434 lines
20 KiB
Vue
434 lines
20 KiB
Vue
<template>
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<el-dialog title="导出预览" :visible.sync="dialogVisible" width="95%" top="20px" append-to-body
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:close-on-click-modal="false" @open="generatePreviewHtml">
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<div style="display: flex; gap: 16px; height: calc(100vh - 200px);">
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<div style="width: 200px; flex-shrink: 0; border: 1px solid #e4e7ed; border-radius: 4px; padding: 12px; overflow-y: auto;">
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<div style="font-weight: bold; margin-bottom: 10px; font-size: 14px;">产品表列配置</div>
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<el-checkbox v-model="selectAllColumns" :indeterminate="columnIndeterminate" @change="handleSelectAllColumns"
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style="margin-bottom: 8px;">全选</el-checkbox>
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<div v-for="col in columnConfigs" :key="col.key" style="margin-bottom: 6px;">
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<el-checkbox v-model="col.checked" @change="onColumnChange">{{ col.label }}</el-checkbox>
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</div>
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<el-divider />
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<div style="font-weight: bold; margin-bottom: 10px; font-size: 14px;">附加行配置</div>
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<el-checkbox v-model="selectAllRows" :indeterminate="rowIndeterminate" @change="handleSelectAllRows"
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style="margin-bottom: 8px;">全选</el-checkbox>
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<div v-for="rowCfg in rowConfigs" :key="rowCfg.key" style="margin-bottom: 6px;">
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<el-checkbox v-model="rowCfg.checked" @change="onRowChange">{{ rowCfg.label }}</el-checkbox>
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</div>
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</div>
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<div style="flex: 1; border: 1px solid #e4e7ed; border-radius: 4px; overflow: hidden; background: #f0f0f0;">
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<iframe ref="previewFrame" style="width: 100%; height: 100%; border: none; background: #fff;"></iframe>
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</div>
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</div>
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<span slot="footer">
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<el-button @click="handleCancel">取 消</el-button>
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<el-button type="primary" :loading="exporting" @click="confirmExport">确认导出</el-button>
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</span>
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</el-dialog>
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</template>
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<script>
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import contractLogo from '@/assets/images/contractLogo.png';
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import {
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parseProductContent,
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convertToChinese
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} from '@/utils/productContent';
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import html2canvas from 'html2canvas';
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import { jsPDF } from 'jspdf';
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const CHINESE_HEADING_REGEX = /^[零一二三四五六七八九十百千]+、/;
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export default {
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name: "ContractExportDialog",
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props: {
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visible: {
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type: Boolean,
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default: false
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},
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row: {
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type: Object,
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default: null
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}
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},
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data() {
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return {
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exporting: false,
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selectAllColumns: true,
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columnIndeterminate: false,
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columnConfigs: [
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{ key: 'spec', label: '规格（mm）', checked: true },
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{ key: 'material', label: '材质', checked: true },
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{ key: 'quantity', label: '数量（吨）', checked: true },
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{ key: 'taxPrice', label: '含税单价（元/吨）', checked: true },
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{ key: 'taxDivisor', label: '税率除数', checked: true },
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{ key: 'noTaxPrice', label: '无税单价（元/吨）', checked: true },
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{ key: 'taxTotal', label: '含税总额（元）', checked: true },
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{ key: 'noTaxTotal', label: '无税总额（元）', checked: true },
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{ key: 'taxAmount', label: '税额（元）', checked: true },
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{ key: 'remark', label: '备注', checked: true },
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],
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selectAllRows: true,
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rowIndeterminate: false,
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rowConfigs: [
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{ key: 'totalRow', label: '合计行', checked: true },
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{ key: 'amountWordsRow', label: '大写金额行', checked: true },
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{ key: 'remarkRow', label: '备注行', checked: true },
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],
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};
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},
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computed: {
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dialogVisible: {
