我想使用数据库中的 php 导出 sql 和 excel 文件。尝试了在这里找到的每一个薄,但没有工作。
查看代码它显示错误“严格标准:只有变量应该通过引用在 C:\xampp\htdocs\dan\index.php 导出学校到 ~/one.sql 期间出现警告”
<?php
$mysqlDatabaseName ='school';
$mysqlUserName ='root';
$mysqlPassword ='';
$mysqlHostName ='';
$mysqlExportPath ='one.sql';
$command='mysqldump --opt -h' .$mysqlHostName .' -u' .$mysqlUserName .' -p' .$mysqlPassword .' ' .$mysqlDatabaseName .' > ~/' .$mysqlExportPath;
exec($command,$output=array(),$worked);
switch($worked){
case 0:
echo 'Database <b>' .$mysqlDatabaseName .'</b> successfully exported to <b>~/' .$mysqlExportPath .'</b>';
break;
case 1:
echo 'There was a warning during the export of <b>' .$mysqlDatabaseName .'</b> to <b>~/' .$mysqlExportPath .'</b>';
break;
case 2:
echo 'There was an error during export. Please check your values:<br/><br/><table><tr><td>MySQL Database Name:</td><td><b>' .$mysqlDatabaseName .'</b></td></tr><tr><td>MySQL User Name:</td><td><b>' .$mysqlUserName .'</b></td></tr><tr><td>MySQL Password:</td><td><b>NOTSHOWN</b></td></tr><tr><td>MySQL Host Name:</td><td><b>' .$mysqlHostName .'</b></td></tr></table>';
break;
}
?>