hz4th_coder
fc43e6e806
改进: - 页面加载等待时间上限提高到 60秒 - 添加等待 networkidle 状态逻辑 - 前端界面增加等待设置说明 - 提示用户针对验证网站设置 10-30秒等待 使用场景: - Cloudflare 等验证网站 - 复杂加载过程网站 - 需要用户确认的页面
488 lines
16 KiB
HTML
488 lines
16 KiB
HTML
<!DOCTYPE html>
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<html lang="zh-CN">
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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">
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<title>Web Capture - 网页截图与代码提取</title>
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<style>
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* {
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margin: 0;
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padding: 0;
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box-sizing: border-box;
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}
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body {
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font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
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background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
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min-height: 100vh;
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padding: 20px;
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}
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.container {
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max-width: 1200px;
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margin: 0 auto;
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}
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.header {
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text-align: center;
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color: white;
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margin-bottom: 30px;
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}
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.header h1 {
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font-size: 2.5em;
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margin-bottom: 10px;
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}
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.header p {
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opacity: 0.9;
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}
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.card {
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background: white;
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border-radius: 16px;
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padding: 30px;
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box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
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margin-bottom: 20px;
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}
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.form-group {
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margin-bottom: 20px;
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}
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label {
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display: block;
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font-weight: 600;
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margin-bottom: 8px;
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color: #333;
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}
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input[type="text"],
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input[type="number"],
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select {
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width: 100%;
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padding: 12px;
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border: 2px solid #e0e0e0;
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border-radius: 8px;
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font-size: 16px;
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transition: border-color 0.3s;
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}
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input:focus,
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select:focus {
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outline: none;
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border-color: #667eea;
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}
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.radio-group {
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display: flex;
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gap: 20px;
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}
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.radio-label {
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display: flex;
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align-items: center;
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gap: 8px;
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cursor: pointer;
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}
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.radio-label input[type="radio"] {
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width: 20px;
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height: 20px;
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}
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.checkbox-group {
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display: flex;
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gap: 20px;
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flex-wrap: wrap;
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}
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.checkbox-label {
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display: flex;
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align-items: center;
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gap: 8px;
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cursor: pointer;
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}
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.checkbox-label input[type="checkbox"] {
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width: 20px;
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height: 20px;
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}
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.row {
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display: grid;
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grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
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gap: 15px;
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}
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.btn {
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background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
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color: white;
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border: none;
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padding: 15px 40px;
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font-size: 18px;
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font-weight: 600;
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border-radius: 8px;
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cursor: pointer;
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transition: transform 0.2s, box-shadow 0.2s;
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width: 100%;
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margin-top: 10px;
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}
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.btn:hover {
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transform: translateY(-2px);
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box-shadow: 0 10px 30px rgba(102, 126, 234, 0.4);
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}
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.btn:active {
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transform: translateY(0);
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}
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.btn:disabled {
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opacity: 0.6;
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cursor: not-allowed;
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transform: none;
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}
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.loading {
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display: none;
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text-align: center;
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padding: 20px;
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}
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.loading.active {
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display: block;
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}
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.spinner {
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border: 4px solid #f3f3f3;
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border-top: 4px solid #667eea;
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border-radius: 50%;
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width: 40px;
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height: 40px;
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animation: spin 1s linear infinite;
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margin: 0 auto 15px;
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}
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@keyframes spin {
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0% { transform: rotate(0deg); }
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100% { transform: rotate(360deg); }
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}
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.result {
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display: none;
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}
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.result.active {
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display: block;
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}
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.result-image {
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width: 100%;
