529 lines
28 KiB
JavaScript
529 lines
28 KiB
JavaScript
// 网口打印机管理（80mm 终极美化版 · 无多余间距最终版）
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import net from 'net'
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import iconv from 'iconv-lite'
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// ======================== 全局工具函数 ========================
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const getPrintWidth = (str) => {
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let width = 0
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const s = String(str || '')
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for (let i = 0; i < s.length; i++) {
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const char = s.charAt(i)
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if (/[\u4e00-\u9fa5\u3000-\u303f\uff00-\uffef]/.test(char)) {
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width += 2
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} else {
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width += 1
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}
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}
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return width
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}
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const padLeftAlign = (str, targetWidth) => {
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const s = String(str || '')
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const currentWidth = getPrintWidth(s)
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const spaceNum = Math.max(0, targetWidth - currentWidth)
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return s + ' '.repeat(spaceNum)
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}
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const padRightAlign = (str, targetWidth) => {
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const s = String(str || '')
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const currentWidth = getPrintWidth(s)
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const spaceNum = Math.max(0, targetWidth - currentWidth)
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return ' '.repeat(spaceNum) + s
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}
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const truncateByPrintWidth = (str, maxWidth) => {
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const s = String(str || '')
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let width = 0
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let result = ''
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for (const char of s) {
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const charWidth = /[\u4e00-\u9fa5\u3000-\u303f\uff00-\uffef]/.test(char) ? 2 : 1
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if (width + charWidth > maxWidth) break
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result += char
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width += charWidth
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}
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return result
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}
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const centerAlign = (str, lineWidth = 48) => {
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const s = String(str || '').trim(); // 去除首尾空格，避免干扰
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const currentWidth = getPrintWidth(s);
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if (currentWidth >= lineWidth) return s; // 内容超宽时直接返回，不居中
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const totalPad = lineWidth - currentWidth;
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const leftPad = Math.floor(totalPad / 2);
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const rightPad = totalPad - leftPad; // 避免奇数宽度时总长度超行宽
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// 用空格填充左右，保证总宽度严格等于 lineWidth
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return ' '.repeat(leftPad) + s + ' '.repeat(rightPad);
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};
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const createDivider = (lineWidth = 48, type = 'full') => {
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const fullChar = '═'
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const thinChar = '─'
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const char = type === 'full' ? fullChar : thinChar
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return char.repeat(Math.ceil(lineWidth / 2)).substring(0, lineWidth)
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}
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const setupPrinter = (socket, options = {}) => {
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socket.write(Buffer.from([0x1B, 0x40]))
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if (options.fontSize) {
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socket.write(Buffer.from([0x1B, 0x21, options.fontSize]))
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}
