first commit

admin/preview.php

@@ -0,0 +1,27 @@
+<?php
+
+include 'common.php';
+
+/** 获取内容 Widget */
+\Widget\Archive::alloc('type=single&checkPermalink=0&preview=1')->to($content);
+
+/** 检测是否存在 */
+if (!$content->have()) {
+    $response->redirect($options->adminUrl);
+}
+
+/** 检测权限 */
+if (!$user->pass('editor', true) && $content->authorId != $user->uid) {
+    $response->redirect($options->adminUrl);
+}
+
+/** 输出内容 */
+$content->render();
+?>
+<script>
+    window.onbeforeunload = function () {
+        if (!!window.parent) {
+            window.parent.postMessage('cancelPreview', '<?php $options->rootUrl(); ?>');
+        }
+    }
+</script>