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get() {
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return this.visible;
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},
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set(val) {
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this.$emit('update:visible', val);
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}
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}
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},
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methods: {
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handleCancel() {
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this.$emit('update:visible', false);
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},
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handleSelectAllColumns(val) {
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this.columnConfigs.forEach(col => { col.checked = val; });
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this.columnIndeterminate = false;
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this.generatePreviewHtml();
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},
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onColumnChange() {
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const checkedCount = this.columnConfigs.filter(c => c.checked).length;
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this.selectAllColumns = checkedCount === this.columnConfigs.length;
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this.columnIndeterminate = checkedCount > 0 && checkedCount < this.columnConfigs.length;
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this.generatePreviewHtml();
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},
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handleSelectAllRows(val) {
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this.rowConfigs.forEach(row => { row.checked = val; });
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this.rowIndeterminate = false;
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this.generatePreviewHtml();
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},
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onRowChange() {
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const checkedCount = this.rowConfigs.filter(r => r.checked).length;
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this.selectAllRows = checkedCount === this.rowConfigs.length;
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this.rowIndeterminate = checkedCount > 0 && checkedCount < this.rowConfigs.length;
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this.generatePreviewHtml();
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},
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buildProductTableHtml(productData, products) {
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const activeCols = this.columnConfigs.filter(c => c.checked);
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const activeRows = this.rowConfigs.filter(r => r.checked);
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const hasCol = (key) => activeCols.some(c => c.key === key);
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const hasRow = (key) => activeRows.some(r => r.key === key);
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let headerCells = '<th style="border:1px solid #000;padding:4px 4px;font-weight:bold;width:30px;">序号</th>';
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if (hasCol('spec')) headerCells += '<th style="border:1px solid #000;padding:4px 4px;font-weight:bold;width:80px;">规格(mm)</th>';
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if (hasCol('material')) headerCells += '<th style="border:1px solid #000;padding:4px 4px;font-weight:bold;width:60px;">材质</th>';
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if (hasCol('quantity')) headerCells += '<th style="border:1px solid #000;padding:4px 4px;font-weight:bold;width:55px;">数量(吨)</th>';
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if (hasCol('taxPrice')) headerCells += '<th style="border:1px solid #000;padding:4px 4px;font-weight:bold;width:70px;">含税单价(元/吨)</th>';
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if (hasCol('taxDivisor')) headerCells += '<th style="border:1px solid #000;padding:4px 4px;font-weight:bold;width:45px;">税率除数</th>';
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if (hasCol('noTaxPrice')) headerCells += '<th style="border:1px solid #000;padding:4px 4px;font-weight:bold;width:70px;">无税单价(元/吨)</th>';
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if (hasCol('taxTotal')) headerCells += '<th style="border:1px solid #000;padding:4px 4px;font-weight:bold;width:70px;">含税总额(元)</th>';
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if (hasCol('noTaxTotal')) headerCells += '<th style="border:1px solid #000;padding:4px 4px;font-weight:bold;width:70px;">无税总额(元)</th>';
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if (hasCol('taxAmount')) headerCells += '<th style="border:1px solid #000;padding:4px 4px;font-weight:bold;width:55px;">税额(元)</th>';
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if (hasCol('remark')) headerCells += '<th style="border:1px solid #000;padding:4px 4px;font-weight:bold;width:80px;">备注</th>';
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const colCount = activeCols.length + 1;
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let bodyRows = '';
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products.forEach((product, index) => {
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let cells = `<td style="border:1px solid #000;padding:3px 4px;text-align:center;">${index + 1}</td>`;
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if (hasCol('spec')) cells += `<td style="border:1px solid #000;padding:3px 4px;text-align:center;">${product.spec || ''}</td>`;
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if (hasCol('material')) cells += `<td style="border:1px solid #000;padding:3px 4px;text-align:center;">${product.material || ''}</td>`;
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if (hasCol('quantity')) cells += `<td style="border:1px solid #000;padding:3px 4px;text-align:center;">${product.quantity || ''}</td>`;
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if (hasCol('taxPrice')) cells += `<td style="border:1px solid #000;padding:3px 4px;text-align:center;">${product.taxPrice || ''}</td>`;
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if (hasCol('taxDivisor')) cells += `<td style="border:1px solid #000;padding:3px 4px;text-align:center;">${product.taxDivisor || '1.13'}</td>`;
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if (hasCol('noTaxPrice')) cells += `<td style="border:1px solid #000;padding:3px 4px;text-align:center;">${(product.noTaxPrice || 0).toFixed(3)}</td>`;
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if (hasCol('taxTotal')) cells += `<td style="border:1px solid #000;padding:3px 4px;text-align:center;">${(product.taxTotal || 0).toFixed(3)}</td>`;
