如何编写将MySQL数据导出到Excel的代码？

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php

<?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("[emailprotected]#t connect."); $Db = @mysql_select_db($DB_DBName, $Connect) or die("[emailprotected]#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:[emailprotected]#); $title = "数据库名:$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("[emailprotected]#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); ?>