数据库操作函数db

1. [代码][PHP]代码    

<?php

require_once 'mysql.php';

//------------------------------------------------------------------------------
//...
function QueryAsXml($sql)
{
	global $db;

	$db->query($sql);
	$Array = array();

	$i     = 0;                 //...
	$ret   = "";                //返回xml记录
	$PRec  = 0;                 //当前记录指针
	$FName = "";                //列名称

	$FNums = $db->num_fields(); //列数量

	$Rows  = 0;                 //记录数量
	
	while($db->next_record()) 
	{
		$id = $db->Query_ID;
		$ret = $ret . "<item" . $Rows . ">";
		
		for ($i = 0; $i<$FNums; $i++) 
		{
		   $FName = @mysql_field_name($id, $i);

		   $ret = $ret . "<" . $FName . ">";
		   $ret = $ret . $db->Record[$i];
		   $ret = $ret . "</" . $FName . ">";
		}
	    
	    $ret = $ret . "</item" . $Rows . ">" . "\n";
	    
	    $Rows = $Rows+1;
	}

	return $ret;
}

//------------------------------------------------------------------------------
//...
function QueryAsXml2($sql)
{
	global $db;

	$db->query($sql);
	$Array = array();

	$i     = 0;                 //...
	$ret   = "";                //返回xml记录
	$PRec  = 0;                 //当前记录指针
	$FName = "";                //列名称

	$FNums = $db->num_fields(); //列数量

	$Rows  = 0;                 //记录数量
	
	while($db->next_record()) 
	{
		$id = $db->Query_ID;
		//$ret = $ret . "<item" . $Rows . ">";
		//echo $id;
		for ($i = 0; $i<$FNums; $i++) 
		{
		   $FName = @mysql_field_name($id, $i);

		   $ret = $ret . "<" . $FName . ">";
		   $ret = $ret . $db->Record[$i];
		   $ret = $ret . "</" . $FName . ">";
		}
	    
	    //$ret = $ret . "</item" . $Rows . ">" . "\n";
	    $ret = $ret . ";\n";

	    $Rows = $Rows+1;
	}

	return $ret;
}

//------------------------------------------------------------------------------
//...
function QueryAsArray($sql, $split)
{
	global $db;

	$db->query($sql);
	$Array = array();

	$i     = 0;                 //...
	$ret   = "";                //返回xml记录
	$PRec  = 0;                 //当前记录指针
	$FName = "";                //列名称

	$FNums = $db->num_fields(); //列数量

	$Rows  = 0;                 //记录数量
	
	while($db->next_record()) 
	{
		$id = $db->Query_ID;
		$ret = $ret . "[";
		
		for ($i = 0; $i<$FNums; $i++) 
		{
		   $FName = @mysql_field_name($id, $i);

		   $ret = $ret . $db->Record[$i] . $split;
		}
	    
	    $ret = $ret . "]" . "\n";
	    
	    $Rows = $Rows+1;
	}

	return $ret;
}

function ExecSql($sql)
{
	global $db;
	$db->query($sql);
	
	$j= 0;
	$Array = array();
	while($db->next_record()) 
	{
	    $Array[$j]= $db->Record;
	    $j++;
	}
	return $Array;
}


?>