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border-radius: 8px;
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box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
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}
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.result-code {
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background: #1e1e1e;
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color: #d4d4d4;
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padding: 20px;
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border-radius: 8px;
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overflow-x: auto;
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max-height: 600px;
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font-family: 'Courier New', monospace;
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font-size: 14px;
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line-height: 1.6;
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}
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.result-code pre {
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margin: 0;
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white-space: pre-wrap;
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word-wrap: break-word;
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}
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.actions {
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margin-top: 20px;
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display: flex;
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gap: 10px;
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}
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.btn-secondary {
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background: #6c757d;
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padding: 10px 20px;
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font-size: 14px;
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}
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.error {
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background: #fee;
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border: 1px solid #fcc;
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color: #c00;
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padding: 15px;
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border-radius: 8px;
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margin-top: 20px;
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display: none;
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}
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.error.active {
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display: block;
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}
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.api-docs {
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margin-top: 30px;
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padding: 20px;
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background: #f8f9fa;
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border-radius: 8px;
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}
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.api-docs h3 {
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margin-bottom: 15px;
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color: #333;
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}
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.api-docs code {
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background: #e9ecef;
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padding: 2px 6px;
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border-radius: 4px;
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font-size: 14px;
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}
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.api-docs pre {
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background: #1e1e1e;
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color: #d4d4d4;
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padding: 15px;
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border-radius: 8px;
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overflow-x: auto;
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margin-top: 10px;
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}
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</style>
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</head>
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<body>
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<div class="container">
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<div class="header">
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<h1>🌐 Web Capture</h1>
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<p>网页截图与代码提取服务</p>
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</div>
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<div class="card">
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<form id="captureForm">
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<div class="form-group">
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<label for="url">目标网址</label>
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<input type="text" id="url" placeholder="https://example.com" required>
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</div>
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<div class="form-group">
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<label>操作类型</label>
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<div class="radio-group">
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<label class="radio-label">
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<input type="radio" name="action" value="screenshot" checked>
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📸 截图
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</label>
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<label class="radio-label">
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<input type="radio" name="action" value="html">
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📄 提取HTML
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</label>
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</div>
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</div>
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<div class="form-group">
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<label>高级选项</label>
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<div class="checkbox-group">
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<label class="checkbox-label">
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<input type="checkbox" id="fullPage">
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全页截图
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</label>
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</div>
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</div>
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<div class="form-group">
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<label>等待设置（重要！）</label>
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<div class="row">
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<div>
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<label for="waitTime">页面加载等待(ms) ⏱️</label>
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<input type="number" id="waitTime" value="2000" min="0" max="60000" step="500">
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<small style="color: #666; display: block; margin-top: 4px;">某些网站需要较长验证过程，可设置为 10000-30000</small>
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</div>
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<div>
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<label for="scrollTimes">滚动次数（可选）</label>
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<input type="number" id="scrollTimes" value="0" min="0" max="20">
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</div>
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<div>
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<label for="scrollDelay">滚动间隔(ms)</label>
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<input type="number" id="scrollDelay" value="1000" min="500" max="5000" step="100">
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</div>
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</div>
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</div>
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<div class="form-group">
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<label>视口大小</label>
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<div class="row">
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<div>
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<label for="viewportWidth">宽度</label>
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<input type="number" id="viewportWidth" value="1920" min="320" max="3840">
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</div>
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<div>
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<label for="viewportHeight">高度</label>
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<input type="number" id="viewportHeight" value="1080" min="240" max="2160">
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</div>
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</div>
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</div>
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<button type="submit" class="btn" id="submitBtn">
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🚀 开始捕获
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</button>
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</form>
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<div class="loading" id="loading">
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<div class="spinner"></div>
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<p>正在处理，请稍候...</p>
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</div>
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<div class="error" id="error"></div>
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<div class="result" id="result">
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<h3 style="margin-bottom: 15px;">捕获结果</h3>
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<div id="resultContent"></div>
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<div class="actions">
