526 lines
19 KiB
HTML
526 lines
19 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>OCR图像识别测试</title>
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<style>
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body {
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font-family: 'Microsoft YaHei', Arial, sans-serif;
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background-color: #f5f7fa;
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margin: 0;
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padding: 20px;
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color: #333;
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line-height: 1.6;
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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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background: white;
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padding: 25px;
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border-radius: 8px;
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box-shadow: 0 2px 10px rgba(0,0,0,0.1);
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}
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h1 {
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text-align: center;
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color: #2c3e50;
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margin-bottom: 30px;
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border-bottom: 2px solid #eee;
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padding-bottom: 15px;
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}
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.subtitle {
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color: #7f8c8d;
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text-align: center;
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margin-top: -20px;
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margin-bottom: 30px;
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}
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.upload-container {
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border: 2px dashed #3498db;
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border-radius: 8px;
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padding: 40px;
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text-align: center;
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margin-bottom: 20px;
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background-color: #f8fafc;
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transition: background-color 0.3s;
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}
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.upload-container.dragover {
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background-color: #e1f0fa;
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}
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.upload-container p {
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margin: 0;
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color: #7f8c8d;
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}
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.upload-icon {
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font-size: 50px;
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color: #3498db;
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margin-bottom: 15px;
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}
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.file-input {
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display: none;
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}
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.upload-btn, .ocr-btn {
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background-color: #3498db;
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color: white;
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padding: 10px 20px;
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border: none;
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border-radius: 4px;
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cursor: pointer;
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font-size: 16px;
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transition: background-color 0.3s;
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margin: 10px 5px;
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}
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.upload-btn:hover, .ocr-btn:hover {
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background-color: #2980b9;
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}
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.ocr-btn {
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background-color: #2ecc71;
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display: none;
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}
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.ocr-btn:hover {
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background-color: #27ae60;
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}
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.ocr-btn:disabled {
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background-color: #95a5a6;
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cursor: not-allowed;
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}
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.preview-container {
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margin-top: 20px;
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text-align: center;
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}
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.image-preview {
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max-width: 100%;
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max-height: 400px;
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border-radius: 4px;
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box-shadow: 0 2px 5px rgba(0,0,0,0.1);
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display: none;
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}
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.settings {
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background-color: #f8fafc;
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padding: 15px;
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border-radius: 8px;
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margin: 20px 0;
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display: none;
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}
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.settings h3 {
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margin-top: 0;
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color: #2c3e50;
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}
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.form-group {
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margin-bottom: 15px;
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}
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.form-group label {
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display: block;
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margin-bottom: 5px;
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font-weight: bold;
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color: #34495e;
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}
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.form-control {
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width: 100%;
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padding: 10px;
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border: 1px solid #ddd;
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border-radius: 4px;
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box-sizing: border-box;
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font-family: inherit;
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font-size: 16px;
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}
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.results {
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margin-top: 30px;
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display: none;
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}
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.tabs {
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display: flex;
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border-bottom: 1px solid #ddd;
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margin-bottom: 20px;
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}
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.tab {
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padding: 10px 20px;
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cursor: pointer;
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border: 1px solid transparent;
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border-radius: 4px 4px 0 0;
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margin-right: 5px;
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background-color: #f8f9fa;
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}
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.tab.active {
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border: 1px solid #ddd;
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border-bottom-color: white;
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background-color: white;
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font-weight: bold;
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}
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.tab-content {
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display: none;
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padding: 20px;
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border: 1px solid #ddd;
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border-top: none;
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border-radius: 0 0 4px 4px;
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}
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.tab-content.active {
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display: block;
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}
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.ocr-text {
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background-color: #f8f9fa;
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padding: 15px;
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border-radius: 4px;
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white-space: pre-wrap;
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font-family: 'Courier New', monospace;
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line-height: 1.5;
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max-height: 300px;
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overflow-y: auto;
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border: 1px solid #ddd;
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}
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.processing-info {
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margin-top: 20px;
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padding: 15px;
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background-color: #f0f7fb;
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border-radius: 4px;
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border-left: 5px solid #3498db;
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}
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.method-result {
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margin: 10px 0;
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padding: 15px;
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background-color: #f8fafc;
