diff --git a/Last_waterfall/conf.json b/Last_waterfall/conf.json
new file mode 100644
index 0000000..363d719
--- /dev/null
+++ b/Last_waterfall/conf.json
@@ -0,0 +1,11 @@
+{
+    "name": "我的第一个 Xiuno BBS 插件",
+    "brief": "我的插件介绍。",
+    "version": "1.0",
+    "bbs_version": "4.0",
+    "installed": 1,
+    "enable": 1,
+    "hooks_rank": [],
+    "overwrites_rank": [],
+    "dependencies": []
+}
\ No newline at end of file
diff --git a/Last_waterfall/hook/forum_end.php b/Last_waterfall/hook/forum_end.php
new file mode 100644
index 0000000..134c506
--- /dev/null
+++ b/Last_waterfall/hook/forum_end.php
@@ -0,0 +1,13 @@
+<?php exit;
+
+if($ajax) {
+	$forum = forum_safe_info($forum);
+	foreach($threadlist as &$thread) $thread = thread_safe_info($thread);
+	message(0, array('threadlist'=>$threadlist ));
+}
+
+//include _include(APP_PATH.'plugin/Last_waterfall/index.html');
+//exit;
+
+
+?>
\ No newline at end of file
diff --git a/Last_waterfall/hook/model_thread_create_img.php b/Last_waterfall/hook/model_thread_create_img.php
new file mode 100644
index 0000000..8ec9236
--- /dev/null
+++ b/Last_waterfall/hook/model_thread_create_img.php
@@ -0,0 +1,106 @@
+<?php exit;
+
+/**
+ * 生成缩略图函数（支持图片格式：gif、jpeg、png和bmp）
+ * @author ruxing.li
+ * @param  string $src      源图片路径
+ * @param  int    $width    缩略图宽度（只指定高度时进行等比缩放）
+ * @param  int    $width    缩略图高度（只指定宽度时进行等比缩放）
+ * @param  string $filename 保存路径（不指定时直接输出到浏览器）
+ * @return bool
+**/
+
+function mkThumbnail($src, $width = null, $height = null, $filename = null) {
+    if (!isset($width) && !isset($height))
+        return false;
+    if (isset($width) && $width <= 0)
+        return false;
+
+    $size = getimagesize($src);
+    if (!$size)
+        return false;
+
+    list($src_w, $src_h, $src_type) = $size;
+
+    if (isset($height) && $height <= 0){
+        $height = ($width / $src_w) * $src_h;
+    }
+    //return false;
+
+    $src_mime = $size['mime'];
+    switch($src_type) {
+        case 1 :
+            $img_type = 'gif';
+            break;
+        case 2 :
+            $img_type = 'jpeg';
+            break;
+        case 3 :
+            $img_type = 'png';
+            break;
+        case 15 :
+            $img_type = 'wbmp';
+            break;
+        default :
+            return false;
+    }
+
+    if (!isset($width))
+        $width = $src_w * ($height / $src_h);
+    if (!isset($height))
+        $height = $src_h * ($width / $src_w);
+
+    $imagecreatefunc = 'imagecreatefrom' . $img_type;
+    $src_img = $imagecreatefunc($src);
+    $dest_img = imagecreatetruecolor($width, $height);
+    imagecopyresampled($dest_img, $src_img, 0, 0, 0, 0, $width, $height, $src_w, $src_h);
+
+    $imagefunc = 'image' . $img_type;
+    if ($filename) {
+        $imagefunc($dest_img, $filename);
+    } else {
+        header('Content-Type: ' . $src_mime);
+        $imagefunc($dest_img);
+    }
+    imagedestroy($src_img);
+    imagedestroy($dest_img);
+    return true;
+}
+
+$avatar_type= 1; // =0 不缩放(不建议)，=1按宽度缩放， =2按高度缩放，=3按宽高拉伸，=4按宽高从中间缩放裁剪
+$avatar_h=200;
+$avatar_w=300;
+$avatar_q=70; // 压缩质量
+$avatar_num=3; //处理图片数
+
