init: 我的博客项目

admin/_layout.php

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+<?php
+require_once __DIR__ . "/../includes/config.php";
+require_once __DIR__ . "/../includes/functions.php";
+require_once __DIR__ . "/../includes/auth.php";
+require_admin();
+$adminPage = isset($adminPage) ? $adminPage : "";
+?>
+<!DOCTYPE html>
+<html lang="zh-CN" data-theme="light">
+<head>
+<meta charset="UTF-8">
+<meta name="viewport" content="width=device-width, initial-scale=1.0">
+<title><?php echo isset($pageTitle) ? e($pageTitle) . " - 后台" : "后台管理"; ?></title>
+<link rel="stylesheet" href="<?php echo e(SITE_URL); ?>assets/css/style.css">
+<link rel="stylesheet" href="<?php echo e(SITE_URL); ?>assets/css/admin.css">
+</head>
+<body class="admin-body">
+<div class="bg"></div>
+<nav class="glass-nav">
+  <div class="nav-brand"><a href="<?php echo e(SITE_URL); ?>admin/index.php">我的博客 后台</a></div>
+  <div class="nav-links">
+    <a class="nav-link" href="<?php echo e(SITE_URL); ?>index.php" target="_blank">查看前台</a>
+    <a class="glass-btn primary" href="<?php echo e(SITE_URL); ?>logout.php">退出</a>
+  </div>
+</nav>
+<div class="container admin-layout">
+  <aside class="admin-aside">
+    <div class="side-panel glass">
+      <nav class="admin-menu">
+        <div class="menu-title">内容管理</div>
+        <a class="menu-item<?php echo $adminPage==="articles"?" active":""; ?>" href="<?php echo e(SITE_URL); ?>admin/article_list.php">文章管理</a>
+        <a class="menu-item<?php echo $adminPage==="comments"?" active":""; ?>" href="<?php echo e(SITE_URL); ?>admin/comment.php">评论管理</a>
+        <div class="menu-sep"></div>
+        <div class="menu-title">分类体系</div>
+        <a class="menu-item<?php echo $adminPage==="categories"?" active":""; ?>" href="<?php echo e(SITE_URL); ?>admin/category.php">分类管理</a>
+        <a class="menu-item<?php echo $adminPage==="tags"?" active":""; ?>" href="<?php echo e(SITE_URL); ?>admin/tag.php">标签管理</a>
+        <div class="menu-sep"></div>
+        <div class="menu-title">总览</div>
+        <a class="menu-item<?php echo $adminPage==="dash"?" active":""; ?>" href="<?php echo e(SITE_URL); ?>admin/index.php">仪表盘</a>
+      </nav>
+    </div>
+  </aside>
+  <main class="admin-main">

admin/_tail.php

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+  </main>
+</div>
+<div class="footnote">
+  <?php echo e(SITE_NAME); ?> 后台管理系统
+</div>
+<div class="modal-mask" id="confirmModal" style="display:none;">
+  <div class="modal glass">
+    <div class="modal-title">确认操作</div>
+    <div class="modal-text" id="confirmText"></div>
+    <div class="modal-actions">
+      <button class="glass-btn" id="confirmCancel" type="button">取消</button>
+      <button class="glass-btn primary" id="confirmOk" type="button">确认</button>
+    </div>
+  </div>
+</div>
+<script src="<?php echo e(SITE_URL); ?>assets/js/main.js"></script>
+</body>
+</html>

admin/article_delete.php

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+<?php
+require_once __DIR__ . "/../includes/functions.php";
+require_once __DIR__ . "/../includes/auth.php";
+require_admin();
+
+$id = isset($_GET["id"]) ? (int)$_GET["id"] : 0;
+if ($id) {
+  db()->prepare("DELETE FROM article_tags WHERE article_id=?")->execute([$id]);
+  db()->prepare("DELETE FROM comments WHERE article_id=?")->execute([$id]);
+  db()->prepare("DELETE FROM articles WHERE id=?")->execute([$id]);
+}
+header("Location: article_list.php?deleted=1"); exit;

