klp-oa/klp-ui/src/views/wms/delivery/components/wayBill.vue

<!-- 发货单组件 -->
<template>
  <div>
    <div class="waybill-container" ref="waybillRef">
      <div class="waybill-content">
      <!-- 头部信息 -->
      <!-- 标题信息 -->
      <div class="title">科伦普发货单</div>
      <div class="waybill-header">
        <div class="header-left">
          <span class="label">收货单位：</span>
          <div class="editable-input transparent-input" contenteditable>{{ localWaybill.consigneeUnit }}</div>
        </div>
        <div class="header-center">
          <div class="editable-input date-input transparent-input" contenteditable>{{ localWaybill.deliveryYear }}</div>
          <span class="label date-label">年</span>
          <div class="editable-input date-input transparent-input" contenteditable>{{ localWaybill.deliveryMonth }}</div>
          <span class="label date-label">月</span>
          <div class="editable-input date-input transparent-input" contenteditable>{{ localWaybill.deliveryDay }}</div>
          <span class="label date-label">日</span>
        </div>
        <div class="header-right">
          <span class="label">发货单位：</span>
          <div class="editable-input transparent-input" contenteditable>{{ localWaybill.senderUnit }}</div>
        </div>
      </div>

      <div class="waybill-header">
        <div class="header-left">
          <span class="label">负责人：</span>
          <div class="editable-input transparent-input" contenteditable>{{ localWaybill.principal }}</div>
        </div>
        <div class="header-right">
          <span class="label">电话：</span>
          <div class="editable-input transparent-input" contenteditable>{{ localWaybill.principalPhone }}</div>
        </div>
        <div class="header-center">
          <span class="label">车牌：</span>
          <div class="editable-input transparent-input" contenteditable>{{ localWaybill.licensePlate }}</div>
        </div>
      </div>

      <!-- 表格 -->
      <table class="waybill-table">
        <thead>
          <tr>
            <th>品名</th>
            <th>切边</th>
            <th>包装</th>
            <th>仓库位置</th>
            <th>结算</th>
            <th>原料厂家</th>
            <th>卷号</th>
            <th>规格</th>
            <th>材质</th>
            <!-- <th>数量（件）</th> -->
            <th>重量（T）</th>
            <!-- <th>单价</th> -->

          </tr>
        </thead>
        <tbody>
          <!-- 无明细提示 -->
          <tr v-if="localWaybillDetails.length === 0">
            <td colspan="12" class="no-data">
              <div class="no-data-content">
                <el-empty description="暂无发货单明细" />
              </div>
            </td>
          </tr>
          <!-- 明细数据 -->
          <tr v-for="(item, index) in displayWaybillDetails" :key="index">
            <td><div class="table-input transparent-input" contenteditable>{{ item.productName }}</div></td>
            <td><div class="table-input transparent-input" contenteditable>{{ item.edgeType }}</div></td>
            <td><div class="table-input transparent-input" contenteditable>{{ item.packageType }}</div></td>
            <td><div class="table-input transparent-input" contenteditable>{{ item.actualWarehouseName }}</div></td>
            <td><div class="table-input transparent-input" contenteditable>{{ item.settlementType }}</div></td>
            <td><div class="table-input transparent-input" contenteditable>{{ item.rawMaterialFactory }}</div></td>
            <td><div class="table-input transparent-input" contenteditable>{{ item.coilNumber }}</div></td>
            <td><div class="table-input transparent-input" contenteditable>{{ item.specification }}</div></td>
            <td><div class="table-input transparent-input" contenteditable>{{ item.material }}</div></td>
            <!-- <td><input type="number" class="table-input transparent-input" v-model.number="item.quantity"
                placeholder="0" /></td> -->
            <td><input type="number" class="table-input transparent-input" v-model.number="item.weight"
                placeholder="0.00" /></td>
            <!-- <td><input type="text" class="table-input transparent-input" v-model="item.unitPrice" /></td> -->
          </tr>
          <!-- 加粗最后一行的线 -->
          <tr style="height: 0;">
            <td style="height: 0;"></td>
            <td style="height: 0;"></td>
            <td style="height: 0;"></td>
            <td style="height: 0;"></td>
            <td style="height: 0;"></td>
            <td style="height: 0;"></td>
            <td style="height: 0;"></td>
            <td style="height: 0;"></td>
            <td style="height: 0;"></td>
            <!-- <td><input type="number" class="table-input transparent-input" v-model.number="item.quantity"
                placeholder="0" /></td> -->
            <td style="height: 0;"></td>
          </tr>
        </tbody>
      </table>



