741 lines
21 KiB
HTML
741 lines
21 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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<link rel="icon" type="image/svg+xml" href="/vite.svg" />
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title>在线文档阅读器</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: 'Segoe UI', Tahoma, Geneva, Verdana, 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: 1400px;
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margin: 0 auto;
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background: white;
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border-radius: 16px;
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box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
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overflow: hidden;
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}
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.header {
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background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
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color: white;
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padding: 24px 32px;
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display: flex;
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justify-content: space-between;
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align-items: center;
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flex-wrap: wrap;
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gap: 16px;
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}
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.header h1 {
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font-size: 24px;
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font-weight: 600;
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}
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.file-info {
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display: flex;
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align-items: center;
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gap: 12px;
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background: rgba(255, 255, 255, 0.2);
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padding: 8px 16px;
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border-radius: 8px;
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}
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.file-name {
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font-size: 14px;
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font-weight: 500;
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}
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.btn {
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padding: 10px 20px;
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border: none;
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border-radius: 8px;
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cursor: pointer;
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font-size: 14px;
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font-weight: 500;
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transition: all 0.3s ease;
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display: inline-flex;
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align-items: center;
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gap: 8px;
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}
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.btn-primary {
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background: white;
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color: #667eea;
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}
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.btn-primary:hover {
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background: #f0f0f0;
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transform: translateY(-2px);
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}
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.btn-secondary {
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background: rgba(255, 255, 255, 0.2);
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color: white;
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}
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.btn-secondary:hover {
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background: rgba(255, 255, 255, 0.3);
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}
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.upload-area {
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padding: 60px 40px;
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text-align: center;
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background: #f8f9fa;
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}
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.upload-box {
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border: 3px dashed #667eea;
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border-radius: 16px;
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padding: 60px 40px;
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background: white;
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transition: all 0.3s ease;
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}
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.upload-box:hover {
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border-color: #764ba2;
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background: #f0f4ff;
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}
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.upload-box.dragover {
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border-color: #764ba2;
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background: #e8ecff;
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transform: scale(1.02);
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}
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.upload-icon {
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font-size: 64px;
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margin-bottom: 16px;
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}
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.upload-text {
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font-size: 18px;
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color: #333;
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margin-bottom: 8px;
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}
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.upload-hint {
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font-size: 14px;
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color: #666;
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margin-bottom: 24px;
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}
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.supported-formats {
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display: flex;
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justify-content: center;
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gap: 12px;
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flex-wrap: wrap;
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margin-top: 20px;
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}
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.format-tag {
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padding: 6px 14px;
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background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
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color: white;
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border-radius: 20px;
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font-size: 12px;
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font-weight: 500;
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}
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.viewer-area {
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display: none;
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min-height: 70vh;
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}
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.viewer-area.active {
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display: block;
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}
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.pdf-viewer {
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width: 100%;
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height: 80vh;
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border: none;
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}
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.doc-viewer {
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padding: 40px;
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max-width: 900px;
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margin: 0 auto;
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line-height: 1.8;
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}
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.doc-viewer h1,
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.doc-viewer h2,
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.doc-viewer h3,
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.doc-viewer h4,
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.doc-viewer h5,
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.doc-viewer h6 {
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margin: 24px 0 12px 0;
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color: #333;
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font-weight: 600;
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}
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.doc-viewer h1 { font-size: 2em; }