admin/article_edit.php

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+<?php
+require_once __DIR__ . "/../includes/functions.php";
+require_once __DIR__ . "/../includes/auth.php";
+$adminPage = "articles";
+$pageTitle = "编辑文章";
+require __DIR__ . "/_layout.php";
+
+$id = isset($_GET["id"]) ? (int)$_GET["id"] : 0;
+$article = null;
+if ($id) {
+  $stmt = db()->prepare("SELECT * FROM articles WHERE id=?");
+  $stmt->execute([$id]);
+  $article = $stmt->fetch();
+  if (!$article) { echo '<div class="msg">文章不存在或已删除</div>'; echo '<p><a href="article_list.php">返回列表</a></p>'; require __DIR__ . "/_tail.php"; exit; }
+}
+
+$cats = get_categories();
+$allTags = get_all_tags();
+$curTags = $article ? array_column(get_article_tags($article["id"]), "id") : [];
+
+$msg = "";
+if ($_SERVER["REQUEST_METHOD"] === "POST") {
+  $title = trim($_POST["title"] ?? "");
+  $slug = trim($_POST["slug"] ?? "");
+  $category_id = (int)($_POST["category_id"] ?? 0);
+  $excerpt = trim($_POST["excerpt"] ?? "");
+  $content = $_POST["content"] ?? "";
+  $status = ($_POST["status"] ?? "published") === "draft" ? "draft" : "published";
+  $tags = $_POST["tags"] ?? []; if (!is_array($tags)) { $tags = []; }
+  if ($title === "" || $content === "") {
+    $msg = '<div class="msg">标题和内容不能为空</div>';
+  } else {
+    if ($slug === "") { $slug = slugify($title); }
+    if ($msg === "") {
+      $user_id = current_user()["id"];
+      if ($id) {
+        $s = db()->prepare("UPDATE articles SET title=?, slug=?, category_id=?, excerpt=?, content=?, status=? WHERE id=?");
+        $s->execute([$title, $slug, $category_id ?: null, $excerpt, $content, $status, $id]);
+      } else {
+        $s = db()->prepare("INSERT INTO articles (user_id, title, slug, category_id, excerpt, content, status, views) VALUES (?,?,?,?,?,?,?,0)");
+        $s->execute([$user_id, $title, $slug, $category_id ?: null, $excerpt, $content, $status]);
+        $id = (int)db()->lastInsertId();
+      }
+      db()->prepare("DELETE FROM article_tags WHERE article_id=?")->execute([$id]);
+      if ($tags) {
+        $si = db()->prepare("INSERT IGNORE INTO article_tags (article_id, tag_id) VALUES (?,?)");
+        foreach ($tags as $tid) { $si->execute([$id, (int)$tid]); }
+      }
+      header("Location: article_list.php?ok=1"); exit;
+    }
+  }
+}
+?>
+
+<div class="admin-head"><h1><?php echo $id ? "编辑文章" : "写文章"; ?></h1></div>
+<?php echo $msg; ?>
+<div class="card glass form-card">
+<form method="post">
+  <div class="field">
+    <label>标题</label>
+    <input class="input" type="text" name="title" value="<?php echo e($article["title"] ?? ""); ?>" required>
+  </div>
+  <div class="field">
+    <label>别名（slug，留空自动生成）</label>
+    <input class="input" type="text" name="slug" value="<?php echo e($article["slug"] ?? ""); ?>" placeholder="english-slug">
+  </div>
+  <div class="form-row">
+    <div class="field">
+      <label>分类</label>
+      <select class="input" name="category_id">
+        <option value="0">未分类</option>
+        <?php foreach($cats as $c): ?><option value="<?php echo $c["id"]; ?>" <?php echo ($article["category_id"] ?? 0)==$c["id"]?"selected":""; ?>><?php echo e($c["name"]); ?></option><?php endforeach; ?>
+      </select>
+    </div>
+    <div class="field">
+      <label>状态</label>
+      <select class="input" name="status">
+        <option value="published" <?php echo ($article["status"] ?? "published")==="published"?"selected":""; ?>>发布</option>
+        <option value="draft" <?php echo ($article["status"] ?? "")==="draft"?"selected":""; ?>>草稿</option>
+      </select>
+    </div>
+  </div>
+  <div class="field">
+    <label>摘要</label>
+    <textarea class="input" name="excerpt" rows="2"><?php echo e($article["excerpt"] ?? ""); ?></textarea>
+  </div>
+  <div class="field">
+    <label>标签</label>
+    <div>
+    <?php foreach($allTags as $t): ?>
+      <label class="tag-check"><input type="checkbox" name="tags[]" value="<?php echo $t["id"]; ?>" <?php echo in_array($t["id"],$curTags)?"checked":""; ?>> <?php echo e($t["name"]); ?></label>
+    <?php endforeach; ?>
+    <?php if(!$allTags): ?><span class="text-muted">暂无标签，可先在标签管理中创建</span><?php endif; ?>
+    </div>
+  </div>
+  <div class="field">
+    <label>内容（支持 Markdown）</label>
+    <textarea class="input code" name="content" rows="16" required><?php echo e($article["content"] ?? ""); ?></textarea>
+  </div>
+  <button class="glass-btn primary" type="submit">保存</button>
+  <a class="glass-btn" href="article_list.php">返回</a>
+</form>
+</div>
+<?php require __DIR__ . "/_tail.php"; ?>

