php中将数据库的内容导出到excel

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=".$title .".xls ");
header("Content-Transfer-Encoding: binary ");

$DB_Server = "localhost";     
$DB_Username = "root";     
$DB_Password = www.111com.net;     
$DB_DBName = "ishop";     
$DB_TBLName = "oi_mall_payment";     
    
$savename = date("YmjHis");  
$Connect = @mysql_connect($DB_Server, $DB_Username, $DB_Password) or die("Couldn't connect.");     
mysql_query("Set Names 'gbk'"); 
$file_type = "vnd.ms-excel";     
$file_ending = "xls"; 
header("Content-Type: application/$file_type;charset=big5");  
header("Content-Disposition: attachment; filename=".$savename.".$file_ending");     
//header("Pragma: no-cache");        
    
$now_date = date("Y-m-j H:i:s");      
$title = "数据库名:$DB_DBName,数据表:$DB_TBLName,备份日期:$now_date";      
    
$sql = "Select * from $DB_TBLName";      
$ALT_Db = @mysql_select_db($DB_DBName, $Connect) or die("Couldn't select database");     
$result = @mysql_query($sql,$Connect) or die(mysql_error());   
    
echo("$titlen");      
$sep = "t";      
for ($i = 0; $i < mysql_num_fields($result); $i++) { 
    echo mysql_field_name($result,$i) . "t";      
}      
print("n");      
$i = 0;      
while($row = mysql_fetch_row($result)) {      
    $schema_insert = ""; 
    for($j=0; $j         if(!isset($row[$j]))      
            $schema_insert .= "NULL".$sep;      
        elseif ($row[$j] != "")      
            $schema_insert .= "$row[$j]".$sep; 
        else      
            $schema_insert .= "".$sep;      
    }      
    $schema_insert = str_replace($sep."$", "", $schema_insert);      
    $schema_insert .= "t";      
    print(trim($schema_insert));      
    print "n";      
    $i++;      
}      
return (true);   
?>