+$pattern="/\!\[*?\]\((.*?(?:[\.gif|\.jpg|\.png]))\)/";
+/**$pattern="/<[img|IMG].*?src=[\'|\"](.*?(?:[\.gif|\.jpg|\.png]))[\'|\"].*?[\/]?>/";**/ 
+$imgallcount=preg_match_all($pattern, $message ,$match);
+
+$imgs=array();
+$shownum=1;
+$imgcount=0;
+
+// 区分小文件和远程链接
+for($i=0;$i<$imgallcount;$i++){
+    if(!empty($match[0][$i])){
+        if(strstr($match[1][$i],'http://')||strstr($match[1][$i],'https://')||strstr($match[1][$i],'ftp://')){
+            if($show_upimgonly) $picsize=0;
+            else $picsize=10001;
+        }else{
+            $match[1][$i]=APP_PATH.$match[1][$i];
+            $picsize = filesize($match[1][$i]);
+        }
+        if($picsize>10000) {        //小于10K的忽略
+            $imgs[]=$match[1][$i];
+            $imgcount=$imgcount+1;
+        }
+    }
+}
+
+for($i=0;$i<$imgcount;$i++){
+    $tempaddr=$imgs[$i];
+    $ptm = $conf['upload_path'].'preview/'.$tid.'.png';
+        $ppt = mkThumbnail($tempaddr, 236, 0, $ptm);
+    if($i>=($shownum-1))    break;
+}
diff --git a/Last_waterfall/hook/model_thread_delete_end.php b/Last_waterfall/hook/model_thread_delete_end.php
new file mode 100644
index 0000000..b115b08
--- /dev/null
+++ b/Last_waterfall/hook/model_thread_delete_end.php
@@ -0,0 +1,5 @@
+<?php exit;
+
+# 删除主贴时删除缩略图像
+$ptm = $conf['upload_path'].'preview/'.$tid.'.png';
+if(file_exists($ptm)) unlink($ptm);
diff --git a/Last_waterfall/hook/model_thread_update_end.php b/Last_waterfall/hook/model_thread_update_end.php
new file mode 100644
index 0000000..33652a0
--- /dev/null
+++ b/Last_waterfall/hook/model_thread_update_end.php
@@ -0,0 +1,2 @@
+<?php exit;
+# 修改主贴时重建缩略图
diff --git a/Last_waterfall/hook/thread_info_end.php b/Last_waterfall/hook/thread_info_end.php
new file mode 100644
index 0000000..18618e1
--- /dev/null
+++ b/Last_waterfall/hook/thread_info_end.php
@@ -0,0 +1,12 @@
+<?php exit;
+
+if($ajax) {
+	$thread = thread_safe_info($thread);
+	$first = thread_safe_info($first);
+	foreach($postlist as &$post) $post = post_safe_info($post);
+	message(0, array('thread'=>$thread, 'first'=>$first, 'postlist'=>$postlist));
+}
+/**
+//include _include(APP_PATH.'plugin/Last_waterfall/index.html');
+//exit;
+**/
diff --git a/Last_waterfall/icon.png b/Last_waterfall/icon.png
new file mode 100644
index 0000000..e0cf024
Binary files /dev/null and b/Last_waterfall/icon.png differ
diff --git a/Last_waterfall/install.php b/Last_waterfall/install.php
new file mode 100644
index 0000000..f0d49b1
--- /dev/null
+++ b/Last_waterfall/install.php
@@ -0,0 +1,16 @@
+<?php
+
+/*
+	Xiuno BBS 4.0 插件安装
+	Last
+*/
+
+!defined('DEBUG') AND exit('Forbidden');
+
+//创建文件夹
+$filepath = $conf['upload_path'].'preview/';
+if(!is_dir($filepath)) mkdir($filepath);
+
+//为已有主题创建缩略图 时间可能很长
+
+message(0, '创建成功');
diff --git a/Last_waterfall/overwrite/model/thread.func.php b/Last_waterfall/overwrite/model/thread.func.php
new file mode 100644
index 0000000..01d931a
--- /dev/null
+++ b/Last_waterfall/overwrite/model/thread.func.php
@@ -0,0 +1,439 @@
+<?php
+
+// hook model_thread_start.php
+
+// ------------> 最原生的 CURD，无关联其他数据。
+
+function thread__create($arr) {
+	// hook model_thread__create_start.php