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if (options.bold) {
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socket.write(Buffer.from([0x1B, 0x45, options.bold ? 0x01 : 0x00]))
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}
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}
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// 用餐模式 堂食 dine-in 外带 take-out 外卖 take-away
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const dineModeFilter = t => {
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if (t === 'dine-in') return '堂食'
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if (t === 'take-out') return '外带'
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if (t === 'take-away') return '外卖'
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return t
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}
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// ======================== 打印结算小票 ========================
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export function printReceipt(printerIp, order) {
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return new Promise((resolve) => {
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const socket = new net.Socket()
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const lineWidth = 48
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socket.setTimeout(8000)
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const formatAmount = (amount) => Number(amount || 0).toFixed(2)
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socket.connect(9100, printerIp, () => {
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try {
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setupPrinter(socket)
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// ======================== 标题区域（彻底修复居中问题！） ========================
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const title1 = order.shop_name || '';
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let title2 = `结算单 #${order.orderInfo.orderNum}`
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if (order.isBefore && !order.isGuest) {
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title2 = `${order.isBefore ? '预' : ''}结算单 #${order.orderInfo.orderNum}`;
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}
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if (order.isGuest && order.isBefore) {
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title2 = `客看单 #${order.orderInfo.orderNum}`;
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}
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// 核心修复：先写入空行清空打印机缓冲区，避免残留字符干扰居中起始位置
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socket.write(iconv.encode('\n', 'gbk'));
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// 步骤1：重置打印机格式（避免残留格式影响）
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socket.write(Buffer.from([0x1B, 0x40]));
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// 步骤2：居中对齐标题
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socket.write(Buffer.from([0x1B, 0x61, 0x01])); // 1 = center
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// 步骤3：设置标题1的格式（加粗+大号字体）
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socket.write(Buffer.from([0x1B, 0x21, 0x11])); // 字号放大（0x11 是常用放大值）
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socket.write(Buffer.from([0x1B, 0x45, 0x01])); // 加粗
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socket.write(iconv.encode(title1 + '\n', 'gbk'));
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// 步骤4：恢复格式，打印标题2（常规字体）
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socket.write(Buffer.from([0x1B, 0x21, 0x00])); // 恢复默认字号
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socket.write(Buffer.from([0x1B, 0x45, 0x00])); // 取消加粗
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socket.write(iconv.encode(title2 + '\n\n', 'gbk'));
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socket.write(Buffer.from([0x1B, 0x61, 0x00])); // 0 = left
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// ======================== 订单信息（修复显示+换行问题） ========================
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const tableLine = padLeftAlign('桌台号：', 8) + padLeftAlign(order.orderInfo.tableName || '无', 14) + '\n'
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socket.write(Buffer.from([0x1B, 0x21, 0x00])); // 正常字号
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socket.write(Buffer.from([0x1B, 0x45, 0x01])); // 加粗
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socket.write(iconv.encode(tableLine, 'gbk'));
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socket.write(Buffer.from([0x1B, 0x45, 0x00])); // 取消加粗
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let orderInfo = ''
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// 修复：打印机-用餐模式 + 就餐人数 展示逻辑
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const dineModeText = dineModeFilter(order.orderInfo.dineMode)
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// 1. 拼接打印机+用餐模式文本，空值兜底
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const printerDineText = `${order.printerName || '未知打印机'}-${dineModeText || '未知模式'}`
