@dcloudio/uni-cli-shared
Version:
uni-cli-shared
150 lines (144 loc) • 7.25 kB
HTML
<html lang="zh-CN">
<head>
<meta charset="UTF-8" />
<script>
var coverSupport = 'CSS' in window && typeof CSS.supports === 'function' && (CSS.supports('top: env(a)') ||
CSS.supports(
'top: constant(a)'))
document.write(
'<meta name="viewport" content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0' +
(coverSupport ? ', viewport-fit=cover' : '') + '" />')
</script>
<title>Scan code</title>
<style>
html,
body,
.container {
margin: 0;
padding: 0;
position: absolute;
left: 0;
top: 0;
right: 0;
bottom: 0;
background: #000000;
}
</style>
</head>
<body>
<div id="scan" class="container">
</div>
<script>
var scan;
var lightImg;
var lightView;
var back = function(cancel) {
if (cancel) {
plus.webview.postMessageToUniNView({
type: 'scanCode',
args: {
errMsg: 'cancel'
}
}, '__uniapp__service');
}
lightImg && lightImg.clear();
lightView && lightView.clear();
scan && scan.close();
var webview = plus.webview.currentWebview();
if (webview.__uniapp_dark) {
plus.navigator.setStatusBarStyle('dark');
}
webview.close('auto');
}
/**
* 绘制照亮开关
*/
function drawLight() {
var offImg =
'data:image/png;base64,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';
var onImg =
'data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAADAAAAAwCAYAAABXAvmHAAAB4klEQVRoQ+1ZQU7CUBCdaWVBLFETqUtxB7iQG4hH4AZ4AvUE4gnkBuoJ9AbiDXAhZadby4IQICaS9psqJBVLy5/fkhKHbefPzPvzZv6bgLDmP1zz/OH/ARjZpSYAniVSORQXRt5qyviWrsDQLrUQ8FgmyLK2AsRTzrSqy9p7dgxA5raibFdSgSR7QAi4yu11GlFA/d+lKSTjfBW2JAAj+7Cio7MVZ4KO0AeG+dKW9UkCMHwvNxDhUjZYuL17apjdW1mfJACiX9gef2bbgLgvG3CB/bNhdioUXyQAXqCRXawDaDeUoPNnBLonuXy3RfFFBvADouxx9ogSeHaGMjpjm0LDXrGKQntUAaBn3IPsTveN6kOpAl5QNWkh7gzTqlOTJ0mJ+WAf/WLBmWivskkIEIONjKio3H4sAKhVUOX+7MKUKcQAZLk3Z88VWEQhr0kRYCoN/m5wqe8BvzQOkuDpB+CTB0EPHgOYNnNiTewXaFyBkFGbWAVQE7XNXevhW7X2Sucg8NqfR+p7AADaesateUk7E+0eAH4tLOsAIPSNZQBJT6EoicMV4Ar4OEJZK5lCTCGmkPy/MUGjOTEtxO9A1A1wE3MTp6iJgxaWKAr7F54o27DvsUwhlQRUzzIA1RtUPf8FRKRYQOI+9hQAAAAASUVORK5CYII=';
var webview = plus.webview.currentWebview();
var en = webview.__uniapp_locale && webview.__uniapp_locale.indexOf('zh') < 0
var onText = en ? '' : '轻触照亮';
var offText = en ? '' : '轻触关闭';
var on = false;
var viewWidth = 48;
var fontSize = 10;
var imgWidth = 26;
function changeType() {
lightView.reset();
lightImg.loadBase64Data(on ? onImg : offImg, function() {
lightView.drawBitmap(lightImg, {}, {
top: 0,
left: (viewWidth - imgWidth) / 2 + 'px',
width: imgWidth + 'px',
height: imgWidth + 'px'
});
});
lightView.drawText(on ? offText : onText, {
top: imgWidth + 'px',
left: '0px',
width: '100%',
height: (fontSize + 2) + 'px'
}, {
color: '#ffffff',
size: fontSize + 'px'
});
scan.setFlash(on);
on = !on;
}
lightImg = new plus.nativeObj.Bitmap('lightImg');
lightView = new plus.nativeObj.View('lightView', {
width: viewWidth + 'px',
height: viewWidth + 'px',
top: window.innerHeight / 2 + 50 + 'px',
left: (window.innerWidth - viewWidth) / 2 + 'px',
position: 'static'
});
lightView.addEventListener('click', function() {
changeType();
});
plus.webview.currentWebview().append(lightView);
changeType();
}
document.addEventListener('plusready', function() {
var serviceWebview = plus.webview.getWebviewById('__W2A_CONTEXT_') || plus.webview.getLaunchWebview();
plus.key.addEventListener('backbutton', function() {
back(true);
});
setTimeout(function() {
var webview = plus.webview.currentWebview();
scan = new plus.barcode.Barcode('scan', webview.__uniapp_scan_type, {
frameColor: '#118CE9',
scanbarColor: '#118CE9'
}, webview.__uniapp_auto_decode_char_set);
scan.onmarked = function(type, code, file, charSet) {
var res = {
type: type,
code: code,
charSet: charSet
};
back()
plus.webview.postMessageToUniNView({
type: 'scanCode',
args: res
}, '__uniapp__service');
};
scan.onerror = function(error) {
back()
plus.webview.postMessageToUniNView({
type: 'scanCode',
args: {
errMsg: error.message + ' error code:' + error.code
}
}, '__uniapp__service');
};
scan.start();
drawLight();
}, 500)
})
</script>
</body>
</html>