      <!-- 备注说明 -->
      <div class="waybill-remarks">
        <p>
          1、品名：冷硬钢卷（酸连轧）、冷轧钢卷（脱脂退火火拉矫）、镀锌卷板，镀锌管料（镀锌分剪料）；2、切边：净边/毛边；3、包装：裸包：周三径四；简包1：周三径四内外护角；简包2：周三径四+防锈纸；普包：周三径四+内外护角+防锈纸+端护板；精包1：周三径四+内外护角+防锈纸+薄膜+端护板+内外护板；精包2：周三径四+内外护角+防锈纸+薄膜+端护板+内外护板+木托。
        </p>
      </div>

      <div class="waybill-pickup-location">
        <!-- <div class="pickup-location-item inline"> -->
        <span style="font-size: 18px; font-weight: bold;">取货地点：</span>
        <input type="text" class="editable-input full-input transparent-input" v-model="localWaybill.pickupLocation" />
        <!-- </div> -->
      </div>

      <!-- 签名栏 -->
      <div class="waybill-footer">
        <div class="footer-item inline">
          <span class="label">销售：</span>
          <div class="editable-input signature-input transparent-input" contenteditable>{{ localWaybill.salesman }}</div>
        </div>
        <div class="footer-item inline">
          <span class="label">发货：</span>
          <div class="editable-input signature-input transparent-input" contenteditable>{{ localWaybill.deliveryman }}</div>
        </div>
        <div class="footer-item inline">
          <span class="label">司机：</span>
          <div class="editable-input signature-input transparent-input" contenteditable>{{ localWaybill.driver }}</div>
        </div>
        <div class="footer-item inline">
          <span class="label">磅房：</span>
          <div class="editable-input signature-input transparent-input" contenteditable>{{ localWaybill.weightRoom }}</div>
        </div>
      </div>
      </div>
    </div>
    <!-- 操作按钮 -->
    <div class="waybill-actions">
      <div class="waybill-pagebar">
        <el-button size="mini" @click="changePage(currentPage - 1)" :disabled="currentPage <= 1">上一页</el-button>
        <span class="page-info">第 {{ currentPage }} / {{ totalPages }} 页</span>
        <el-button size="mini" @click="changePage(currentPage + 1)" :disabled="currentPage >= totalPages">下一页</el-button>
      </div>
      <el-button type="primary" @click="saveAsImage">保存为图片</el-button>
      <el-button type="success" @click="printWaybill">打印</el-button>
    </div>
  </div>
</template>

<script>
import domtoimage from 'dom-to-image';
import { PDFDocument } from 'pdf-lib';
import html2canvas from 'html2canvas';

