最近新写的几个库类文件，给大家PP吧。

复制PHP内容到剪贴板

PHP代码:

<?php
/**
 * filename: DB_Mysql.class.php
 * @package:phpbean
 * @author :feifengxlq<[email][email protected][/email]>
 * @copyright :Copyright 2006 feifengxlq
 * @license:version 1.1
 * create:2006-5-30
 * description:the interface of mysql.
 * 
 * example:
 * ////////////Select action (First mode)//////////////////////////////
try{
 $mysql=new DB_Mysql("localhost","root","root","root");    
 $rs=$mysql->query("select * from test");
 for($i=0;$i<$mysql->num_rows($rs);$i++)
     $record[$i]=$mysql->seek($i);
 print_r($record);
 $mysql->close();
}catch (Exception $e)
{
    printf("%s",$e->__toString());
}
 * ////////////Select action (Second mode)//////////////////////////////
try{
  $mysql=new DB_Mysql("localhost","root","root","root");
  $rs=$mysql->execute("select * from test");
  print_r($rs);
  $mysql->close();
}catch (Exception $e)
{
    printf("%s",$e->__toString());
}
 * /////////////insert action////////////////////////////
try {
    $mysql=new DB_Mysql("localhost","root","root","root");    
    $mysql->query("insert into test(username) values('test from my DB_mysql')");
    printf("%s",$mysql->insert_id());
    $mysql->close();
}catch (Exception $e)
{
    printf("%s",$e->__toString());
}
 */
require_once(ROOT_PATH."/../library/libs/exception/DB_Mysql_Exception.class.php");
class DB_Mysql{
    
    /* private: connection parameters */
    private $host="localhost";
    private $database="";
    private $user="root";
    private $password="";
    
    /* private: configuration parameters */
    private $pconnect=false;
    private $debug=false;
    
    /* private: result array and current row number */
    private $link_id=0;
    private $query_id=0;
    private $record=array();
    
    /**
     * construct 
     *
     * @param string $host
     * @param string $user
     * @param string $password
     * @param string $database
     */
    public function __construct($host="localhost",$user="root",$password="",$database="")
    {
        $this->set("host",$host);
        $this->set("user",$user);
        $this->set("password",$password);
        $this->set("database",$database);
        $this->connect();
    }
    
    /**
     * set the value for the param of this class
     *
     * @param string $var
     * @param string $value
     */
    public function set($var,$value)
    {
        $this->$var=$value;
    }
    
    
    /**
     * connect to a mysql server,and choose the database.
     *
     * @param string $database
     * @param string $host
     * @param string $user
     * @param string $password
     * @return link_id
     */
    public function connect($database="",$host="",$user="",$password="")
    {
        if(!empty($database))$this->set("database",$database);
        if(!empty($host))$this->set("host",$host);
        if(!empty($user))$this->set("user",$user);
        if(!empty($password))$this->set("password",$password);
        if($this->link_id==0)
        {
            if($this->pconnect)
               $this->link_id=@mysql_pconnect($this->host,$this->user,$this->password);
            else 
               $this->link_id=@mysql_connect($this->host,$this->user,$this->password);
            if(!$this->link_id)
               throw new DB_Mysql_Exception("Mysql Connect Error in ".__FUNCTION__."():".mysql_errno().":".mysql_error());
            if(!@mysql_select_db($this->database,$this->link_id))
               throw new DB_Mysql_Exception("Mysql Select database Error in ".__FUNCTION__."():".mysql_errno().":".mysql_error());
        }
        return $this->link_id;
    }
    
    /**
     * query a sql into the database
     *
     * @param string $strsql
     * @return query_id
     */
    public function query($strsql="")
    {
        if(empty($strsql)) throw new DB_Mysql_Exception("Mysql Error:".__FUNCTION__."() strsql is empty!");
        if($this->link_id==0) $this->connect();
        if($this->debug) printf("Debug query sql:%s",$strsql);
        $this->query_id=@mysql_query($strsql,$this->link_id);
        if(!$this->query_id) throw new DB_Mysql_Exception("Mysql query fail,Invalid sql:".$strsql.".");
        return $this->query_id;
    }
    