admin/article_list.php

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+<?php
+require_once __DIR__ . "/../includes/functions.php";
+require_once __DIR__ . "/../includes/auth.php";
+$adminPage = "articles";
+$pageTitle = "文章管理";
+require __DIR__ . "/_layout.php";
+
+$page = isset($_GET["page"]) ? max(1,(int)$_GET["page"]) : 1;
+$per = 15;
+$total = (int)db()->query("SELECT COUNT(*) FROM articles")->fetchColumn();
+$pages = max(1,(int)ceil($total/$per));
+$page = min($page,$pages);
+$off = ($page-1)*$per;
+$stmt = db()->prepare("SELECT a.id,a.title,a.views,a.created_at,c.name AS cat, COUNT(t.id) AS tagcount FROM articles a LEFT JOIN categories c ON a.category_id=c.id LEFT JOIN article_tags at ON at.article_id=a.id LEFT JOIN tags t ON t.id=at.tag_id GROUP BY a.id ORDER BY a.created_at DESC LIMIT ? OFFSET ?");
+$stmt->bindValue(1,$per,PDO::PARAM_INT);
+$stmt->bindValue(2,$off,PDO::PARAM_INT);
+$stmt->execute();
+$list = $stmt->fetchAll();
+?>
+<div class="admin-head">
+  <h1>文章管理</h1>
+  <a class="glass-btn primary" href="article_edit.php">写文章</a>
+</div>
+<?php if (isset($_GET["deleted"])) { ?><div class="msg ok">删除成功</div><?php } ?>
+
+<div class="card glass">
+  <table class="admin-table">
+    <thead><tr><th style="width:40px">ID</th><th class="title">标题</th><th>分类</th><th>标签</th><th>阅读</th><th>日期</th><th>操作</th></tr></thead>
+    <tbody>
+    <?php if (!$list): ?><tr><td colspan="7" class="text-muted">暂无文章</td></tr><?php endif; ?>
+    <?php foreach ($list as $a): ?>
+      <tr>
+        <td><?php echo $a["id"]; ?></td>
+        <td class="title"><?php echo e($a["title"]); ?></td>
+        <td class="text-muted"><?php echo e($a["cat"] ?: "未分类"); ?></td>
+        <td><span class="badge-count"><?php echo $a["tagcount"]; ?></span></td>
+        <td><?php echo $a["views"]; ?></td>
+        <td class="text-muted"><?php echo e(substr($a["created_at"],0,10)); ?></td>
+        <td><div class="actions"><a href="article_edit.php?id=<?php echo $a["id"]; ?>">编辑</a><a href="article_delete.php?id=<?php echo $a["id"]; ?>" data-confirm="确定删除该文章？">删除</a></div></td>
+      </tr>
+    <?php endforeach; ?>
+    </tbody>
+  </table>
+  <div class="pagination">
+  <?php for($i=1;$i<=$pages;$i++): ?><a class="<?php echo $i===$page?"current":""; ?>" href="?page=<?php echo $i; ?>"><?php echo $i; ?></a><?php endfor; ?>
+  </div>
+</div>
+<?php require __DIR__ . "/_tail.php"; ?>

