本文所述留言板程序使用了无限级分类的原理,可以实现无限级留言与回复。留言列表gclist保留了留言层次空格,使留言--回复层次分明。分享给大家供大家参考。具体分析如下:

功能上,本程序可以实现无限级留言与回复,即对留言回复,对回复的留言回复。当然你也可以作有限制的控制,使其只对留言回复,关键是在模板代码中去掉回复的留言中的“回复该留言”即可。欢迎去拍砖!

程序效果如下图所示:

完整源码点击此处本站下载。

数据表:

复制代码 代码如下:-- ----------------------------    
-- Table structure for `wb_guestbook`    
-- ----------------------------    
DROP TABLE IF EXISTS `wb_guestbook`;    
CREATE TABLE `eway_guestbook` (    
  `id` int(10) unsigned NOT NULL AUTO_INCREMENT,    
  `pid` int(10) NOT NULL,    
  `email` varchar(50) NOT NULL,    
  `path` varchar(100) NOT NULL,    
  `username` varchar(30) NOT NULL,    
  `updatetime` int(10) NOT NULL,    
  `ip` varchar(15) NOT NULL,    
  `url` varchar(200) NOT NULL,    
  `inputtime` int(10) NOT NULL,    
  `content` text NOT NULL,    
  `verify` varchar(32) NOT NULL,    
  `isreply` tinyint(1) NOT NULL,    
  `status` tinyint(1) NOT NULL,    
  PRIMARY KEY (`id`)    
) ENGINE=MyISAM AUTO_INCREMENT=42 DEFAULT CHARSET=utf8;

代码:

复制代码 代码如下:<?php    
// +----------------------------------------------------------------------    
// | WBlog    
// +----------------------------------------------------------------------    
// | Copyright (c) 2008  http://www.w3note.com All rights reserved.    
// +----------------------------------------------------------------------    
// | Author: 网菠萝果    
// +----------------------------------------------------------------------    
// $Id$    
/**    
 +------------------------------------------------------------------------------    
 * @class 留言板控制器GuestbookAction.class.php    
 +------------------------------------------------------------------------------    
 */
class GuestbookAction extends CommonAction {    
    public function index(){    
        $garr= D("Guestbook")->gclist("id,username,inputtime,pid,url,content,path,concat(path,"-",id) as bpath");    
                 
        $this->assign("Gklist", $garr["list"]);    
        $this->assign("page",$garr["page"]);    
        $this->display();    
    }    
// +----------------------------------------------------------------------    
// | 添加留言    
// +----------------------------------------------------------------------    
                 
    public function add(){    
        $this->adddata("Guestbook");    
                         
        }    
// +----------------------------------------------------------------------    
// | 网址跳转。如在表单url添加网址的话,点击会跳转到相关网站    
// +----------------------------------------------------------------------    
         
    public function tourl(){    
      $this->gettourl("Guestbook");    
      }     
}    
?>    
<?php    
// +----------------------------------------------------------------------    
// | WBlog    
// +----------------------------------------------------------------------    
// | Copyright (c) 2008   http://www.w3note.com All rights reserved.    
// | Author: 网菠萝果    
// +----------------------------------------------------------------------    
// $Id$    
/**    
 +------------------------------------------------------------------------------    
 * @function 留言板模型 类GuestbookModel.class.php   
 +------------------------------------------------------------------------------    
 */
         
class GuestbookModel extends RelationModel{    
// +----------------------------------------------------------------------    
// | $_validate表单自动验证    
// +----------------------------------------------------------------------    
         
     protected $_validate  = array(    
                array("email","require","请填写您的邮箱!"),    
                array("email","email","邮箱格式错误!"),     
                         
               );    
// +----------------------------------------------------------------------    
// | $_auto表单自动填充    
// +----------------------------------------------------------------------    
                  
        protected $_auto=array(    
                 array("status","1"),      
                 array("inputtime","time",1,"function"),    
                 array("content","content",1,"callback"),    
                 array("url","geturl",1,"callback"),                    
                 array ("inputtime","time",1,"function"),    
                 array("path","path",3,"callback"),     
                 array("username","getusername",3,"callback"),                         
                   );       
// +----------------------------------------------------------------------    
// | getusername()过滤用户名    
// +----------------------------------------------------------------------            
      public function getusername(){    
          if (isset ($_POST["username"])) {    
            if(trim($_POST["username"])=="网菠萝果"){    
                return $data= " ̄□ ̄";        
            }elseif(strlen($_POST["username"]) >10){                 
                return $data= msubstr($_POST["username"],0,5);    
            }else{    
                return $data= $_POST["username"];    
            }    
        }       
        }     
// +----------------------------------------------------------------------    
// | path()返回子类的path,父类的path的值为0    
// +----------------------------------------------------------------------      
     public function path(){    
           $pid=isset($_POST["pid"])?(int)$_POST["pid"]:0;    
           $id=$_POST["id"];    
            if($pid==0){                    
                return 0;    
            }    
                     
            $fat=$this->where(array("id" => $pid))->find();    
            $data=$fat["path"]."-".$fat["id"];              
            return $data;    
        }    
// +----------------------------------------------------------------------    
// | content()过滤留言内容    
// +----------------------------------------------------------------------            
    public function content() {    
        if (isset ($_POST["content"]) && !empty ($_POST["content"])) {    
             $data =deleteHtmlTags($_POST["content"]);    
             $data =safeHtml($data);    
            if (strlen($data) > 1000) {    
                $data = msubstr($data, 0, 500);    
            }    
            return $data;    
          }    
           }    
 // +----------------------------------------------------------------------    
// | content()过滤URL    
// +----------------------------------------------------------------------                
    public function geturl(){    
        if (isset ($_POST["url"])) {    
        $data = deleteHtmlTags($_POST["url"]);    
        $data = safeHtml($data);    
            return $data=$data?$data:"";    
        }    
    }       
// +----------------------------------------------------------------------    
// |gclist($field,$where="",$pagesize=30)留言列表    
// +----------------------------------------------------------------------    
// |$field,字段    
// +----------------------------------------------------------------------    
// |$where查询条件,默认为空    
// +----------------------------------------------------------------------    
// |$pagesize分页记录,默认为30     
// +----------------------------------------------------------------------    
// |使用方法,看上面的控制器调用    
// +----------------------------------------------------------------------    
         
     public function gclist($field,$where="",$pagesize=30) {    
        import("ORG.Util.Page");    
         $count = $this->field("id")->where($where)->count();    
         $P = new Page($count, $pagesize);    
                  
        $list=$this->field($field)->where($where)->order("bpath,id")->limit($P->firstRow . "," . $P->listRows)->select();    
         
        foreach ($list as $k => $v) {    
            $list[$k]["count"] = count(explode("-", $v["bpath"]));    
            $list[$k]["tousername"]=$this->where(array("id"=> $v["pid"]))->getField("username");    
            $str = "";    
            if ($v["pid"] <> 0) {    
                for ($i = 0; $i < $list[$k]["count"] * 2; $i++) {    
                    $str .= " ";    
                }    
                $str .= " ";    
            }    
            $list[$k]["space"] = $str;    
        }    
        $P->setConfig("header", "篇");    
        $P->setConfig("prev", "«");    
        $P->setConfig("next", "»");    
        $P->setConfig("first", "|«");    
        $P->setConfig("last", "»|");    
        $page = $P->show();    
        $arr=array("page"=>$page,"list"=>$list);    
        return $arr;    
    }    
}    
?>

希望本文所述对大家的ThinkPHP框架程序设计有所帮助。