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border-radius: 4px;
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border: 1px solid #ddd;
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}
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.method-result h4 {
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margin-top: 0;
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color: #2c3e50;
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}
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.confidence-bar {
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height: 10px;
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background-color: #ecf0f1;
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border-radius: 5px;
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margin: 5px 0;
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position: relative;
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}
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.confidence-value {
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height: 100%;
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background-color: #2ecc71;
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border-radius: 5px;
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position: absolute;
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left: 0;
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top: 0;
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}
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.processed-images {
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display: flex;
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flex-wrap: wrap;
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gap: 15px;
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margin-top: 20px;
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}
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.processed-image {
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max-width: calc(50% - 15px);
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border: 1px solid #ddd;
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border-radius: 4px;
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padding: 10px;
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box-shadow: 0 1px 3px rgba(0,0,0,0.1);
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background-color: white;
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}
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.processed-image h4 {
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margin-top: 0;
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text-align: center;
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color: #2c3e50;
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font-size: 14px;
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}
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.processed-image img {
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max-width: 100%;
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border-radius: 4px;
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}
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.loader {
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border: 5px solid #f3f3f3;
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border-top: 5px solid #3498db;
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border-radius: 50%;
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width: 30px;
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height: 30px;
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animation: spin 2s linear infinite;
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margin: 20px auto;
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display: none;
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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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.error-message {
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color: #e74c3c;
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padding: 10px;
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background-color: #fadbd8;
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border-radius: 4px;
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margin: 20px 0;
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display: none;
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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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<h1>OCR图像识别测试</h1>
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<p class="subtitle">上传图片并测试文字识别效果</p>
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<div class="upload-container" id="uploadContainer">
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<div class="upload-icon">📁</div>
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<p>拖放图片到这里，或点击上传</p>
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<input type="file" id="fileInput" class="file-input" accept="image/*">
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<button class="upload-btn" id="uploadBtn">选择图片</button>
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</div>
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<div class="preview-container">
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<img id="imagePreview" class="image-preview">
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</div>
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<div class="settings" id="settings">
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<h3>OCR设置</h3>
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<div class="form-group">
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<label for="langSelect">识别语言</label>
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<select id="langSelect" class="form-control">
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<option value="chi_sim+eng" selected>中文简体+英文</option>
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<option value="chi_sim">中文简体</option>
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<option value="eng">英文</option>
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<option value="chi_tra">中文繁体</option>
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<option value="jpn">日语</option>
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<option value="kor">韩语</option>
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<option value="rus">俄语</option>
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</select>
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</div>
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<div class="form-group">
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<label for="modeSelect">处理模式</label>
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<select id="modeSelect" class="form-control">
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<option value="auto" selected>自动模式</option>
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<option value="standard">标准模式</option>
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<option value="chinese">中文优化</option>
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<option value="advanced">高级模式</option>
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</select>
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</div>
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<button class="ocr-btn" id="ocrBtn">执行OCR</button>
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</div>
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<div class="loader" id="loader"></div>
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<div class="error-message" id="errorMessage"></div>
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<div class="results" id="results">
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<div class="tabs">
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<div class="tab active" data-tab="text">识别文本</div>
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<div class="tab" data-tab="details">处理详情</div>
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<div class="tab" data-tab="images">处理图像</div>
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</div>
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<div class="tab-content active" id="textContent">
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<h3>OCR识别结果</h3>
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<div class="ocr-text" id="ocrText"></div>
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<div class="processing-info" id="processingInfo"></div>
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</div>
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<div class="tab-content" id="detailsContent">
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<h3>处理方法详情</h3>
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<div id="methodsList"></div>
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</div>
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<div class="tab-content" id="imagesContent">
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<h3>处理后的图像</h3>
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<div class="processed-images" id="processedImages"></div>
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</div>
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</div>
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</div>
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<script>
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document.addEventListener('DOMContentLoaded', function() {
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const uploadContainer = document.getElementById('uploadContainer');
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const fileInput = document.getElementById('fileInput');
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const uploadBtn = document.getElementById('uploadBtn');
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const imagePreview = document.getElementById('imagePreview');
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const settings = document.getElementById('settings');
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const ocrBtn = document.getElementById('ocrBtn');
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const results = document.getElementById('results');
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const ocrText = document.getElementById('ocrText');
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const processingInfo = document.getElementById('processingInfo');
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const methodsList = document.getElementById('methodsList');
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const processedImages = document.getElementById('processedImages');
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const loader = document.getElementById('loader');
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const errorMessage = document.getElementById('errorMessage');
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const tabs = document.querySelectorAll('.tab');
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const tabContents = document.querySelectorAll('.tab-content');
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// 处理文件选择
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fileInput.addEventListener('change', handleFileSelect);
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uploadBtn.addEventListener('click', () => fileInput.click());
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// 拖放功能
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uploadContainer.addEventListener('dragover', (e) => {
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e.preventDefault();
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uploadContainer.classList.add('dragover');
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});
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uploadContainer.addEventListener('dragleave', () => {