    /**
     * query a sql into the database,while it is differernt from the query() method,
     * this method will return a record(array);
     *
     * @param string $strsql
     * @param string $style
     * @return $record is a array()
     */
    public function Execute($strsql,$style="array")
    {
        $this->query($strsql);
        if(!empty($this->record))$this->record=array();
        $i=0;
        if($style=="array"){
            while ($temp=@mysql_fetch_array($this->query_id)) {
                $this->record[$i]=$temp;
                $i++;
            }
        }else{
            while ($temp=@mysql_fetch_object($this->query_id)) {
                $this->record[$i]=$temp;
                $i++;
            }
        }            
        unset($i);
        unset($temp);
        return $this->record;
    }
    
    /**
     * seek,but not equal to mysql_data_seek. this methord will return a list.
     *
     * @param int $pos
     * @param string $style
     * @return record
     */
    public function seek($pos=0,$style="array")
    {
        if(!@mysql_data_seek($this->query_id,$pos))
            throw new DB_Mysql_Exception("Error in".__FUNCTION__."():can not seek to row ".$pos."!");
        $result=@($style=="array")?mysql_fetch_array($this->query_id):mysql_fetch_object($this->query_id);
        if(!$result) throw new DB_Mysql_Exception("Error in ".__FUNCTION__."():can not fetch data!");
        return $result;
    }
    /**
     * free the result of query
     *
     */
    public function free()
    {
        if(($this->query_id)&($this->query_id!=0))@mysql_free_result($this->query_id);
    }
    
    /**
     * evaluate the result (size, width)
     *
     * @return num
     */
    public function affected_rows()
    {
        return @mysql_affected_rows($this->link_id);
    }
    
    public function num_rows()
    {
        return @mysql_num_rows($this->query_id);
    }
    
    public function num_fields()
    {
        return @mysql_num_fields($this->query_id);
    }
    
    public function insert_id()
    {
        return @mysql_insert_id($this->link_id);
    }
    
    public function close()
    {
        $this->free();
        if($this->link_id!=0)@mysql_close($this->link_id);
        if(mysql_errno()!=0) throw new DB_Mysql_Exception("Mysql Error:".mysql_errno().":".mysql_error());
    }
    
    public function select($strsql,$number,$offset)
    {
        if(empty($number)){
            return $this->Execute($strsql);
        }else{
            return $this->Execute($strsql.' limit '.$offset.','.$number);
        }
    }
    
    public function __destruct()
    {
        $this->close();
        $this->set("user","");
        $this->set("host","");
        $this->set("password","");
        $this->set("database","");
    }
}
?>

复制PHP内容到剪贴板

PHP代码:

<?
/**
 * filename: mySmarty.class.php
 * @package:phpbean
 * @author :feifengxlq<[email][email protected][/email]>
 * @copyright :Copyright 2006 feifengxlq
 * @license:version 1.1
 * create:2006-3
 * modify:2006-5-27
 * description:the encapsulation of smarty
 */
require_once(ROOT_PATH."/../library/drivers/smarty/smarty.class.php");
require_once(ROOT_PATH."/../library/libs/exception/mySmarty_Exception.class.php");
class mySmarty extends Smarty{
    
    private $html_dir;//store the template html files
    
    /**
     * action where the class "mySmarty" is created 
     *
     * @param string $style
     */
   public function __construct($style="default")
   {
     $this->set_dir("template_dir",ROOT_PATH."/../templates/".$style);
     $this->set_dir("compile_dir",ROOT_PATH."/../templates/compile",true);
     $this->set_dir("config_dir",ROOT_PATH."/../templates/conf");
     $this->set_dir("cache_dir",ROOT_PATH."/../templates/cache",true);
     $this->set_dir("html_dir",ROOT_PATH."/../templates/html",true);
     $this->left_delimiter = '<{';
     $this->right_delimiter = '}>';
   }   
   
   /**
    * set basic dirs for smarty
    *
    * @param string $var
    * @param string $dir:fliepath
    * @param boolean $is_write:default false
    * @return unknown
    */
   public function set_dir($var,$dir,$is_write=false)
   {
       if($is_write&&!(is_writable($dir))) 
              throw new mySmarty_Exception(__FUNCTION__." Error:".$var." is not writable!");
       $this->$var=$dir;
   }
   
   /**
    * create a html file
    * notice:the server must support php 5.0if you want to use this function
    *
    * @param string $template_file:template file path
    * @param String $target_file: the html file's name while will be created 
    * @return boolean,true if create this html file ! 
    */
   public function html($template_file,$target_file)
   {
       if(!@file_put_contents($this->html_dir."/".$target_file,$this->fetch($template_file)))
          throw new mySmarty_Exception(__FUNCTION__." Error: create '".$this->html_dir."/".$target_file."' false !");
       return true;
   }
}
?>