export default {
  props: {
    // 组件接收完整的发货单内容, 渲染发货单,这个面板内包括一个保存为图片(已经安装了dom-to-image)和一个打印按钮(已经安装了print-js)
    waybill: {
      type: Object,
      default: () => { }
    },
    waybillDetails: {
      type: Array,
      default: () => []
    }
  },
  data() {
    return {
      currentPage: 1,
      perPage: 7,
      totalPages: 1,
      // 本地可编辑的发货单数据
      localWaybill: {
        consigneeUnit: '',
        senderUnit: '',
        deliveryYear: '',
        deliveryMonth: '',
        deliveryDay: '',
        principal: '',
        principalPhone: '',
        licensePlate: '',
        pickupLocation: ''
      },
      // 本地可编辑的发货单明细
      localWaybillDetails: [],
      // 预览/打印用明细（每页固定7行，不足补空行）
      displayWaybillDetails: []
    };
  },
  watch: {
    // 监听props变化，更新本地数据
    waybill: {
      handler(newVal) {
        if (newVal) {
          this.localWaybill = {
            consigneeUnit: newVal.consigneeUnit || '',
            senderUnit: newVal.senderUnit || '',
            deliveryYear: this.getYearFromDate(newVal.deliveryTime) || '',
            deliveryMonth: this.getMonthFromDate(newVal.deliveryTime) || '',
            deliveryDay: this.getDayFromDate(newVal.deliveryTime) || '',
            principal: newVal.principal || '',
            principalPhone: newVal.principalPhone || '',
            licensePlate: newVal.licensePlate || '',
            pickupLocation: newVal.pickupLocation || ''
          };
        }
      },
      immediate: true,
      deep: true
    },
    waybillDetails: {
      handler(newVal) {
        if (newVal && Array.isArray(newVal)) {
          this.localWaybillDetails = [...newVal];
        } else {
          this.localWaybillDetails = [];
        }
        this.refreshPagination();
      },
      immediate: true,
      deep: true
    }
  },
  methods: {
    buildPage(details, page) {
      const perPage = this.perPage;
      const src = Array.isArray(details) ? details : [];
      const start = (page - 1) * perPage;
      const pageRows = src.slice(start, start + perPage).map((x) => ({ ...x }));
      while (pageRows.length < perPage) {
        pageRows.push({
          productName: '',
          edgeType: '',
          packageType: '',
          actualWarehouseName: '',
          settlementType: '',
          rawMaterialFactory: '',
          coilNumber: '',
          specification: '',
          material: '',
          quantity: '',
          weight: '',
          unitPrice: ''
        });
      }
      return pageRows;
    },
    refreshPagination() {
      const src = Array.isArray(this.localWaybillDetails) ? this.localWaybillDetails : [];
      this.totalPages = Math.max(1, Math.ceil(src.length / this.perPage));
      if (this.currentPage > this.totalPages) this.currentPage = this.totalPages;
      if (this.currentPage < 1) this.currentPage = 1;
      this.displayWaybillDetails = this.buildPage(src, this.currentPage);
    },
    changePage(next) {
      this.currentPage = next;
      this.refreshPagination();
    },
    // 从日期字符串中提取年份
    getYearFromDate(dateStr) {
      if (dateStr) {
        const date = new Date(dateStr);
        return date.getFullYear().toString();
      }
      return '';
    },
    // 从日期字符串中提取月份
    getMonthFromDate(dateStr) {
      if (dateStr) {
        const date = new Date(dateStr);
        return (date.getMonth() + 1).toString();
      }
      return '';
    },
    // 从日期字符串中提取日
    getDayFromDate(dateStr) {
      if (dateStr) {
        const date = new Date(dateStr);
        return date.getDate().toString();
      }
      return '';
    },
    // 保存为图片
    saveAsImage() {
      const node = this.$refs.waybillRef;
      // 确保容器在保存图片时能完整显示所有内容
      const originalWidth = node.style.width;
      const originalOverflow = node.style.overflow;

      // 临时调整容器样式，确保所有内容可见
      node.style.width = 'auto';
      node.style.overflow = 'visible';

      // 获取实际内容宽度
      const contentWidth = node.scrollWidth;
      const contentHeight = node.scrollHeight;

      domtoimage.toPng(node, {
        width: contentWidth,
        height: contentHeight,
        style: {
          width: `${contentWidth}px`,
          height: `${contentHeight}px`,
          overflow: 'visible'
        }
      })
        .then(dataUrl => {
          const link = document.createElement('a');
          link.download = `发货单_${this.waybill.waybillName || this.waybill.waybillNo || Date.now()}.png`;
          link.href = dataUrl;
          link.click();
        })
        .catch(error => {
          console.error('保存图片失败:', error);
          this.$message.error('保存图片失败');
        })
        .finally(() => {
          // 恢复原始样式
          node.style.width = originalWidth;
          node.style.overflow = originalOverflow;
        });
    },
    // 打印发货单
    async printWaybill() {
      const node = this.$refs.waybillRef;
      const paperWidthMm = 241;
      const paperHeightMm = 140;
      const safeRightMarginMm = 45;
      const safeLeftPaddingMm = 6;
      const safeTopShiftMm = 15;
      const safeContentWidthMm = paperWidthMm - safeRightMarginMm - safeLeftPaddingMm;

