使用vue-print-nb打印el-table问题总结

@media print {
  // 解决单选框复选框打印时选中消失的问题
  ::v-deep .el-radio__input,
  ::v-deep .el-checkbox__input {
    -webkit-print-color-adjust: exact;
    -moz-print-color-adjust: exact;
    color-adjust: exact;
  }
}

 // 解决表格打印时表格显示不全的问题
  ::v-deep table {
    table-layout: auto !important;
  }
  ::v-deep .el-table__header-wrapper .el-table__header {
    width: 99% !important;
  }
  ::v-deep .el-table__body-wrapper .el-table__body {
    width: 98% !important;
  }
  ::v-deep #print table {
    table-layout: fixed !important;
  }
  ::v-deep .el-table__fixed {
    display: none;
  }

 ::v-deep .el-table .el-table__cell.is-hidden > * {
    visibility: visible;
    font-size: 12px;
  }

  .noPrint {
    display: none;
  }
  @page {
    size: auto;
    // margin: 3mm; // 页边距
  }

  // form 表单打印样式调整
  ::v-deep .el-form-item__label {
    padding: 0;
    width: 90px !important;
  }
  ::v-deep .el-form-item__content {
    margin-left: 90px !important;
  }
  ::v-deep .el-select__caret {
    opacity: 0;
  }
  ::v-deep .el-form-item__label {
    padding: 0;
    width: 90px !important;
  }
  // 清除input边框
  ::v-deep .el-input__inner {
    max-width: 180px;
    padding: 0px;
    border: 0;
  }
  ::v-deep .el-table {
    .el-input__inner {
      display: none;
    }
  }
  // el-select 多选清除边距，icon和背景
  ::v-deep .el-input__icon {
    display: none;
  }
  ::v-deep .el-tag {
    padding: 0;
    border-width: 0;
  }
  ::v-deep .el-tag__close {
    display: none;
  }

// 1. 全局挂载
import Print from 'vue-print-nb'
Vue.use(Print)
// or
// 2. 自定义指令
import print from 'vue-print-nb'
directives: {
  print
}

// 1. 全局挂载
import { createApp } from 'vue'
import App from './App.vue'
import print from 'vue3-print-nb'
const app = createApp(App)
app.use(print)
app.mount('#app')
// or 
// 2. 自定义指令
import print from 'vue3-print-nb'
directives: {
    print   
}

<template>
  <div class="hello">
    <h1>{{ msg }}</h1>
    <h2>Essential Links</h2>
    // 局部打印文本以及按钮
    <div id="printArea">Print Area</div>
    <button v-print="print">Print!</button>
    <ul>
      <li>
        <a
          href="https://vuejs.org" rel="external nofollow" 
          target="_blank"
        >
          Core Docs
        </a>
      </li>
      <li>
        <a
          href="https://forum.vuejs.org" rel="external nofollow" 
          target="_blank"
        >
          Forum
        </a>
      </li>
      <li>
        <a
          href="https://chat.vuejs.org" rel="external nofollow" 
          target="_blank"
        >
          Community Chat
        </a>
      </li>
      <li>
        <a
          href="https://twitter.com/vuejs" rel="external nofollow" 
          target="_blank"
        >
          Twitter
        </a>
      </li>
      <br>
      <li>
        <a
          href="http://vuejs-templates.github.io/webpack/" rel="external nofollow" 
          target="_blank"
        >
          Docs for This Template
        </a>
      </li>
    </ul>
    <h2>Ecosystem</h2>
    <ul>
      <li>
        <a
          href="http://router.vuejs.org/" rel="external nofollow" 
          target="_blank"
        >
          vue-router
        </a>
      </li>
      <li>
        <a
          href="http://vuex.vuejs.org/" rel="external nofollow" 
          target="_blank"
        >
          vuex
        </a>
      </li>
      <li>
        <a
          href="http://vue-loader.vuejs.org/" rel="external nofollow" 
          target="_blank"
        >
          vue-loader
        </a>
      </li>
      <li>
        <a
          href="https://github.com/vuejs/awesome-vue" rel="external nofollow" 
          target="_blank"
        >
          awesome-vue
        </a>
      </li>
    </ul>
  </div>
</template>

export default {
  name: 'HelloWorld',
  data () {
    let that = this
    return {
      msg: 'Welcome to Your Vue.js App',
      print: {
        id: 'printArea',
        popTitle: '配置页眉标题', // 打印配置页上方的标题
        extraHead: '打印', // 最上方的头部文字，附加在head标签上的额外标签，使用逗号分割
        preview: true, // 是否启动预览模式，默认是false
        previewTitle: '预览的标题', // 打印预览的标题
        previewPrintBtnLabel: '预览结束，开始打印', // 打印预览的标题下方的按钮文本，点击可进入打印
        zIndex: 20002, // 预览窗口的z-index，默认是20002，最好比默认值更高
        previewBeforeOpenCallback () { console.log('正在加载预览窗口！'); console.log(that.msg, this) }, // 预览窗口打开之前的callback
        previewOpenCallback () { console.log('已经加载完预览窗口，预览打开了！') }, // 预览窗口打开时的callback
        beforeOpenCallback () { console.log('开始打印之前！') }, // 开始打印之前的callback
        openCallback () { console.log('执行打印了！') }, // 调用打印时的callback
        closeCallback () { console.log('关闭了打印工具！') }, // 关闭打印的callback(无法区分确认or取消)
        clickMounted () { console.log('点击v-print绑定的按钮了！') },
        // url: 'http://localhost:8080/', // 打印指定的URL，确保同源策略相同
        // asyncUrl (reslove) {
        //   setTimeout(() => {
        //     reslove('http://localhost:8080/')
        //   }, 2000)
        // },
        standard: '',
        extarCss: ''
      }
    }
  }
}

/*
***设置打印内容样式，不影响页面原有样式
***以下内容为设置element table在打印时的样式，防止打印不全*/
@page {
  size: auto;
  margin: 3mm;
}
@media print {
  html {
    background-color: #ffffff;
    height: auto;
    margin: 0px;
  }
  body {
    border: solid 1px #ffffff;
    /* margin: 10mm 15mm 10mm 15mm; */
  }
  #print table {
    table-layout: auto !important;
  }
  #print .el-table__header-wrapper .el-table__header {
    width: 100% !important;
    border: solid 1px #f2f2f2;
  }
  #print .el-table__body-wrapper .el-table__body {
    width: 100% !important;
    border: solid 1px #f2f2f2;
  }
  #print #pagetable table {
    table-layout: fixed !important;
  }
  #print .el-table__empty-block {
    width: 100% !important;
    height: auto !important;
  }
  #print .el-input-number--small{
    width: 100% !important;
  }
}