136 lines
4.2 KiB
PHP
136 lines
4.2 KiB
PHP
<?php
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$pageTitle = '网站后台管理 - 头像修改';
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$page = 'users';
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include_once("header.php");
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?>
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<?php
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if (count($_FILES) > 0) {
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// php传图片会默认放在临时目录下，在程序执行结束后就会自动删除
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// php上传图片，本质上就是从临时目录中将文件及时移动到指定目录下
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// 先获取图片的格式
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$ext = pathinfo($_FILES["avatar"]["name"], PATHINFO_EXTENSION);
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$img_path = "images/avatar/" . date("YmdHis") . mt_rand(10000, 99999) . "." . $ext;
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move_uploaded_file($_FILES["avatar"]["tmp_name"], $img_path);
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// 写入数据库中
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$id = $_GET["id"];
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$sql = "UPDATE users SET avatar = '$img_path' WHERE id = $id";
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if (mysqli_query($conn, $sql) === TRUE) {
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echo "<script>alert('头像修改成功');location.href='users_list.php'</script>";
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} else {
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echo "Error: " . $sql . "<br>" . $conn->error;
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}
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}
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// 获取当前的头像
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$sql = "select * from users where id = '" . $_GET["id"] . "'";
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$result = mysqli_query($conn, $sql);
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$row = mysqli_fetch_assoc($result);
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$avatar = $row["avatar"];
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?>
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<main class="main-content">
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<div class="page-header page-header-bar">
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<div>
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<h2>头像修改</h2>
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<p>更新用户头像</p>
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</div>
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</div>
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<div class="form-card">
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<div class="avatar-preview">
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<div class="avatar-current">
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<p class="avatar-label">当前头像</p>
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<div class="avatar-img-wrap">
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<?php if ($avatar): ?>
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<img src="<?php echo $avatar; ?>" alt="当前头像">
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<?php else: ?>
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<div class="avatar-placeholder">👤</div>
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<?php endif; ?>
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</div>
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</div>
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</div>
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<form action="" method="post" enctype="multipart/form-data">
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<div class="form-group">
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<label for="avatar">上传新头像</label>
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<div class="file-upload-wrap">
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<input type="file" name="avatar" id="avatar" accept="image/*" required>
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</div>
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<p class="form-hint">支持 JPG、PNG、GIF 格式，文件大小不超过 2MB</p>
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</div>
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<div class="btn-group">
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<button type="submit" class="btn btn-primary">
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<span>💾</span>
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<span>上传头像</span>
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</button>
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<a href="users_list.php" class="btn btn-secondary">取消</a>
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</div>
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</form>
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</div>
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</main>
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<style>
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.avatar-preview {
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display: flex;
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justify-content: center;
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margin-bottom: 32px;
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}
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.avatar-current {
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text-align: center;
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}
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.avatar-label {
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font-size: 14px;
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color: #6b7280;
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margin-bottom: 16px;
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letter-spacing: 0.5px;
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}
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.avatar-img-wrap {
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width: 120px;
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height: 120px;
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border-radius: 50%;
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overflow: hidden;
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border: 3px solid #e5e7eb;
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background: #f9fafb;
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display: flex;
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align-items: center;
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justify-content: center;
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margin: 0 auto;
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transition: border-color 0.2s ease;
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}
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.avatar-img-wrap:hover {
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border-color: #3b82f6;
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}
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.avatar-img-wrap img {
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width: 100%;
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height: 100%;
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object-fit: cover;
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}
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.avatar-placeholder {
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font-size: 48px;
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color: #9ca3af;
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}
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.file-upload-wrap input[type="file"] {
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padding: 10px 16px;
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background: #f9fafb;
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border: 2px dashed #d1d5db;
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border-radius: 8px;
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cursor: pointer;
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transition: all 0.2s ease;
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}
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.file-upload-wrap input[type="file"]:hover {
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border-color: #3b82f6;
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background: #eff6ff;
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}
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</style>
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</body>
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</html>
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