      const mmToPx = (mm) => (mm * 96) / 25.4;
      const mmToPt = 72 / 25.4;
      const pageWidthPt = paperWidthMm * mmToPt;
      const pageHeightPt = paperHeightMm * mmToPt;

      const pageWidthPx = Math.round(mmToPx(paperWidthMm));
      const pageHeightPx = Math.round(mmToPx(paperHeightMm));

      const allDetails = Array.isArray(this.localWaybillDetails) ? this.localWaybillDetails : [];
      const totalPages = Math.max(1, Math.ceil(allDetails.length / this.perPage));

      const originalPage = this.currentPage;
      const originalDisplay = this.displayWaybillDetails;

      const pdfDoc = await PDFDocument.create();

      // 强制让容器内容不被裁剪，以便html2canvas完整捕获
      const originalStyle = { width: node.style.width, overflow: node.style.overflow };
      const contentEl = node.querySelector('.waybill-content');
      const originalContentCssText = contentEl ? contentEl.style.cssText : '';

      node.style.width = 'auto';
      node.style.overflow = 'visible';

      // 针对“导出PDF再打印”的场景：为打印机右侧不可打印区预留约30mm
      // 通过缩放内容区域（不换行、不省略），让最终PDF右侧自带留白
      if (contentEl) {
        contentEl.style.setProperty('--content-width-mm', String(safeContentWidthMm));
        contentEl.style.setProperty('--offset-x-mm', String(safeLeftPaddingMm));
        contentEl.style.setProperty('--offset-y-mm', String(safeTopShiftMm));
      }

      try {
        for (let page = 1; page <= totalPages; page++) {
          this.currentPage = page;
          this.displayWaybillDetails = this.buildPage(allDetails, page);
          await this.$nextTick();

          // 固定按纸张尺寸截图：右侧留白来自于 contentEl 的缩放（241 -> 211mm），而不是扩大截图宽度
          const canvas = await html2canvas(node, {
            backgroundColor: '#ffffff',
            scale: 3,
            useCORS: true,
            willReadFrequently: true,
            width: pageWidthPx,
            height: pageHeightPx,
            windowWidth: pageWidthPx,
            windowHeight: pageHeightPx,
            scrollX: 0,
            scrollY: 0
          });

      const png = canvas.toDataURL('image/png');
      const imgPng = await pdfDoc.embedPng(png);
          const pdfPage = pdfDoc.addPage([pageWidthPt, pageHeightPt]);
          pdfPage.drawImage(imgPng, {
        x: 0,
        y: 0,
        width: pageWidthPt,
        height: pageHeightPt
      });
        }
      } finally {
        // 恢复截图前的容器样式
        node.style.width = originalStyle.width;
        node.style.overflow = originalStyle.overflow;
        if (contentEl) contentEl.style.cssText = originalContentCssText;

        this.currentPage = originalPage;
        this.displayWaybillDetails = originalDisplay;
        this.refreshPagination();
      }

      const pdfBytes = await pdfDoc.save();
      const blob = new Blob([pdfBytes], { type: 'application/pdf' });
      const url = URL.createObjectURL(blob);

      const win = window.open(url, '_blank');
      if (!win) {
        const a = document.createElement('a');
        a.href = url;
        a.download = `发货单_${this.waybill.waybillName || this.waybill.waybillNo || new Date().getTime()}.pdf`;
        document.body.appendChild(a);
        a.click();
        document.body.removeChild(a);
      }
    }
  }
}
</script>

<style scoped>
.waybill-container {
  width: 241mm;
  height: 140mm;
  margin: 0 auto;
  padding: 0;
  background: #fff;
  box-shadow: none;
  font-family: SimSun, "Courier New", monospace;
  overflow: hidden;
  color: #000 !important;
  font-weight: 900 !important;
  box-sizing: border-box;
}

.title {
  text-align: center;
  font-size: 24px;
  font-weight: bold;
  margin-bottom: 5px;
}