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if (hasCol('noTaxTotal')) cells += `<td style="border:1px solid #000;padding:3px 4px;text-align:center;">${(product.noTaxTotal || 0).toFixed(3)}</td>`;
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if (hasCol('taxAmount')) cells += `<td style="border:1px solid #000;padding:3px 4px;text-align:center;">${(product.taxAmount || 0).toFixed(3)}</td>`;
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if (hasCol('remark')) cells += `<td style="border:1px solid #000;padding:3px 4px;text-align:center;max-width:100px;word-wrap:break-word;">${product.remark || ''}</td>`;
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bodyRows += `<tr>${cells}</tr>`;
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});
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const totalQty = products.reduce((a, p) => a + (parseFloat(p.quantity) || 0), 0);
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const totalTax = products.reduce((a, p) => a + (parseFloat(p.taxTotal) || 0), 0);
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const totalNoTax = products.reduce((a, p) => a + (parseFloat(p.noTaxTotal) || 0), 0);
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const totalTaxAmt = products.reduce((a, p) => a + (parseFloat(p.taxAmount) || 0), 0);
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const totalAmountInWords = productData.totalAmountInWords || convertToChinese(totalTax) || '零元整';
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let totalCells = '';
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let cellIdx = 0;
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activeCols.forEach((col) => {
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if (cellIdx < 2) {
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if (cellIdx === 0) {
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totalCells += `<td colspan="3" style="border:1px solid #000;padding:4px 4px;font-weight:bold;text-align:center;">合 计</td>`;
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}
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} else {
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let val = '';
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if (col.key === 'quantity') val = totalQty.toFixed(3);
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else if (col.key === 'taxTotal') val = totalTax.toFixed(3);
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else if (col.key === 'noTaxTotal') val = totalNoTax.toFixed(3);
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else if (col.key === 'taxAmount') val = totalTaxAmt.toFixed(3);
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totalCells += `<td style="border:1px solid #000;padding:3px 4px;text-align:center;">${val}</td>`;
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}
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cellIdx++;
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});
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const html = `
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<table style="width:100%;border-collapse:collapse;font-size:11px;margin-bottom:6px;">
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<tr>
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<td colspan="4" style="border:1px solid #000;padding:3px 6px;font-weight:bold;text-align:left;">产品名称：${productData.productName || ''}</td>
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<td colspan="${colCount - 4 > 0 ? colCount - 4 : 1}" style="border:1px solid #000;padding:3px 6px;font-weight:bold;text-align:left;">生产厂家：嘉祥科伦普重工有限公司</td>
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</tr>
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<tr>${headerCells}</tr>
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${bodyRows}
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${hasRow('totalRow') ? `<tr>${totalCells}</tr>` : ''}
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${hasRow('amountWordsRow') ? `<tr><td colspan="${colCount}" style="border:1px solid #000;padding:4px 6px;font-weight:bold;text-align:left;">合计人民币（大写）：${totalAmountInWords}</td></tr>` : ''}
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${hasRow('remarkRow') && productData.remark ? `<tr><td colspan="${colCount}" style="border:1px solid #000;padding:4px 6px;text-align:left;">备注：${productData.remark}</td></tr>` : ''}
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</table>`;
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return html;
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},
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buildContractContentHtml(htmlContent) {
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if (!htmlContent) return '';
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const pTagRegex = /<p[^>]*>([\s\S]*?)<\/p>/g;
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let match;
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// Parse into clauses: each heading (Chinese number + 、) starts a new clause
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const clauses = [];
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let currentClause = null;
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while ((match = pTagRegex.exec(htmlContent)) !== null) {
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let content = match[1].replace(/<[^>]*>/g, '').replace(/ /g, ' ').replace(/</g, '<').replace(/>/g, '>').replace(/&/g, '&').replace(/"/g, '"').replace(/'/g, "'").trim();
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if (!content) continue;
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const isHeading = CHINESE_HEADING_REGEX.test(content);
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if (isHeading) {
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if (currentClause) clauses.push(currentClause);
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currentClause = { heading: content, bodies: [] };
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} else if (currentClause) {
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currentClause.bodies.push(content);
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} else {
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// Content before any heading: create a headless clause
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clauses.push({ heading: null, bodies: [content] });
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}
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}
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if (currentClause) clauses.push(currentClause);
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if (clauses.length === 0) {
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// Fallback: plain text content without <p> tags
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const textContent = htmlContent.replace(/<[^>]*>/g, '').replace(/ /g, ' ').trim();