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uploadContainer.classList.remove('dragover');
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});
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uploadContainer.addEventListener('drop', (e) => {
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e.preventDefault();
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uploadContainer.classList.remove('dragover');
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if (e.dataTransfer.files.length > 0) {
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fileInput.files = e.dataTransfer.files;
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handleFileSelect(e);
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}
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});
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// 处理OCR按钮点击
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ocrBtn.addEventListener('click', performOCR);
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// 处理标签页切换
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tabs.forEach(tab => {
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tab.addEventListener('click', () => {
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tabs.forEach(t => t.classList.remove('active'));
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tabContents.forEach(c => c.classList.remove('active'));
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tab.classList.add('active');
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const tabId = tab.getAttribute('data-tab');
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document.getElementById(`${tabId}Content`).classList.add('active');
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});
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});
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function handleFileSelect(e) {
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const file = fileInput.files[0];
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if (!file) return;
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// 检查文件类型
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if (!file.type.match('image.*')) {
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showError('请选择图片文件');
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return;
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}
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// 隐藏之前的错误消息和结果
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errorMessage.style.display = 'none';
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results.style.display = 'none';
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// 更新预览
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const reader = new FileReader();
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reader.onload = function(e) {
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imagePreview.src = e.target.result;
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imagePreview.style.display = 'block';
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settings.style.display = 'block';
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ocrBtn.style.display = 'block';
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ocrBtn.disabled = false;
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};
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reader.readAsDataURL(file);
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}
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function performOCR() {
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const file = fileInput.files[0];
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if (!file) {
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showError('请先选择图片文件');
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return;
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}
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const lang = document.getElementById('langSelect').value;
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const mode = document.getElementById('modeSelect').value;
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// 显示加载状态
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loader.style.display = 'block';
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ocrBtn.disabled = true;
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errorMessage.style.display = 'none';
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results.style.display = 'none';
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// 创建FormData对象
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const formData = new FormData();
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formData.append('image', file);
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formData.append('lang', lang);
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formData.append('mode', mode);
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// 发送OCR请求
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fetch('/api/ocr', {
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method: 'POST',
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body: formData
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})
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.then(response => {
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if (!response.ok) {
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return response.json().then(err => {
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throw new Error(err.detail || '处理图片时出错');
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});
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}
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return response.json();
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})
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.then(data => {
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// 隐藏加载状态
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loader.style.display = 'none';
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// 显示OCR结果
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ocrText.textContent = data.text || '未识别到文本';
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// 显示处理信息
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processingInfo.innerHTML = `
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<p><strong>处理时间:</strong> ${data.processing_time.toFixed(2)}秒</p>
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<p><strong>识别语言:</strong> ${data.lang}</p>
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<p><strong>处理模式:</strong> ${getModeLabel(data.mode)}</p>
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<p><strong>识别文本长度:</strong> ${data.text ? data.text.length : 0}个字符</p>
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`;
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// 显示处理方法详情
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methodsList.innerHTML = '';
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if (data.methods && data.methods.length > 0) {
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data.methods.forEach(method => {
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const methodDiv = document.createElement('div');
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methodDiv.className = 'method-result';
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const confidencePercent = method.confidence || 0;
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methodDiv.innerHTML = `
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<h4>${method.name}</h4>
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<p><strong>文本长度:</strong> ${method.length} 字符</p>
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<p><strong>置信度:</strong> ${confidencePercent.toFixed(2)}%</p>
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<div class="confidence-bar">
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<div class="confidence-value" style="width: ${Math.min(100, confidencePercent)}%"></div>
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</div>
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<p><strong>文本块数:</strong> ${method.blocks}</p>
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<div class="ocr-text">${method.text || '未识别到文本'}</div>
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`;
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methodsList.appendChild(methodDiv);
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});
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} else {
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methodsList.innerHTML = '<p>没有可用的处理方法详情</p>';
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}
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// 显示处理后的图像
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processedImages.innerHTML = '';
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if (data.processed_images && data.processed_images.length > 0) {
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data.processed_images.forEach(img => {
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const imgDiv = document.createElement('div');
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imgDiv.className = 'processed-image';
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imgDiv.innerHTML = `
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<h4>${img.name}</h4>
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<img src="${img.url}" alt="${img.name}">
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`;
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processedImages.appendChild(imgDiv);
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});
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} else {
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processedImages.innerHTML = '<p>没有处理后的图像可供显示</p>';
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}
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// 显示结果区域
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results.style.display = 'block';
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// 恢复OCR按钮
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ocrBtn.disabled = false;
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})
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.catch(error => {
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console.error('OCR处理失败:', error);
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loader.style.display = 'none';
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ocrBtn.disabled = false;
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showError(error.message || '处理图片时出错，请重试');
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});
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}
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function showError(message) {
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errorMessage.textContent = message;
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errorMessage.style.display = 'block';
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}
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function getModeLabel(mode) {
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const modes = {
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'auto': '自动模式',
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'standard': '标准模式',
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'chinese': '中文优化',
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'advanced': '高级模式'
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};
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return modes[mode] || mode;
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}
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});
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</script>
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</body>
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</html> |