515 lines
21 KiB
Plaintext
515 lines
21 KiB
Plaintext
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
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<!DOCTYPE html>
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<html lang="en">
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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>Struts2 Demo Lab</title>
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<style>
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:root {
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--bg: #f4f6fb;
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--panel: rgba(255,255,255,0.94);
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--line: #d7e0ea;
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--text: #122033;
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--muted: #5c6f84;
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--brand: #1464c7;
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--brand-2: #f68b1f;
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--soft: #e8f2ff;
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--shadow: 0 20px 44px rgba(18, 32, 51, 0.14);
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}
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* { box-sizing: border-box; }
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body {
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margin: 0;
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min-height: 100vh;
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font-family: "Aptos", "Segoe UI", "Microsoft YaHei", sans-serif;
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color: var(--text);
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background:
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radial-gradient(circle at top right, rgba(20, 100, 199, 0.15), transparent 28%),
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radial-gradient(circle at bottom left, rgba(246, 139, 31, 0.12), transparent 24%),
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var(--bg);
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}
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a { color: inherit; text-decoration: none; }
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.shell { max-width: 1480px; margin: 0 auto; padding: 24px; }
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.hero, .card {
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background: var(--panel);
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border: 1px solid var(--line);
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border-radius: 28px;
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box-shadow: var(--shadow);
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backdrop-filter: blur(10px);
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}
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.hero {
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padding: 28px;
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margin-bottom: 18px;
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}
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.eyebrow {
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font-size: 12px;
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letter-spacing: 0.12em;
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text-transform: uppercase;
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font-weight: 800;
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color: var(--brand);
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}
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.hero-head {
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display: flex;
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justify-content: space-between;
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gap: 20px;
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align-items: flex-start;
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}
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.hero h1 {
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margin: 10px 0 12px;
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font-size: 42px;
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line-height: 1.1;
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}
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.hero p {
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margin: 0;
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color: var(--muted);
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line-height: 1.9;
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max-width: 860px;
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}
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.hero-actions {
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display: flex;
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gap: 10px;
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flex-wrap: wrap;
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}
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.btn, .btn-soft {
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display: inline-flex;
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align-items: center;
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justify-content: center;
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border-radius: 999px;
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padding: 12px 18px;
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font-weight: 700;
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}
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.btn { background: linear-gradient(135deg, var(--brand), #3a8dff); color: white; }
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.btn-soft { background: var(--soft); color: var(--brand); }
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.metrics {
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display: grid;
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grid-template-columns: repeat(4, minmax(0, 1fr));
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gap: 12px;
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margin-top: 20px;
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}
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.metric {
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padding: 16px;
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border-radius: 18px;
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border: 1px solid var(--line);
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background: rgba(255,255,255,0.56);
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}
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.metric span { display: block; color: var(--muted); font-size: 12px; margin-bottom: 8px; }
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.metric strong { font-size: 26px; }
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.layout {
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display: grid;
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grid-template-columns: 340px minmax(0, 1fr);
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gap: 18px;
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align-items: start;
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}
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.sidebar, .content { display: flex; flex-direction: column; gap: 18px; }
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.card { padding: 22px; }
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.search {
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display: flex;
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gap: 10px;
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margin-top: 14px;
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}
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.search input {
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flex: 1;
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border: 1px solid var(--line);
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border-radius: 16px;
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padding: 13px 14px;
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font: inherit;
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background: transparent;
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color: var(--text);
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outline: none;
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}
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.helper-list {
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margin: 14px 0 0;
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padding-left: 18px;
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color: var(--muted);
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line-height: 1.9;
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}
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.grid {
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display: grid;
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grid-template-columns: repeat(2, minmax(0, 1fr));
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gap: 16px;
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}
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.demo-card {
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border: 1px solid var(--line);
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border-radius: 22px;
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padding: 18px;
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background: rgba(255,255,255,0.45);
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transition: transform 0.18s ease, border-color 0.18s ease;
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}
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.demo-card:hover {
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transform: translateY(-3px);
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border-color: rgba(20, 100, 199, 0.28);
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}
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.demo-card h3 {
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margin: 10px 0 8px;
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font-size: 20px;
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}
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.demo-card p {
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margin: 0 0 14px;
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color: var(--muted);
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line-height: 1.8;
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}
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.tag-list {