复制PHP内容到剪贴板

PHP代码:

<?
/**
 * filename: Mysql.class.php
 * @package:phpbean
 * @author :feifengxlq<[email][email protected][/email]>
 * @copyright :Copyright 2006 feifengxlq
 * @license:version 1.1
 * create:2006-3
 * modify:2006-5-27
 * description:the interface of mysql. use adodb .
 */
require_once(ROOT_PATH."/../library/drivers/adodb/adodb.inc.php");
require_once(ROOT_PATH."/../library/libs/exception/Mysql_Exception.class.php");
class mysql
{
    private $server;
    
    private $user;
  
    private $password;
  
    private $database;
  
    private $adodb;
  
    private $debug=false;// control the mode,default flase
  
  /**
   * construct ,action where this class is created.
   *
   * @param string $server
   * @param string $user
   * @param string $password
   * @param string $database
   */
  public function __Construct($server='localhost',$user='Root',$password='',$database='')
  {
    $this->server=$server;
    $this->user=$user;
    $this->password=$password;
    $this->database=$database;
    $this->adodb=$this->connect();
  }
  /**
   * connect to mysql server
   *
   * @return $adodb;
   */
  private function connect()
  {
    if ($this->server=="") throw new Mysql_Exception("Error in ".__FUNCTION__.": server is empty!");
      $this->adodb=ADONewConnection("mysql");
    $this->adodb->debug=$this->debug;
    $this->adodb->connect($this->server,$this->user,$this->password,$this->database);
    $this->adodb->SetFetchMode(ADODB_FETCH_ASSOC); 
    return $this->adodb;
  }
  
  /**
   * query a sql into database just like mysql_query.
   *
   * @param string $strsql
   * @param boolean $inputarr
   * @return $rs the result of the sql query
   */
  public function query($strsql,$inputarr=false)
  {
      $rs=$this->adodb->Execute($strsql);
    if($rs) return $rs;
    throw new Mysql_Exception(__FUNCTION__." encount a Error! Error message is '".$this->adodb->errormsg()."'");
  }
  
  /**
   * select $number lists from database.
   * notice:this method is different from the $this->query method,this method will return as an array
   *        while $this->query ethod will return a ADORecordSet_mysql.
   * @param string $strsql
   * @param int $number
   * @param int $offset
   * @return $rs
   */
  public function select($strsql,$number=0,$offset=0)
  {
     if(empty($number))
        $rs=$this->adodb->Execute($strsql);
     else
        $rs=$this->adodb->SelectLimit($strsql,$number,$offset);
     if($rs) return $rs->GetRows();
     throw new Mysql_Exception(__FUNCTION__." encount a Error! Error message is '".$this->adodb->errormsg()."'");
  }
  
  /**
   * get $adodb if you need 
   *
   * @return $adodb
   */
  public function getadodb()
  {
     return $this->adodb;
  }
  
  /**
   * set the use mode ,you can choose debug or not
   *
   * @param boolean $debug
   * @return boolean :if failed return false,else return true
   */
  public function setdebug($debug)
  {
    if(is_bool($debug))
    {
      $this->debug=$debug;
      return true;
    }else 
       throw new Mysql_Exception("Error in ".__FUNCTION__." :input '$debug' is not a boolean!");
    return false;
  }
  
  /**
   * get error message
   *
   * @return String
   */
  public function getErrorMsg()
  {
      return $this->adodb->errormsg();
  }
  
  /**
   * close this mysql connection
   *
   */
  public function close()
  {
      $this->adodb->close();
  }
  
  /**
   * __destuct:close the mysql connection
   *
   */
  public function __destruct()
  {
      $this->close();
  }
}
?>

复制PHP内容到剪贴板

PHP代码:

