Initial release: CPCHECK cloud port detection tool
Web-based TCP/UDP port checker with firewall/GFW diagnosis, PM2 deployment config, and Ubuntu one-click install script. Co-authored-by: Cursor <cursoragent@cursor.com>
This commit is contained in:
dekun
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:root {
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--bg: #0f1419;
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--surface: #1a2332;
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--surface-hover: #243044;
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--border: #2d3a4f;
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--text: #e7ecf3;
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--text-muted: #8b9cb3;
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--primary: #3b82f6;
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--primary-hover: #2563eb;
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--success: #22c55e;
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--warning: #f59e0b;
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--danger: #ef4444;
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--info: #06b6d4;
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--radius: 10px;
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}
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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, "Helvetica Neue", Arial, sans-serif;
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background: var(--bg);
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color: var(--text);
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min-height: 100vh;
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line-height: 1.6;
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}
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.container {
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max-width: 800px;
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margin: 0 auto;
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padding: 2rem 1.5rem;
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min-height: 100vh;
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display: flex;
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flex-direction: column;
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}
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header {
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text-align: center;
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margin-bottom: 2.5rem;
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}
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header h1 {
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font-size: 2rem;
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font-weight: 700;
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letter-spacing: 0.05em;
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background: linear-gradient(135deg, var(--primary), var(--info));
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-webkit-background-clip: text;
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-webkit-text-fill-color: transparent;
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background-clip: text;
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}
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.subtitle {
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color: var(--text-muted);
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margin-top: 0.5rem;
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font-size: 0.95rem;
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}
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.check-form {
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background: var(--surface);
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border: 1px solid var(--border);
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border-radius: var(--radius);
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padding: 1.5rem;
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margin-bottom: 1.5rem;
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}
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.form-row {
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display: flex;
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gap: 1rem;
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margin-bottom: 1.25rem;
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flex-wrap: wrap;
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}
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.form-group {
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display: flex;
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flex-direction: column;
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gap: 0.4rem;
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flex: 1;
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min-width: 120px;
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}
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.form-group.flex-2 {
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flex: 2;
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min-width: 200px;
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}
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.form-group label {
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font-size: 0.85rem;
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color: var(--text-muted);
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font-weight: 500;
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}
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.form-group input,
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.form-group select {
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background: var(--bg);
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border: 1px solid var(--border);
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border-radius: 6px;
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padding: 0.65rem 0.85rem;
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color: var(--text);
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font-size: 0.95rem;
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transition: border-color 0.2s;
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}
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.form-group input:focus,
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.form-group select:focus {
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outline: none;
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border-color: var(--primary);
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}
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.btn-primary {
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width: 100%;
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background: var(--primary);
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color: #fff;
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border: none;
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border-radius: 6px;
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padding: 0.75rem 1.5rem;
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font-size: 1rem;
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font-weight: 600;
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cursor: pointer;
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transition: background 0.2s;
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}
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.btn-primary:hover:not(:disabled) {
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background: var(--primary-hover);
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}
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.btn-primary:disabled {
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opacity: 0.6;
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cursor: not-allowed;
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}
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.error-box {
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background: rgba(239, 68, 68, 0.1);
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border: 1px solid var(--danger);
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border-radius: var(--radius);
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padding: 1rem 1.25rem;
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color: var(--danger);
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margin-bottom: 1.5rem;
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}
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.result-box {
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background: var(--surface);
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border: 1px solid var(--border);
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border-radius: var(--radius);
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padding: 1.5rem;
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animation: fadeIn 0.3s ease;
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}
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@keyframes fadeIn {
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from { opacity: 0; transform: translateY(8px); }
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to { opacity: 1; transform: translateY(0); }
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}
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.result-header {
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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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margin-bottom: 1.25rem;
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}
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.result-header h2 {
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font-size: 1.1rem;
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font-weight: 600;
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}
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.elapsed {
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font-size: 0.85rem;
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color: var(--text-muted);
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}
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.diagnosis-card {
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display: flex;
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align-items: flex-start;
