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