<?
/**
 * filename: PB_Page.class.php
 * @package:phpbean
 * @author :feifengxlq<[email][email protected][/email]><[url]http://xlq521.blog.sohu.com/[/url]>
 * @copyright :Copyright 2006 feifengxlq
 * @license:version 1.1
 * create:2006-5-31
 * modify:2006-6-1
 * description:超强分页类，四种分页模式，默认采用类似baidu,google的分页风格。
 * 目前尚为测试版本，欢迎大家提取改进的建议。我的邮箱：[email][email protected][/email]
 * example:
$total = 1000;
$onepage = 20;
$pb_page=new PB_Page($total,$onepage);
echo $pb_page->page(1);
echo "<br>offset:".$pb_page->offset();
 */
require_once(ROOT_PATH."/../library/libs/exception/PB_Page_Exception.class.php");
class PB_Page extends PB_object 
{
    /**
     * config 
     */
    public $page_name="PB_page";//page标签，用来控制url页。比如说xxx.php?PB_page=2中的PB_page
    public $perpage=10;//每页显示记录条数
    public $pagebarnum=10;//控制记录条的个数。
    public $total=0;//总的记录数    
    public $next_page='>';//下一页
    public $pre_page='<';//上一页
    public $first_page='First';//首页
    public $last_page='Last';//尾页
    public $pre_bar='<<';//上一分页条
    public $next_bar='>>';//下一分页条
    public $format_left='[';
    public $format_right=']';
    /**
     * private
     *
     */
    private $totalpage=0;//总页数
    private $linkhead="";//url地址头
    private $current_pageno=1;//当前页
    
    
    /**
     * constructor构造函数
     *
     * @param int $total
     * @param int $perpage
     */
    public function __construct($total,$perpage=10)
    {
        if((!is_int($total))||($total<0))throw new PB_Page_Exception('Invalid data：$total is not a positive integer!');
        if((!is_int($perpage))||($perpage<0))throw new PB_Page_Exception('Invalid data：$perpageis not a positive integer!');
        $this->total=$total;
        $this->perpage=$perpage;
        $this->totalpage=ceil($total/$perpage);
    }
    
    /**
     * 设定类中指定变量名的值，如果改变量不属于这个类，将throw一个exception
     *
     * @param string $var
     * @param string $value
     */
    public function set($var,$value)
    {
        if(in_array($var,get_object_vars($this)))
           $this->$var=$value;
        else {
            throw new PB_Page_Exception("Error in set():".$var." does not belong to PB_Page!");
        }
        
    }
    
    /**
     * get the default url获取指定的url地址
     *
     */
    public function get_linkhead()
    {
        if(empty($_SERVER['QUERY_STRING']))
             $this->linkhead=$_SERVER['REQUEST_URI']."?".$this->page_name."=";
        else{
            if(isset($_GET[$this->page_name])){                
                $this->linkhead=str_replace($this->page_name.'='.$this->current_pageno,$this->page_name.'=',$_SERVER['REQUEST_URI']);
            }else {
                $this->linkhead=$_SERVER['REQUEST_URI'].'&'.$this->page_name.'=';
            }
        }
    }
    
    /**
     * 为指定的页面返回地址值
     *
     * @param int $pageno
     * @return string $url
     */
    public function get_url($pageno=1)
    {
        return $this->linkhead.$pageno;
        return str_replace($this->page_name.'=',$this->page_name.'='.$pageno,$this->linkhead);
    }
    
    /**
     * 设置当前页面
     *
     */
    public function set_current_page($current_pageno=0)
    {
        if(empty($current_pageno)){
            if(isset($_GET[$this->page_name])){
                      $this->current_pageno=intval($_GET[$this->page_name]);
            }
        }else{
            $this->current_pageno=intval($current_pageno);
        }
    }
    
    public function set_format($str)
    {
        return $this->format_left.$str.$this->format_right;
    }
    
    /**
     * 获取显示"下一页"的代码
     *
     * @return string
     */
    public function next_page()
    {
        if($this->current_pageno<$this->totalpage){
            return '<a href="'.$this->get_url($this->current_pageno+1).'">'.$this->next_page.'</a>';
        }
        return '';
    }
    
    /**
     * 获取显示“上一页”的代码
     *
     * @return string
     */
    public function pre_page()
    {
        if($this->current_pageno>1){
            return '<a href="'.$this->get_url($this->current_pageno-1).'">'.$this->pre_page.'</a>';
        }
        return '';
    }
    
    /**
     * 获取显示“首页”的代码
     *
     * @return string
     */
    public function first_page()
    {
        return '<a href="'.$this->get_url(1).'">'.$this->first_page."</a>";
    }
    
