106 lines
2.3 KiB
Plaintext
106 lines
2.3 KiB
Plaintext
<template>
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<view class="page">
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<view id="barcodeContainer" class="barcode-container"></view>
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<view class="close-btn" @click="goBack">
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<text class="close-icon">✕</text>
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</view>
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</view>
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</template>
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<script>
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export default {
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data() {
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return {
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barcode: null,
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scanned: false
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}
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},
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onReady() {
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this.initBarcode()
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},
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onUnload() {
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this.destroyBarcode()
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},
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methods: {
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initBarcode() {
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if (typeof plus === 'undefined') {
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uni.showToast({ title: '扫码初始化失败', icon: 'none' })
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return
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}
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// 创建原生条码扫描控件，全透明无取景框
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var options = {
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top: '0px',
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left: '0px',
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width: '100%',
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height: '100%',
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frameColor: '#00000000',
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scanbarColor: '#00000000',
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background: '#00000000'
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}
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try {
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this.barcode = new plus.barcode.Barcode('barcodeContainer', [plus.barcode.EAN13, plus.barcode.EAN8, plus.barcode.UPCA, plus.barcode.CODE128], options)
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this.barcode.onmarked = (type, result) => {
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if (this.scanned) return
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this.scanned = true
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if (result && result.length >= 10 && result.length <= 14) {
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this.barcode.cancel()
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uni.$emit('scan-isbn-result', result)
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uni.navigateBack()
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} else {
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this.scanned = false
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}
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}
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this.barcode.onerror = (e) => {
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console.error('扫码错误:', e)
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uni.showToast({ title: '扫码异常', icon: 'none' })
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}
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this.barcode.start()
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} catch (e) {
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console.error('Barcode init error:', e)
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uni.showToast({ title: '扫码初始化失败', icon: 'none' })
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}
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},
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destroyBarcode() {
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if (this.barcode) {
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try { this.barcode.cancel() } catch(e) {}
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try { this.barcode.close() } catch(e) {}
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this.barcode = null
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}
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},
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goBack() {
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this.destroyBarcode()
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uni.navigateBack()
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}
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}
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}
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</script>
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<style>
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.page {
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flex: 1;
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background-color: #000;
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position: relative;
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}
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.barcode-container {
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position: absolute;
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top: 0; left: 0; right: 0; bottom: 0;
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}
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.close-btn {
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position: fixed;
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top: 60rpx;
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left: 30rpx;
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width: 60rpx;
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height: 60rpx;
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border-radius: 50%;
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background: rgba(255,255,255,0.2);
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display: flex;
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align-items: center;
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justify-content: center;
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z-index: 9999;
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}
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.close-icon {
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color: #fff;
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font-size: 36rpx;
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}
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</style>
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