vue打印插件vue-print-nb的实现代码

import Print from 'vue-print-nb'Vue.use(Print)

<div class="box">
    <div id="printTest" class="upTable">
      <table>
        <tr>
          <td class="title" colspan="4">木材检尺报告书</td>
        </tr>
        <tr>
          <td class="one">船名</td>
          <td style="width:190px">{{ Goods.shipName }}</td>
          <td class="one">输出国</td>
          <td>{{ goods.exportCountry }}</td>
        </tr>
        <tr>
          <td class="one">树种</td>
          <td>{{ variety }}</td>
          <td class="one">委托方/货主</td>
          <td>{{ goods.goodsMaster }}</td>
        </tr>
        <tr>
          <td class="one">申报材积</td>
          <td>{{ goods.declareWoodVolume }}立方米</td>
          <td class="one">申报数量</td>
          <td>{{ goods.declareNumber }}根</td>
        </tr>
        <tr>
          <td class="one">存放地点</td>
          <td>{{ goods.goodsYard }}</td>
          <td class="one">卸毕时间</td>
          <td v-if="goods.unloadTime">{{ goods.unloadTime.substring(0,10) }}</td>
          <td v-else />
        </tr>
        <tr>
          <td class="one">检验标准</td>
          <td colspan="3">GB/T 144-2013 国家标准</td>
        </tr>
        <tr>
          <td class="title2" colspan="4">检验结果</td>
        </tr>
      </table>
      <table class="dataTable">
        <tr>
          <td style="width:210px">垛位号</td>
          <td style="width:100px">长度</td>
          <td style="width:100px">已检整木</td>
          <td style="width:100px">材积</td>
          <td style="width:100px">断木</td>
          <td style="width:0">未检整木</td>
        </tr>
        <tr v-for="(item,index) in shortData" :key="index">
          <td>{{ item.placeNumber }}</td>
          <td>{{ item.placeLength }}</td>
          <td>{{ item.zs }}</td>
          <td>{{ item.woodVolume }}</td>
          <td>{{ item.damagedWood }}</td>
          <td>{{ item.notCheckWood }}</td>
        </tr>
        <tr>
          <td style="width:210px">合计</td>
          <td style="width:100px" />
          <td style="width:100px">{{ zsAll }}</td>
          <td style="width:100px">{{ woodVolumeAll }}</td>
          <td style="width:100px">{{ damagedWoodAll }}</td>
          <td style="width:0px">{{ notCheckWoodAll }}</td>
        </tr>
      </table>
    </div>
    <el-button v-print="'#printTest'" type="primary" style="margin-top:20px">
      打印
    </el-button>
  </div>

<script>
export default {
  props: ['catList', 'goods'],
  data() {
    return {
　　　　//和下边 <style media="printTest"> 一起的作用是去掉页眉页脚、去掉多出空白页的问题
      printObj: {
        id: 'printTest',
        popTitle: '',
        ectraHead: ''
      },
      shortData: [],
      variety: '',
      zsAll: 0, // 已检整木  总数
      woodVolumeAll: 0, // 材积
      damagedWoodAll: 0, // 断木
      notCheckWoodAll: 0, // 未检整木
      updateTime: ''
    }
  },
  methods: {
　　//这里的数据是在父页面传来的
    getvariety(variety, catList, goods) {
      this.variety = variety
      this.shortData = catListthis.goods = goods// 合计
      let zsAll = 0
      let woodVolumeAll = 0
      let damagedWoodAll = 0
      let notCheckWoodAll = 0
      this.shortData.map((item) => {
        zsAll += item.zs
        woodVolumeAll += item.woodVolume
        damagedWoodAll += item.damagedWood
        notCheckWoodAll += item.notCheckWood
      })
      this.zsAll = zsAll
      this.woodVolumeAll = woodVolumeAll
      this.damagedWoodAll = damagedWoodAll
      this.notCheckWoodAll = notCheckWoodAll
    },
  }
}
</script>

<style media="printTest">
@page {
    size: auto;
    margin: 3mm;
  }

  html {
    background-color: #ffffff;
    height: auto;
    margin: 0px;
  body {
    border: solid 1px #ffffff;
    margin: 10mm 15mm 10mm 15mm;
</style>
<style lang="less" scoped>
.upTable{
    width: 100%;
    height: 50%;
    margin-top: 10px;
    table{
        width: 100%;
        border-collapse:collapse
    }
    td{
        border: 1px solid #000;
        font-size: 18px;
        text-align: center;
        font-family: Source Han Sans CN;
        font-weight: 450;
        color: #000000;
    .title{
        font-size: 20px;
        height: 50px;
        font-weight: 550;
    .one{
        width: 20%;
        height: 40px;
    .title2{
        height: 45px;
    .dataTable{
        border-top: 0px solid #000000;
        td{
            //  border: 1px solid #000;
            font-size: 18px;
            text-align: center;
            font-family: Source Han Sans CN;
            font-weight: 450;
            color: #000000;
            padding: 5px 0;
        }
}
.el-button{
    margin-right: 20px;
    margin-left: 20px;
    width: 100px;
    padding: 12px 0;