+	$r = db_insert('thread', $arr);
+	// hook model_thread__create_end.php
+	return $r;
+}
+
+function thread__update($tid, $arr) {
+	// hook model_thread__update_start.php
+	$r = db_update('thread', array('tid'=>$tid), $arr);
+	// hook model_thread__update_end.php
+	return $r;
+}
+
+function thread__read($tid) {
+	// hook model_thread__read_start.php
+	$thread = db_find_one('thread', array('tid'=>$tid));
+	// hook model_thread__read_end.php
+	return $thread;
+}
+
+function thread__delete($tid) {
+	// hook model_thread__delete_start.php
+	$r = db_delete('thread', array('tid'=>$tid));
+	// hook model_thread__delete_end.php
+	return $r;
+}
+
+function thread__find($cond = array(), $orderby = array(), $page = 1, $pagesize = 20) {
+	// hook model_thread__find_start.php
+	
+	$arrlist = db_find('thread', $cond, $orderby, $page, $pagesize, 'tid', array('tid'));
+	if(empty($arrlist)) return array();
+	
+	$tidarr = arrlist_values($arrlist, 'tid');
+	$threadlist = db_find('thread', array('tid'=>$tidarr), $orderby, 1, $pagesize, 'tid');
+	
+	// hook model_thread__find_end.php
+	return $threadlist;
+}
+
+function thread_create($arr, &$pid) {
+	global $conf, $gid;
+	$fid = $arr['fid'];
+	$uid = $arr['uid'];
+	$subject = $arr['subject'];
+	$message = $arr['message'];
+	$time = $arr['time'];
+	$longip = $arr['longip'];
+	$doctype = $arr['doctype'];
+	
+	# 论坛帖子数据，一页显示，不分页。
+	$post = array(
+		'tid'=>0,
+		'isfirst'=>1,
+		'uid'=>$uid,
+		'create_date'=>$time,
+		'userip'=>$longip,
+		'message'=>$message,
+		'doctype'=>$doctype,
+	);
+	
+	// hook model_thread_create_start.php
+	
+	$pid = post__create($post, $gid);
+	if($pid === FALSE) return FALSE;
+	
+	// 创建主题
+	$thread = array (
+		'fid'=>$fid,
+		'subject'=>$subject,
+		'uid'=>$uid,
+		'create_date'=>$time,
+		'last_date'=>$time,
+		'firstpid'=>$pid,
+		'lastpid'=>$pid,
+		'userip'=>$longip,
+	);
+	
+	// hook model_thread__create_before.php
+	
+	$tid = thread__create($thread);
+	if($tid === FALSE) {
+		post__delete($pid);
+		return FALSE;
+	}
+	// 板块总数+1, 用户发帖+1
+	
+	// hook model_thread_create_img.php
+
+	// 更新统计数据
+	$uid AND user__update($uid, array('threads+'=>1));
+	forum__update($fid, array('threads+'=>1, 'todaythreads+'=>1));
+	
+	// 关联
+	post__update($pid, array('tid'=>$tid), $tid);
+
+	// 我参与的发帖
+	$uid AND mythread_create($uid, $tid);
+	
+	// 关联附件
+	attach_assoc_post($pid);
+	
+	// 全站发帖数
+	runtime_set('threads+', 1);
+	runtime_set('todaythreads+', 1);
+	
+	// 更新板块信息。
+	forum_list_cache_delete();
+	
+	// hook model_thread_create_end.php
+	
+	return $tid;
+}
+
+// 不要在大循环里调用此函数！比较耗费资源。
+function thread_update($tid, $arr) {
+	global $conf;
+	$thread = thread__read($tid);
+	
+	// hook model_thread_update_start.php
+	
+	if(isset($arr['subject']) && $arr['subject'] != $thread['subject']) {
+		$thread['top'] > 0 AND thread_top_cache_delete();
+	}
+	
+	// 更改 fid, 移动主题，相关资源也需要更新
+	if(isset($arr['fid']) && $arr['fid'] != $thread['fid']) {
+		forum__update($arr['fid'], array('threads+'=>1));
+		forum__update($thread['fid'], array('threads-'=>1));
+		thread_top_update_by_tid($tid, $arr['fid']);
+	}
+	
+	if(!$arr) return TRUE;
+	
+	$r = thread__update($tid, $arr);
