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使用方法：
1 上传到某一个目录，比如 test
2 运行，然后保存，文件为 数据库的名字.txt ，比如，数据库叫 user,则生成的文件为 user.txt
3 用 FTP 把生成的文件转移到你想恢复的机器上，同时这个程序也得传一个呀！！
4 在新服务器上建立你想恢复的数据库，只需要建一个空的库就行！
5 运行新服务器上的这个程序，选择恢复数据库，程序会读出你 fpt 来的数据库文件，然后插入到数据库中,程序会自动建立表格结构和插入数据的！
后计：刚才的文件出现点错误，已经修正了(password 需要改名字为 pass才可以用)
<?
set_time_limit(600);
if($action == ""
{
?>;
<title> HP世纪网 MySQL 数据库备份还原程序</title>;
<body bgcolor="#FFFFFF">;
<table width="400" border="0" cellspacing="0" cellpadding="2" align="center" bgcolor="f0f0f0">;
<form method=post>;
<input type=hidden name=action value=login>;
<tr align="center" bgcolor="#000066">;
<td colspan="2" height="20">;<font color="#FFFFFF">HP世纪网 MySQL 数据库备份还原程序 2001/3/1</font>;9</td>;
</tr>;
<tr>;
<td>;主机名</td>;
<td>;
<input type="text" name="host" size="30" value="localhost">;
</td>;
</tr>;
<tr>;
<td>;用户名</td>;
<td>;
<input type="text" name="user" size="30">;
</td>;
</tr>;
<tr>;
<td>;密码</td>;
<td>;
<input type="pass" name="pass" size="30">;
</td>;
</tr>;
<tr align="center">;
<td colspan="2">;
<input type="submit" name="Submit" value="登陆">;
<input type="reset" name="Submit2" value="重填">;
</td>;
</tr>;
</form>;
</table>;
<?
}
elseif($action == "login"
{
mysql_connect($host,$user,$pass);
?>;
选择要保存的数据库
<?
$dbresult = mysql_list_dbs();
for($i=0;$i<mysql_numrows($dbresult);$i++)
{
$db=mysql_dbname($dbresult,$i);
?>;
<form method=post target=_blank>;
<input type=hidden name=action value="do">;
<input type=hidden name=host value="<?echo $host?>;">;
<input type=hidden name=user value="<?echo $user?>;">;
<input type=hidden name=pass value="<?echo $pass?>;">;
<input type=hidden name=db value="<?echo $db?>;">;
<?echo $db?>;
<input type=submit name=submit value="保存">;
<input type=submit name=submit value="还原">;
</form>;
<?
}
}
elseif(($action == "do" && ($submit == "还原")
{
mysql_connect($host,$user,$pass);
if(!file_exists("$db.txt")
{
echo "文件不存在！请先上传数据库备份文件 $db.txt";
exit();
}
//读入数据库文件
// $handle = fopen("$db.txt","r";
$message = file("$db.txt";
$pointer = 0;
$copyright = chop($message[$pointer++]);
if(substr($copyright,0,36) != "HP世纪网 - MySQL 数据库备份还原程序"
{
echo "000 - 文件格式不对！";
fclose($handle);
exit();
}
$tablenum = chop($message[$pointer++]);
for($i=0;$i<$tablenum;$i++)
{
chop($message[$pointer++]);
$table = chop($message[$pointer++]);
//删除表格
$droptable = chop($message[$pointer++]);
mysql_db_query($db,$droptable);
//创建表格
$creattable = chop($message[$pointer++]);
mysql_db_query($db,$creattable);
//恢复数据
$rownum = chop($message[$pointer++]);
$numfields = chop($message[$pointer++]);
for($j=0;$j<$rownum;$j++)
{
$value="";
for($k=0;$k<($numfields-1);$k++)
{
$value .= "'".addslashes(str_replace(" ","\r\n",chop($message[$pointer++])))."',";
}
$value .= "'".str_replace(" ","\r\n",chop($message[$pointer++]))."'";
mysql_db_query($db,"insert into $table values (".$value."";
}
}
echo "$db 还原成功";
exit();
}
elseif(($action == "do") && ($submit == "保存"))
{
mysql_connect($host,$user,$pass);
function save_table_struct($db, $table)
{
//删除旧的表格
$schema_create .= "DROP TABLE IF EXISTS $table\r\n";
//创建
$schema_create .= "CREATE TABLE $table (";
//读取字段信息
$result = mysql_db_query($db, "SHOW FIELDS FROM $table");
while($row = mysql_fetch_array($result))
{
$schema_create .= " $row[Field] $row[Type]";
//默认属性
if(isset($row["Default"]) && (!empty($row["Default"]) || $row["Default"] == "0"))
$schema_create .= " DEFAULT '$row[Default]'";
//为空属性
if($row["Null"] != "YES")
$schema_create .= " NOT NULL";
//额外属性
if($row["Extra"] != "")
$schema_create .= " $row[Extra]";
$schema_create .= ",";
}
//去掉里面的错误的部分
$schema_create = ereg_replace(",$", "", $schema_create);
//读取关键字
$result = mysql_db_query($db, "SHOW KEYS FROM $table");
while($row = mysql_fetch_array($result))
{
$kname=$row['Key_name'];
if(($kname != "RIMARY") && ($row['Non_unique'] == 0))
$kname="UNIQUE|$kname";
if(!isset($index[$kname]))
$index[$kname] = array();
$index[$kname][] = $row['Column_name'];
}
while(list($x, $columns) = @each($index))
{
$schema_create .= ",";
if($x == "RIMARY")
$schema_create .= " PRIMARY KEY (" . implode($columns, ", ") . ")";
elseif (substr($x,0,6) == "UNIQUE")
$schema_create .= " UNIQUE ".substr($x,7)." (" . implode($columns, ", ") . ")";
else
$schema_create .= " KEY $x (" . implode($columns, ", ") . ")";
}
//结束
$schema_create .= ")\r\n";
return (stripslashes($schema_create));
}
function save_table_data($db,$table)
{
global $handle;
$result = mysql_db_query($db,"select * from $table");
fputs($handle,@mysql_num_rows($result)."\r\n");
$numfields = mysql_num_fields($result);
fputs($handle,$numfields."\r\n");
if(@mysql_num_rows($result) <= 0) return;
for($k=0;$k<mysql_num_rows($result);$k++)
{
$msg = mysql_fetch_row($result);
for($i=0;$i<$numfields;$i++)
{
$msg[$i] = str_replace("\r\n"," ",$msg[$i]);
$msg[$i] = str_replace("\n" ," ",$msg[$i]);
fputs($handle,$msg[$i]."\r\n");
}
}
}
mysql_connect($host,$user,$pass);
//创建文件
$handle = fopen("$db.txt","w");
//文件标识
fputs($handle,"HP世纪网 - MySQL 数据库备份还原程序 V1.0 www.php2000.com\r\n");
//列出所有的表格
$tableresult = mysql_list_tables($db);
fputs($handle,mysql_num_rows($tableresult)."\r\n");
for($i=0;$i<mysql_numrows($tableresult);$i++)
{
$table = mysql_tablename($tableresult,$i);
//保存表格结构
fputs($handle,"------- 转换 $db - $table 开始 --------\r\n");
fputs($handle,"$table\r\n");
fputs($handle,save_table_struct($db,$table));
fputs($handle,save_table_data($db,$table));
}
fclose($handle);
echo "保存完毕!";
}
?>; |
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发表于 2003-09-29 09:06