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display: flex;
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flex-wrap: wrap;
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gap: 8px;
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margin-bottom: 14px;
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}
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.tag {
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display: inline-flex;
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padding: 6px 10px;
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border-radius: 999px;
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background: var(--soft);
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color: var(--brand);
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font-size: 12px;
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font-weight: 700;
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}
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.demo-links {
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display: flex;
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gap: 10px;
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flex-wrap: wrap;
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}
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.link-btn {
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display: inline-flex;
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padding: 9px 14px;
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border-radius: 999px;
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border: 1px solid var(--line);
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color: var(--text);
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background: white;
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font-size: 13px;
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font-weight: 700;
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}
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.pipeline {
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display: grid;
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grid-template-columns: repeat(4, minmax(0, 1fr));
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gap: 12px;
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margin-top: 14px;
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}
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.step {
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padding: 16px;
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border-radius: 18px;
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border: 1px solid var(--line);
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background: rgba(255,255,255,0.52);
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}
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.step strong { display: block; margin-bottom: 8px; }
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.step p { margin: 0; color: var(--muted); line-height: 1.75; }
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.empty {
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padding: 14px;
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border: 1px dashed var(--line);
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border-radius: 16px;
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color: var(--muted);
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text-align: center;
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}
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.tracker {
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display: flex;
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flex-direction: column;
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gap: 10px;
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margin-top: 14px;
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}
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.tracker-item {
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display: flex;
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gap: 10px;
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align-items: flex-start;
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padding: 12px 14px;
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border-radius: 16px;
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border: 1px solid var(--line);
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background: rgba(255,255,255,0.5);
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}
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.tracker-item input {
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margin-top: 3px;
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}
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.tracker-item strong {
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display: block;
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margin-bottom: 4px;
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}
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@media (max-width: 1100px) {
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.layout { grid-template-columns: 1fr; }
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.grid, .pipeline, .metrics { grid-template-columns: 1fr 1fr; }
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}
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@media (max-width: 720px) {
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.shell { padding: 14px; }
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.hero-head, .search { flex-direction: column; align-items: stretch; }
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.grid, .pipeline, .metrics { grid-template-columns: 1fr; }
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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="shell">
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<section class="hero">
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<div class="hero-head">
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<div>
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<div class="eyebrow">Struts2 Demo Lab</div>
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<h1>Turn scattered examples into a guided demo portal</h1>
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<p>This workspace now acts like a mini learning application instead of a pile of sample pages. You can jump into action basics, login flow, validation, uploads, and JSON demos from one place.</p>
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</div>
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<div class="hero-actions">
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<a class="btn" href="hello?name=Platform%20Team">Run hello action</a>
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<a class="btn-soft" href="user/login.jsp">Open login flow</a>
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</div>
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</div>
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<div class="metrics">
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<div class="metric"><span>Live action routes</span><strong>5</strong></div>
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<div class="metric"><span>Guide pages</span><strong>4</strong></div>
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<div class="metric"><span>Demo forms</span><strong>3</strong></div>
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<div class="metric"><span>JSON endpoints</span><strong>2</strong></div>
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<div class="metric"><span>Core lab track</span><strong>4</strong></div>
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<div class="metric"><span>Completed labs</span><strong id="completedLabs">0</strong></div>
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</div>
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</section>
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<div class="layout">
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<aside class="sidebar">
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<section class="card">
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<div class="eyebrow">Quick search</div>
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<h2>Filter demos by keyword</h2>
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<div class="search">
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<input id="searchInput" type="text" placeholder="Try login, validation, upload, json, or hello" />
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</div>
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<ul class="helper-list">
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<li>Use the action demos to see real Struts requests and results.</li>
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<li>Use the guide pages to compare implementation patterns.</li>
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<li>Use the JSON routes to explain API-style actions in class.</li>
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</ul>
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</section>
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<section class="card">
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<div class="eyebrow">Fast routes</div>
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<h2>Best places to start</h2>
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<div class="demo-links">
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<a class="link-btn" href="user/form.jsp">User form</a>
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<a class="link-btn" href="validation/form.jsp">Validation form</a>
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<a class="link-btn" href="upload/index.jsp">Upload flow</a>
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<a class="link-btn" href="api/users">JSON endpoint</a>
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</div>
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</section>
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<section class="card">
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<div class="eyebrow">Lab tracker</div>
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<h2>Mark the demos you have finished</h2>
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<div class="tracker">
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<label class="tracker-item">
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<input type="checkbox" data-track="hello">
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<span>
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<strong>Hello action</strong>
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See the smallest request -> action -> result path.