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.doc-viewer h2 { font-size: 1.5em; }
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.doc-viewer h3 { font-size: 1.25em; }
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.doc-viewer h4 { font-size: 1.1em; }
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.doc-viewer h5 { font-size: 1em; }
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.doc-viewer h6 { font-size: 0.875em; }
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.doc-viewer p {
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margin: 16px 0;
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color: #333;
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text-align: justify;
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}
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.doc-viewer img {
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max-width: 100%;
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height: auto;
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margin: 16px 0;
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display: block;
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border-radius: 4px;
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}
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.doc-viewer ul,
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.doc-viewer ol {
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margin: 16px 0;
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padding-left: 24px;
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}
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.doc-viewer li {
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margin: 8px 0;
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color: #333;
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}
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.doc-viewer table {
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width: 100%;
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border-collapse: collapse;
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margin: 16px 0;
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}
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.doc-viewer th,
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.doc-viewer td {
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border: 1px solid #ddd;
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padding: 12px;
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text-align: left;
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}
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.doc-viewer th {
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background: #f5f5f5;
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font-weight: 600;
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}
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.doc-viewer blockquote {
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border-left: 4px solid #667eea;
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padding-left: 16px;
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margin: 16px 0;
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color: #666;
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font-style: italic;
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}
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.doc-viewer pre {
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background: #f5f5f5;
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padding: 16px;
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border-radius: 8px;
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overflow-x: auto;
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margin: 16px 0;
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}
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.doc-viewer code {
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background: #f0f0f0;
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padding: 2px 6px;
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border-radius: 4px;
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font-family: 'Courier New', monospace;
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}
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.doc-viewer a {
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color: #667eea;
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text-decoration: none;
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}
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.doc-viewer a:hover {
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text-decoration: underline;
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}
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.excel-viewer {
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padding: 20px;
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overflow-x: auto;
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}
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.excel-sheet-tabs {
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display: flex;
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gap: 4px;
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margin-bottom: 16px;
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padding: 0 20px;
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border-bottom: 2px solid #667eea;
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}
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.sheet-tab {
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padding: 10px 20px;
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background: #f0f0f0;
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border: none;
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border-radius: 8px 8px 0 0;
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cursor: pointer;
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font-weight: 500;
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transition: all 0.3s ease;
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}
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.sheet-tab:hover {
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background: #e0e0e0;
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}
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.sheet-tab.active {
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background: #667eea;
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color: white;
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}
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.excel-table {
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width: 100%;
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border-collapse: collapse;
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font-size: 13px;
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}
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.excel-table th,
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.excel-table td {
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border: 1px solid #ddd;
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padding: 8px 12px;
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text-align: left;
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white-space: nowrap;
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}
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.excel-table th {
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background: #667eea;
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color: white;
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font-weight: 600;
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position: sticky;
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top: 0;
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z-index: 10;
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}
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.excel-table tr:nth-child(even) {
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background: #f9f9f9;
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}
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.excel-table tr:hover {
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background: #f0f4ff;
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}
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.loading {
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display: none;
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position: fixed;
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top: 0;
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left: 0;
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right: 0;
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bottom: 0;
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background: rgba(255, 255, 255, 0.95);
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z-index: 1000;
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justify-content: center;
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align-items: center;
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flex-direction: column;
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gap: 20px;
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}
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.loading.active {
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display: flex;
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}
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.spinner {
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width: 60px;
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height: 60px;
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border: 4px solid #f0f0f0;
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border-top-color: #667eea;
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border-radius: 50%;
