用PHP将mysql数据表转换为excel文件格式

<?php

$DB_Server = "localhost";

$DB_Username = "mydowns";

$DB_Password = "";

$DB_DBName = "mydowns";

$DB_TBLName = "user";

$Connect = @mysql_connect($DB_Server, $DB_Username, $DB_Password)

or die("Couldn't connect.");

$Db = @mysql_select_db($DB_DBName, $Connect)

or die("Couldn't select database.");

$file_type = "vnd.ms-excel";

$file_ending = "xls";

header("Content-Type: application/$file_type");

header("Content-Disposition: attachment; filename=mydowns.$file_ending");

header("Pragma: no-cache");

header("Expires: 0");

$now_date = date('Y-m-d H:i');

$title = "数据库名:$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("$title\n");

$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; $j<mysql_num_fields($result);$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);

?>