Access数据库操作类

<?php //-------------------------------------------------------------------- //FileName:class.php //Summary:Access数据库操作类 //Author: forest //CreateTime:2006-8-10 //LastModifed: //copyright(c)2006freeweb.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("xh.mdb"); $this->link=odbc_connect($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!"; //elseecho"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;$i<count($temp);$i++) { $ins.="'".$_POST[$temp[$i]]."',"; } $ins=substr($ins,0,-1); $sql="INSERTINTO".$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;$i<$colnum;$i++) { $info[$i]=odbc_result($query,$i); } } return $info; } function getlist($table,$field,$colnum,$condition,$sort="ORDERBYidDESC")//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;$j<$fieldnum;$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 { $sql="DELETEFROM".$table."WHERE".$field."=".$id; $this->query($sql); } function deleterecord($table,$condition)//删除指定条件的记录 { $sql="DELETEFROM".$table."WHERE".$condition; $this->query($sql); } function getcondrecord($table,$condition="")//取得指定条件的记录数 { $sql="SELECTCOUNT(*)ASnumFROM".$table."".$condition; $query=$this->query($sql); $this->fetch_row($query); $num=odbc_result($query,1); return $num; } } ?>

Access数据库操作类