+	
+	// hook model_thread_update_end.php
+	return $r;
+}
+
+// views + 1
+function thread_inc_views($tid, $n = 1) {
+	// hook model_thread_inc_views_start.php
+	global $conf, $db;
+	$tablepre = $db->tablepre;
+	if(!$conf['update_views_on']) return TRUE;
+	$sqladd = !in_array($conf['cache']['type'], array('mysql', 'pdo_mysql')) ? '' : ' LOW_PRIORITY';
+	$r = db_exec("UPDATE$sqladd `{$tablepre}thread` SET views=views+$n WHERE tid='$tid'");
+	// hook model_thread_inc_views_end.php
+	return $r;
+}
+
+function thread_read($tid) {
+	// hook model_thread_read_start.php
+	$thread = thread__read($tid);
+	thread_format($thread);
+	// hook model_thread_read_end.php
+	return $thread;
+}
+
+// 从缓存中读取，避免重复从数据库取数据，主要用来前端显示，可能有延迟。重要业务逻辑不要调用此函数，数据可能不准确，因为并没有清理缓存，针对 request 生命周期有效。
+function thread_read_cache($tid) {
+	// hook model_thread_read_cache_start.php
+	static $cache = array(); // 用静态变量只能在当前 request 生命周期缓存，要跨进程，可以再加一层缓存： memcached/xcache/apc/
+	if(isset($cache[$tid])) return $cache[$tid];
+	$cache[$tid] = thread_read($tid);
+	// hook model_thread_read_cache_end.php
+	return $cache[$tid];
+}
+
+// 删除主题
+function thread_delete($tid) {
+	global $conf;
+	$thread = thread__read($tid);
+	if(empty($thread)) return TRUE;
+	$fid = $thread['fid'];
+	$uid = $thread['uid'];
+	
+	// hook model_thread_delete_start.php
+	
+	// 删除所有回帖，同时更新 posts 统计数
+	$n = post_delete_by_tid($tid);
+	
+	// 删除我的主题
+	$uid AND mythread_delete($uid, $tid);
+	
+	// 清除相关缓存
+	forum_list_cache_delete();
+	
+	$r = thread__delete($tid);
+	if($r === FALSE) return FALSE;
+	
+	// 更新统计
+	forum__update($fid, array('threads-'=>1));
+	user__update($uid, array('threads-'=>1));
+	
+	// 全站统计
+	runtime_set('threads-', 1);
+	
+	// hook model_thread_delete_end.php
+	
+	return $r;
+}
+
+function thread_find($cond = array(), $orderby = array(), $page = 1, $pagesize = 20) {
+	// hook model_thread_find_start.php
+	$threadlist = thread__find($cond, $orderby, $page, $pagesize);
+	if($threadlist) foreach ($threadlist as &$thread) thread_format($thread);
+	// hook model_thread_find_end.php
+	return $threadlist;
+}
+
+// $order: tid/lastpid
+// 按照: 发帖时间/最后回复时间 倒序，不包含置顶帖
+function thread__find_by_fid($fid, $page = 1, $pagesize = 20, $order = 'lastpid') {
+	global $conf, $forumlist, $runtime;
+	$forum = $fid ? $forumlist[$fid] : array();
+	$threads = empty($forum) ? $runtime['threads'] : $forum['threads'];
+	
+	// hook model__thread_find_by_fid_start.php
+	
+	$cond = array();
+	$fid AND $cond['fid'] = $fid;
+	
+	$desc = TRUE;
+	$limitpage = 50000; // 如果需要防止 CC 攻击，可以调整为 5000
+	if($page > 100) {
+		$totalpage = ceil($threads / $pagesize);
+		$halfpage = ceil($totalpage / 2);
+		if($halfpage > $limitpage && $page < ($totalpage - $limitpage)) {
+			$page = $limitpage;
+		}
+		if($page > $halfpage) {
+			$page = max(1, $totalpage - $page + 1) ;
+			$threadlist = thread_find($cond, array($order=>1), $page, $pagesize);
+			$threadlist = array_reverse($threadlist, TRUE);
+			$desc = FALSE;
+		}
+	}
+	if($desc) {
+		$orderby = array($order=>-1);
+		$threadlist = thread_find($cond, $orderby, $page, $pagesize);
+	}
+	
+	// hook model__thread_find_by_fid_end.php
