904 lines
28 KiB
HTML
904 lines
28 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>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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.view-mode-selector {
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display: flex;
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gap: 8px;
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background: rgba(255, 255, 255, 0.1);
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padding: 4px;
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border-radius: 8px;
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}
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.view-mode-btn {
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padding: 8px 16px;
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border: none;
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background: transparent;
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color: rgba(255, 255, 255, 0.7);
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cursor: pointer;
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border-radius: 6px;
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font-size: 13px;
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font-weight: 500;
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transition: all 0.3s ease;
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}
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.view-mode-btn:hover {
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background: rgba(255, 255, 255, 0.1);
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}
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.view-mode-btn.active {
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background: white;
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color: #667eea;
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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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.office-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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<div class="view-mode-selector" id="viewModeSelector" style="display: none;">
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<button class="view-mode-btn active" data-mode="online" onclick="switchViewMode('online')">在线预览</button>
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<button class="view-mode-btn" data-mode="local" onclick="switchViewMode('local')">本地解析</button>
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</div>
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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 .doc, .docx, .xls, .xlsx, .ppt, .pptx, .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">.doc</span>
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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>
|
||
<span class="format-tag">.ppt</span>
|
||
<span class="format-tag">.pptx</span>
|
||
<span class="format-tag">.pdf</span>
|
||
</div>
|
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</div>
|
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</div>
|
||
|
||
<div class="viewer-area" id="viewerArea">
|
||
<div id="pdfViewerContainer" style="display: none;">
|
||
<iframe class="pdf-viewer" id="pdfViewer"></iframe>
|
||
</div>
|
||
<div id="officeViewerContainer" style="display: none;">
|
||
<iframe class="office-viewer" id="officeViewer"></iframe>
|
||
</div>
|
||
<div id="docViewerContainer" style="display: none;">
|
||
<div class="doc-viewer" id="docViewer"></div>
|
||
</div>
|
||
<div id="excelViewerContainer" style="display: none;">
|
||
<div id="excelSheetTabs" class="excel-sheet-tabs"></div>
|
||
<div class="excel-viewer">
|
||
<table class="excel-table" id="excelViewer"></table>
|
||
</div>
|
||
</div>
|
||
</div>
|
||
|
||
<div class="error" id="errorArea">
|
||
<div class="error-icon">❌</div>
|
||
<div class="error-message" id="errorMessage">文件加载失败</div>
|
||
<div style="display: flex; gap: 12px; justify-content: center;">
|
||
<button class="btn btn-primary" onclick="clearViewer()">
|
||
重新选择文件
|
||
</button>
|
||
<button class="btn btn-secondary" id="tryLocalBtn" style="display: none;" onclick="tryLocalMode()">
|
||
尝试本地解析
|
||
</button>
|
||
</div>
|
||
</div>
|
||
</div>
|
||
|
||
<div class="loading" id="loadingArea">
|
||
<div class="spinner"></div>
|
||