.waybill-content {
  --paper-width-mm: 241;
  --content-width-mm: 241;
  --offset-x-mm: 0;
  --offset-y-mm: 0;
  --scale: calc(var(--content-width-mm) / var(--paper-width-mm));

  width: calc(var(--paper-width-mm) * 1mm);
  transform-origin: top left;
  transform: translate(calc(var(--offset-x-mm) * 1mm), calc(var(--offset-y-mm) * 1mm)) scale(var(--scale));
}

.waybill-content * {
  box-sizing: border-box;
}

/* 头部样式 */
.waybill-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 3mm;
  font-size: 11px;
}

.header-left,
.header-right {
  display: flex;
  align-items: center;
}

.header-center {
  display: flex;
  align-items: center;
  gap: 5px;
}

.label {
  font-weight: bold;
  display: inline-block;
  width: 100px;
  font-size: 18px;
  text-align: right;
  white-space: nowrap;
}

.date-label {
  width: 1em;
}

/* 可编辑输入框样式 */
.editable-input {
  padding: 4px 8px;
  border: 1px solid #dcdfe6;
  border-radius: 4px;
  font-size: 18px;
  font-weight: bold;
  font-family: SimSun, serif;
  outline: none;
  transition: all 0.2s;
  line-height: 18px;
  border-bottom: 1px dashed #dcdfe6;
}

.editable-input:focus {
  border-color: #409eff;
}

.date-input {
  width: 40px;
  text-align: center;
  margin-right: 5px;
}

/* 透明输入框样式 */
.transparent-input {
  border: none;
  border-radius: 0;
  background-color: transparent;
}

.transparent-input:focus {
  border-bottom-color: #409eff;
  background-color: rgba(64, 158, 255, 0.05);
}

/* 表格样式 */
.waybill-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 2mm;
  font-size: 10px;
  table-layout: fixed;
}

.waybill-table th,
.waybill-table td {
  border: 0.4px solid #000;
  box-sizing: border-box;
  line-height: 6mm;
  text-align: center;
  vertical-align: middle;
  font-size: 18px;
  font-weight: 900;
  padding: 0;
  overflow: hidden;
  white-space: nowrap;
}

/* 表格列宽设置 */
.waybill-table th:nth-child(1),
.waybill-table td:nth-child(1) {
  width: 60px;
  /* 品名 */
}

.waybill-table th:nth-child(2),
.waybill-table td:nth-child(2) {
  width: 40px;
  /* 切边 */
}

.waybill-table th:nth-child(3),
.waybill-table td:nth-child(3) {
  width: 40px;
  /* 包装 */
}

.waybill-table th:nth-child(4),
.waybill-table td:nth-child(4) {
  width: 80px;
  /* 仓库位置 */
}

.waybill-table th:nth-child(5),
.waybill-table td:nth-child(5) {
  width: 40px;
  /* 结算 */
}

.waybill-table th:nth-child(6),
.waybill-table td:nth-child(6) {
  width: 80px;
  /* 原料厂家 */
}

.waybill-table th:nth-child(7),
.waybill-table td:nth-child(7) {
  width: 100px;
  /* 卷号 */
}

.waybill-table th:nth-child(8),
.waybill-table td:nth-child(8) {
  width: 80px;
  /* 规格 */
}

.waybill-table th:nth-child(9),
.waybill-table td:nth-child(9) {
  width: 80px;
  /* 材质 */
}

/* 数量（件） */
/* .waybill-table th:nth-child(10),
.waybill-table td:nth-child(10) {
  width: 60px;

} */

.waybill-table th:nth-child(10),
.waybill-table td:nth-child(10) {
  width: 80px;
  /* 重量（kg） */
}

  /* 单价 */
/* .waybill-table th:nth-child(12),
.waybill-table td:nth-child(12) {
  width: 40px;

} */


.waybill-table th {
  background-color: #f5f7fa;
  font-weight: bold;
}

.waybill-table tr:nth-child(even) {
  background-color: #fafafa;
}

/* 表格输入框样式 */
.table-input {
  box-sizing: border-box;
  width: 100%;
  height: 100%;
  margin: 0;
  padding: 0;
  border: none;
  outline: none;
  background: transparent;
  /* font-family: inherit; */
  font-size: 18px;
  line-height: 6mm;
  text-align: center;
  vertical-align: middle;
}

