ThinkPHP无限级分类原理实现留言与回复功能实例

这篇文章主要介绍了ThinkPHP无限级分类原理实现留言与回复功能实例,并附带有完整的项目源码下载供大家学习参考,非常具有实用价值,需要的朋友可以参考下

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：

-- ----------------------------     
-- 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：

<?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。