    /**
     * 获取显示“尾页”的代码
     *
     * @return string
     */
    public function last_page()
    {
        return '<a href="'.$this->get_url($this->totalpage).'">'.$this->last_page.'</a>';
    }
    
    public function nowbar()
    {
        $begin=$this->current_pageno-ceil($this->pagebarnum/2);
        $begin=($begin>=1)?$begin:1;
        $return='';
        for($i=$begin;$i<$begin+$this->pagebarnum;$i++)
        {
            if($i<=$this->totalpage){
                if($i!=$this->current_pageno)
                    $return.=$this->set_format('<a href="'.$this->get_url($i).'">'.$i.'</a>');
                else 
                    $return.=$this->set_format($i);
            }else{
                break;
            }
        }
        unset($begin);
        return $return;
    }
    
    /**
     * 获取显示“上一分页条”的代码
     *
     * @return string
     */
    public function pre_bar()
    {
        if($this->current_pageno>ceil($this->pagebarnum/2)){
            $pageno=$this->current_pageno-$this->pagebarnum;
            if($pageno<=0)$pageno=1;
            return $this->set_format('<a href="'.$this->get_url($pageno).'">'.$this->pre_bar."</a>");
        }
        return $this->set_format('<a href="'.$this->get_url(1).'">'.$this->pre_bar."</a>");
    }
    
    /**
     * 获取显示“下一分页条”的代码
     *
     * @return string
     */
    public function next_bar()
    {
        if($this->current_pageno<$this->totalpage-ceil($this->pagebarnum/2)){
            $pageno=$this->current_pageno+$this->pagebarnum;
            if($pageno>$this->totalpage)$pageno=$this->totalpage;
            return $this->set_format('<a href="'.$this->get_url($pageno).'">'.$this->next_bar."</a>");
        }
        return $this->set_format('<a href="'.$this->get_url($this->totalpage).'">'.$this->next_bar."</a>");
    }
    
    /**
     * 获取显示跳转按钮的代码
     *
     * @return string
     */
    public function select()
    {
        $return='<select name="PB_Page_Select" onchange="window.location.href=\''.$this->linkhead.'\'+this.options[this.selectedIndex].value">';
        for($i=1;$i<=$this->totalpage;$i++)
        {
            if($i==$this->current_pageno){
                $return.='<option value="'.$i.'" selected>'.$i.'</option>';
            }else{
                $return.='<option value="'.$i.'">'.$i.'</option>';
            }
        }
        unset($i);
        $return.='</select>';
        return $return;
    }
    
    /**
     * 获取mysql 语句中limit需要的值
     *
     * @return string
     */
    public function offset()
    {
        return ($this->current_pageno-1)*$this->perpage;
    }
    
    /**
     * 控制分页显示风格（你可以增加相应的风格）
     *
     * @param int $mode
     * @return string
     */
    public function page($mode=1)
    {
        $this->set_current_page();
        $this->get_linkhead();
        switch ($mode)
        {
            case '1':
                $this->next_page='下一页';
                $this->pre_page='上一页';
                return $this->pre_page().$this->nowbar().$this->next_page().'第'.$this->select().'页';
                break;
            case '2':
                $this->next_page='下一页';
                $this->pre_page='上一页';
                $this->first_page='首页';
                $this->last_page='尾页';
                return $this->first_page().$this->pre_page().'[第'.$this->current_pageno.'页]'.$this->next_page().$this->last_page().'第'.$this->select().'页';
                break;
            case '3':
                $this->next_page='下一页';
                $this->pre_page='上一页';
                $this->first_page='首页';
                $this->last_page='尾页';
                return $this->first_page().$this->pre_page().$this->next_page().$this->last_page();
                break;
            case '4':
                return $this->pre_bar().$this->pre_page().$this->nowbar().$this->next_page().$this->next_bar();
                break;
        }
        
    }
    
}
?>

复制PHP内容到剪贴板

PHP代码:

<?php
/**
 * filename: PB_upload.class.php
 * @package:phpbean
 * @author :feifengxlq<[email][email protected][/email]><[url]http://xlq521.blog.sohu.com/[/url]>
 * @copyright :Copyright 2006 feifengxlq
 * @license:version 1.1
 * create:2006-6-1
 * description:文件上传类。支持不同形式的多文件上传
 * 支持两种不同形式的多文件上传
 * 形式1：
 * <input name="filename[]" type="file">
   <input name="filename[]" type="file">
 * 形式2：
 * <input name="filename1" type="file">
   <input name="filename2" type="file">
 * 目前尚为测试版本，欢迎大家提取改进的建议。我的邮箱：[email][email protected][/email]
 * example:
 * try{
            $upload=new PB_upload($uploaddir,'filename','ini,doc');
            if($upload->upload())echo 'succ<br>';
        }catch (Exception $e){
            print $e->__toString();
        }
 */
require_once(ROOT_PATH.'/../library/libs/exception/PB_upload_Exception.class.php');
class PB_upload extends PB_object 
{
    public $upload_path='uploadfiles/';//上传文件的路径
    public $allow_type=array();//允许上传的文件类型
    public $max_size='2048';//允许的最大文件大小
    public $file_field='uploadfile';//上传文件的字段名，可以为数组
    public $overwrite=false;//是否设置成覆盖模式
    public $renamed=false;//是否直接使用上传文件的名称，还是系统自动命名
        
