设备
await bluetooth.createBLEConnection(deviceId).then((res) => {
bluetooth.deviceId = deviceId;
}).catch((e) => {
throw e;
});
let server = [];
//2.寻找服务
await bluetooth.getBLEDeviceServices().then((res) => {
bluetooth.notifyId = '';
bluetooth.writeId = '';
bluetooth.num = 0;
bluetooth.serviceList = res
}).catch((e) => {
throw e;
});
//3.获取蓝牙设备所有服务
let result3 = await bluetooth.getBLEDeviceCharacteristics().then(res => {
uni.setStorageSync('bluetoothDeviceId', deviceId);
this.pickUpOnce(onDone)
}).catch((e) => {
throw e;
});
} catch (e) {
// 蓝牙连接异常也需要通知队列继续
if (typeof onDone === 'function') onDone();
}
},
//打印一次
pickUpOnce(onDone) {
isPrint = true;
bluetooth.notifyBLECharacteristicValue();
let self = this;
setTimeout(() => {
self.writeBLECharacteristicValue(onDone);
}, 500);
},
//写入控制命令
async writeBLECharacteristicValue(onDone) {
let printerJobs = new PrinterJobs();
printerJobs.setAlign('ct').setSize(2, 2).setLineSpacing(60).print(
(data1.deliveryType == 1 && data1.orderType == 3 ? data1.deliveryInfo.numberCode :data1.numberCode) + (
(data1.status == 7 || data1.status == 11) ? '待退款' :
data1.deliveryType == 1 && data1.orderType == 3 ? '面对面配送' :
data1.deliveryType == 1 ? '配送' :
data1.isPack == 0 ? '到店-堂食' :
data1.isPack == 1 ? '到店-打包' : '到店'
)
);
printerJobs.setSize(1, 1).setLineSpacing(40);
printerJobs.setAlign('lt').print(
'预计时间:' + (data1.deliveryInfo == null ? '暂无' : this.formatTime(data1.deliveryInfo.mustFinishTime))
);
printerJobs.setAlign('lt').print(data1.shopName);
printerJobs.print(printerUtil.fillLine('-', 1, 32));
printerJobs.setAlign('lt').setSize(2, 2).setLineSpacing(60).print(
data1.receiverName == null ? '暂无' : data1.receiverName
);
printerJobs.setSize(1, 1).setLineSpacing(40);
printerJobs.setAlign('lt').print('联系电话: ' + data1.receiverPhone);
printerJobs.setAlign('lt').setSize(2, 2).setLineSpacing(60).print(
'地址:' + (data1.receiverAddress == null ? '暂无' : data1.receiverAddress)
);
printerJobs.setSize(1, 1).setLineSpacing(40);
printerJobs.setAlign('lt').print('顾客电话及地址已被隐藏,您可登录商家端或骑手端查看');
printerJobs.print(printerUtil.fillLine('-', 1, 32));
// 商品列表
for (var i = 0; i < data1.goodsList.length; i++) {
var productName = this.removeEmojis(data1.goodsList[i].productName)
printerJobs.setAlign('lt').setSize(2, 2).print(productName);
if (data1.goodsList[i].specs) {
printerJobs.setSize(1, 1).print(this.delNode(data1.goodsList[i].specs));
}
printerJobs.setAlign('lt').text(data1.goodsList[i].price);
printerJobs.text(" ");
printerJobs.setSize(2, 2);
printerJobs.print('X' + data1.goodsList[i].quantity);
printerJobs.setSize(1, 1);
}
printerJobs.print(printerUtil.fillLine('-', 1, 32));
printerJobs.setAlign('lt').print('配送费:' + data1.deliveryFee);
printerJobs.print('合计金额:' + data1.totalAmount);
printerJobs.setSize(2, 2).print('备注:' + data1.remark);
printerJobs.setSize(1, 1).print(printerUtil.fillLine('-', 1, 32));
printerJobs.setAlign('lt').print('商品取到后,如有任何商品问题,请及时联系商家和平台,客服将为您服务,客服电话 15533910775,谢谢您的惠顾');
printerJobs.lineFeed(3);
let buffer = printerJobs.buffer();
this.sendPrint(buffer, onDone);
},
// 去除字符串中的 Emoji 表情
removeEmojis(str) {
if (!str) return '';
// 兼容性极好的 Emoji 正则表达式(支持各种运行环境,包括小程序和旧版浏览器)