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if (textContent) {
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clauses.push({ heading: null, bodies: [textContent] });
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}
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}
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if (clauses.length === 0) return '';
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let html = '<div style="margin-top:8px;font-size:12px;line-height:1.8;">';
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clauses.forEach(clause => {
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html += '<div data-clause style="page-break-inside:avoid;padding-top:2px;">';
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if (clause.heading) {
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html += `<div>${clause.heading}</div>`;
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}
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clause.bodies.forEach(body => {
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html += `<div> ${body}</div>`;
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});
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html += '</div>';
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});
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html += '</div>';
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return html;
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},
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generatePreviewHtml() {
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const row = this.row;
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if (!row) return;
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let productData = parseProductContent(row.productContent);
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if (!productData.productName && row.productName) {
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productData.productName = row.productName;
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}
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const products = productData.products && productData.products.length > 0 ? productData.products : [];
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const productTableHtml = this.buildProductTableHtml(productData, products);
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const contractContentHtml = this.buildContractContentHtml(row.contractContent);
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const totalTax = products.reduce((a, p) => a + (parseFloat(p.taxTotal) || 0), 0);
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const amountWords = productData.totalAmountInWords || convertToChinese(totalTax) || '零元整';
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const fullHtml = `
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<!DOCTYPE html>
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<html>
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<head><meta charset="utf-8"><title>合同预览</title>
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<style>
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* { margin: 0; padding: 0; box-sizing: border-box; }
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body { font-family: 'SimSun','宋体',serif; color: #000; background: #e8e8e8; font-size: 12px; line-height: 1.6; display: flex; flex-direction: column; align-items: center; padding: 20px 0; }
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.a4-page { width: 794px; min-height: 1123px; padding: 30px 40px; background: #fff; margin-bottom: 20px; box-shadow: 0 2px 12px rgba(0,0,0,0.15); }
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.company-header { display: flex; align-items: flex-start; justify-content: space-between; margin-bottom: 6px; }
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.contract-title { text-align: center; font-size: 20px; font-weight: bold; letter-spacing: 6px; margin-bottom: 14px; }
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.info-row { display: flex; justify-content: space-between; margin-bottom: 4px; font-size: 13px; line-height: 2; }
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.section-title { font-size: 13px; font-weight: bold; margin-bottom: 4px; margin-top: 8px; }
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table { width: 100%; border-collapse: collapse; }
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th, td { border: 1px solid #000; padding: 3px 4px; text-align: center; font-size: 11px; }
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th { font-weight: bold; }
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.sign-section { margin-top: 24px; font-size: 12px; line-height: 2.2; }
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.sign-section .col { width: 48%; }
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.sign-row { display: flex; justify-content: space-between; }
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</style>
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</head>
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<body>
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<div class="a4-page" style="position:relative;">
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<img src="${contractLogo}" style="position:absolute;left:40px;top:40px;height:80px;" crossorigin="anonymous" />
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<div style="text-align:center;padding-top:10px;">
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<div style="font-size:20px;font-weight:bold;letter-spacing:2px;">嘉祥科伦普重工有限公司</div>
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</div>
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<div style="position:relative;margin:12px 0 8px 0;text-align:center;">
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<div style="font-size:22px;font-weight:bold;letter-spacing:6px;">产 品 销 售 合 同</div>
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<div style="position:absolute;right:0;top:50%;transform:translateY(-50%);font-size:11px;">合同编号：${row.contractCode || ''}</div>
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</div>
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<div class="info-row">
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<div style="width:55%;">
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<div>供方（甲方）：${row.supplier || ''}</div>
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<div>需方（乙方）：${row.customer || ''}</div>
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</div>
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<div style="width:40%;">
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<div>签订时间：${row.signTime ? this.parseTime(row.signTime, '{y}年{m}月{d}日') : ''}</div>
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<div>签订地点：${row.signLocation || ''}</div>
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</div>
