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Homephp教程php手册用PHP和XML备份MySQL数据库

用PHP和XML备份MySQL数据库

Jun 13, 2016 am 11:00 AM
linuxmysqlphpxmlDownandbackuprightdatabaseusepass

以下是在Linux下通过Apache+PHP对Mysql数据库的备份的文件代码: 
文件一、Listtable.php (文件列出数据库中的所有表格,供选择备份) 
请选择要备份的表格: 
 
$con=mysql_connect('localhost','root','xswlily'); 
$lists=mysql_list_tables("embed",$con); 
//数据库连接代码 
$i=0; 
while($i$tb_name=mysql_tablename($lists,$i); 
echo "".$tb_name." 
"
//列出所有的表格 
$i++;} 
?> 
文件二、Backup.php 
"") header("Location:listtable.php");?>
 
$con=mysql_connect('localhost','root','xswlily'); 
$query="select * from $table "
//数据库查询 
$result=mysql_db_query("embed",$query,$con); 
$filestr=""."?xml version="1.0" encoding="GB2312"?".">"
$filestr.="".$table."s>"
while ($row=mysql_fetch_array($result)) 
//列出所有的记录 
{$filestr.="".$table.">"
$fields=mysql_list_fields("embed",$table,$con); 
$j=0; 
//$num_fields=mysql_field_name($fields,$j); 
//echo $num_fields; 
while ($j$num_fields=mysql_field_name($fields,$j); 
$filestr.="".$num_fields.">"
$filestr.=$row[$j]; 
$filestr.=""
$j++;} 
$filestr.=""

$filestr.=""
echo $filestr; 
//以下是文件操作代码 
$filename=$table.".xml"
$fp=fopen("$filename","w"); 
fwrite($fp,$filestr); 
fclose($fp); 
Echo "数据表".$table."已经备份成功!";?> 
通过以上文件的操作就可以实现对数据库中选定的表格进行备份. 
以上主要介绍了通过PHP实现XML备份数据库的操作方法,其实并不复杂,通过XML,我们可以备份各种各样的数据库,当然也可以通过相关的方法将备份的XML文档恢复到数据库中。


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