    /**
     * 私有变量
     */
    private $upload_file=array();//保存上传成功文件的信息
    private $upload_file_num=0;//上传成功文件的数目
    
    /**
     * 构造器
     *
     * @param string $upload_path
     * @param string $file_field
     * @param string $allow_type
     * @param string $max_size
     */
    public function __construct($upload_path='uploadfiles/',$file_field='uploadfile',$allow_type='jpg,bmp,png,gif,jpeg',$max_size='2048')
    {
        $this->set_upload_path($upload_path);
        $this->set_allow_type($allow_type);
        $this->max_size=$max_size;
        $this->file_field=$file_field;
        $this->get_upload_files();
    }
    
    /**
     * 设置上传路径，并判定
     *
     * @param string $path
     */
    public function set_upload_path($path)
    {
        if(file_exists($path)){
            if(is_writeable($path)){
                $this->upload_path=$path;
            }else{
                if(@chmod($path,'0666'))
                   $this->upload_path=$path;
                else 
                   throw new PB_upload_Exception(''.__FUNCTION__.'()出错:修改权限出错!');
            }
        }else{
            if(@mkdir($path,'0666')){
                $this->upload_path=$path;
            }else{
                throw new PB_upload_Exception(''.__FUNCTION__.'()出错:建目录出错，请手工创建!');
            }
        }
    }
    
    /**
     * 设置允许的上传文件类型
     *
     * @param string $type
     */
    public function set_allow_type($type)
    {
        include_once('PB_filetype.class.php');
        if(strtolower($type)=='all'){
            $this->allow_type=$filetype;
        }else{
            $temp=array_unique(explode(',',strtolower($type)));
            for($i=0;$i<count($temp);$i++){
                if($filetype[$temp[$i]])
                    $this->allow_type[$temp[$i]]=$filetype[$temp[$i]];
                else 
                    throw new PB_upload_Exception(''.__FUNCTION__.'()出错:'.$temp[$i].' 系统不能识别!');
            }
        }
    }
    
    /**
     * 格式化文件大小
     *
     * @param string $size
     * @return unknown
     */
    public function format_size($size)
    {
        if($size<1024){
            return $size.'B';
        }elseif ($size<1024*1024){
            return number_format((double)($size/1024),2).'KB';
        }else{
            return number_format((double)($size/(1024*1024)),2).'MB';
        }
    }
    
    /**
     * 为系统属性赋值，主要用来修改配置信息
     *
     * @param string $var
     * @param string $value
     */
    public function set($var,$value)
    {
        if(!in_array($var,get_class_vars($this)))throw new PB_upload_Exception(''.__FUNCTION__.'()出错:'.$var.' 不是该对象的属性!');
        $this->$var=$value;
    }
    
    /**
     * 获取上传文件的信息，支持多文件上传
     *
     */
    public function get_upload_files()
    {
        if(is_array($this->file_field)){
            foreach ($this->file_field as $key=>$field){
                $this->get_upload_files_detial($field);
            }
        }else{
            $this->get_upload_files_detial($this->file_field);
        }
    }
    
