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| <template>
| <div class="qrbox">
| <canvas :canvas-id="id" :style="{
| width:`100%`,
| height:`100%`,
| }"></canvas>
| </div>
| </template>
| <script>
| import uQRCode from "@/js_sdk/Sansnn-uQRCode/uqrcode.js";
| export default {
| props: {
| text: {
| default: "",
| type: String,
| required: false,
| },
| },
| data() {
| return {
| width: 100,
| height: 100,
| id: `qrcode${Math.random()}`,
| };
| },
| watch: {
| text() {
| this.getRec();
| },
| },
| methods: {
| // 获取尺寸
| getRec() {
| let query = uni.createSelectorQuery().in(this);
| query
| .select(".qrbox canvas")
| .boundingClientRect((e)=> {
| this.width = e.width
| this.height = e.height
| this.make()
| })
| .exec();
| },
| make() {
| uQRCode.make({
| canvasId: this.id,
| componentInstance: this,
| text: this.text,
| size: this.width,
| margin: 0,
| backgroundColor: '#ffffff',
| foregroundColor: '#000000',
| fileType: 'jpg',
| correctLevel: uQRCode.errorCorrectLevel.H,
| success: res => {
| }
| })
| }
| },
| mounted() {
| this.getRec();
| },
| };
| </script>
|
|
