502 lines
16 KiB
HTML
502 lines
16 KiB
HTML
<!DOCTYPE html>
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<html lang="zh-CN">
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<head>
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title>智能知识库问答系统</title>
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<style>
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* {
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margin: 0;
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padding: 0;
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box-sizing: border-box;
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}
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body {
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font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
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background: #f5f5f7;
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min-height: 100vh;
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padding: 20px;
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color: #1d1d1f;
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}
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.container {
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max-width: 800px;
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margin: 40px auto;
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background: white;
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border-radius: 18px;
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box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
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padding: 40px;
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}
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h1 {
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text-align: center;
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color: #1d1d1f;
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margin-bottom: 10px;
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font-size: 2.2em;
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font-weight: 700;
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}
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h3 {
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color: #1d1d1f;
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margin-bottom: 24px;
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font-size: 1.3em;
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font-weight: 600;
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}
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.section {
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margin-bottom: 40px;
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padding: 24px;
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background: #ffffff;
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border-radius: 12px;
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border: 1px solid #e6e6e6;
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}
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.form-group {
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margin-bottom: 24px;
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}
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label {
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display: block;
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font-size: 1em;
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margin-bottom: 8px;
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color: #86868b;
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font-weight: 500;
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}
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input[type="text"], input[type="file"] {
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width: 100%;
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padding: 12px 16px;
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font-size: 1.05em;
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border: 1px solid #d2d2d7;
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border-radius: 8px;
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transition: border-color 0.2s, background-color 0.2s;
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background: #ffffff;
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}
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input[type="text"]:focus, input[type="file"]:focus {
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outline: none;
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border-color: #0071e3;
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background: #ffffff;
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}
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button {
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display: inline-block;
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padding: 12px 24px;
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font-size: 1em;
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background: #0071e3;
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color: white;
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border: none;
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border-radius: 980px;
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cursor: pointer;
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transition: background-color 0.2s;
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font-weight: 600;
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margin-right: 10px;
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}
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button:hover {
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background: #0077ed;
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}
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button:disabled {
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background: #d1d1d6;
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color: #86868b;
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cursor: not-allowed;
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}
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.response-box {
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margin-top: 16px;
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padding: 20px;
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background: white;
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border-radius: 12px;
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border: 1px solid #e6e6e6;
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min-height: 120px;
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font-size: 1em;
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line-height: 1.7;
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color: #1d1d1f;
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white-space: pre-wrap;
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}
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.loading {
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display: inline-block;
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width: 16px;
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height: 16px;
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border: 2px solid rgba(255,255,255,.3);
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border-radius: 50%;
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border-top-color: #fff;
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animation: spin 1s linear infinite;
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margin-right: 8px;
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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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#document-list {
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margin-top: 16px;
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}
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.document-item {
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padding: 16px;
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background: white;
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border-radius: 12px;
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margin-bottom: 8px;
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border: 1px solid #e6e6e6;
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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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}
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.document-info {
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flex: 1;
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}
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.document-title {
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font-weight: 600;
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color: #1d1d1f;
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margin-bottom: 4px;
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}
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.document-meta {
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font-size: 0.9em;
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color: #86868b;
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}
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.delete-btn {
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background: #ff453a;
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padding: 8px 16px;
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font-size: 0.9em;
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}
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.delete-btn:hover {
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background: #ff3b30;
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}
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.success-message, .error-message {
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padding: 12px 16px;
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border-radius: 12px;
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margin-bottom: 16px;
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font-weight: 600;
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}