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</span>
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</label>
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<label class="tracker-item">
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<input type="checkbox" data-track="login">
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<span>
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<strong>Login flow</strong>
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Follow validation, action errors, and success routing.
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</span>
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</label>
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<label class="tracker-item">
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<input type="checkbox" data-track="validation">
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<span>
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<strong>Validation flow</strong>
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Compare invalid and valid submissions.
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</span>
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</label>
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<label class="tracker-item">
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<input type="checkbox" data-track="json">
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<span>
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<strong>JSON and AJAX</strong>
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Finish by explaining how Struts can return API-style payloads.
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</span>
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</label>
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</div>
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</section>
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</aside>
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<main class="content">
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<section class="card">
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<div class="eyebrow">Request lifecycle</div>
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<h2>How to explain Struts2 with one mental model</h2>
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<div class="pipeline">
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<div class="step">
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<strong>1. Request enters</strong>
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<p>The browser sends a URL and optional form fields or query params.</p>
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</div>
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<div class="step">
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<strong>2. Action mapping</strong>
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<p><code>struts.xml</code> resolves the action name and target class.</p>
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</div>
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<div class="step">
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<strong>3. Parameter binding</strong>
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<p>Struts populates action properties before <code>execute()</code> runs.</p>
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</div>
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<div class="step">
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<strong>4. Result routing</strong>
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<p>The returned result name decides which JSP or JSON renderer will respond.</p>
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</div>
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</div>
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</section>
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<section class="card">
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<div class="eyebrow">Catalog</div>
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<h2>Interactive demos and guides</h2>
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<div class="grid" id="demoGrid">
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<article class="demo-card" data-keywords="hello action request parameter basics">
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<div class="tag-list">
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<span class="tag">Action</span>
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<span class="tag">Beginner</span>
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</div>
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<h3>Hello action</h3>
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<p>Run a real Struts action, inject a request parameter, and inspect the rendered result page.</p>
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<div class="demo-links">
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<a class="link-btn" href="hello?name=Platform%20Team">Run demo</a>
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<a class="link-btn" href="demo/hello/index.jsp">Read guide</a>
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</div>
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</article>
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<article class="demo-card" data-keywords="login session form validation credentials">
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<div class="tag-list">
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<span class="tag">Form</span>
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<span class="tag">Core flow</span>
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</div>
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<h3>Login flow</h3>
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<p>Use demo credentials, see field validation, and land on a richer post-login dashboard.</p>
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<div class="demo-links">
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<a class="link-btn" href="user/login.jsp">Open login</a>
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</div>
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</article>
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<article class="demo-card" data-keywords="user form submit profile">
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<div class="tag-list">
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<span class="tag">Action</span>
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<span class="tag">Form submit</span>
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</div>
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<h3>User intake form</h3>
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<p>Submit a small profile payload and see action-backed validation with a success summary.</p>
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<div class="demo-links">
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<a class="link-btn" href="user/form.jsp">Open form</a>
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</div>
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</article>
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<article class="demo-card" data-keywords="validation field errors age email bio">
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<div class="tag-list">
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<span class="tag">Validation</span>
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<span class="tag">Teaching</span>
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</div>
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<h3>Validation demo</h3>
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<p>Test length, email, age, and text limits while keeping the page readable for explanation.</p>
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<div class="demo-links">
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<a class="link-btn" href="validation/form.jsp">Open validation</a>
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</div>
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</article>
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<article class="demo-card" data-keywords="upload multipart metadata file">
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<div class="tag-list">
