Vue+Element-ui实现打印预览_print-template

安装print-template依赖

npm install print-template
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vue代码

<template>
  <div id="container">
    <el-row :gutter="12">
    <el-col :offset="8" :span="8">
      <el-card shadow="always">
        <div slot="header" class="clearfix">
          <span>简单实例</span>
        </div>

        <div>
          <el-form label-width="80px">
            <el-form-item label="菜名">
              <el-input v-model="formData.name"></el-input>
            </el-form-item>
            <el-form-item label="条形码">
              <el-input v-model="formData.code"></el-input>
            </el-form-item>
            <el-form-item label="页数">
              <el-input-number v-model="formData.number" controls-position="right" :min="1" :max="10">
              </el-input-number>
            </el-form-item>
            <el-form-item>
              <el-button type="primary" @click="print">生成打印文件</el-button>
            </el-form-item>
          </el-form>
        </div>

      </el-card>
    </el-col>
  </el-row>
  </div>
</template>
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<script>
import PrintTemplate from 'print-template'
export default {
  name: 'App',
  data () {
    return { template: null, formData: { number: 3, name: '泡菜肉丝', code: 'PCRS11886622' } }
  },
  initPrintTemplate () {
    this.template = new PrintTemplate()
    this.template.push(
      {
        name: 'printTemplate',
        size: [76, 130],
        fixed: [
          { type: 'line', x: 2, y: 12, length: 72 },
          { type: 'line', x: 2, y: 12, orientation: 'p', length: 110 },
          { type: 'line', x: 74, y: 12, orientation: 'p', length: 110 },
          { type: 'text', x: 10, y: 30, fontSize: 3, default: '菜名' },
          { type: 'line', x: 25, y: 27, orientation: 'p', length: 8 },
          { type: 'line', x: 2, y: 35, length: 72 },
          { type: 'line', x: 2, y: 27, length: 72 },
          { type: 'text', x: 10, y: 50, fontSize: 3, default: '二维码' },
          { type: 'line', x: 25, y: 35, orientation: 'p', length: 30 },
          { type: 'line', x: 2, y: 65, length: 72 },
          { type: 'line', x: 2, y: 122, length: 72 },
          { type: 'text', fontSize: 3.8, fontWeight: 700, x: 33, y: 5, default: '标题' },
          { type: 'qrcode', x: 30, y: 38, width: 25, default: '陕西杨凌五台山下的豆皮涮牛肚也很好吃啊' }

        ],

        data: {
          name: { type: 'text', x: 35, y: 30, fontSize: 2.8 },
          code: { type: 'barcode', x: 7, y: 13, format: 'CODE128A', width: 4, margin: 0, fontSize: 3.3, fontOptions: 'bold', displayValue: true, height: 13 }
        }

      }
    )
  },
  created () {
    this.initPrintTemplate()
  },
  methods: {
    print () {
      let printData = []
      let printUrl = null
      for (let index = 0; index < this.formData.number; index++) {
        printData.push({ code: this.formData.code + (index + 1), name: this.formData.name + (index + 1) })
      }
      this.template.print('printTemplate', printData).then(printPdf => {
        if (printPdf) {
          this.$message.success('生成成功')
          printUrl = printPdf.output('bloburi', { filename: '打印文件' })
          window.open(printUrl, '_blank')
        } else {
          this.$message.warring('生成失败')
        }
      })
    }
  }
}
</script>

<style>
#container {
  font-family: 'Avenir', Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-align: center;
  color: #2c3e50;
  margin-top: 60px;
}
</style>
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实现效果

点击生成打印页面自动弹出生成的pdf文件

难搞的地方

划线比较复杂，需要算好坐标线才能对齐