.transparent-input {
  border: none !important;
  background: transparent !important;
  padding: 0 !important;
  margin: 0 !important;
  height: 100% !important;
  line-height: 6mm !important;
  vertical-align: middle !important;
}

.waybill-table th,
.waybill-table td {
  padding: 0 !important;
  margin: 0 !important;
  line-height: 6mm !important;
  height: 6mm;
  vertical-align: middle !important;
}

.waybill-table input {
  vertical-align: middle !important;
  height: 6mm !important;
  line-height: 6mm !important;
  padding: 0 2px !important;
  margin: 0 !important;
  border: none !important;
  background: transparent !important;
  box-shadow: none !important;
  width: 100% !important;
  max-width: 100% !important;
  overflow: hidden !important;
  text-overflow: ellipsis !important;
  white-space: nowrap !important;
}

.waybill-table input:focus {
  outline: none !important;
  box-shadow: none !important;
  border: 1px dashed #999 !important;
}

/* 无数据样式 */
.no-data {
  height: 200px;
  vertical-align: middle;
}

.no-data-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
}

/* 表格单元格操作区 */
.table-cell-with-action {
  display: flex;
  align-items: center;
  gap: 5px;
}

/* 备注样式 */
.waybill-remarks {
  margin-bottom: 30px;
  font-size: 18px;
  line-height: 1.5;
  /* font-weight: 600; */
  font-weight: bold;
  text-align: justify;
}

.waybill-remarks p {
  margin: 5px 0;
}

/* 底部签名样式 */
.waybill-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  font-size: 18px;
}

.waybill-pickup-location {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
  font-size: 18px;
}



.waybill-pickup-location label {
  font-size: 18px;
  /* margin-right: 10px; */
  text-align: left !important;
  width: 40px;
}

.footer-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  width: 200px;
}

.footer-item.inline {
  flex-direction: row;
  align-items: center;
  width: auto;
}

.footer-item .label {
  font-size: 18px;
  margin-right: 10px;
  width: 40px;
}

.signature-input {
  min-width: 150px;
}

.full-input {
  /* 占满本行的剩余空间，父容器不是flex */
  flex: 1;
}

/* 操作按钮样式 */
.waybill-actions {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-top: 30px;
}

/* 添加明细按钮 */
.add-detail-btn {
  display: flex;
  justify-content: center;
  margin-bottom: 20px;
}

/* 打印样式 */
@page {
  size: 241mm 140mm;
  margin: 0;
}

@media print {
  html,
  body {
    margin: 0;
    padding: 0;
  }

  /* 打印机通常存在不可打印区：这里右侧预留30mm安全边距，避免右侧被裁 */
  .waybill-container {
    width: 241mm;
    height: 140mm;
    margin: 0;
    padding: 0;
    overflow: hidden;
  }

  .waybill-content {
    --paper-width-mm: 241;
    /* 右侧预留约30mm不可打印区：241 - 30 = 211 */
    --content-width-mm: 211;
    --offset-x-mm: 0;
    --offset-y-mm: 0;
    --scale: calc(var(--content-width-mm) / var(--paper-width-mm));

    width: calc(var(--paper-width-mm) * 1mm);
    transform-origin: top left;
    transform: translate(calc(var(--offset-x-mm) * 1mm), calc(var(--offset-y-mm) * 1mm)) scale(var(--scale));
  }

  /* 打印时不要省略：允许换行并让行高/高度自适应 */
  .waybill-table th,
  .waybill-table td {
    white-space: normal !important;
    overflow: visible !important;
    text-overflow: clip !important;
    height: auto !important;
    line-height: 1.2 !important;
  }

  .waybill-table input {
    white-space: normal !important;
    overflow: visible !important;
    text-overflow: clip !important;
  }

  .waybill-footer {
    flex-direction: column;
    align-items: flex-start;
    gap: 15px;
  }

  .footer-item.inline {
    width: 100%;
  }

  .label {
    width: auto;
    text-align: left;
  }
}
</style>