var emojiRegex = /(?:[\u2700-\u27bf]|(?:\ud83c[\udde6-\uddff]){2}|[\ud800-\udbff][\udc00-\udfff]|[\u0023-\u0039]\ufe0f?\u20e3|\u3299|\u3297|\u303d|\u3030|\u24c2|\ud83c[\udd70-\udd71]|\ud83c[\udd7e-\udd7f]|\ud83c\udd8e|\ud83c[\udd91-\udd9a]|\ud83c[\udde6-\uddff]|\ud83c[\ude01-\ude02]|\ud83c\ude1a|\ud83c\ude2f|\ud83c[\ude32-\ude3a]|\ud83c[\ude50-\ude51]|\u203c|\u2049|[\u25aa-\u25ab]|\u25b6|\u25c0|[\u25fb-\u25fe]|\u00a9|\u00ae|\u2122|\u2139|\ud83c\udc04|[\u2600-\u26FF]|\u2b05|\u2b06|\u2b07|\u2b1b|\u2b1c|\u2b50|\u2b55|\u231a|\u231b|\u2328|\u23cf|[\u23e9-\u23f3]|[\u23f8-\u23fa]|\ud83c\udccf|\u2934|\u2935|[\u2190-\u21ff])/g;
return str.replace(emojiRegex, '');
},
formatTime(value) {
if (!value) return '';
if (value == '尽快送达') return '尽快送达';
const date = new Date(value);
// 获取年份
const year = date.getFullYear();
// 获取月份 (getMonth 返回 0-11,所以需要 +1),并补齐0
const month = String(date.getMonth() + 1).padStart(2, '0');
// 获取日 (getDate),并补齐0
const day = String(date.getDate()).padStart(2, '0');
// 获取小时 (getHours),并补齐0
const hour = String(date.getHours()).padStart(2, '0');
// 获取分钟 (getMinutes),并补齐0
const minute = String(date.getMinutes()).padStart(2, '0');
// 获取秒 (getSeconds),并补齐0
const second = String(date.getSeconds()).padStart(2, '0');
// 拼接格式:年-月-日 时:分:秒
return `${year}-${month}-${day} ${hour}:${minute}:${second}`;
},
delNode(data) {
// 1. 统一转为字符串
let str;
if (typeof data === 'object' && data !== null) {
// 对象或数组 → JSON 字符串
str = JSON.stringify(data);
} else if (typeof data === 'string') {
str = data;
} else {
// 其他类型(数字、布尔等)先转字符串
str = String(data);
}
// 2. 删除所有大括号 { } 和双引号 "
const result = str.replace(/[{}"]/g, '');
return result;
},
sendPrint(buffer, onDone) {
const maxChunk = 20; // 每次20字节
const delay = 50; // 间隔50ms
isPrint = true;
const totalLength = buffer.byteLength;
let currentIndex = 0;
// 创建源数据的视图,方便读取
const srcView = new Uint8Array(buffer);
const sendNextChunk = () => {
if (currentIndex >= totalLength) {
// 发送完毕
isPrint = false;
if (typeof onDone === 'function') onDone();
return;
}
const end = Math.min(currentIndex + maxChunk, totalLength);
const chunkLength = end - currentIndex;
const valueToSend = new ArrayBuffer(chunkLength);
const dstView = new Uint8Array(valueToSend);
dstView.set(srcView.subarray(currentIndex, end));
bluetooth.writeBLECharacteristicValue(valueToSend).then(() => {
currentIndex = end;
setTimeout(sendNextChunk, delay);
}).catch((err) => {
isPrint = false;
if (typeof onDone === 'function') onDone(err);
});
};
// 开始发送第一个包
sendNextChunk();
},
sendPrintData(buffer) {
bluetooth.writeBLECharacteristicValue(buffer).then(res => {});
},
startSearch(state) {
let that = this
bluetooth.openBluetoothAdapter().then(e => {
uni.startBluetoothDevicesDiscovery({
success: res => {
uni.onBluetoothDeviceFound(result => {
let arr = that.list;
let devices = [];
let list = result.devices;
for (let i = 0; i < list.length; ++i) {
if (list[i].name && list[i].name != "未知设备") {
let arrNew = arr.filter((item) => {
return item.deviceId == list[i].deviceId;
});
if (arrNew.length == 0) {
devices.push(list[i]);
}
if (uni.getStorageSync('bluetoothDeviceId') == list[i]
.deviceId) {
// that.bindViewTap(list[i].deviceId, state)
}
}
}
that.list = arr.concat(devices);
});
},
fail: res => {
uni.hideLoading();
uni.showToast({
title: `搜索设备失败` + JSON.stringify(err)
})
}
})
}).catch(e => {});
},
// 停止搜索
stopSearch() {
uni.hideLoading();
bluetooth.stopBluetoothDevicesDiscovery();
}
}