<div class="loading-text" id="loadingText">正在加载文件...</div>
|
||
</div>
|
||
|
||
<input type="file" class="hidden-input" id="fileInput" accept=".doc,.docx,.xls,.xlsx,.ppt,.pptx,.pdf">
|
||
|
||
<script src="https://cdnjs.cloudflare.com/ajax/libs/mammoth/1.6.0/mammoth.browser.min.js"></script>
|
||
<script src="https://cdnjs.cloudflare.com/ajax/libs/xlsx/0.18.5/xlsx.full.min.js"></script>
|
||
|
||
<script>
|
||
let currentFile = null;
|
||
let excelData = null;
|
||
let currentViewMode = 'online';
|
||
let currentFileExt = '';
|
||
let currentFileUrl = null;
|
||
|
||
const fileInput = document.getElementById('fileInput');
|
||
const uploadBox = document.getElementById('uploadBox');
|
||
const uploadArea = document.getElementById('uploadArea');
|
||
const viewerArea = document.getElementById('viewerArea');
|
||
const errorArea = document.getElementById('errorArea');
|
||
const loadingArea = document.getElementById('loadingArea');
|
||
const loadingText = document.getElementById('loadingText');
|
||
const fileInfo = document.getElementById('fileInfo');
|
||
const fileName = document.getElementById('fileName');
|
||
const viewModeSelector = document.getElementById('viewModeSelector');
|
||
const tryLocalBtn = document.getElementById('tryLocalBtn');
|
||
|
||
fileInput.addEventListener('change', handleFileSelect);
|
||
|
||
uploadBox.addEventListener('dragover', (e) => {
|
||
e.preventDefault();
|
||
uploadBox.classList.add('dragover');
|
||
});
|
||
|
||
uploadBox.addEventListener('dragleave', () => {
|
||
uploadBox.classList.remove('dragover');
|
||
});
|
||
|
||
uploadBox.addEventListener('drop', (e) => {
|
||
e.preventDefault();
|
||
uploadBox.classList.remove('dragover');
|
||
const files = e.dataTransfer.files;
|
||
if (files.length > 0) {
|
||
processFile(files[0]);
|
||
}
|
||
});
|
||
|
||
function handleFileSelect(e) {
|
||
const files = e.target.files;
|
||
if (files.length > 0) {
|
||
processFile(files[0]);
|
||
}
|
||
}
|
||
|
||
function processFile(file) {
|
||
currentFile = file;
|
||
currentFileExt = getFileExtension(file.name);
|
||
|
||
showLoading();
|
||
hideAllViews();
|
||
|
||
fileName.textContent = file.name;
|
||
fileInfo.style.display = 'flex';
|
||
|
||
const isOfficeFile = ['doc', 'docx', 'xls', 'xlsx', 'ppt', 'pptx'].includes(currentFileExt);
|
||
viewModeSelector.style.display = isOfficeFile ? 'flex' : 'none';
|
||
|
||
setTimeout(() => {
|
||
try {
|
||
switch (currentFileExt) {
|
||
case 'pdf':
|
||
handlePDF(file);
|
||
break;
|
||
case 'docx':
|
||
case 'doc':
|
||
case 'xlsx':
|
||
case 'xls':
|
||
case 'pptx':
|
||
case 'ppt':
|
||
handleOfficeFile(file);
|
||
break;
|
||
default:
|
||
showError('不支持的文件格式');
|
||
}
|
||
} catch (error) {
|
||
console.error('Error processing file:', error);
|
||
showError('文件处理失败: ' + error.message);
|
||
}
|
||
}, 100);
|
||
}
|
||
|
||
function getFileExtension(filename) {
|
||
return filename.split('.').pop().toLowerCase();
|
||
}
|
||
|
||
function handlePDF(file) {
|
||
currentFileUrl = URL.createObjectURL(file);
|
||
const pdfViewer = document.getElementById('pdfViewer');
|
||
pdfViewer.src = currentFileUrl;
|
||
showViewer('pdf');
|
||
hideLoading();
|
||
}
|
||
|
||
function handleOfficeFile(file) {
|
||
if (currentViewMode === 'online') {
|
||
handleOfficeOnline(file);
|
||
} else {
|
||
handleOfficeLocal(file);
|
||
}
|
||
}
|
||
|
||
function handleOfficeOnline(file) {
|
||
loadingText.textContent = '正在使用Microsoft Office Online加载...';
|
||
|
||
const formData = new FormData();
|
||
formData.append('file', file);
|
||
|
||
currentFileUrl = URL.createObjectURL(file);
|
||
|
||
const officeViewerUrl = 'https://view.officeapps.live.com/op/view.aspx?src=' + encodeURIComponent(currentFileUrl);
|
||
|
||
const officeViewer = document.getElementById('officeViewer');
|
||
officeViewer.src = officeViewerUrl;
|
||
|
||
officeViewer.onload = function() {
|
||
showViewer('office');
|
||
hideLoading();
|
||
};
|
||
|
||
officeViewer.onerror = function() {
|
||
console.log('Office Online Viewer failed, trying local mode');
|
||
tryLocalMode();
|
||
};
|
||
|
||
setTimeout(() => {
|
||
if (loadingArea.classList.contains('active')) {
|
||
tryLocalMode();
|
||
}
|
||
}, 10000);
|
||
}
|
||
|
||
function handleOfficeLocal(file) {
|
||
loadingText.textContent = '正在本地解析文件...';
|
||
|
||
switch (currentFileExt) {
|
||
case 'docx':
|
||
case 'doc':
|
||
handleDocxLocal(file);
|
||
break;
|
||
case 'xlsx':
|
||
case 'xls':
|
||