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// 2. 截断超长文本（左侧分配20宽度，保证不超限）
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const truncatedPrinterDine = truncateByPrintWidth(printerDineText, 20)
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// 3. 左侧左对齐填充20宽度（保证占满分配空间，不浪费空白）
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const leftPart = padLeftAlign(truncatedPrinterDine, 20)
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// 4. 右侧就餐人数：空值兜底为“无”，右对齐填充28宽度（20+28=48，刚好行宽）
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const seatNumText = order.orderInfo.seatNum || '0'
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const rightPart = padRightAlign(`${seatNumText}人`, 28) // 加标签更清晰，也可只显示数字
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orderInfo += leftPart + rightPart + '\n'
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if (!order.isBefore) {
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orderInfo += padLeftAlign('结账时间：', 10) + padLeftAlign(order.createdAt || '-', 38) + '\n'
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}
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orderInfo += createDivider(lineWidth, 'thin') + '\n'
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// ======================== 商品表格 ========================
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orderInfo += padLeftAlign('品名', 18)
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orderInfo += padLeftAlign('单价', 8)
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orderInfo += padLeftAlign('数量', 6)
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orderInfo += padRightAlign('小计', 16) + '\n'
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orderInfo += createDivider(lineWidth, 'thin') + '\n'
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order.carts.forEach(item => {
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const name = truncateByPrintWidth(item.name || '未知商品', 18)
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const price = formatAmount(item.salePrice)
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const num = item.number || 1
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const total = formatAmount(item.totalAmount)
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orderInfo += padLeftAlign(name, 18)
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orderInfo += padLeftAlign(price, 8)
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orderInfo += padLeftAlign(num, 6)
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orderInfo += padRightAlign(total, 16) + '\n'
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})
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orderInfo += createDivider(lineWidth, 'thin') + '\n'
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orderInfo += padLeftAlign('原价', 10) + padRightAlign(formatAmount(order.originAmount), 38) + '\n'
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orderInfo += padLeftAlign('优惠金额', 10) + padRightAlign(`-${formatAmount(order.discountAllAmount)}`, 38) + '\n'
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orderInfo += padLeftAlign('备注：', 6) + padLeftAlign(order.remark || '无', 38) + '\n'
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orderInfo += createDivider(lineWidth, 'thin') + '\n'
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socket.write(iconv.encode(orderInfo, 'gbk'))
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// ======================== 付款信息 ========================
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const payableLine = padLeftAlign('应付', 10) + padRightAlign(formatAmount(order.originAmount), 51) + '\n'
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socket.write(Buffer.from([0x1B, 0x21, 0x11])); // 放大字号
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socket.write(Buffer.from([0x1B, 0x45, 0x01])); // 加粗
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socket.write(iconv.encode(payableLine, 'gbk'));
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socket.write(Buffer.from([0x1B, 0x21, 0x00])); // 恢复默认字号
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socket.write(Buffer.from([0x1B, 0x45, 0x00])); // 取消加粗
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socket.write(iconv.encode(createDivider(lineWidth, 'thin') + '\n', 'gbk'));
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if (!order.isBefore) {
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const paidLine = padLeftAlign('已付', 10) + padRightAlign(formatAmount(order.orderInfo.payAmount), 51) + '\n'
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socket.write(Buffer.from([0x1B, 0x21, 0x11]));
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socket.write(Buffer.from([0x1B, 0x45, 0x01]));
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socket.write(iconv.encode(paidLine, 'gbk'));
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socket.write(Buffer.from([0x1B, 0x21, 0x00]));
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socket.write(Buffer.from([0x1B, 0x45, 0x00]));
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socket.write(iconv.encode(createDivider(lineWidth, 'thin') + '\n', 'gbk'));
