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tianyi 3 weeks ago
parent
14edfd5560
commit
e56f23b915
3 changed files with 117 additions and 73 deletions
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  1. 2
      components/print/escpos.js
  2. 180
      components/print/index.js
  3. 8
      components/tab-bar/myCenter.vue

2
components/print/escpos.js
View File

@ -4,7 +4,7 @@
*/
const encode = require('./encoding');
var _ = {
LF: [0x0a],
LF: [0x0D, 0x0A],
FS: [0x1c],
FF: [0x0c],
GS: [0x1d],

180
components/print/index.js
View File

@ -106,54 +106,72 @@
},
//写入控制命令
async writeBLECharacteristicValue(onDone) {
if(data1.receiverName == null){
data1.receiverName = "***"
}
if(data1.receiverAddress == null){
data1.receiverAddress = '***'
}
if(data1.deliveryInfo == null){
data1.deliveryInfo = {
mustFinishTime:"***"
}
}
let printerJobs = new PrinterJobs();
printerJobs.setAlign('ct').setSize(2, 2).setLineSpacing(80).print(data1.numberCode + ((data1.status == 7 || data1.status == 11)? '待退款' :data1.deliveryType == 1?'配送':data1.isPack== 0?'自取-堂食':data1.isPack== 1?'自取-打包':'自取'))
.setAlign('lt').setSize(1, 1).setLineSpacing(40).print('预计时间:'+ (data1.deliveryInfo == null?'暂无':this.formatTime(data1.deliveryInfo.mustFinishTime)))
.setAlign('lt').setSize(1, 1).setLineSpacing(40).print(data1.shopName)
.print(printerUtil.fillLine('-', 1, 50))
.setAlign('lt').setSize(2, 2).setLineSpacing(80).print(data1.receiverName == null?'暂无':data1.receiverName)
.setAlign('lt').setSize(1, 1).setLineSpacing(40).print('联系电话: '+data1.receiverPhone)
.setAlign('lt').setSize(2, 2).setLineSpacing(80).print('地址:'+(data1.receiverAddress == null?'暂无':data1.receiverAddress))
.setAlign('lt').setSize(1, 1).setLineSpacing(40).print('为保护隐私，顾客电话及地址已被隐藏，您可登录商家端或骑手端查看')
.print(printerUtil.fillLine('-', 1, 50));
for (var i = 0; i < data1.goodsList.length; i++) {
printerJobs.setAlign('lt').setSize(1, 1).setLineSpacing(40).print(data1.goodsList[i].productName)
if(!data1.goodsList[i].specs){
printerJobs.setAlign('lt').setSize(1, 1).setLineSpacing(40).print(this.delNode(data1.goodsList[i].specs))
}
let setLineSpacing = 40
printerJobs.setLineSpacing(setLineSpacing).print(printerUtil.inlineArr([{
'text': data1.goodsList[i].price,
'width': 10,
}, {
'text': 'X' + data1.goodsList[i].quantity,
'width': 20,
}], 1, 50));
}
printerJobs.print(printerUtil.fillLine('-', 1, 50))
.setAlign('lt').setSize(1, 1).setLineSpacing(40).print('配送费：'+ data1.deliveryFee)
.setAlign('lt').setSize(1, 1).setLineSpacing(40).print('合计金额：'+ data1.totalAmount)
.print(printerUtil.fillLine('-', 1, 50))
.setAlign('lt').setSize(1, 1).setLineSpacing(40).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')
.println();
let buffer = printerJobs.buffer();
this.sendPrint(buffer, onDone);
console.log('数据啊----------', data1)
let printerJobs = new PrinterJobs();
printerJobs.setAlign('ct').setSize(2, 2).setLineSpacing(60).print(
data1.numberCode + (
(data1.status == 7 || data1.status == 11) ? '待退款' :
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));
for (var i = 0; i < data1.goodsList.length; i++) {
printerJobs.setAlign('lt').print(data1.goodsList[i].productName);
if (data1.goodsList[i].specs) {
printerJobs.print(this.delNode(data1.goodsList[i].specs));
}
printerJobs.setLineSpacing(30).print(
printerUtil.inlineArr([{
'text': data1.goodsList[i].price,
'width': 10,
}, {
'text': 'X' + data1.goodsList[i].quantity,
'width': 20,
}], 1, 32)
);
}
printerJobs.print(printerUtil.fillLine('-', 1, 32));
printerJobs.setAlign('lt').print('配送费：' + data1.deliveryFee);
printerJobs.print('合计金额：' + data1.totalAmount);
printerJobs.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);
},
formatTime(value) {
if (!value) return '';
@ -199,27 +217,51 @@
return result;
},
sendPrint(buffer, onDone) {
// 1.并行调用多次会存在写失败的可能性
// 2.建议每次写入不超过20字节
// 分包处理，延时调用
let that = this
const maxChunk = 20;
const delay = 20;
isPrint = true;
const totalPackages = Math.ceil(buffer.byteLength / maxChunk);
for (let i = 0, j = 0, length = buffer.byteLength; i < length; i += maxChunk, j++) {
let subPackage = buffer.slice(i, i + maxChunk <= length ? (i + maxChunk) : length);
// 最后一个分包发送完成后，标记打印结束并触发回调
if (j === totalPackages - 1) {
setTimeout(() => {
that.sendPrintData(subPackage);
isPrint = false;
if (typeof onDone === 'function') onDone();
}, j * delay);
} else {
setTimeout(this.sendPrintData, j * delay, subPackage);
}
}
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;
// 创建一个全新的、长度精确的 ArrayBuffer
const valueToSend = new ArrayBuffer(chunkLength);
const dstView = new Uint8Array(valueToSend);
// 将源数据拷贝到新的 ArrayBuffer 中
dstView.set(srcView.subarray(currentIndex, end));
console.log('发送分包:', currentIndex, '长度:', chunkLength);
// 【核心修复】：直接调用 bluetooth 对象封装好的方法
// 它内部会自动使用正确的 bluetooth.deviceId, bluetooth.serviceId, bluetooth.writeId
bluetooth.writeBLECharacteristicValue(valueToSend).then(() => {
currentIndex = end;
// 成功后，延迟再发下一个
setTimeout(sendNextChunk, delay);
}).catch((err) => {
console.error('发送失败:', 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 => {});

8
components/tab-bar/myCenter.vue
View File

@ -49,17 +49,17 @@
<uni-icons type="right" size="22"></uni-icons>
</view>
</view> -->
<!-- <view class="list-1">
<view class="list-1" @click="navigatorTo('xiugaimima')">
<view class="list-icon">
<uni-icons type="wallet" size="22"></uni-icons>
</view>
<view class="list-name">
系统设置
修改密码
</view>
<view class="list-right">
<uni-icons type="right" size="22"></uni-icons>
</view>
</view> -->
</view>
<!-- <view class="list-1">
<view class="list-icon">
<uni-icons type="wallet" size="22"></uni-icons>
@ -135,6 +135,8 @@
url = '/pages/myCenter/shopDetail'
}else if(e == 'yingyexinxi'){
url = '/pages/myCenter/businessInfo'
}else if(e == 'xiugaimima'){
url = '/pages/login/regist?type=3'
}
uni.navigateTo({
url: url

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