handleExcelLocal(file);
|
||
break;
|
||
case 'pptx':
|
||
case 'ppt':
|
||
showError('PPT/PPTX文件本地解析不支持，请尝试在线预览模式');
|
||
break;
|
||
}
|
||
}
|
||
|
||
function handleDocxLocal(file) {
|
||
const reader = new FileReader();
|
||
reader.onload = function(e) {
|
||
const arrayBuffer = e.target.result;
|
||
|
||
const options = {
|
||
includeDefaultStyleMap: true,
|
||
styleMap: [
|
||
"p[style-name='Heading 1'] => h1:fresh",
|
||
"p[style-name='Heading 2'] => h2:fresh",
|
||
"p[style-name='Heading 3'] => h3:fresh",
|
||
"p[style-name='Heading 4'] => h4:fresh",
|
||
"p[style-name='Heading 5'] => h5:fresh",
|
||
"p[style-name='Heading 6'] => h6:fresh",
|
||
"p[style-name='Title'] => h1:fresh",
|
||
"p[style-name='Subtitle'] => h2:fresh",
|
||
"p[style-name='Quote'] => blockquote:fresh",
|
||
"p[style-name='Intense Quote'] => blockquote:fresh",
|
||
"r[style-name='Strong'] => strong",
|
||
"r[style-name='Emphasis'] => em",
|
||
"r[style-name='Intense Emphasis'] => em",
|
||
"r[style-name='Subtle Emphasis'] => em"
|
||
]
|
||
};
|
||
|
||
mammoth.convertToHtml({ arrayBuffer: arrayBuffer }, options)
|
||
.then(function(result) {
|
||
const docViewer = document.getElementById('docViewer');
|
||
let html = result.value;
|
||
|
||
html = html
|
||
.replace(/<p>\s*<\/p>/g, '<p> </p>')
|
||
.replace(/\n/g, '')
|
||
.replace(/\t/g, ' ');
|
||
|
||
docViewer.innerHTML = html;
|
||
showViewer('doc');
|
||
hideLoading();
|
||
|
||
if (result.messages.length > 0) {
|
||
console.log('Conversion messages:', result.messages);
|
||
}
|
||
})
|
||
.catch(function(error) {
|
||
console.error('Error converting docx:', error);
|
||
showError('DOCX文件转换失败: ' + error.message);
|
||
});
|
||
};
|
||
|
||
reader.onerror = function() {
|
||
showError('文件读取失败');
|
||
};
|
||
|
||
reader.readAsArrayBuffer(file);
|
||
}
|
||
|
||
function handleExcelLocal(file) {
|
||
const reader = new FileReader();
|
||
reader.onload = function(e) {
|
||
const data = new Uint8Array(e.target.result);
|
||
const workbook = XLSX.read(data, { type: 'array' });
|
||
excelData = workbook;
|
||
|
||
renderSheetTabs();
|
||
renderSheet(workbook.SheetNames[0]);
|
||
showViewer('excel');
|
||
hideLoading();
|
||
};
|
||
|
||
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) {
|
||
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);
|
||
}
|
||
}
|
||
|
||
function switchViewMode(mode) {
|
||
currentViewMode = mode;
|
||
document.querySelectorAll('.view-mode-btn').forEach(btn => {
|
||
btn.classList.toggle('active', btn.dataset.mode === mode);
|
||
});
|
||
|
||
if (currentFile) {
|
||
hideAllViews();
|
||
showLoading();
|
||
handleOfficeFile(currentFile);
|
||
}
|
||
}
|
||
|
||
function tryLocalMode() {
|
||
currentViewMode = 'local';
|
||
document.querySelectorAll('.view-mode-btn').forEach(btn => {
|
||
btn.classList.toggle('active', btn.dataset.mode === 'local');
|
||
});
|
||
|
||
hideAllViews();
|
||
errorArea.classList.remove('active');
|
||
showLoading();
|
||
handleOfficeLocal(currentFile);
|
||
}
|
||
|
||
function showViewer(type) {
|
||
uploadArea.style.display = 'none';
|
||
errorArea.classList.remove('active');
|
||
viewerArea.classList.add('active');
|
||
|
||
document.getElementById('pdfViewerContainer').style.display = 'none';
|
||
document.getElementById('officeViewerContainer').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 'office':
|
||
document.getElementById('officeViewerContainer').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;
|
||
|
||
const isOfficeFile = ['doc', 'docx', 'xls', 'xlsx', 'ppt', 'pptx'].includes(currentFileExt);
|
||
tryLocalBtn.style.display = (isOfficeFile && currentViewMode === 'online') ? 'inline-flex' : 'none';
|
||
}
|
||
|
||
function clearViewer() {
|
||
if (currentFileUrl) {
|
||
URL.revokeObjectURL(currentFileUrl);
|
||
}
|
||
currentFile = null;
|
||
currentFileUrl = null;
|
||
excelData = null;
|
||
currentViewMode = 'online';
|
||
fileInput.value = '';
|
||
|
||
document.getElementById('pdfViewer').src = '';
|
||
document.getElementById('officeViewer').src = '';
|
||
document.getElementById('docViewer').innerHTML = '';
|
||
document.getElementById('excelViewer').innerHTML = '';
|
||
|
||
fileInfo.style.display = 'none';
|
||
viewModeSelector.style.display = 'none';
|
||
viewerArea.classList.remove('active');
|
||
errorArea.classList.remove('active');
|
||
uploadArea.style.display = 'block';
|
||
}
|
||
</script>
|
||
</body>
|
||
</html> |