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}
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// ======================== 底部 ========================
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let bottom = ''
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bottom += padLeftAlign('操作员：', 8) + padLeftAlign(order.loginAccount || '无', 38) + '\n'
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bottom += padLeftAlign('打印时间：', 10) + padLeftAlign(new Date().toLocaleString(), 38) + '\n'
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bottom += padLeftAlign('订单号：', 8) + padLeftAlign(order.orderInfo.orderNo || '-', 38) + '\n'
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bottom += createDivider(lineWidth, 'full') + '\n'
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bottom += '\n\n'
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bottom += '\n\n'
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socket.write(iconv.encode(bottom, 'gbk'))
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socket.write(Buffer.from([0x1D, 0x56, 0x00]))
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setTimeout(() => {
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socket.end()
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resolve('success')
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}, 400)
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} catch (err) {
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console.error(err)
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socket.destroy()
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resolve('error')
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}
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})
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socket.on('error', () => resolve('error'))
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socket.on('timeout', () => resolve('timeout'))
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socket.on('close', () => { })
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})
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}
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// ======================== 打印退菜单/退款小票 ========================
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export function printRefund(printerIp, order) {
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console.log(JSON.stringify(order));
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return new Promise((resolve) => {
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const socket = new net.Socket()
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const lineWidth = 48
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socket.setTimeout(8000)
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const formatAmount = (amount) => Number(amount || 0).toFixed(2)
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socket.connect(9100, printerIp, () => {
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try {
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setupPrinter(socket)
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// ======================== 标题区域（彻底修复居中问题！） ========================
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const title1 = order.shop_name || '';
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let title2 = order.title || '退款单'
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// 核心修复：先写入空行清空打印机缓冲区，避免残留字符干扰居中起始位置
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socket.write(iconv.encode('\n', 'gbk'));
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// 步骤1：重置打印机格式（避免残留格式影响）
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socket.write(Buffer.from([0x1B, 0x40]));
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// 步骤2：居中对齐标题
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socket.write(Buffer.from([0x1B, 0x61, 0x01])); // 1 = center
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// 步骤3：设置标题1的格式（加粗+大号字体）
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socket.write(Buffer.from([0x1B, 0x21, 0x11])); // 字号放大（0x11 是常用放大值）
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socket.write(Buffer.from([0x1B, 0x45, 0x01])); // 加粗
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socket.write(iconv.encode(title1 + '\n', 'gbk'));
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// 步骤4：恢复格式，打印标题2（常规字体）
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socket.write(Buffer.from([0x1B, 0x21, 0x00])); // 恢复默认字号
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socket.write(Buffer.from([0x1B, 0x45, 0x00])); // 取消加粗
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socket.write(iconv.encode(title2 + '\n\n', 'gbk'));
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socket.write(Buffer.from([0x1B, 0x61, 0x00])); // 0 = left
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// ======================== 订单信息（修复显示+换行问题） ========================
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const tableLine = padLeftAlign('桌台号：', 8) + padLeftAlign(order.orderInfo.tableName || '无', 14) + '\n'
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socket.write(Buffer.from([0x1B, 0x21, 0x00])); // 正常字号
