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2025-12-14 16:17:15 +08:00
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26
本地网页配置示例/aboutpage/about.html Normal file
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<!doctype html>
<html lang="zh-CN">
<head>
<meta charset="utf-8" />
<meta name="viewport" content="width=device-width, initial-scale=1" />
<title>关于 - WebToApp 示例</title>
<style>
body { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif; margin: 24px; }
h1 { margin-bottom: 8px; }
p { line-height: 1.6; }
.note { padding: 12px; background: #f5f5f5; border-radius: 8px; }
</style>
</head>
<body>
<h1>关于</h1>
<p>这是用于演示的关于页面，展示从应用内打开本地 HTML 的能力。</p>
<div class="note">
<p>本应用由 WPF + WebView2 构建，支持：</p>
<ul>
<li>加载在线或本地网页</li>
<li>自定义右键菜单</li>
<li>拦截并保存 data/blob/同域下载</li>
</ul>
</div>
</body>
</html>

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iVBORw0KGgoAAAANSUhEUgAAAEAAAABACAYAAACqaXHeAAAAGXRFWHRTb2Z0d2FyZQBBZG9iZSBJbWFnZVJlYWR5ccllPAAAABh0RVh0Q3JlYXRpb24gVGltZQAyMDI1LTAxLTAxVDEyOjAwOjAwW7vWJQAAAQ1JREFUeNrs1kENgDAMQ9G9/5+S0YF4pG3lI1oIuJmYQ8NwJdC0xgq7r9q+3QAAACcWcH9yJwAAABgqY7tJwAAABgqY7tJwAAABgqY7tJwAAABgqY7tJwAAABgqY7tJwAAABgqY7tJwAAABgqY7tJwAAABgqY7tJwAAABgqY7tJwAAABi8BfC8YwAAAOw3oQIAAAD8fV8AAAAAANoYAwAAAPx9XwAAAADaGAMAAAD8fV8AAAAA2hgDAAAA/H1fAAAAANoYAwAAAPx9XwAAAADaGAMAAAD8fV8AAAAA2vgCkHfXfVQyAAAAAElFTkSuQmCC

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<!doctype html>
<html lang="zh-CN">
<head>
<meta charset="utf-8" />
<meta name="viewport" content="width=device-width, initial-scale=1" />
<title>本地网页示例</title>
<style>
body { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif; margin: 24px; }
h1 { margin-bottom: 8px; }
.card { border: 1px solid #ddd; border-radius: 12px; padding: 16px; margin: 12px 0; box-shadow: 0 2px 8px rgba(0,0,0,0.06); }
button, a.btn { display: inline-block; padding: 8px 14px; border-radius: 8px; border: 1px solid #ccc; text-decoration: none; color: #333; background: #f7f7f7; margin-right: 8px; }
button:hover, a.btn:hover { background: #eee; }
pre { background: #f5f5f5; padding: 12px; border-radius: 8px; overflow: auto; }
</style>
</head>
<body>
<h1>本地网页示例</h1>
<p>用于演示：右键菜单、下载拦截（data/blob/同域）、关于页面。</p>
<div class="card">
<h3>同域下载（静态文件）</h3>
<p>
<a class="btn" href="sample.txt" download>下载文本 sample.txt</a>
<a class="btn" href="images/sample.png" download>下载图片 sample.png</a>
</p>
</div>
<div class="card">
<h3>Data URL 下载（内联文本）</h3>
<button onclick="downloadDataUrl()">下载 data: 文本</button>
<script>
function downloadDataUrl(){
const content = encodeURIComponent('这是来自 data:URL 的文本内容\nHello WebView2!');
const url = 'data:text/plain;charset=utf-8,' + content;
const a = document.createElement('a');
a.href = url; a.download = 'data_text.txt';
a.click(); a.remove();
}
</script>
</div>
<div class="card">
<h3>Blob URL 下载（运行时生成）</h3>
<button onclick="downloadBlob()">下载 blob: 文本</button>
<script>
function downloadBlob(){
const blob = new Blob(['这是来自 blob:URL 的文本内容\nBlob Download Demo'], { type: 'text/plain' });
const url = URL.createObjectURL(blob);
const a = document.createElement('a');
a.href = url; a.download = 'blob_text.txt';
a.click(); a.remove(); URL.revokeObjectURL(url);
}
</script>
</div>
<div class="card">
<h3>右键菜单测试</h3>
<p>在页面空白处点击右键，弹出自定义菜单（返回/刷新/关于）。</p>
</div>
<div class="card">
<h3>关于页面</h3>
<a class="btn" href="#" onclick="openAbout()">打开关于</a>
<script>
function openAbout(){
if (window.chrome && window.chrome.webview) {
window.chrome.webview.postMessage({ type: 'show_about' });
} else {
window.open('about.html', '_blank');
}
}
</script>
</div>
<div class="card">
<h3>示例文件内容</h3>
<pre>
sample.txt 将在同目录下提供。
images/sample.png 将作为占位图片。
</pre>
</div>
</body>
</html>

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本地网页配置示例/web/sample.txt Normal file
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这是一个用于同域下载的示例文本文件。
Hello from WebToApp (WPF + WebView2).