--------------------------------------------------------------------
//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=newAccess($databasepath,$dbusername,$dbpassword);
--------------------------------------------------------------------
classAccess
{
var$databasepath,$constr,$dbusername,$dbpassword,$link;
functionAccess($databasepath,$dbusername,$dbpassword)
{
$this->databasepath=$databasepath;
$this->username=$dbusername;
$this->password=$dbpassword;
$this->connect();
}
functionconnect()
{
$this->constr="DRIVER={MicrosoftAccessDriver(*.mdb)};DBQ=".realpath($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!";
//elseecho"数据库连接失败!";
}
functionquery($sql)
{
return@odbc_exec($this->link,$sql);
}
functionfirst_array($sql)
{
returnodbc_fetch_array($this->query($sql));
}
functionfetch_row($query)
{
returnodbc_fetch_row($query);
}
functiontotal_num($sql)//取得记录总数
{
returnodbc_num_rows($this->query($sql));
}
functionclose()//关闭数据库连接函数
{
odbc_close($this->link);
}
functioninsert($table,$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);
}
functiongetinfo($table,$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$info;
}
functiongetlist($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;
}
functiongetfieldlist($table,$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;
}
functionupdateinfo($table,$field,$id,$set)//更新记录
{
$sql="UPDATE".$table."SET".$set."WHERE".$field."=".$id;
$this->query($sql);
}
functiondeleteinfo($table,$field,$id)//删除记录
{
$sql="DELETEFROM".$table."WHERE".$field."=".$id;
$this->query($sql);
}
functiondeleterecord($table,$condition)//删除指定条件的记录
{
$sql="DELETEFROM".$table."WHERE".$condition;
$this->query($sql);
}
functiongetcondrecord($table,$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;
}
}
?>