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socket.write(Buffer.from([0x1B, 0x45, 0x01])); // 加粗
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socket.write(iconv.encode(tableLine, 'gbk'));
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socket.write(Buffer.from([0x1B, 0x45, 0x00])); // 取消加粗
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let orderInfo = ''
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// 修复：打印机-用餐模式 + 就餐人数 展示逻辑
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const dineModeText = dineModeFilter(order.orderInfo.dineMode)
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// 1. 拼接打印机+用餐模式文本，空值兜底
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const printerDineText = `${order.printerName || '未知打印机'}-${dineModeText || '未知模式'}`
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// 2. 截断超长文本（左侧分配20宽度，保证不超限）
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const truncatedPrinterDine = truncateByPrintWidth(printerDineText, 20)
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// 3. 左侧左对齐填充20宽度（保证占满分配空间，不浪费空白）
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const leftPart = padLeftAlign(truncatedPrinterDine, 20)
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// 4. 右侧就餐人数：空值兜底为“无”，右对齐填充28宽度（20+28=48，刚好行宽）
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const seatNumText = order.orderInfo.seatNum || '0'
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const rightPart = padRightAlign(`${seatNumText}人`, 28) // 加标签更清晰，也可只显示数字
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if (order.carts.length > 0) {
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orderInfo += leftPart + rightPart + '\n'
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orderInfo += createDivider(lineWidth, 'thin') + '\n'
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// ======================== 商品表格 ========================
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orderInfo += padLeftAlign('品名', 18)
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orderInfo += padLeftAlign('单价', 8)
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orderInfo += padLeftAlign('数量', 6)
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orderInfo += padRightAlign('小计', 16) + '\n'
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orderInfo += createDivider(lineWidth, 'thin') + '\n'
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order.carts.forEach(item => {
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const name = truncateByPrintWidth(item.name || '未知商品', 18)
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const price = formatAmount(item.salePrice)
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const num = item.number || 1
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const total = formatAmount(item.totalAmount)
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orderInfo += padLeftAlign(name, 18)
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orderInfo += padLeftAlign(price, 8)
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orderInfo += padLeftAlign(num, 6)
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orderInfo += padRightAlign(total, 16) + '\n'
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})
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orderInfo += createDivider(lineWidth, 'thin') + '\n'
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socket.write(iconv.encode(orderInfo, 'gbk'))
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}
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// ======================== 付款信息 ========================
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let payableLine = ''
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payableLine += padLeftAlign('退款总计', 10) + padRightAlign(formatAmount(order.amount), 51) + '\n'
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socket.write(Buffer.from([0x1B, 0x21, 0x11])); // 放大字号
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socket.write(Buffer.from([0x1B, 0x45, 0x01])); // 加粗
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socket.write(iconv.encode(payableLine, 'gbk'));
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socket.write(Buffer.from([0x1B, 0x21, 0x00])); // 恢复默认字号
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socket.write(Buffer.from([0x1B, 0x45, 0x00])); // 取消加粗
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let refundInfo = ''
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refundInfo += padLeftAlign('退款方式：', 10) + padLeftAlign(order.refundMethod || '无', 38) + '\n'
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refundInfo += padLeftAlign('退款原因：', 10) + padLeftAlign(order.remark || '无', 38) + '\n'
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socket.write(iconv.encode(refundInfo, 'gbk'));
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socket.write(iconv.encode(createDivider(lineWidth, 'thin') + '\n', 'gbk'));
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// ======================== 底部 ========================
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let bottom = ''