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gap: 1rem;
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padding: 1.25rem;
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border-radius: var(--radius);
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margin-bottom: 1.5rem;
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border: 1px solid var(--border);
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}
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.diagnosis-card.success { background: rgba(34, 197, 94, 0.08); border-color: rgba(34, 197, 94, 0.3); }
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.diagnosis-card.warning { background: rgba(245, 158, 11, 0.08); border-color: rgba(245, 158, 11, 0.3); }
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.diagnosis-card.danger { background: rgba(239, 68, 68, 0.08); border-color: rgba(239, 68, 68, 0.3); }
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.diagnosis-card.info { background: rgba(6, 182, 212, 0.08); border-color: rgba(6, 182, 212, 0.3); }
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.diagnosis-icon {
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font-size: 1.75rem;
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line-height: 1;
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flex-shrink: 0;
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}
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.diagnosis-content h3 {
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font-size: 1rem;
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font-weight: 600;
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margin-bottom: 0.25rem;
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}
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.diagnosis-content p {
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font-size: 0.9rem;
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color: var(--text-muted);
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}
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.info-grid {
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display: grid;
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grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
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gap: 0.75rem;
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margin-bottom: 1.5rem;
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}
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.info-item {
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background: var(--bg);
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border-radius: 6px;
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padding: 0.75rem;
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}
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.info-label {
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display: block;
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font-size: 0.75rem;
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color: var(--text-muted);
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margin-bottom: 0.2rem;
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}
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.info-value {
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font-size: 0.9rem;
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font-weight: 500;
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}
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.status-open { color: var(--success); }
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.status-closed { color: var(--danger); }
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.status-filtered { color: var(--warning); }
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.status-unknown { color: var(--text-muted); }
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.details-section h3 {
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font-size: 0.9rem;
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color: var(--text-muted);
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margin-bottom: 0.75rem;
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font-weight: 500;
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}
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.details-list {
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list-style: none;
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display: flex;
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flex-direction: column;
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gap: 0.5rem;
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}
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.details-list li {
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font-size: 0.85rem;
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color: var(--text-muted);
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padding-left: 1rem;
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position: relative;
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}
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.details-list li::before {
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content: "›";
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position: absolute;
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left: 0;
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color: var(--primary);
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}
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footer {
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margin-top: auto;
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padding-top: 2rem;
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text-align: center;
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color: var(--text-muted);
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font-size: 0.8rem;
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}
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@media (max-width: 600px) {
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.form-row {
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flex-direction: column;
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}
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.form-group.flex-2 {
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min-width: 100%;
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}
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}
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@@ -0,0 +1,94 @@
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<!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>CPCHECK - 云服务器端口检测</title>
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<link rel="stylesheet" href="/static/css/style.css">
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</head>
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<body>
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<div class="container">
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<header>
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<h1>CPCHECK</h1>
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<p class="subtitle">云服务器端口检测工具 · 快速定位端口问题</p>
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</header>
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<main>
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<form id="checkForm" class="check-form">
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<div class="form-row">
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<div class="form-group flex-2">
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<label for="host">域名 / IP 地址</label>
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<input type="text" id="host" name="host" placeholder="例如: example.com 或 8.8.8.8" required>
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</div>
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<div class="form-group">
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<label for="port">端口</label>
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<input type="number" id="port" name="port" min="1" max="65535" placeholder="443" required>
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</div>
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<div class="form-group">
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<label for="protocol">协议</label>
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<select id="protocol" name="protocol">
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<option value="tcp" selected>TCP</option>
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<option value="udp">UDP</option>
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</select>
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</div>
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</div>
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<button type="submit" id="submitBtn" class="btn-primary">
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<span class="btn-text">开始检测</span>
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<span class="btn-loading" hidden>检测中...</span>
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</button>
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</form>
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<div id="errorBox" class="error-box" hidden></div>
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<div id="resultBox" class="result-box" hidden>
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<div class="result-header">
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<h2>检测结果</h2>
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<span id="elapsed" class="elapsed"></span>
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</div>
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<div id="diagnosisCard" class="diagnosis-card">
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<div id="diagnosisIcon" class="diagnosis-icon"></div>
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<div class="diagnosis-content">
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<h3 id="diagnosisTitle"></h3>
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<p id="diagnosisMessage"></p>
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</div>
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</div>
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<div class="info-grid">
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<div class="info-item">