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animation: spin 1s linear infinite;
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}
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@keyframes spin {
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to { transform: rotate(360deg); }
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}
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.loading-text {
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font-size: 16px;
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color: #667eea;
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font-weight: 500;
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}
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.error {
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display: none;
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padding: 40px;
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text-align: center;
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background: #fff5f5;
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color: #c53030;
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}
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.error.active {
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display: block;
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}
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.error-icon {
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font-size: 48px;
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margin-bottom: 16px;
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}
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.error-message {
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font-size: 16px;
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margin-bottom: 24px;
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}
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.hidden-input {
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position: absolute;
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opacity: 0;
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width: 0;
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height: 0;
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}
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@media (max-width: 768px) {
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.header {
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flex-direction: column;
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text-align: center;
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}
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.upload-box {
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padding: 40px 20px;
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}
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.upload-icon {
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font-size: 48px;
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}
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.doc-viewer {
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padding: 20px;
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}
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.excel-viewer {
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padding: 10px;
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}
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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>📄 在线文档阅读器</h1>
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<div class="file-info" id="fileInfo" style="display: none;">
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<span class="file-name" id="fileName"></span>
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<button class="btn btn-secondary" onclick="clearViewer()">
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🗑️ 清空预览
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</button>
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</div>
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<div class="header-buttons">
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<button class="btn btn-primary" onclick="document.getElementById('fileInput').click()">
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📁 选择文件
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</button>
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</div>
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</div>
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<div class="upload-area" id="uploadArea">
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<div class="upload-box" id="uploadBox">
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<div class="upload-icon">📤</div>
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<div class="upload-text">拖拽文件到此处或点击选择文件</div>
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<div class="upload-hint">支持 .docx, .xls, .xlsx, .pdf</div>
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<button class="btn btn-primary" onclick="document.getElementById('fileInput').click()">
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选择文件
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</button>
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<div class="supported-formats">
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<span class="format-tag">.docx</span>
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<span class="format-tag">.xls</span>
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<span class="format-tag">.xlsx</span>
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<span class="format-tag">.pdf</span>
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</div>
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</div>
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</div>
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<div class="viewer-area" id="viewerArea">
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<div id="pdfViewerContainer" style="display: none;">
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<iframe class="pdf-viewer" id="pdfViewer"></iframe>
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</div>
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<div id="docViewerContainer" style="display: none;">
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<div class="doc-viewer" id="docViewer"></div>
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</div>
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<div id="excelViewerContainer" style="display: none;">
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<div id="excelSheetTabs" class="excel-sheet-tabs"></div>
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<div class="excel-viewer">
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<table class="excel-table" id="excelViewer"></table>
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</div>
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</div>
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</div>
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<div class="error" id="errorArea">
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<div class="error-icon">❌</div>
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<div class="error-message" id="errorMessage">文件加载失败</div>
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<button class="btn btn-primary" onclick="clearViewer()">
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重新选择文件
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</button>
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</div>
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</div>
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<div class="loading" id="loadingArea">
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<div class="spinner"></div>
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<div class="loading-text" id="loadingText">正在加载文件...</div>
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</div>
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<input type="file" class="hidden-input" id="fileInput" accept=".docx,.xls,.xlsx,.pdf">
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<script src="https://cdnjs.cloudflare.com/ajax/libs/mammoth/1.6.0/mammoth.browser.min.js"></script>
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<script src="https://cdnjs.cloudflare.com/ajax/libs/xlsx/0.18.5/xlsx.full.min.js"></script>
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<script>
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let currentFile = null;
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let excelData = null;
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let currentFileExt = '';
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let currentFileUrl = null;
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const fileInput = document.getElementById('fileInput');
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const uploadBox = document.getElementById('uploadBox');
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const uploadArea = document.getElementById('uploadArea');
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const viewerArea = document.getElementById('viewerArea');
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const errorArea = document.getElementById('errorArea');
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const loadingArea = document.getElementById('loadingArea');
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const loadingText = document.getElementById('loadingText');
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const fileInfo = document.getElementById('fileInfo');
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const fileName = document.getElementById('fileName');
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fileInput.addEventListener('change', handleFileSelect);
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uploadBox.addEventListener('dragover', (e) => {