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<button class="btn btn-secondary" onclick="downloadResult()">💾 下载</button>
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<button class="btn btn-secondary" onclick="copyResult()">📋 复制</button>
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<button class="btn btn-secondary" onclick="resetForm()">🔄 重新捕获</button>
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</div>
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</div>
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</div>
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<div class="card api-docs">
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<h3>📚 使用说明</h3>
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<p><strong>重要提示：</strong></p>
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<ul style="margin: 10px 0; line-height: 1.8;">
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<li>⏱️ <strong>页面加载等待</strong>：某些网站需要验证过程（如 Cloudflare），请设置较长时间（10000-30000ms）</li>
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<li>🔄 <strong>滚动次数</strong>：用于加载动态内容（如微博、推特等），建议 3-5 次</li>
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<li>🎯 <strong>全页截图</strong>：滚动加载后建议开启此选项</li>
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</ul>
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<p style="margin-top: 15px;"><strong>API 调用：</strong></p>
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<pre><code>POST /api/capture
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{
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"url": "https://example.com",
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"action": "screenshot", // 或 "html"
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"wait_time": 15000, // 重要！验证网站需设置较长等待
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"scroll_times": 3, // 可选：加载动态内容
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"scroll_delay": 1000, // 可选：滚动间隔
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"full_page": true, // 可选：全页截图
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"backend": "playwright" // 可选：playwright 或 agent-browser
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}</code></pre>
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</div>
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</div>
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<script>
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const form = document.getElementById('captureForm');
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const loading = document.getElementById('loading');
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const result = document.getElementById('result');
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const error = document.getElementById('error');
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const submitBtn = document.getElementById('submitBtn');
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let currentData = null;
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let currentBlob = null;
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form.addEventListener('submit', async (e) => {
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e.preventDefault();
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const url = document.getElementById('url').value;
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const action = document.querySelector('input[name="action"]:checked').value;
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const fullPage = document.getElementById('fullPage').checked;
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const scrollTimes = parseInt(document.getElementById('scrollTimes').value);
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const scrollDelay = parseInt(document.getElementById('scrollDelay').value);
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const waitTime = parseInt(document.getElementById('waitTime').value);
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const viewportWidth = parseInt(document.getElementById('viewportWidth').value);
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const viewportHeight = parseInt(document.getElementById('viewportHeight').value);
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currentData = {
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url,
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action,
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scroll_times: scrollTimes,
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scroll_delay: scrollDelay,
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full_page: fullPage,
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wait_time: waitTime,
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viewport: {
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width: viewportWidth,
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height: viewportHeight
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}
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};
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// 显示加载
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loading.classList.add('active');
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result.classList.remove('active');
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error.classList.remove('active');
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submitBtn.disabled = true;
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try {
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const response = await fetch('/api/capture', {
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method: 'POST',
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headers: {
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'Content-Type': 'application/json'
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},
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body: JSON.stringify(currentData)
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});
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if (!response.ok) {
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const errData = await response.json();
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throw new Error(errData.error || '请求失败');
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}
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if (action === 'screenshot') {
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currentBlob = await response.blob();
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const imageUrl = URL.createObjectURL(currentBlob);
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document.getElementById('resultContent').innerHTML =
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`<img src="${imageUrl}" class="result-image" alt="截图结果">`;
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} else {
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const data = await response.json();
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currentBlob = new Blob([data.html], { type: 'text/html' });
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document.getElementById('resultContent').innerHTML =
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`<div class="result-code"><pre>${escapeHtml(data.html)}</pre></div>`;
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}
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result.classList.add('active');
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} catch (err) {
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error.textContent = '❌ ' + err.message;
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error.classList.add('active');
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} finally {
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loading.classList.remove('active');
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submitBtn.disabled = false;
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}
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});
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function escapeHtml(text) {
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const div = document.createElement('div');
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div.textContent = text;
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return div.innerHTML;
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}
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function downloadResult() {
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if (!currentBlob) return;
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const url = URL.createObjectURL(currentBlob);
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const a = document.createElement('a');
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a.href = url;
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a.download = currentData.action === 'screenshot' ? 'screenshot.png' : 'page.html';
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a.click();
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URL.revokeObjectURL(url);
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}
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function copyResult() {
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if (!currentBlob) return;
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const reader = new FileReader();
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reader.onload = () => {
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navigator.clipboard.writeText(reader.result).then(() => {
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alert('已复制到剪贴板');
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});
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};
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reader.readAsText(currentBlob);
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}
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function resetForm() {
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result.classList.remove('active');
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error.classList.remove('active');
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currentData = null;
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currentBlob = null;
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}
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</script>
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</body>
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</html> |