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bottom += padLeftAlign('操作员：', 8) + padLeftAlign(order.loginAccount || '无', 38) + '\n'
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bottom += padLeftAlign('打印时间：', 10) + padLeftAlign(new Date().toLocaleString(), 38) + '\n'
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bottom += padLeftAlign('原订单号：', 10) + padLeftAlign(order.orderInfo.orderNo || '-', 38) + '\n'
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bottom += createDivider(lineWidth, 'full') + '\n'
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bottom += '\n\n'
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bottom += '\n\n'
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socket.write(iconv.encode(bottom, 'gbk'))
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socket.write(Buffer.from([0x1D, 0x56, 0x00]))
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setTimeout(() => {
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socket.end()
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resolve('success')
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}, 400)
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} catch (err) {
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console.error(err)
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socket.destroy()
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resolve('error')
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}
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})
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socket.on('error', () => resolve('error'))
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socket.on('timeout', () => resolve('timeout'))
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socket.on('close', () => { })
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})
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}
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// ======================== 打印交班小票（完整版 · 补齐分类/商品数据） ========================
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export function printHandoverReceipt(printerIp, data) {
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return new Promise((resolve) => {
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const socket = new net.Socket()
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const lineWidth = 48
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socket.setTimeout(8000)
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const formatAmount = (v) => Number(v || 0).toFixed(2)
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socket.connect(9100, printerIp, () => {
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try {
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setupPrinter(socket)
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// ======================== 标题区域（统一结算小票的居中修复逻辑） ========================
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const title1 = data.shopName || '店铺';
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const title2 = '交班小票';
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// 核心修复：先写入空行清空打印机缓冲区，避免残留字符干扰居中起始位置
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socket.write(iconv.encode('\n', 'gbk'));
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// 步骤1：重置打印机格式（避免残留格式影响）
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socket.write(Buffer.from([0x1B, 0x40]));
|
||
// 步骤2：居中对齐标题
|
||
socket.write(Buffer.from([0x1B, 0x61, 0x01])); // 1 = center
|
||
// 步骤3：设置标题1的格式（加粗+大号字体）
|
||
socket.write(Buffer.from([0x1B, 0x21, 0x11])); // 字号放大（0x11 是常用放大值）
|
||
socket.write(Buffer.from([0x1B, 0x45, 0x01])); // 加粗
|
||
socket.write(iconv.encode(title1 + '\n', 'gbk'));
|
||
|
||
// 步骤4：恢复格式，打印标题2（常规字体）
|
||
socket.write(Buffer.from([0x1B, 0x21, 0x00])); // 恢复默认字号
|
||
socket.write(Buffer.from([0x1B, 0x45, 0x00])); // 取消加粗
|
||
socket.write(iconv.encode(title2 + '\n\n', 'gbk'));
|
||
socket.write(Buffer.from([0x1B, 0x61, 0x00])); // 0 = left
|
||
socket.write(iconv.encode(createDivider(lineWidth, 'thin') + '\n', 'gbk'));
|
||
|
||
// ======================== 基础信息区域（拆分当班/交班时间） ========================
|
||
let basicInfo = ''
|
||
// 优化：拆分当班时间和交班时间，空值兜底
|
||
basicInfo += padLeftAlign('交班时间：', 10) + padLeftAlign(data.handoverTime || '-', 36) + '\n'
|
||
basicInfo += padLeftAlign('收银员：', 8) + padLeftAlign(data.staffName || '-', 36) + '\n'
|
||
basicInfo += padLeftAlign('交班周期：', 10) + padLeftAlign(`${data.loginTime}-${data.handoverTime}` || '-', 36) + '\n\n'
|
||
|
||
// basicInfo += createDivider(lineWidth, 'thin') + '\n'
|
||
|
||
// 收入明细 - 补充会员支付/充值字段
|
||
basicInfo += padLeftAlign('当班营业总额：', 10) + padLeftAlign(formatAmount(data.handAmount), 36) + '\n'
|
||
basicInfo += padLeftAlign('实际收款的支付方式', 10) + '\n'
|
||
basicInfo += padLeftAlign('现金', 10) + padRightAlign(formatAmount(data.cashAmount), 36) + '\n'
|
||
basicInfo += padLeftAlign('微信', 10) + padRightAlign(formatAmount(data.wechatAmount), 36) + '\n'
|
||
basicInfo += padLeftAlign('支付宝', 10) + padRightAlign(formatAmount(data.alipayAmount), 36) + '\n'
|
||
basicInfo += padLeftAlign('二维码收款', 10) + padRightAlign(formatAmount(data.vipPay), 36) + '\n'
|
||