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e.preventDefault();
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uploadBox.classList.add('dragover');
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});
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uploadBox.addEventListener('dragleave', () => {
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uploadBox.classList.remove('dragover');
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});
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uploadBox.addEventListener('drop', (e) => {
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e.preventDefault();
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uploadBox.classList.remove('dragover');
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const files = e.dataTransfer.files;
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if (files.length > 0) {
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processFile(files[0]);
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}
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});
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function handleFileSelect(e) {
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const files = e.target.files;
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if (files.length > 0) {
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processFile(files[0]);
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}
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}
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function processFile(file) {
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currentFile = file;
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currentFileExt = getFileExtension(file.name);
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showLoading();
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hideAllViews();
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fileName.textContent = file.name;
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fileInfo.style.display = 'flex';
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setTimeout(() => {
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try {
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switch (currentFileExt) {
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case 'pdf':
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handlePDF(file);
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break;
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case 'docx':
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handleDocx(file);
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break;
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case 'xlsx':
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case 'xls':
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handleExcel(file);
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break;
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default:
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showError('不支持的文件格式: ' + currentFileExt);
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}
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} catch (error) {
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console.error('Error processing file:', error);
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showError('文件处理失败: ' + error.message);
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}
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}, 100);
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}
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function getFileExtension(filename) {
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return filename.split('.').pop().toLowerCase();
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}
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function handlePDF(file) {
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currentFileUrl = URL.createObjectURL(file);
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const pdfViewer = document.getElementById('pdfViewer');
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pdfViewer.src = currentFileUrl;
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showViewer('pdf');
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hideLoading();
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}
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function handleDocx(file) {
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const reader = new FileReader();
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reader.onload = function(e) {
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const arrayBuffer = e.target.result;
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mammoth.convertToHtml({ arrayBuffer: arrayBuffer })
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.then(function(result) {
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const docViewer = document.getElementById('docViewer');
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let html = result.value;
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docViewer.innerHTML = html;
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showViewer('doc');
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hideLoading();
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if (result.messages.length > 0) {
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console.log('Conversion messages:', result.messages);
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}
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})
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.catch(function(error) {
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console.error('Error converting docx:', error);
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showError('DOCX文件转换失败: ' + error.message);
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});
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|
};
|
|
|
|
reader.onerror = function() {
|
|
showError('文件读取失败');
|
|
};
|
|
|
|
reader.readAsArrayBuffer(file);
|
|
}
|
|
|
|
function handleExcel(file) {
|
|
const reader = new FileReader();
|
|
reader.onload = function(e) {
|
|
try {
|
|
const data = new Uint8Array(e.target.result);
|
|
const workbook = XLSX.read(data, { type: 'array' });
|
|
excelData = workbook;
|
|
|
|
renderSheetTabs();
|
|
renderSheet(workbook.SheetNames[0]);
|
|
showViewer('excel');
|
|
hideLoading();
|
|
} catch (error) {
|
|
console.error('Error reading Excel:', error);
|
|
showError('Excel文件读取失败: ' + error.message);
|
|
}
|
|
};
|
|
|
|
reader.onerror = function() {
|
|
showError('文件读取失败');
|
|
};
|
|
|
|
reader.readAsArrayBuffer(file);
|
|
}
|
|
|
|
function renderSheetTabs() {
|
|
const tabsContainer = document.getElementById('excelSheetTabs');
|
|
tabsContainer.innerHTML = '';
|
|
|
|
excelData.SheetNames.forEach((sheetName, index) => {
|
|
const tab = document.createElement('button');
|
|
tab.className = 'sheet-tab' + (index === 0 ? ' active' : '');
|
|
tab.textContent = sheetName;
|
|
tab.onclick = function() {
|
|
document.querySelectorAll('.sheet-tab').forEach(t => t.classList.remove('active'));
|
|
this.classList.add('active');
|
|
renderSheet(sheetName);
|
|
};
|
|
tabsContainer.appendChild(tab);
|
|
});
|
|
}
|
|
|
|
function renderSheet(sheetName) {
|
|
try {
|
|
const sheet = excelData.Sheets[sheetName];
|
|
const html = XLSX.utils.sheet_to_html(sheet, {
|
|
id: 'excelViewer',
|
|
editable: false,
|
|
header: '',
|
|
footer: ''
|
|
});
|
|
|
|
const container = document.getElementById('excelViewerContainer');
|
|
const tableContainer = container.querySelector('.excel-viewer');
|
|
|
|
const tempDiv = document.createElement('div');
|
|
tempDiv.innerHTML = html;
|
|
const table = tempDiv.querySelector('table');
|
|
if (table) {
|
|
table.className = 'excel-table';
|
|
tableContainer.innerHTML = '';
|
|
tableContainer.appendChild(table);
|
|
}
|
|
} catch (error) {
|
|
console.error('Error rendering sheet:', error);
|
|
showError('表格渲染失败: ' + error.message);
|
|
}
|
|
}
|
|
|
|
function showViewer(type) {
|
|
uploadArea.style.display = 'none';
|
|
errorArea.classList.remove('active');
|
|
viewerArea.classList.add('active');
|
|
|
|
document.getElementById('pdfViewerContainer').style.display = 'none';
|
|
document.getElementById('docViewerContainer').style.display = 'none';
|
|
document.getElementById('excelViewerContainer').style.display = 'none';
|
|
|
|
switch (type) {
|
|
case 'pdf':
|
|
document.getElementById('pdfViewerContainer').style.display = 'block';
|
|
break;
|
|
case 'doc':
|
|
document.getElementById('docViewerContainer').style.display = 'block';
|
|
break;
|
|
case 'excel':
|
|
document.getElementById('excelViewerContainer').style.display = 'block';
|
|
break;
|
|
}
|
|
}
|
|
|
|
function hideAllViews() {
|
|
viewerArea.classList.remove('active');
|
|
uploadArea.style.display = 'none';
|
|
errorArea.classList.remove('active');
|
|
}
|
|
|
|
function showLoading() {
|
|
loadingArea.classList.add('active');
|
|
loadingText.textContent = '正在加载文件...';
|
|
}
|
|
|
|
function hideLoading() {
|
|
loadingArea.classList.remove('active');
|
|
}
|
|
|
|
function showError(message) {
|
|
hideLoading();
|
|
hideAllViews();
|
|
errorArea.classList.add('active');
|
|
document.getElementById('errorMessage').textContent = message;
|
|
}
|
|
|
|
function clearViewer() {
|
|
if (currentFileUrl) {
|
|
URL.revokeObjectURL(currentFileUrl);
|
|
}
|
|
currentFile = null;
|
|
currentFileUrl = null;
|
|
excelData = null;
|
|
fileInput.value = '';
|
|
|
|
document.getElementById('pdfViewer').src = '';
|
|
document.getElementById('docViewer').innerHTML = '';
|
|
document.getElementById('excelViewer').innerHTML = '';
|
|
|
|
fileInfo.style.display = 'none';
|
|
viewerArea.classList.remove('active');
|
|
errorArea.classList.remove('active');
|
|
uploadArea.style.display = 'block';
|
|
}
|
|
</script>
|
|
</body>
|
|
</html> |