<?php
$host="localhost";
$user="root";
$password="root";
$dbname="lol";
$db=new \PDO("mysql:host=$host;dbname=$dbname", "$user", "$password");
$db->query('set names utf8');
$mysql= "set names utf8;";
$db->query("$mysql");
$res=$db->query("show tables");
while($t=$res->fetch()){
$table=$t[0];
$q2=$db->query("show create table `$table`");
$sql=$q2->fetch();
$mysql.=$sql['Create Table'].";\n";
$q3=$db->query("select * from `$table`");
while($data=$q3->fetch(\PDO::FETCH_ASSOC)){
$keys=array_keys($data);
$keys=array_map('addslashes',$keys);
$keys=join('`,`',$keys);
$keys="`".$keys."`";
$vals=array_values($data);
$vals=array_map('addslashes',$vals);
$vals=join("','",$vals);
$vals="'".$vals."'";
$mysql.="insert into `$table`($keys) values($vals);\n";
}
$mysql.="\n";
}
$filename=$dbname.date('Ymj').".sql";
$fp = fopen($filename,'w');
fputs($fp,$mysql);
fclose($fp);
echo "数据备份成功,生成备份文件".$filename;