    /**
     * 详细获取上传文件信息
     *
     * @param string $field
     */
    public function get_upload_files_detial($field){
        if(is_array($_FILES[$field]['name'])){
            for($i=0;$i<count($_FILES[$field]['name']);$i++)
            {
                if(0==$_FILES[$field]['error'][$i])
                {
                $this->upload_file[$this->upload_file_num]['name']=$_FILES[$field]['name'][$i];
                $this->upload_file[$this->upload_file_num]['type']=$_FILES[$field]['type'][$i];
                $this->upload_file[$this->upload_file_num]['size']=$_FILES[$field]['size'][$i];
                $this->upload_file[$this->upload_file_num]['tmp_name']=$_FILES[$field]['tmp_name'][$i];
                $this->upload_file[$this->upload_file_num]['error']=$_FILES[$field]['error'][$i];
                $this->upload_file_num++;
                }else 
                   throw new PB_upload_Exception($this->error($_FILES[$field]['error'][$i]));
            }
        }else{
            if(0==$_FILES[$field]['error'][$i])
            {
            $this->upload_file[$this->upload_file_num]['name']=$_FILES[$field]['name'];
            $this->upload_file[$this->upload_file_num]['type']=$_FILES[$field]['type'];
            $this->upload_file[$this->upload_file_num]['size']=$_FILES[$field]['size'];
            $this->upload_file[$this->upload_file_num]['tmp_name']=$_FILES[$field]['tmp_name'];
            $this->upload_file[$this->upload_file_num]['error']=$_FILES[$field]['error'];
            $this->upload_file_num++;
            }else 
                   throw new PB_upload_Exception($this->error($_FILES[$field]['error'][$i]));
        }
    }
    
    /**
     * 检查上传文件是构满足指定条件
     *
     */
    public function check()
    {
        $check_msg='';
        for($i=0;$i<$this->upload_file_num;$i++){
            if(!empty($this->upload_file[$i]['name'])){
            //检查文件大小
            if($this->upload_file[$i]['size']>$this->max_size*1024)$check_msg.='文件'.$this->upload_file[$i]['name'].' 大小为 '.$this->upload_file[$i]['size'].'超过指定大小<br>';
            //检查文件类型
            if(!in_array($this->upload_file[$i][type],$this->allow_type))$check_msg.='文件:'.$this->upload_file[$i]['name'].'的类型不符合<br>';
            //设置默认服务端文件名
            $this->upload_file[$i]['filename']=$this->upload_path.$this->upload_file[$i]['name'];
            //获取文件路径信息
            $file_info=pathinfo($this->upload_file[$i]['name']);
            //获取文件扩展名
            $file_ext=$file_info['extension'];
            //需要重命名的
            if($this->renamed){
                list($usec, $sec) = explode(" ",microtime()); 
                $this->upload_file[$i]['filename']=$sec.substr($usec,2).'.'.$file_ext;
                unset($usec);
                unset($sec);
            }
            //检查文件是否存在
            if(file_exists($this->upload_file[$i]['filename'])){
                if($this->overwrite){
                    @unlink($this->upload_file[$i]['filename']);
                }else{
                    $j=0;
                    do{
                        $j++;
                        $temp_file=str_replace('.'.$file_ext,'('.$j.').'.$file_ext,$this->upload_file[$i]['filename']);
                    }while (file_exists($temp_file));
                    $this->upload_file[$i]['filename']=$temp_file;
                    unset($temp_file);
                    unset($j);
                }
            }
            }
            //检查完毕            
        }
        if(!empty($check_msg)) throw new PB_upload_Exception('上传文件失败:'.__FUNCTION__.'()出错信息:'.$check_msg);
    }
    
    /**
     * 上传文件
     *
     * @return true
     */
    public function upload()
    {
        $this->check();
        $upload_msg='';
        for($i=0;$i<$this->upload_file_num;$i++)
        {
            if(!empty($this->upload_file[$i]['name']))
            {
            //上传文件
            if(!@move_uploaded_file($this->upload_file[$i]['tmp_name'],$this->upload_file[$i]['filename']))
                $upload_msg.='上传文件'.$this->upload_file[$i]['name'].' 出错:'.$this->error($this->upload_file[$i]['error']).'!<br>';
            }
        }
        if(!empty($upload_msg))throw new PB_upload_Exception('上传失败:'.$upload_msg);
        return true;
    }
    
    /**
     * 格式化出错处理
     *
     * @param int $error
     * @return string
     */
    public function error($error)
    {
        switch ($error) {
            case 1:
                return '文件大小超过php.ini 中 upload_max_filesize 选项限制的值';
                break;
            case 2:
                return '文件的大小超过了 HTML 表单中 MAX_FILE_SIZE 选项指定的值';
                break;    
            case 3:
                return '文件只有部分被上传';
                break;
            case 4:
                return '没有文件被上传';
                break;    
            default:
                break;
        }
    }
    
    /**
     * 获取上传文件信息
     *
     * @return 二维数组
     */
    public function get_file(){
        return $this->upload_file;
    }
}
?>