admin/category.php

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+<?php
+require_once __DIR__ . "/../includes/functions.php";
+require_once __DIR__ . "/../includes/auth.php";
+$adminPage = "categories";
+$pageTitle = "分类管理";
+require __DIR__ . "/_layout.php";
+
+$msg = "";
+if ($_SERVER["REQUEST_METHOD"] === "POST" && isset($_POST["name"])) {
+  $name = trim($_POST["name"]);
+  $slug = slugify($_POST["slug"] ?? "");
+  if ($name === "") { $msg = '<div class="msg">分类名不能为空</div>'; }
+  else {
+    $s = db()->prepare("INSERT INTO categories (name, slug) VALUES (?,?)");
+    $s->execute([$name, $slug]);
+    header("Location: category.php?ok=1"); exit;
+  }
+}
+if (isset($_GET["del"])) {
+  $cid = (int)$_GET["del"];
+  db()->prepare("UPDATE articles SET category_id=NULL WHERE category_id=?")->execute([$cid]);
+  db()->prepare("DELETE FROM categories WHERE id=?")->execute([$cid]);
+  header("Location: category.php?deleted=1"); exit;
+}
+$list = db()->query("SELECT c.*, (SELECT COUNT(*) FROM articles a WHERE a.category_id=c.id) AS cnt FROM categories c ORDER BY c.id DESC")->fetchAll();
+?>
+<div class="admin-head"><h1>分类管理</h1></div>
+<?php echo $msg; ?><?php if (isset($_GET["deleted"])) { ?><div class="msg ok">删除成功</div><?php } ?>
+<div class="card glass form-card" style="margin-bottom:20px">
+  <h3>新增分类</h3>
+  <form method="post">
+    <div class="form-row">
+      <div class="field"><label>名称</label><input class="input" type="text" name="name" required></div>
+      <div class="field"><label>别名（slug，可选）</label><input class="input" type="text" name="slug" placeholder="english-slug"></div>
+    </div>
+    <button class="glass-btn primary" type="submit">添加</button>
+  </form>
+</div>
+<div class="card glass">
+  <table class="admin-table">
+    <thead><tr><th>ID</th><th>名称</th><th>别名</th><th>文章数</th><th>操作</th></tr></thead>
+    <tbody>
+    <?php foreach($list as $c): ?>
+      <tr>
+        <td><?php echo $c["id"]; ?></td>
+        <td><?php echo e($c["name"]); ?></td>
+        <td class="text-muted"><?php echo e($c["slug"]); ?></td>
+        <td><?php echo $c["cnt"]; ?></td>
+        <td><div class="actions"><a href="?del=<?php echo $c["id"]; ?>" data-confirm="删除分类不会删除其下文章，仅取消关联，继续？">删除</a></div></td>
+      </tr>
+    <?php endforeach; ?>
+    </tbody>
+  </table>
+</div>
+<?php require __DIR__ . "/_tail.php"; ?>