+	
+	return $threadlist;
+}
+
+// $order: tid/lastpid
+// 按照: 发帖时间/最后回复时间 倒序，包含置顶帖
+function thread_find_by_fid($fid, $page = 1, $pagesize = 20, $order = 'lastpid') {
+	global $conf, $forumlist, $runtime;
+
+	// hook model_thread_find_by_fid_start.php
+
+	$threadlist = thread__find_by_fid($fid, $page, $pagesize, $order);
+
+	// hook model_thread_find_by_fid_middle.php
+	
+	// 查找置顶帖
+	if($order == $conf['order_default'] && $page == 1) {
+		$toplist3 = thread_top_find(0);
+		$toplist1 = $fid ? thread_top_find($fid) : array();
+		$threadlist = $toplist3 + $toplist1 + $threadlist;
+	}
+	
+	// hook model_thread_find_by_fid_end.php
+	return $threadlist;
+}
+
+// 从多个版块获取列表数据
+function thread_find_by_fids($fids, $page = 1, $pagesize = 20, $order = 'lastpid', $threads = FALSE) {
+	
+	// hook model_thread_find_by_fids_start.php
+	
+	$threadlist = thread_find(array('fid'=>$fids), array($order=>-1), $page, $pagesize);
+	
+	// hook model_thread_find_by_fids_end.php
+	
+	return $threadlist;
+}
+
+// 默认搜索标题
+function thread_find_by_keyword($keyword) {
+	// hook model_thread_find_by_keyword_start.php
+	$threadlist = db_find('thread', array('subject'=>array('LIKE'=>$keyword)), array(), 1, 60);
+	$threadlist = arrlist_multisort($threadlist, 'tid', FALSE); // 用 PHP 排序，mysql 排序消耗太大。
+	if($threadlist) {
+		foreach ($threadlist as &$thread) {
+			thread_format($thread);
+			$thread['subject'] = post_highlight_keyword($thread['subject'], $keyword);
+		}
+	}
+	// hook model_thread_find_by_keyword_end.php
+	return $threadlist;
+}
+
+
+function thread_format(&$thread) {
+	
+	global $conf, $forumlist;
+	if(empty($thread)) return;
+	
+	// hook model_thread_format_start.php
+	
+	$thread['create_date_fmt'] = humandate($thread['create_date']);
+	$thread['last_date_fmt'] = humandate($thread['last_date']);
+	
+	$user = user_read_cache($thread['uid']);
+	$thread['username'] = $user['username'];
+	$thread['user_avatar_url'] = $user['avatar_url'];
+	$thread['user'] = $user;
+	
+	$forum = isset($forumlist[$thread['fid']]) ? $forumlist[$thread['fid']] : array('name'=>'');
+	$thread['forumname'] = $forum['name'];
+	
+	if($thread['last_date'] == $thread['create_date']) {
+		//$thread['last_date'] = 0;
+		$thread['last_date_fmt'] = '';
+		$thread['lastuid'] = 0;
+		$thread['lastusername'] = '';
+	} else {
+		$lastuser = $thread['lastuid'] ? user_read_cache($thread['lastuid']) : array();
+		$thread['lastusername'] = $thread['lastuid'] ? $lastuser['username'] : lang('guest');
+	}
+	
+	$thread['url'] = "thread-$thread[tid].htm";
+	$thread['user_url'] = "user-$thread[uid]".($thread['uid'] ? '' : "-$thread[firstpid]").".htm";
+	
+	$thread['top_class'] = $thread['top'] ? 'top_'.$thread['top'] : '';
+
+	$thread['pages'] = ceil($thread['posts'] / $conf['postlist_pagesize']);
+		
+	// hook model_thread_format_end.php
+}
+
+function thread_format_last_date(&$thread) {
+	// hook model_thread_format_last_date_start.php
+	if($thread['last_date'] != $thread['create_date']) {
+		$thread['last_date_fmt'] = humandate($thread['last_date']);
+	} else {
+		$thread['create_date_fmt'] = humandate($thread['create_date']);
+	}
