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NPM install print-js --save
inducere

import printJS from 'print-js'

<el-dialog title="提示" :visible.sync="dialogVisible" width="30%" :before-close="handleClose">
 
      <span slot="footer" class="dialog-footer">
        <span>{{ form.address }}</span>
        <span>{{ form.name }}</span>
        <span>{{ form.password }}</span>
        <el-button @click="dialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="dialogVisible = false">确 定</el-button>
        <el-button type="primary" @click="share(form)">复制</el-button>
        <el-button type="primary"
          @click="printFnc('https://inews.gtimg.com/om_bt/OGlQWfsaAoKkuCcMZ2o9IVEPqd-72DQy5EAN02XBHUwfYAA/641', 'jpeg')">打印</el-button>
      </span>
    </el-dialog>

Modus printFnc in duobus parametris transit, inscriptionis fasciculi et fasciculi typus

 printFnc(url, filetype) {
      let path = url
      let type = ''
      const acceptedFileTypes = ['png', 'jpeg', 'jpg', 'gif']
      if (acceptedFileTypes.includes(filetype)) {
        type = 'image'
      } else {
        type = filetype
      }
      printJS({
        printable: path,
        type: type,
        // showModal: true,//开启加载modal
        onErrorL: (err) => {
          return this.$message({
            type: "error",
            message: '打印失败，请检查打印机设置或尝试保存文件！'
 
          })
        }
      })
    },