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<?php 
header("Content-Type: application/vnd.ms-excel; charset=UTF-8"); 
header("Pragma: public"); 
header("Expires: 0"); 
header("Cache-Control: must-revalidate, post-check=0, pre-check=0"); 
header("Content-Type: application/force-download"); 
header("Content-Type: application/octet-stream"); 
header("Content-Type: application/download"); 
header("Content-Disposition: attachment;filename=11.xls "); 
header("Content-Transfer-Encoding: binary "); 
?> 
<? 
$filename="phpµ¼Èëµ½excel-utf-8±àÂë"; 
$filename=iconv("utf-8", "gb2312", $filename); 
echo $filename; 
?> 
gbk±àÂë°¸Àý
<?php 
header("Content-Type: application/vnd.ms-excel; charset=UTF-8"); 
header("Pragma: public"); 
header("Expires: 0"); 
header("Cache-Control: must-revalidate, post-check=0, pre-check=0"); 
header("Content-Type: application/force-download"); 
header("Content-Type: application/octet-stream"); 
header("Content-Type: application/download"); 
header("Content-Disposition: attachment;filename=11.xls "); 
header("Content-Transfer-Encoding: binary "); 
?> 
<? 
$filename="phpµ¼Èëµ½excel-utf-8±àÂë"; 
echo $filename; 
?> 
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function make_rand($length="32"){//ÑéÖ¤ÂëÎÄ×ÖÉú³Éº¯Êý
$str="abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890";
$result="";
for($i=0;$i<$length;$i++){
$num[$i]=rand(0,61);
$result.=$str[$num[$i]];
}
return $result;
} ......

php urlencode()

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