扫码页:改用plus.barcode原生扫码(全透明无取景框)
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97694732@qq.com
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@ -1,148 +1 @@
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<!DOCTYPE html>
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<html>
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<head>
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<meta charset="utf-8">
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<meta name="viewport" content="width=device-width,initial-scale=1.0,maximum-scale=1.0,user-scalable=no">
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<title>扫码</title>
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<style>
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* { margin: 0; padding: 0; box-sizing: border-box; }
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html, body { width: 100%; height: 100%; overflow: hidden; background: #000; }
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#scanner-container {
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position: fixed;
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top: 0; left: 0;
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width: 100%; height: 100%;
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background: #000;
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}
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#scanner-container video {
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width: 100% !important;
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height: 100% !important;
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object-fit: cover;
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position: absolute;
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top: 0; left: 0;
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}
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#scanner-container canvas { display: none !important; }
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.close-btn {
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position: fixed; top: 30px; left: 15px;
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width: 40px; height: 40px;
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border-radius: 50%;
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background: rgba(255,255,255,0.2);
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display: flex; align-items: center; justify-content: center;
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z-index: 9999;
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color: #fff; font-size: 22px;
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}
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.tip {
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position: fixed; bottom: 60px; left: 0; right: 0;
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text-align: center; z-index: 9999;
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}
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.tip-text {
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display: inline-block;
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color: #fff; font-size: 14px;
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background: rgba(0,0,0,0.5);
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padding: 6px 16px; border-radius: 20px;
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}
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.loading {
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position: fixed; top: 50%; left: 50%;
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transform: translate(-50%, -50%);
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color: #fff; font-size: 14px; z-index: 9999;
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text-align: center;
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}
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</style>
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</head>
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<body>
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<div id="scanner-container"></div>
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<div class="close-btn" id="closeBtn">✕</div>
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<div class="tip"><span class="tip-text" id="tipText">对准条码自动识别</span></div>
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<div class="loading" id="loadingText">正在启动摄像头...</div>
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<script src="../js/quagga.min.js"></script>
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<script>
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var detected = false;
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var tipText = document.getElementById('tipText');
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var loadingText = document.getElementById('loadingText');
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function sendToApp(action, code) {
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// UniApp WebView postMessage
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if (window.uni && window.uni.postMessage) {
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window.uni.postMessage({ data: { action: action, code: code || '' } });
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}
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// fallback: 5+ webview API
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if (window.plus && window.plus.webview) {
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var wv = plus.webview.currentWebview();
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if (wv && wv.postMessageToParent) {
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wv.postMessageToParent({ action: action, code: code || '' });
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}
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}
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}
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function closeCamera() {
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try { Quagga.stop(); } catch(e) {}
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sendToApp('close');
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}
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document.getElementById('closeBtn').addEventListener('click', closeCamera);
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function startQuagga() {
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if (typeof Quagga === 'undefined') {
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loadingText.innerText = '加载解码库失败';
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return;
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}
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Quagga.init({
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inputStream: {
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name: 'Live',
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type: 'LiveStream',
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target: document.querySelector('#scanner-container'),
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constraints: {
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width: 640, height: 480, facingMode: 'environment'
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}
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},
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decoder: {
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readers: ['ean_reader', 'ean_8_reader', 'upc_reader', 'code_128_reader', 'code_39_reader'],
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debug: false
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},
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locator: { halfSample: false, patchSize: 'large' },
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numOfWorkers: 2,
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frequency: 5
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}, function(err) {
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if (err) {
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loadingText.innerText = '摄像头启动失败，请检查权限';
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console.error('Quagga error:', err);
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return;
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}
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loadingText.style.display = 'none';
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Quagga.start();
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// 启动成功后定期检查有没有画面
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setTimeout(function() {
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var video = document.querySelector('#scanner-container video');
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if (video && video.videoWidth > 0) {
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console.log('Camera OK:', video.videoWidth, 'x', video.videoHeight);
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} else {
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console.warn('Camera may not have started');
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}
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}, 2000);
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});
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}
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Quagga.onDetected(function(result) {
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if (detected) return;
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var code = result && result.codeResult && result.codeResult.code;
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if (!code) return;
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code = code.replace(/\D/g, '');
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if (code.length >= 10 && code.length <= 14) {
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detected = true;
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tipText.innerText = '识别成功';
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try { Quagga.stop(); } catch(e) {}
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setTimeout(function() {
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sendToApp('scanned', code);
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}, 300);
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}
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});
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// 启动
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if (document.readyState === 'complete') {
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startQuagga();
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} else {
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window.addEventListener('load', startQuagga);
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}
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</script>
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</body>
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</html>
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deprecated - use scan-isbn.nvue
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6
hybrid/js/quagga.min.js
vendored
6
hybrid/js/quagga.min.js
vendored
File diff suppressed because one or more lines are too long
@ -58,7 +58,10 @@
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"path": "pages/upload/scan-isbn",
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"style": {
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"navigationBarTitleText": "",
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"navigationStyle": "custom"
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"navigationStyle": "custom",
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"app-plus": {
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"render": "native"
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}
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}
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}
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],
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105
pages/upload/scan-isbn.nvue
Normal file
105
pages/upload/scan-isbn.nvue
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@ -0,0 +1,105 @@
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<template>
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<view class="page">
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<view ref="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 (!window.plus) {
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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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@ -1,33 +0,0 @@
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<template>
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<view class="page">
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<web-view src="/hybrid/html/scanner.html" @message="handleMessage"></web-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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},
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methods: {
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handleMessage(e) {
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const data = e.detail && e.detail.data && e.detail.data[0]
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if (!data) return
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const action = data.action || ''
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if (action === 'scanned' && data.code) {
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uni.$emit('scan-isbn-result', data.code)
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uni.navigateBack()
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} else if (action === 'close') {
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uni.navigateBack()
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}
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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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}
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</style>
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