93 lines
4.6 KiB
PHP
93 lines
4.6 KiB
PHP
<?php
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/**
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* 附件缩略图墙(v24 用户第 3 条)
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*
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* 一处渲染、全站通用:旅程节点 / 资源 / 任务 / 日程的附件都长一样。
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*
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* 规则(用户原话):
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* · 图片、视频 → **缩略图**,点开在**本页**预览(不再新开标签页)
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* · PDF → 浏览器里直接预览(自带阅读器)
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* · Word / Excel / PPT / 其它 → 一个**和缩略图一样大**的图标,点了直接下载
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* (浏览器渲染不了的东西,绝不装一个"点了没反应"的预览)
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* · 预览框**右上角**恒有一个下载按钮
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*
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* 用法(先准备变量再 require):
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* $attRows 附件行(Attachment::list 的结果)
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* $attCanEdit 是否显示删除按钮
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* $attDelUrl 删除动作的路由名(如 'resources/attach_del')
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* $attHostId 删除时要回传的宿主 id(表单里的隐藏字段用 $attHostKey 指定键名)
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* $attDelField 删除表单里「附件 id」的字段名(各路由不一致:有的叫 id、有的叫 attach_id)
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* $attExtra 额外隐藏字段 [键 => 值](如日程要连带传宿主 id 才能判权限)
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*
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* ⚠️ 无 JS 也能用:可预览的是 <a href=预览地址>,不可预览的是 <a href=下载地址>,
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* 脚本只是把"可预览"的那部分拦下来改成弹层。
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*/
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$attCanEdit = !empty($attCanEdit);
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$attRows = $attRows ?? [];
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$attDelField = $attDelField ?? 'id';
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$attExtra = $attExtra ?? [];
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$attDelUrl = $attDelUrl ?? '';
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?>
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<?php if ($attRows): ?>
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<div class="att-wall">
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<?php foreach ($attRows as $a): ?>
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<?php
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$kind = \App\Attachment::kind($a);
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$canPrev = \App\Attachment::previewable($a);
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$view = media_url((string)$a['key']);
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$dl = media_url((string)$a['key'], ['dl' => 1]);
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$nm = (string)($a['name'] ?? '');
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$sz = \App\Attachment::sizeWord($a['size'] ?? 0);
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?>
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<div class="att-cell">
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<?php if ($canPrev): ?>
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<a class="att-thumb att-kind-<?= e($kind) ?>"
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href="<?= e($view) ?>"
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data-prev="<?= e($kind === 'pdf' ? 'pdf' : ($kind === 'video' ? 'video' : 'image')) ?>"
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data-src="<?= e($view) ?>"
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data-dl="<?= e($dl) ?>"
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data-name="<?= e($nm !== '' ? $nm : \App\Attachment::kindWord($kind)) ?>"
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data-size="<?= e($sz) ?>"
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title="<?= e($nm) ?>">
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<?php if ($kind === 'image'): ?>
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<img src="<?= e($view) ?>" alt="<?= e($nm) ?>" loading="lazy">
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<?php elseif ($kind === 'video'): ?>
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<?php /* #t=0.1 让浏览器把第 0.1 秒那一帧当封面显示出来 ——
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没有它视频位就是一块黑板,看不出这是段什么视频。 */ ?>
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<video src="<?= e($view) ?>#t=0.1" preload="metadata" muted playsinline></video>
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<span class="att-play" aria-hidden="true">▶</span>
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<?php else: ?>
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<span class="att-doc att-doc-pdf">PDF</span>
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<?php endif; ?>
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</a>
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<?php else: ?>
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<a class="att-thumb att-kind-<?= e($kind) ?>" href="<?= e($dl) ?>"
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title="<?= e($nm) ?>(点击下载)">
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<span class="att-doc att-doc-<?= e($kind) ?>"><?= e(\App\Attachment::kindWord($kind)) ?></span>
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</a>
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<?php endif; ?>
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<div class="att-meta">
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<span class="att-fname" title="<?= e($nm) ?>"><?= e($nm !== '' ? $nm : \App\Attachment::kindWord($kind)) ?></span>
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<span class="att-fsize"><?= e($sz) ?></span>
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<a class="link-quiet att-dl" href="<?= e($dl) ?>">下载</a>
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<?php if ($attCanEdit && !empty($attDelUrl)): ?>
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<form method="post" action="<?= e(url($attDelUrl)) ?>" class="att-del">
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<?= csrf_field() ?>
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<input type="hidden" name="<?= e($attDelField) ?>" value="<?= (int)$a['id'] ?>">
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<?php foreach ($attExtra as $ek => $ev): ?>
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<input type="hidden" name="<?= e((string)$ek) ?>" value="<?= e((string)$ev) ?>">
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<?php endforeach; ?>
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<button class="btn btn-ghost btn-sm" type="submit"
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onclick="return confirm('删掉这个附件?')">删除</button>
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</form>
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<?php endif; ?>
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</div>
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</div>
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<?php endforeach; ?>
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<?php /* ⚠️ 循环里用到的临时变量一律用完即清:宿主模板里很可能也有 $a / $kind /
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$view / $dl / $nm / $sz(各模块页面都爱用这种短名),留着就是静默覆盖。 */ ?>
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<?php unset($a, $kind, $canPrev, $view, $dl, $nm, $sz); ?>
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</div>
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<?php endif; ?>
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