+	// hook model_thread_format_last_date_end.php
+}
+
+function thread_count($cond = array()) {
+	// hook model_thread_count_start.php
+	$n = db_count('thread', $cond);
+	// hook model_thread_count_end.php
+	return $n;
+}
+
+function thread_maxid() {
+	// hook model_thread_maxid_start.php
+	$n = db_maxid('thread', 'tid');
+	// hook model_thread_maxid_end.php
+	return $n;
+}
+
+function thread_safe_info($thread) {
+	// hook model_thread_safe_info_start.php
+	unset($thread['userip']);
+	if(!empty($thread['user'])) {
+		$thread['user'] = user_safe_info($thread['user']);
+	}
+	// hook model_thread_safe_info_end.php
+	return $thread;
+}
+
+function thread_get_level($n, $levelarr) {
+	// hook model_thread_get_level_start.php
+	foreach($levelarr as $k=>$level) {
+		if($n <= $level) return $k;
+	}
+	// hook model_thread_get_level_end.php
+	return $k;
+}
+
+
+// 对 $threadlist 权限过滤
+function thread_list_access_filter(&$threadlist, $gid) {
+	global $conf, $forumlist;
+	if(empty($threadlist)) return;
+	
+	// hook model_thread_list_access_filter_start.php
+	
+	foreach($threadlist as $tid=>$thread) {
+		if(empty($forumlist[$thread['fid']]['accesson'])) continue;
+		if($thread['top'] > 0) continue;
+		if(!forum_access_user($thread['fid'], $gid, 'allowread')) {
+			unset($threadlist[$tid]);
+		}
+	}
+	// hook model_thread_list_access_filter_end.php
+}
+
+function thread_find_by_tids($tids, $order = array()) {
+	// hook model_thread_find_by_tids_start.php
+	//$start = ($page - 1) * $pagesize;
+	//$tids = array_slice($tids, $start, $pagesize);
+	if(!$tids) return array();
+	$threadlist = db_find('thread', array('tid'=>$tids), $order, 1, 1000, 'tid');
+	if($threadlist) foreach($threadlist as &$thread) thread_format($thread);
+	// hook model_thread_find_by_tids_end.php
+	return $threadlist;
+}
+
+// 查找 lastpid
+function thread_find_lastpid($tid) {
+	$arr = db_find_one("post", array('tid'=>$tid), array('pid'=>-1), array('pid'));
+	$lastpid = empty($arr) ? 0 : $arr['pid'];
+	return $lastpid;
+}
+
+// 更新最后的 uid pid
+function thread_update_last($tid) {
+	$lastpid = thread_find_lastpid($tid);
+	if(empty($lastpid)) return;
+	
+	$lastpost = post__read($lastpid);
+	if(empty($lastpost)) return;
+	
+	$r = thread__update($tid, array('lastpid'=>$lastpid, 'lastuid'=>$lastpost['uid'], 'last_date'=>$lastpost['create_date']));
+
+	return $r;
+}
+
+// hook model_thread_end.php
+
+?>
\ No newline at end of file
diff --git a/Last_waterfall/overwrite/view/htm/forum.htm b/Last_waterfall/overwrite/view/htm/forum.htm
new file mode 100644
index 0000000..a2a621f
--- /dev/null
+++ b/Last_waterfall/overwrite/view/htm/forum.htm
@@ -0,0 +1,29 @@
+<?php include _include(APP_PATH.'view/htm/header.inc.htm');?>
+
+<link href=/static/css/app.68927446012606a09e5e69d157b5756e.css rel=stylesheet>
+<!--{hook forum_start.htm}-->
+
+
+
+
+
+<div id=app>
+    <div id=data>预读数据, 但不会显示出来 文章中可能存在链接 list 中只有 list 的链接 但是这样没有导航.. 首屏导航也是必要提供的</div>
+</div>
+
+<script type=text/javascript src=/static/js/manifest.2ae2e69a05c33dfc65f8.js></script>
+<script type=text/javascript src=/static/js/vendor.e4b9760a1641fce70b0b.js></script>
