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<?php 
-------------------------------------------------------------------- 
//FileName:class.php 
//Summary: Access數據庫操作類 
//Author:  forest 
//CreateTime: 2006-8-10      
//LastModifed: 
//copyright (c)2006 freeweb.nyist.net/~chairy  [email]chaizuxue@163.com[/email] 
//   使用范例： 
//$databasepath="database.mdb"; 
//$dbusername=""; 
//$dbpassword=""; 
//include_once("class.php"); 
//$access=new Access($databasepath,$dbusername,$dbpassword); 

-------------------------------------------------------------------- 
    class Access 
    { 
         var $databasepath,$constr,$dbusername,$dbpassword,$link; 
         function Access($databasepath,$dbusername,$dbpassword) 
         { 
               $this->databasepath=$databasepath; 
        $this->username=$dbusername; 
        $this->password=$dbpassword; 
        $this->connect(); 
          } 

    function connect() 
    { 
        $this->constr="DRIVER={Microsoft Access Driver (*.mdb)}; DBQ=" . realpath($this->databasepath);  
        $this->link=odbc_connect($this->constr,$this->username,$this->password,SQL_CUR_USE_ODBC); 
        return $this->link; 
        //if($this->link) echo "恭喜你,數據庫連接成功!"; 
        //else echo "數據庫連接失敗!"; 
    } 

    function query($sql) 
    { 
        return @odbc_exec($this->link,$sql); 
    } 

    function first_array($sql) 
    { 
        return odbc_fetch_array($this->query($sql)); 
    } 

    function fetch_row($query) 
    { 
        return odbc_fetch_row($query); 
    } 

    function total_num($sql)//取得記錄總數 
    { 
        return odbc_num_rows($this->query($sql)); 
    } 

    function close()//關閉數據庫連接函數 
    {     
        odbc_close($this->link); 
    } 

    function insert($table,$field)//插入記錄函數 
    { 
        $temp=explode(',',$field); 
        $ins=''; 
        for ($i=0;$i<count($temp);$i++) 
        { 
            $ins.="'".$_POST[$temp[$i]]."',"; 
        } 
        $ins=substr($ins,0,-1); 
        $sql="INSERT INTO ".$table." (".$field.") VALUES (".$ins.")"; 
        $this->query($sql); 
    } 

    function getinfo($table,$field,$id,$colnum)//取得當條記錄詳細信息 
    { 
        $sql="SELECT * FROM ".$table." WHERE ".$field."=".$id.""; 
        $query=$this->query($sql); 
        if($this->fetch_row($query)) 
        { 
            for ($i=1;$i<$colnum;$i++) 
            { 
          $info[$i]=odbc_result($query,$i); 
             } 
         } 
         return $info; 
    } 

    function getlist($table,$field,$colnum,$condition,$sort="ORDER BY id DESC")//取得記錄列表     
    { 
         $sql="SELECT * FROM ".$table." ".$condition." ".$sort; 
         $query=$this->query($sql); 
         $i=0; 
         while ($this->fetch_row($query))  
         { 
        $recordlist[$i]=getinfo($table,$field,odbc_result($query,1),$colnum); 
        $i++; 
          } 
          return $recordlist; 
    } 

    function getfieldlist($table,$field,$fieldnum,$condition="",$sort="")//取得記錄列表 
    { 
         $sql="SELECT ".$field." FROM ".$table." ".$condition." ".$sort; 
         $query=$this->query($sql); 
         $i=0; 
         while ($this->fetch_row($query))  
         { 
         for ($j=0;$j<$fieldnum;$j++) 
        { 
                   $info[$j]=odbc_result($query,$j+1); 
        }     
        $rdlist[$i]=$info; 
        $i++; 
         } 
         return $rdlist; 
    } 

    function updateinfo($table,$field,$id,$set)//更新記錄 
    { 
        $sql="UPDATE ".$table." SET ".$set." WHERE ".$field."=".$id; 
        $this->query($sql); 
    } 

    function deleteinfo($table,$field,$id)//刪除記錄 
    { 
         $sql="DELETE FROM ".$table." WHERE ".$field."=".$id; 
         $this->query($sql); 
    } 

    function deleterecord($table,$condition)//刪除指定條件的記錄 
    { 
         $sql="DELETE FROM ".$table." WHERE ".$condition; 
         $this->query($sql); 
    } 

    function getcondrecord($table,$condition="")// 取得指定條件的記錄數 
    { 
         $sql="SELECT COUNT(*) AS num FROM ".$table." ".$condition; 
         $query=$this->query($sql); 
         $this->fetch_row($query); 
         $num=odbc_result($query,1); 
         return $num;             
    } 
     } 
?>