kd-aiot
/
kd-aiot-frontend-eam


			
				
					
						
						
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							<template>
  <ele-modal
    title="二维码"
    :visible.sync="QRvisible"
    v-if="QRvisible"
    width="800px"
    :modal="false"
  >
    <div id="printSection">
      <div
        v-for="(item, index) in codeList"
        :key="index"
        style="
          display: flex;
          padding-left: 20px;
          align-items: center;
          justify-content: center;
          margin: auto;
        "
      >
        <div style="width: 250px; height: 240px">
          <img
            :src="item.qrcode"
            alt="QR Code"
            style="width: 240px; height: 240px"
          />
        </div>
        <div
          style="
            width: 440px;
            height: 240px;
            display: flex;
            flex-direction: column;
            flex-wrap: wrap;
            justify-content: center;
          "
        >
          <div style="text-align: left; font-size: 20px">
            <span style="display: inline-block; width: 100px">编码：</span>
            <span style="color: #000">{{ item.code }}</span>
          </div>

          <div style="text-align: left; font-size: 20px">
            <span style="display: inline-block; width: 100px">名称：</span>
            <span style="color: #000">{{ item.name }}</span>
          </div>
        </div>
      </div>
    </div>

    <div slot="footer">
      <el-button @click="print">打印预览</el-button>
      <el-button @click="close">关闭</el-button>
    </div>
  </ele-modal>
</template>

<script>
  import QRCode from 'qrcode';
  export default {
    name: 'print',
    data() {
      return {
        QRvisible: false,
        codeList: []
      };
    },

    methods: {
      open(data) {
        this.codeList = data;
        this.QRvisible = true;
        this.$nextTick(() => {
          this.generateQRCodes();
        });
        // queryPrint({ ids }).then(res => {
        //     this.codeList = res;
        //     this.QRvisible = true
        //     this.$nextTick(() => {
        //         this.generateQRCodes()
        //     })
        // })
      },

      generateQRCodes() {
        this.codeList.forEach((item) => {
          QRCode.toDataURL(item.code)
            .then((url) => {
              item.qrcode = url;
              this.$forceUpdate();
            })
            .catch((err) => {
              console.error(err);
            });
        });
      },

      close() {
        this.QRvisible = false;
      },

      print() {
        const printSection = document.getElementById('printSection');
        // 创建打印任务
        const printWindow = window.open('', '_blank');
        printWindow.document.open();
        printWindow.document.write('<html><head><title>打印预览</title>');
        printWindow.document.write(
          '<link rel="stylesheet" href="your-stylesheet-url.css" type="text/css" />'
        );
        printWindow.document.write('</head><body>');
        printWindow.document.write(printSection.innerHTML);
        printWindow.document.write('</body></html>');
        printWindow.document.close();
        printWindow.onload = function () {
          printWindow.print();
        };
      }
    }
  };
</script>

<style lang="scss" scoped>
  @media print {
    #printSection {
      font-size: 34px;

      span {
        font-size: 34px;
      }
    }
  }
</style>