+<script type=text/javascript src=/static/js/app.f9ef6ba6e5262131f85d.js></script>
+
+<!--{hook forum_end.htm}-->
+
+</div>
+</main>
+
+<script>
+    $('li[data-active="fid-<?php echo $fid;?>"]').addClass('active');
+</script>
+</body>
+</html>
+
+<!--{hook forum_js.htm}-->
diff --git a/Last_waterfall/route/api.php b/Last_waterfall/route/api.php
new file mode 100644
index 0000000..1e1f539
--- /dev/null
+++ b/Last_waterfall/route/api.php
@@ -0,0 +1,87 @@
+<?php exit;
+
+
+// 检查登录状态, 必须已登录
+
+// 检查发言权限, 是否禁言用户
+
+
+// 完全的 POST, 不必检查
+$type = $_POST['type'];
+
+switch ($type) {
+case 'post':
+	$tid = $_POST['tid'];
+	$msg = $_POST['msg'];
+	// 检查参数正确与存在
+
+		// 验证各参数
+		$message = param('msg', '', FALSE);
+		empty($message) AND message('message', lang('please_input_message'));
+		
+		$doctype = param('doctype', 0);
+		xn_strlen($message) > 2028000 AND message('message', lang('message_too_long'));
+		
+		$thread['top'] > 0 AND thread_top_cache_delete();
+		
+		$quotepid = param('quotepid', 0);
+		$quotepost = post__read($quotepid);
+		(!$quotepost || $quotepost['tid'] != $tid) AND $quotepid = 0;
+		
+		$post = array(
+			'tid'=>$tid,
+			'uid'=>$uid,
+			'create_date'=>$time,
+			'userip'=>$longip,
+			'isfirst'=>0,
+			'doctype'=>$doctype,
+			'quotepid'=>$quotepid,
+			'message'=>$message,
+		);
+		$pid = post_create($post, $fid, $gid);
+		empty($pid) AND message(-1, lang('create_post_failed'));
+		
+		// thread_top_create($fid, $tid);
+
+		$post = post_read($pid);
+		$post['floor'] = $thread['posts'] + 2;
+		$postlist = array($post);
+		
+		$allowpost = forum_access_user($fid, $gid, 'allowpost');
+		$allowupdate = forum_access_mod($fid, $gid, 'allowupdate');
+		$allowdelete = forum_access_mod($fid, $gid, 'allowdelete');
+		
+		// hook post_post_end.php
+		
+		// 直接返回帖子的 html
+		// return the html string to browser.
+		$return_html = param('return_html', 0);
+		if($return_html) {
+			$filelist = array();
+			ob_start();
+			include _include(APP_PATH.'view/htm/post_list.inc.htm');
+			$s = ob_get_clean();
+						
+			message(0, $s);
+		} else {
+			message(0, lang('create_post_sucessfully'));
+		}
+
+
+
+
+
+
+	// 写入库
+	// 返回状态
+    echo "你喜欢的颜色是红色!";
+    break;
+case 'repyle':
+    echo "你喜欢的颜色是蓝色!";
+    break;
+case 'thread':
+    echo "你喜欢的颜色是绿色!";
+    break;
+default:
+    echo "你喜欢的颜色不是 红, 蓝, 或绿色!";
+}
\ No newline at end of file
diff --git a/Last_waterfall/unstall.php b/Last_waterfall/unstall.php
new file mode 100644
index 0000000..71530de
--- /dev/null
+++ b/Last_waterfall/unstall.php
@@ -0,0 +1,36 @@
+<?php
+
+/*
+	Xiuno BBS 4.0 插件安装
+	Last
+*/
+
+!defined('DEBUG') AND exit('Forbidden');
+
+function deldir($dir) {
+  //先删除目录下的文件：
+  $dh=opendir($dir);
+  while ($file=readdir($dh)) {
+    if($file!="." && $file!="..") {
+      $fullpath=$dir."/".$file;
+      if(!is_dir($fullpath)) {
+          unlink($fullpath);
+      } else {
+          deldir($fullpath);
+      }
+    }
+  }
+
+  closedir($dh);
+  //删除当前文件夹：
+  if(rmdir($dir)) {
+    return true;
+  } else {
+    return false;
+  }
+}
+
+$filepath = $conf['upload_path'].'preview/';
+if(!is_dir($filepath)) deldir($dir);
+
+message(0, '删除成功');