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<span class="info-label">目标</span>
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<span id="infoTarget" class="info-value"></span>
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</div>
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<div class="info-item">
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<span class="info-label">解析 IP</span>
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<span id="infoIp" class="info-value"></span>
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</div>
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<div class="info-item">
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<span class="info-label">端口状态</span>
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<span id="infoStatus" class="info-value"></span>
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</div>
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<div class="info-item">
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<span class="info-label">主机可达</span>
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<span id="infoReachable" class="info-value"></span>
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</div>
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<div class="info-item">
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<span class="info-label">连接延迟</span>
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<span id="infoLatency" class="info-value"></span>
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</div>
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</div>
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<div class="details-section">
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<h3>检测详情</h3>
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<ul id="detailsList" class="details-list"></ul>
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</div>
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</div>
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</main>
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<footer>
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<p>CPCHECK v1.0 · 支持 TCP/UDP 端口检测</p>
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</footer>
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</div>
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<script src="/static/js/app.js"></script>
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</body>
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</html>
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@@ -0,0 +1,103 @@
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const DIAGNOSIS_CONFIG = {
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port_open: { title: "端口开放", icon: "✓", class: "success" },
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port_not_open: { title: "端口未开放", icon: "✗", class: "danger" },
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likely_firewall: { title: "可能被防火墙拦截", icon: "⚠", class: "warning" },
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likely_blocked: { title: "可能被墙或过滤", icon: "⊘", class: "danger" },
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host_unreachable: { title: "主机不可达", icon: "✗", class: "danger" },
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dns_failed: { title: "DNS 解析失败", icon: "✗", class: "danger" },
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udp_ambiguous: { title: "UDP 状态不确定", icon: "?", class: "info" },
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};
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const STATUS_LABELS = {
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open: { text: "开放", class: "status-open" },
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closed: { text: "关闭", class: "status-closed" },
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filtered: { text: "被过滤", class: "status-filtered" },
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unknown: { text: "不确定", class: "status-unknown" },
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};
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const form = document.getElementById("checkForm");
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const submitBtn = document.getElementById("submitBtn");
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const btnText = submitBtn.querySelector(".btn-text");
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const btnLoading = submitBtn.querySelector(".btn-loading");
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const errorBox = document.getElementById("errorBox");
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const resultBox = document.getElementById("resultBox");
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form.addEventListener("submit", async (e) => {
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e.preventDefault();
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hideError();
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resultBox.hidden = true;
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setLoading(true);
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const host = document.getElementById("host").value.trim();
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const port = parseInt(document.getElementById("port").value, 10);
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const protocol = document.getElementById("protocol").value;
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try {
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const resp = await fetch("/api/check", {
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method: "POST",
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headers: { "Content-Type": "application/json" },
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body: JSON.stringify({ host, port, protocol }),
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});
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const json = await resp.json();
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if (!resp.ok) {
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throw new Error(json.detail || json.error || "请求失败");
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}
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if (!json.success || !json.data) {
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throw new Error(json.error || "检测失败");
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}
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renderResult(json.data);
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} catch (err) {
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showError(err.message || "网络错误，请稍后重试");
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} finally {
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setLoading(false);
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}
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});
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function setLoading(loading) {
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submitBtn.disabled = loading;
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btnText.hidden = loading;
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btnLoading.hidden = !loading;
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}
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function showError(msg) {
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errorBox.textContent = msg;
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errorBox.hidden = false;
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}
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function hideError() {
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errorBox.hidden = true;
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}
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function renderResult(data) {
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const diag = DIAGNOSIS_CONFIG[data.diagnosis] || DIAGNOSIS_CONFIG.udp_ambiguous;
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const status = STATUS_LABELS[data.port_status] || STATUS_LABELS.unknown;
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const card = document.getElementById("diagnosisCard");
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card.className = `diagnosis-card ${diag.class}`;
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document.getElementById("diagnosisIcon").textContent = diag.icon;
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document.getElementById("diagnosisTitle").textContent = diag.title;
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document.getElementById("diagnosisMessage").textContent = data.diagnosis_message;
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document.getElementById("elapsed").textContent = `耗时 ${data.elapsed_ms}ms`;
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document.getElementById("infoTarget").textContent = `${data.host}:${data.port} (${data.protocol.toUpperCase()})`;
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document.getElementById("infoIp").textContent = data.resolved_ip || "-";
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document.getElementById("infoStatus").innerHTML =
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`<span class="${status.class}">${status.text}</span>`;
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document.getElementById("infoReachable").textContent = data.host_reachable ? "是" : "否";
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document.getElementById("infoLatency").textContent =
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data.latency_ms != null ? `${data.latency_ms} ms` : "-";
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const list = document.getElementById("detailsList");
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list.innerHTML = "";
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(data.details || []).forEach((d) => {
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const li = document.createElement("li");
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li.textContent = d;
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list.appendChild(li);
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});
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resultBox.hidden = false;
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}
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Reference in New Issue
Block a user