<template>
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<div>
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<vol-box
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v-model="showDetialBox"
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:lazy="true"
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width="300px"
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:padding="15"
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title="打印"
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>
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<div
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id="printContent"
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style="display: flex; justify-content: center; align-items: center"
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>
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<div
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style="display: flex; justify-content: center; align-items: center"
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>
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<!-- 使用 SVG 来显示条形码 -->
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<svg id="barcode" ref="barcode"></svg>
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</div>
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</div>
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<div id="palletcode">
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<span
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style="display: flex; justify-content: center; align-items: center"
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>{{ palletCode }}</span
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>
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</div>
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<template #footer>
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<el-button type="primary" size="small" @click="print()">打印</el-button>
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<el-button type="danger" size="small" @click="showDetialBox = false"
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>关闭</el-button
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>
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</template>
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</vol-box>
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</div>
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</template>
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<script>
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import VolBox from "@/components/basic/VolBox.vue";
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import JsBarcode from "jsbarcode";
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export default {
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components: { VolBox },
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data() {
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return {
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showDetialBox: false,
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row: null,
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palletCode: "",
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};
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},
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methods: {
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open(row) {
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this.row = row;
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this.showDetialBox = true;
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if (row && row.palletCode) {
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this.palletCode = row.palletCode;
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// 下次 DOM 更新后生成条形码
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this.$nextTick(() => {
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this.generateBarcode();
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});
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}
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},
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// 生成条形码
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generateBarcode() {
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if (this.palletCode && this.$refs.barcode) {
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try {
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JsBarcode(this.$refs.barcode, this.palletCode, {
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format: "CODE128", // 条形码格式
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width: 4, // 条宽度
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height: 100, // 条高度
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displayValue: true, // 是否显示数值
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text: this.palletCode, // 显示的文本
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fontOptions: "bold", // 字体样式
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fontSize: 16, // 字体大小
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background: "#ffffff", // 背景色
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lineColor: "#000000", // 线条颜色
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margin: 10 // 边距
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});
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} catch (error) {
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console.error("生成条形码失败:", error);
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}
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}
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},
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print() {
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let printContent = document.getElementById("printContent");
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var printWindow = window.open("", "_blank");
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// 精确计算内容高度，避免多余空白
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printWindow.document.write(`
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<!DOCTYPE html>
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<html>
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<head>
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<title>打印条形码</title>
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<style>
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@page {
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size: auto; /* 自动大小 */
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margin: 5mm; /* 最小边距 */
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}
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@media print {
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body {
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margin: 0;
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padding: 0;
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height: 50mm; /* 精确控制高度 */
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display: flex;
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flex-direction: column;
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align-items: center;
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justify-content: center;
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}
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.print-container {
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width: 100%;
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height: 45mm; /* 略小于页面高度 */
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display: flex;
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flex-direction: column;
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align-items: center;
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justify-content: center;
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}
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#barcode {
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max-height: 30mm;
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width: auto;
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}
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#palletcode {
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display: none;
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}
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}
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</style>
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</head>
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<body>
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<div class="print-container">
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${printContent.innerHTML}
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</div>
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<script>
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// 阻止默认的打印后行为
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window.onafterprint = function() {
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window.close();
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};
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<\/script>
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</body>
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</html>
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`);
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printWindow.document.close();
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printWindow.onload = function() {
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printWindow.focus();
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printWindow.print();
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};
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this.updatePrintStatus();
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}
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},
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watch: {
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// 监听 palletCode 变化，重新生成条形码
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palletCode(newVal) {
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if (newVal) {
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this.$nextTick(() => {
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this.generateBarcode();
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});
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}
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}
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}
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};
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</script>
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<style scoped>
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.el-col {
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border-radius: 4px;
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}
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.grid-content {
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border-radius: 4px;
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min-height: 36px;
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}
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.content-text {
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display: flex;
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align-items: center;
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justify-content: center;
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}
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.right-text {
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display: flex;
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align-items: center;
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justify-content: flex-end;
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}
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</style>
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<style>
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.el-table .warning-row {
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background: #e6a23c;
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}
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.el-table .success-row {
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background: #f0f9eb;
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}
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.el-table .error-row {
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background: #f56c6c;
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}
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#barcode {
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display: block;
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margin: auto;
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}
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</style>
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