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<span class="tag">Upload</span>
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<span class="tag">Safe demo</span>
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</div>
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<h3>Upload metadata demo</h3>
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<p>Capture file metadata through Struts form binding without writing anything to disk.</p>
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<div class="demo-links">
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<a class="link-btn" href="upload/index.jsp">Open upload</a>
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<a class="link-btn" href="demo/upload/index.jsp">Read guide</a>
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</div>
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</article>
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<article class="demo-card" data-keywords="ajax json api rest users">
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<div class="tag-list">
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<span class="tag">JSON</span>
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<span class="tag">API style</span>
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</div>
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<h3>AJAX and REST payloads</h3>
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<p>Show how Struts2 can return JSON from actions for AJAX examples and lightweight REST-style demos.</p>
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<div class="demo-links">
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<a class="link-btn" href="ajax">Action JSON</a>
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<a class="link-btn" href="api/users">REST JSON</a>
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<a class="link-btn" href="demo/ajax/index.jsp">Read guide</a>
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</div>
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</article>
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<article class="demo-card" data-keywords="model driven user bean object binding">
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<div class="tag-list">
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<span class="tag">Guide</span>
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<span class="tag">Patterns</span>
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</div>
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<h3>Model binding guide</h3>
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<p>Compare property-driven and model-driven input binding to explain how Struts builds action state.</p>
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<div class="demo-links">
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<a class="link-btn" href="demo/model/index.jsp">Open guide</a>
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</div>
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</article>
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</div>
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<div class="empty" id="emptyState" style="display: none; margin-top: 16px;">No demo matched the current search.</div>
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</section>
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<section class="card">
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<div class="eyebrow">Learning pipeline</div>
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<h2>Suggested order for the full demo</h2>
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<div class="pipeline">
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<div class="step">
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<strong>1. Start with hello</strong>
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<p>See the smallest action and result mapping first.</p>
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</div>
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<div class="step">
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<strong>2. Move to forms</strong>
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<p>Login and user intake show parameter binding in action.</p>
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</div>
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<div class="step">
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<strong>3. Validate inputs</strong>
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<p>Explain field errors, business rules, and success pages.</p>
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</div>
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<div class="step">
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<strong>4. Expand to JSON</strong>
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<p>Close the session with AJAX and REST-style payload demos.</p>
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</div>
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</div>
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</section>
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</main>
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</div>
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</div>
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<script>
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const searchInput = document.getElementById('searchInput');
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const cards = Array.from(document.querySelectorAll('.demo-card'));
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const emptyState = document.getElementById('emptyState');
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const trackerItems = Array.from(document.querySelectorAll('[data-track]'));
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const trackerKey = 'struts_demo_tracker';
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function getTrackerState() {
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return JSON.parse(localStorage.getItem(trackerKey) || '{}');
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}
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function renderTracker() {
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const state = getTrackerState();
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let completed = 0;
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trackerItems.forEach((item) => {
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item.checked = Boolean(state[item.dataset.track]);
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if (item.checked) {
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completed += 1;
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}
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});
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document.getElementById('completedLabs').textContent = completed;
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}
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trackerItems.forEach((item) => {
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item.addEventListener('change', () => {
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const state = getTrackerState();
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state[item.dataset.track] = item.checked;
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localStorage.setItem(trackerKey, JSON.stringify(state));
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renderTracker();
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});
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|
});
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|
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searchInput.addEventListener('input', () => {
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const keyword = searchInput.value.trim().toLowerCase();
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let visible = 0;
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cards.forEach((card) => {
|
|
const match = !keyword || card.dataset.keywords.includes(keyword);
|
|
card.style.display = match ? 'block' : 'none';
|
|
if (match) {
|
|
visible += 1;
|
|
}
|
|
});
|
|
emptyState.style.display = visible ? 'none' : 'block';
|
|
});
|
|
|
|
renderTracker();
|
|
</script>
|
|
</body>
|
|
</html>
|