basicInfo += padLeftAlign('扫码收款', 10) + padRightAlign(formatAmount(data.vipRecharge), 36) + '\n\n'
|
||
basicInfo += padLeftAlign('非实际收款的支付方式', 10) + '\n'
|
||
basicInfo += padLeftAlign('挂账', 10) + padRightAlign(formatAmount(data.creditAmount), 36) + '\n'
|
||
basicInfo += padLeftAlign('余额', 10) + padRightAlign(formatAmount(data.vipPay), 36) + '\n'
|
||
basicInfo += createDivider(lineWidth, 'thin') + '\n'
|
||
|
||
socket.write(Buffer.from([0x1B, 0x21, 0x00])); // 正常字号
|
||
socket.write(iconv.encode(basicInfo, 'gbk'))
|
||
|
||
let refundInfo = ''
|
||
refundInfo += padLeftAlign('退款/退菜', 10) + '\n'
|
||
refundInfo += padLeftAlign('退款金额', 10) + padRightAlign(formatAmount(data.refundAmount), 36) + '\n'
|
||
refundInfo += padLeftAlign('退菜数量', 10) + padRightAlign(formatAmount(data.refundAmount), 36) + '\n'
|
||
refundInfo += createDivider(lineWidth, 'thin') + '\n'
|
||
socket.write(iconv.encode(refundInfo, 'gbk'))
|
||
|
||
let orderInfo = ''
|
||
const orderLabel = '订单（数量/订单总额）'
|
||
const orderValue = `${data.orderCount}/${formatAmount(data.orderAmount)}`
|
||
const orderLabelWidth = lineWidth - getPrintWidth(orderValue)
|
||
orderInfo += padLeftAlign(orderLabel, orderLabelWidth) + orderValue + '\n\n'
|
||
socket.write(iconv.encode(orderInfo, 'gbk'))
|
||
|
||
// ======================== 分类数据区域 ========================
|
||
let categoryInfo = ''
|
||
if (data.categoryDataList && data.categoryDataList.length) {
|
||
categoryInfo += centerAlign('销售数据', lineWidth) + '\n'
|
||
categoryInfo += createDivider(lineWidth, 'thin') + '\n'
|
||
// 分类表头
|
||
categoryInfo += padLeftAlign('名称', 24) + padLeftAlign('数量', 12) + padRightAlign('总计', 12) + '\n'
|
||
// categoryInfo += createDivider(lineWidth, 'thin') + '\n'
|
||
// 分类数据行
|
||
data.categoryDataList.forEach(item => {
|
||
const catName = truncateByPrintWidth(item.categoryName || '未知分类', 24)
|
||
const num = item.num || 0
|
||
const amount = formatAmount(item.amount)
|
||
categoryInfo += padLeftAlign(catName, 24) + padLeftAlign(num, 12) + padRightAlign(amount, 12) + '\n'
|
||
})
|
||
categoryInfo += createDivider(lineWidth, 'thin') + '\n'
|
||
}
|
||
socket.write(iconv.encode(categoryInfo, 'gbk'))
|
||
|
||
// ======================== 商品数据区域 ========================
|
||
let productInfo = ''
|
||
if (data.printShop && data.productDataList && data.productDataList.length) {
|
||
productInfo += centerAlign('商品数据', lineWidth) + '\n'
|
||
productInfo += createDivider(lineWidth, 'thin') + '\n'
|
||
// 商品表头
|
||
productInfo += padLeftAlign('商品', 36) + padRightAlign('数量', 12) + '\n'
|
||
// productInfo += createDivider(lineWidth, 'thin') + '\n'
|
||
// 商品数据行
|
||
data.productDataList.forEach(item => {
|
||
const prodName = truncateByPrintWidth(item.productName || '未知商品', 36)
|
||
const num = item.num || 0
|
||
productInfo += padLeftAlign(prodName, 36) + padRightAlign(num, 12) + '\n'
|
||
})
|
||
productInfo += createDivider(lineWidth, 'thin') + '\n'
|
||
}
|
||
socket.write(iconv.encode(productInfo, 'gbk'))
|
||
|
||
// ======================== 收入明细区域（优化对齐和格式） ========================
|
||
// let incomeInfo = ''
|
||
// incomeInfo += centerAlign('【收支汇总】', lineWidth) + '\n'
|
||
// incomeInfo += createDivider(lineWidth, 'thin') + '\n'
|
||
|
||
// // 收支汇总项（补充挂账金额）
|
||
// const incomeItems = [
|
||
// { label: '快捷收款金额：', val: data.quickInAmount },
|
||
// { label: '退款金额：', val: data.refundAmount },
|
||
// { label: '总收入：', val: data.handAmount },
|
||
// { label: '挂账金额：', val: data.creditAmount },
|
||
// { label: '总订单数：', val: data.orderCount || 0 }
|
||
// ]
|
||
|
||
// incomeItems.forEach((item, index) => {
|
||
// const labelPart = padLeftAlign(item.label, 16)
|
||
// let valPart = ''
|
||
// // 总收入/总订单数加粗显示
|
||
// if (index === 2 || index === 4) {
|
||
// socket.write(Buffer.from([0x1B, 0x45, 0x01])); // 加粗
|
||
// valPart = padRightAlign(index === 4 ? item.val : formatAmount(item.val), 32)
|
||
// incomeInfo += labelPart + valPart + '\n'
|
||
// socket.write(Buffer.from([0x1B, 0x45, 0x00])); // 取消加粗
|
||
// } else {
|
||
// valPart = padRightAlign(formatAmount(item.val), 32)
|
||
// incomeInfo += labelPart + valPart + '\n'
|
||
// }
|
||
// })
|
||
|
||
// incomeInfo += createDivider(lineWidth, 'full') + '\n'
|
||
// socket.write(iconv.encode(incomeInfo, 'gbk'))
|
||
|
||
// ======================== 底部区域（统一结算小票风格） ========================
|
||
let bottomInfo = ''
|
||
bottomInfo += padLeftAlign('打印时间：', 12) + padRightAlign(data.printTime || new Date().toLocaleString(), 36) + '\n'
|
||
bottomInfo += createDivider(lineWidth, 'full') + '\n'
|
||
// 增加空行，避免打印内容紧贴纸边
|
||
bottomInfo += '\n\n'
|
||
bottomInfo += '\n\n'
|
||
|
||
socket.write(iconv.encode(bottomInfo, 'gbk'))
|
||
// 切纸指令（统一结算小票的切纸逻辑）
|
||
socket.write(Buffer.from([0x1D, 0x56, 0x00]))
|
||
|
||
// 统一延迟关闭连接，保证数据完整发送
|
||
setTimeout(() => {
|
||
socket.end()
|
||
resolve('success')
|
||
}, 400)
|
||
} catch (err) {
|
||
console.error('打印交班小票异常：', err)
|
||
socket.destroy()
|
||
resolve('error')
|
||
}
|
||
})
|
||
|
||
// 统一错误处理（对齐结算小票的错误处理逻辑）
|
||
socket.on('error', (err) => {
|
||
console.error('打印机连接错误：', err)
|
||
resolve('error')
|
||
})
|
||
socket.on('timeout', () => resolve('timeout'))
|
||
socket.on('close', () => { })
|
||
})
|
||
} |