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php操作access数据

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,数据库连接成功!;
        else echo 数据库连接失败!;
    }
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($sql)//取得记录总数
    {
        return odbc_num_rows($this->query($sql));
    }
function close()//关闭数据库连接函数
    {   
        odbc_close($this->link);
    }
function insert($table,$field)//插入记录函数
    {
        $temp=explode(',',$field);
        $ins='';
        for ($i=0;$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)//取得当条记录详细信息
    {
        $sql=select * from .$table. where .$field.=.$id.;
        $query=$this->query($sql);
        if($this->fetch_row($query))
        {
            for ($i=1;$i            {
          $info[$i]=odbc_result($query,$i);
             }
         }
         return $info;
    }
function getlist($table,$field,$colnum,$condition,$sort=order by id desc)//取得记录列表   
    {
         $sql=select * from .$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=)//取得记录列表
    {
         $sql=select .$field. from .$table. .$condition. .$sort;
         $query=$this->query($sql);
         $i=0;
         while ($this->fetch_row($query))
         {
         for ($j=0;$j        {
                   $info[$j]=@odbc_result($query,$j+1);
        }   
        $rdlist[$i]=$info;
        $i++;
         }
         return $rdlist;
    }
function updateinfo($table,$field,$id,$set)//更新记录
    {
        $sql=update .$table. set .$set. where .$field.=.$id;
        $this->query($sql);
    }
function deleteinfo($table,$field,$id)//删除记录
    {
         $sql=delete from .$table. where .$field.=.$id;
         $this->query($sql);
    }
function deleterecord($table,$condition)//删除指定条件的记录
    {
         $sql=delete from .$table. where .$condition;
         $this->query($sql);
    }
function getcondrecord($table,$condition=)// 取得指定条件的记录数
    {
         $sql=select count(*) as num from .$table. .$condition;
         $query=$this->query($sql);
         $this->fetch_row($query);
         $num=odbc_result($query,1);
         return $num;           
    }
     }
?>
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