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<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>NgOne</title>
<!-- <base href="/"> -->
<!-- <meta http-equiv="Content-Security-Policy" content="upgrade-insecure-requests">-->
<meta name="viewport" content="width=device-width, initial-scale=1">
<script type="text/javascript" src="//staging-teach.cdn.ireadabc.com/h5template/h5-static-lib/js/air.js"></script>
<style>
.border {
border-radius: 20px;
border-style: dashed;
padding: 20px;
margin: 20px;
width: 800px;
border-radius: 20px;
border-width: 2px;
border-color: #000000;
}
.error {
border-color: red;
}
.right {
border-color: rgb(50, 255, 50);
}
.normal {
border-color: black;
}
</style>
<script>
let saveDataStr = '';
function loadData() {
window.courseware.getData((data, aspect) => {
const textarea = document.getElementById('saveDataTextarea');
textarea.value = JSON.stringify(data);
saveDataStr = textarea.value.trim();
});
}
function saveData() {
const textarea = document.getElementById('saveDataTextarea');
const textareaStr = textarea.value;
if (textareaStr.trim() == saveDataStr.trim()) {
textarea.className = "normal";
return;
}
try {
const data = JSON.parse(textareaStr);
window.courseware.setData(data);
saveDataStr = textarea.value.trim();
textarea.className = "right";
} catch (e) {
textarea.className = "error";
console.error(e);
}
}
</script>
</head>
<body onload="loadData();" style="background-color: white;">
<div class="border">
保存的数据:
<textarea class="normal" style="width: 100%; height: 300px;" id="saveDataTextarea" onBlur="saveData();"></textarea>
</div>
</body>
</html>