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.success-message {
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background: #32d74b;
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color: white;
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}
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.error-message {
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background: #ff453a;
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color: white;
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}
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@media (max-width: 768px) {
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body {
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padding: 16px;
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}
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.container {
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padding: 24px;
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margin: 16px auto;
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}
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h1 {
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font-size: 1.8em;
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}
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.section {
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padding: 16px;
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}
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button {
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width: 100%;
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margin-right: 0;
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margin-bottom: 12px;
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}
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.document-item {
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flex-direction: column;
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align-items: flex-start;
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}
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.delete-btn {
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width: auto;
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margin-top: 12px;
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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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<h1>智能知识库问答系统</h1>
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<!-- 文档上传区 -->
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<div class="section">
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<h3>文档上传</h3>
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<div id="upload-message"></div>
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<div class="form-group">
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<label for="file-upload">选择文档（支持PDF、Word、TXT）：</label>
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<input type="file" id="file-upload" accept=".pdf,.doc,.docx,.txt">
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</div>
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<div class="form-group">
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<label for="document-title">文档标题（可选）：</label>
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<input type="text" id="document-title" placeholder="为文档添加标题...">
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</div>
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<button id="upload-btn" onclick="uploadDocument()">上传文档</button>
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</div>
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<!-- 知识库管理区 -->
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<div class="section">
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<h3>知识库管理</h3>
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<button id="refresh-btn" onclick="loadDocuments()">刷新文档列表</button>
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<div id="document-list">
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<p>点击刷新按钮查看已上传的文档...</p>
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</div>
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</div>
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<!-- 问答区 -->
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<div class="section">
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<h3>知识库问答</h3>
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<div class="form-group">
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<label for="question">请输入您的问题：</label>
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<input type="text" id="question" placeholder="例如：什么是Python？">
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</div>
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<button id="ask-btn" onclick="askQuestion()">提问</button>
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<div class="response-box" id="answer">
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输入问题并点击提问按钮获取答案...
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</div>
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</div>
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</div>
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<script>
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// 页面加载时加载文档列表
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document.addEventListener('DOMContentLoaded', function() {
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loadDocuments();
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});
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// 上传文档
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function uploadDocument() {
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const fileInput = document.getElementById('file-upload');
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const titleInput = document.getElementById('document-title');
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const uploadBtn = document.getElementById('upload-btn');
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const uploadMessage = document.getElementById('upload-message');
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// 检查是否选择了文件
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if (!fileInput.files || fileInput.files.length === 0) {
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showMessage(uploadMessage, '请选择一个文件', 'error');
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return;
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}
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const file = fileInput.files[0];
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const title = titleInput.value;
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// 重置消息
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uploadMessage.innerHTML = '';
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// 禁用按钮并显示加载状态
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uploadBtn.disabled = true;
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uploadBtn.innerHTML = '<span class="loading"></span>正在上传...';
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// 创建表单数据
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const formData = new FormData();
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formData.append('file', file);
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if (title) {
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formData.append('title', title);
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}
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// 发送请求
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fetch('/upload', {
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method: 'POST',
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body: formData
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})
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.then(response => response.json())
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.then(data => {
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if (data.success) {
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showMessage(uploadMessage, `文档上传成功！已处理 ${data.count} 个文档块`, 'success');
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// 重置表单
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fileInput.value = '';
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titleInput.value = '';
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// 更新文档列表
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loadDocuments();
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} else {
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showMessage(uploadMessage, `上传失败：${data.error}`, 'error');
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}
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})
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.catch(error => {
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showMessage(uploadMessage, `上传失败：${error.message}`, 'error');
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})
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.finally(() => {
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// 恢复按钮状态
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uploadBtn.disabled = false;
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uploadBtn.innerHTML = '上传文档';
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});
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}
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// 加载文档列表
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function loadDocuments() {
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const documentList = document.getElementById('document-list');
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const refreshBtn = document.getElementById('refresh-btn');
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// 禁用按钮并显示加载状态
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refreshBtn.disabled = true;
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refreshBtn.innerHTML = '<span class="loading"></span>正在加载...';
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// 发送请求
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fetch('/documents')
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.then(response => response.json())
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.then(data => {
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if (data.success) {