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</div>
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<div class="section-title">一、产品内容</div>
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${productTableHtml}
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${contractContentHtml}
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<div class="sign-section" data-clause style="page-break-inside:avoid;">
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<div class="sign-row">
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<div class="col">
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<div>供方（甲方）：${row.supplier || ''}</div>
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<div>地址：${row.supplierAddress || ''}</div>
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<div>电话：${row.supplierPhone || ''}</div>
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<div>开户行：${row.supplierBank || ''}</div>
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<div>账号：${row.supplierAccount || ''}</div>
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<div>税号：${row.supplierTaxNo || ''}</div>
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</div>
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<div class="col">
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<div>需方（乙方）：${row.customer || ''}</div>
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<div>地址：${row.customerAddress || ''}</div>
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<div>电话：${row.customerPhone || ''}</div>
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<div>开户行：${row.customerBank || ''}</div>
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<div>账号：${row.customerAccount || ''}</div>
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<div>税号：${row.customerTaxNo || ''}</div>
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</div>
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</div>
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</div>
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</div>
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</body>
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</html>`;
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this.$nextTick(() => {
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const iframe = this.$refs.previewFrame;
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if (iframe) {
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iframe.srcdoc = fullHtml;
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}
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});
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},
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getClauseCanvasPositions(iframeDoc, a4Page, canvasWidth) {
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const clauseEls = iframeDoc.querySelectorAll('[data-clause]');
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const a4Rect = a4Page.getBoundingClientRect();
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const scale = canvasWidth / a4Page.offsetWidth;
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const positions = [];
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clauseEls.forEach(el => {
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const rect = el.getBoundingClientRect();
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positions.push({
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top: (rect.top - a4Rect.top) * scale,
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bottom: (rect.bottom - a4Rect.top) * scale
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});
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});
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positions.sort((a, b) => a.top - b.top);
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return positions;
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},
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async confirmExport() {
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const iframe = this.$refs.previewFrame;
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if (!iframe || !iframe.contentWindow) return;
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const iframeDoc = iframe.contentDocument;
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const a4Page = iframeDoc.querySelector('.a4-page');
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if (!a4Page) return;
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this.exporting = true;
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try {
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const canvas = await html2canvas(a4Page, {
|
||
scale: 2,
|
||
useCORS: true,
|
||
backgroundColor: '#ffffff',
|
||
logging: false
|
||
});
|
||
|
||
const clausePositions = this.getClauseCanvasPositions(iframeDoc, a4Page, canvas.width);
|
||
|
||
const pdf = new jsPDF({ orientation: 'portrait', unit: 'mm', format: 'a4' });
|
||
const pW = pdf.internal.pageSize.getWidth();
|
||
const pH = pdf.internal.pageSize.getHeight();
|
||
const mg = 10;
|
||
const printW = pW - mg * 2;
|
||
const printH = pH - mg * 2;
|
||
const ratio = canvas.width / printW;
|
||
const pageCanvasHeight = printH * ratio;
|
||
|
||
let currentY = 0;
|
||
const pages = [];
|
||
|
||
while (currentY < canvas.height) {
|
||
let pageBottom = currentY + pageCanvasHeight;
|
||
|
||
if (pageBottom >= canvas.height) {
|
||
pageBottom = canvas.height;
|
||
} else {
|
||
for (const clause of clausePositions) {
|
||
// If a clause starts before the page break and ends after it,
|
||
// and the clause fits on a single page, move the break before this clause
|
||
if (clause.top < pageBottom && clause.bottom > pageBottom) {
|
||
if (clause.bottom - clause.top <= pageCanvasHeight) {
|
||
pageBottom = clause.top;
|
||
}
|
||
break;
|
||
}
|
||
}
|
||
}
|
||
|
||
if (pageBottom <= currentY) {
|
||
pageBottom = currentY + pageCanvasHeight;
|
||
}
|
||
|
||
pages.push({ top: currentY, bottom: pageBottom });
|
||
currentY = pageBottom;
|
||
}
|
||
|
||
for (let i = 0; i < pages.length; i++) {
|
||
const { top, bottom } = pages[i];
|
||
const sliceH = bottom - top;
|
||
const sliceMm = sliceH / ratio;
|
||
|
||
const sc = document.createElement('canvas');
|
||
sc.width = canvas.width;
|
||
sc.height = Math.ceil(sliceH);
|
||
sc.getContext('2d').drawImage(canvas, 0, top, canvas.width, sliceH, 0, 0, canvas.width, sliceH);
|
||
|
||
pdf.addImage(sc.toDataURL('image/jpeg', 0.95), 'JPEG', mg, mg, printW, sliceMm);
|
||
|
||
if (i < pages.length - 1) {
|
||
pdf.addPage();
|
||
}
|
||
}
|
||
|
||
const filename = '合同_' + (this.row.contractCode || 'export') + '_' + new Date().getTime() + '.pdf';
|
||
pdf.save(filename);
|
||
this.$emit('update:visible', false);
|
||
} catch (e) {
|
||
this.$message.error('PDF导出失败：' + e.message);
|
||
console.error(e);
|
||
} finally {
|
||
this.exporting = false;
|
||
}
|
||
},
|
||
}
|
||
};
|
||
</script>
|