【 tulaoshi.com - Web开发 】
代码如下：
?php
class DB{
var $host_addr = "localhost";
var $host_user = "root";
var $host_psw = "123";
var $db_name = "test";
var $link_id;
var $query_id;
var $numRow;
function DB(){
$this-link_id = @mysql_connect($this-host_addr,$this-host_user,$this-host_psw);
if($this-link_id){
@mysql_select_db($this-db_name,$this-link_id) or $this-halt("数据库连接失败！");
}else{
$this-halt("连接服务器失败！");
return false;
}
return $this-link_id;
}
function query($sql){
$this-query_id = @mysql_query($sql,$this-link_id);
if($this-query_id){
return $this-query_id;
}else{
$this-halt("SQL Error::");
return false;
}
}
function numRow(){
return $this-numRow = @mysql_num_rows($this-query_id);
}
function close(){
return @mysql_close($this-link_id);
}
function halt($msg){
echo "font color="#FF0000"".$msg."/font";
}
}
?