admin/comment.php

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+<?php
+require_once __DIR__ . "/../includes/functions.php";
+require_once __DIR__ . "/../includes/auth.php";
+$adminPage = "comments";
+$pageTitle = "评论管理";
+require __DIR__ . "/_layout.php";
+
+if (isset($_GET["del"])) {
+  $cid = (int)$_GET["del"];
+  db()->prepare("DELETE FROM comments WHERE id=?")->execute([$cid]);
+  header("Location: comment.php?deleted=1"); exit;
+}
+$page = isset($_GET["page"]) ? max(1,(int)$_GET["page"]) : 1;
+$per = 15;
+$total = (int)db()->query("SELECT COUNT(*) FROM comments")->fetchColumn();
+$pages = max(1,(int)ceil($total/$per));
+$page = min($page,$pages);
+$off = ($page-1)*$per;
+$stmt = db()->prepare("SELECT cm.*, a.title AS atitle FROM comments cm LEFT JOIN articles a ON a.id=cm.article_id ORDER BY cm.created_at DESC LIMIT ? OFFSET ?");
+$stmt->bindValue(1,$per,PDO::PARAM_INT);
+$stmt->bindValue(2,$off,PDO::PARAM_INT);
+$stmt->execute();
+$list = $stmt->fetchAll();
+?>
+<div class="admin-head"><h1>评论管理</h1></div>
+<?php if (isset($_GET["deleted"])) { ?><div class="msg ok">删除成功</div><?php } ?>
+<div class="card glass">
+  <table class="admin-table">
+    <thead><tr><th style="width:40px">ID</th><th>评论内容</th><th>昵称</th><th>文章</th><th>时间</th><th>操作</th></tr></thead>
+    <tbody>
+    <?php if(!$list): ?><tr><td colspan="6" class="text-muted">暂无评论</td></tr><?php endif; ?>
+    <?php foreach($list as $c): ?>
+      <tr>
+        <td><?php echo $c["id"]; ?></td>
+        <td><?php echo e(mb_strimwidth($c["content"],0,60,"...")); ?></td>
+        <td><?php echo e($c["author"]); ?></td>
+        <td class="text-muted"><?php echo e(mb_strimwidth($c["atitle"] ?? "已删除",0,20,"...")); ?></td>
+        <td class="text-muted"><?php echo e($c["created_at"]); ?></td>
+        <td><div class="actions"><a href="?del=<?php echo $c["id"]; ?>" data-confirm="确定删除该评论？">删除</a></div></td>
+      </tr>
+    <?php endforeach; ?>
+    </tbody>
+  </table>
+  <div class="pagination">
+  <?php for($i=1;$i<=$pages;$i++): ?><a class="<?php echo $i===$page?"current":""; ?>" href="?page=<?php echo $i; ?>"><?php echo $i; ?></a><?php endfor; ?>
+  </div>
+</div>
+<?php require __DIR__ . "/_tail.php"; ?>

admin/index.php

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+<?php
+require_once __DIR__ . "/../includes/functions.php";
+require_once __DIR__ . "/../includes/auth.php";
+$adminPage = "dash";
+$pageTitle = "仪表盘";
+require __DIR__ . "/_layout.php";
+
+$articles = (int)db()->query("SELECT COUNT(*) FROM articles")->fetchColumn();
+$comments = (int)db()->query("SELECT COUNT(*) FROM comments")->fetchColumn();
+$categories = (int)db()->query("SELECT COUNT(*) FROM categories")->fetchColumn();
+$tags = (int)db()->query("SELECT COUNT(*) FROM tags")->fetchColumn();
+$views = (int)db()->query("SELECT COALESCE(SUM(views),0) FROM articles")->fetchColumn();
+$recent = db()->query("SELECT a.id, a.title, a.created_at, c.name AS cat FROM articles a LEFT JOIN categories c ON a.category_id=c.id ORDER BY a.created_at DESC LIMIT 8")->fetchAll();
+?>
+
+<div class="admin-head">
+  <h1>仪表盘</h1>
+  <a class="glass-btn primary" href="article_edit.php">写文章</a>
+</div>
+
+<div class="stat-grid">
+  <div class="card glass stat-card"><div class="num"><?php echo $articles; ?></div><div class="label">文章</div></div>
+  <div class="card glass stat-card"><div class="num"><?php echo $comments; ?></div><div class="label">评论</div></div>
+  <div class="card glass stat-card"><div class="num"><?php echo $views; ?></div><div class="label">总阅读</div></div>
+  <div class="card glass stat-card"><div class="num"><?php echo $categories; ?></div><div class="label">分类</div></div>
+  <div class="card glass stat-card"><div class="num"><?php echo $tags; ?></div><div class="label">标签</div></div>
+</div>
+
+<div class="card glass">
+  <h3>最近文章</h3>
+  <table class="admin-table">
+    <thead><tr><th>标题</th><th>分类</th><th>发布时间</th><th>操作</th></tr></thead>
+    <tbody>
+    <?php if (!$recent): ?><tr><td colspan="4" class="text-muted">暂无文章</td></tr><?php endif; ?>
+    <?php foreach ($recent as $a): ?>
+      <tr>
+        <td><?php echo e($a["title"]); ?></td>
+        <td class="text-muted"><?php echo e($a["cat"] ?: "未分类"); ?></td>
+        <td class="text-muted"><?php echo e($a["created_at"]); ?></td>
+        <td><div class="actions"><a href="article_edit.php?id=<?php echo $a["id"]; ?>">编辑</a><a href="article_delete.php?id=<?php echo $a["id"]; ?>" data-confirm="确定删除该文章？">删除</a></div></td>
+      </tr>
+    <?php endforeach; ?>
+    </tbody>
+  </table>
+</div>
+<?php require __DIR__ . "/_tail.php"; ?>

