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app/Views/admin/banner_form.php

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+<?php
+$v = function ($k, $d = '') use ($b) { return $b ? ($b[$k] ?? $d) : $d; };
+$isEdit = !empty($b);
+?>
+<div class="page-head">
+    <div><h1><?php echo $isEdit ? '编辑轮播' : '新增轮播'; ?></h1><div class="desc">背景可填 CSS 渐变或图片地址</div></div>
+    <a class="btn-ghost" href="<?php echo site_url('admin/banners'); ?>">← 返回</a>
+</div>
+<div class="admin-card">
+    <form method="post" action="<?php echo site_url($isEdit ? 'admin/banners/update/' . $b['id'] : 'admin/banners/store'); ?>" enctype="multipart/form-data">
+        <?php echo csrf_field(); ?>
+        <div class="form-grid">
+            <div class="field"><label>标题 *</label><input name="title" value="<?php echo e($v('title')); ?>" required></div>
+            <div class="field"><label>副标题</label><input name="subtitle" value="<?php echo e($v('subtitle')); ?>"></div>
+        </div>
+        <div class="field"><label>链接地址（如 /products）</label><input name="link" value="<?php echo e($v('link')); ?>"></div>
+        <div class="form-grid">
+            <div class="field"><label>背景图（上传，可选）</label><input type="file" name="image" accept="image/*"></div>
+            <div class="field"><label>或背景（图片地址 / CSS 渐变）</label><input name="image" value="<?php echo e($v('image')); ?>" placeholder="linear-gradient(135deg,#0ea5e9,#14b8a6)"></div>
+        </div>
+        <div class="field"><label>排序</label><input name="sort_order" type="number" value="<?php echo e($v('sort_order', 0)); ?>"></div>
+        <div class="field" style="display:flex;align-items:center;gap:8px">
+            <input type="checkbox" name="status" value="1" <?php echo $v('status', 1) ? 'checked' : ''; ?> id="st"> <label for="st" style="margin:0">显示</label>
+        </div>
+        <div class="form-actions">
+            <button class="btn-primary" type="submit">保存</button>
+            <a class="btn-ghost" href="<?php echo site_url('admin/banners'); ?>">取消</a>
+        </div>
+    </form>
+</div>