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if (data.documents.length === 0) {
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documentList.innerHTML = '<p>知识库中暂无文档，请先上传文档...</p>';
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} else {
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// 按文档分组显示
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const documentsByFile = {};
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data.documents.forEach(doc => {
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const fileName = doc.parent_file || '未知文件';
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if (!documentsByFile[fileName]) {
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documentsByFile[fileName] = [];
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}
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documentsByFile[fileName].push(doc);
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});
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let html = '';
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for (const fileName in documentsByFile) {
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const docs = documentsByFile[fileName];
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const firstDoc = docs[0];
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html += `
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<div class="document-item">
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<div class="document-info">
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<div class="document-title">${firstDoc.metadata?.title || fileName}</div>
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<div class="document-meta">
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文档块数量: ${docs.length} | 上传时间: ${new Date(firstDoc.timestamp).toLocaleString()}
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</div>
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</div>
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<button class="delete-btn" onclick="deleteDocument('${firstDoc.id}')">删除</button>
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</div>
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`;
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}
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documentList.innerHTML = html;
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}
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} else {
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documentList.innerHTML = `<p class="error-message">加载失败：${data.error}</p>`;
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}
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})
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.catch(error => {
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documentList.innerHTML = `<p class="error-message">加载失败：${error.message}</p>`;
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})
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.finally(() => {
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// 恢复按钮状态
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refreshBtn.disabled = false;
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refreshBtn.innerHTML = '刷新文档列表';
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});
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}
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// 删除文档
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function deleteDocument(documentId) {
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if (!confirm('确定要删除这个文档吗？')) {
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return;
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}
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// 发送请求
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fetch(`/documents/${documentId}`, {
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method: 'DELETE'
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})
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.then(response => response.json())
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.then(data => {
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if (data.success) {
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// 更新文档列表
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loadDocuments();
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} else {
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alert(`删除失败：${data.error}`);
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}
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})
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.catch(error => {
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alert(`删除失败：${error.message}`);
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});
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}
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// 提问
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function askQuestion() {
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const questionInput = document.getElementById('question');
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const askBtn = document.getElementById('ask-btn');
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const answerBox = document.getElementById('answer');
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const question = questionInput.value.trim();
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if (!question) {
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alert('请输入问题');
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return;
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}
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// 重置内容
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answerBox.textContent = '';
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// 禁用按钮并显示加载状态
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askBtn.disabled = true;
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askBtn.innerHTML = '<span class="loading"></span>正在思考...';
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// 发送请求
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fetch('/ask', {
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method: 'POST',
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headers: {
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'Content-Type': 'application/json'
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},
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body: JSON.stringify({ query: question })
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})
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.then(response => {
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if (!response.ok) {
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throw new Error('问答失败');
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}
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// 处理流式响应
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const reader = response.body.getReader();
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const decoder = new TextDecoder('utf-8');
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function read() {
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return reader.read().then(({ done, value }) => {
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if (done) {
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return;
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}
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// 解码并显示内容
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const chunk = decoder.decode(value, { stream: true });
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answerBox.textContent += chunk;
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// 继续读取
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return read();
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});
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}
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return read();
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})
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.catch(error => {
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answerBox.textContent = `问答失败：${error.message}`;
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})
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.finally(() => {
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// 恢复按钮状态
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askBtn.disabled = false;
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askBtn.innerHTML = '提问';
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});
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}
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// 显示消息
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function showMessage(element, message, type) {
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const messageElement = document.createElement('div');
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messageElement.className = type === 'success' ? 'success-message' : 'error-message';
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messageElement.textContent = message;
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element.innerHTML = '';
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element.appendChild(messageElement);
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// 3秒后自动隐藏
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setTimeout(() => {
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messageElement.remove();
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}, 3000);
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}
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// 按下Enter键也可以提问
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document.getElementById('question').addEventListener('keypress', function(e) {
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if (e.key === 'Enter') {
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askQuestion();
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}
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});
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</script>
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</body>
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</html>
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