admin/tag.php

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+<?php
+require_once __DIR__ . "/../includes/functions.php";
+require_once __DIR__ . "/../includes/auth.php";
+$adminPage = "tags";
+$pageTitle = "标签管理";
+require __DIR__ . "/_layout.php";
+
+$msg = "";
+if ($_SERVER["REQUEST_METHOD"] === "POST" && isset($_POST["name"])) {
+  $name = trim($_POST["name"]);
+  $slug = slugify($_POST["slug"] ?? "");
+  if ($name === "") { $msg = '<div class="msg">标签名不能为空</div>'; }
+  else {
+    $s = db()->prepare("INSERT INTO tags (name, slug) VALUES (?,?)");
+    $s->execute([$name, $slug]);
+    header("Location: tag.php?ok=1"); exit;
+  }
+}
+if (isset($_GET["del"])) {
+  $tid = (int)$_GET["del"];
+  db()->prepare("DELETE FROM article_tags WHERE tag_id=?")->execute([$tid]);
+  db()->prepare("DELETE FROM tags WHERE id=?")->execute([$tid]);
+  header("Location: tag.php?deleted=1"); exit;
+}
+$list = db()->query("SELECT t.*, (SELECT COUNT(*) FROM article_tags at WHERE at.tag_id=t.id) AS cnt FROM tags t ORDER BY t.id DESC")->fetchAll();
+?>
+<div class="admin-head"><h1>标签管理</h1></div>
+<?php echo $msg; ?><?php if (isset($_GET["deleted"])) { ?><div class="msg ok">删除成功</div><?php } ?>
+<div class="card glass form-card" style="margin-bottom:20px">
+  <h3>新增标签</h3>
+  <form method="post">
+    <div class="form-row">
+      <div class="field"><label>名称</label><input class="input" type="text" name="name" required></div>
+      <div class="field"><label>别名（slug，可选）</label><input class="input" type="text" name="slug" placeholder="english-slug"></div>
+    </div>
+    <button class="glass-btn primary" type="submit">添加</button>
+  </form>
+</div>
+<div class="card glass">
+  <table class="admin-table">
+    <thead><tr><th>ID</th><th>名称</th><th>别名</th><th>使用次数</th><th>操作</th></tr></thead>
+    <tbody>
+    <?php foreach($list as $t): ?>
+      <tr>
+        <td><?php echo $t["id"]; ?></td>
+        <td><?php echo e($t["name"]); ?></td>
+        <td class="text-muted"><?php echo e($t["slug"]); ?></td>
+        <td><?php echo $t["cnt"]; ?></td>
+        <td><div class="actions"><a href="?del=<?php echo $t["id"]; ?>" data-confirm="删除标签将解除所有文章的该标签关联，继续？">删除</a></div></td>
+      </tr>
+    <?php endforeach; ?>
+    </tbody>
+  </table>
+</div>
+<?php require __DIR__ . "/_tail.php"; ?>