<!?php /****** 備份數據庫結構 ******/ /* 函數名稱:table2sql() 函數功能:把表的結構轉換成為SQL 函數參數:$table: 要進行提取的表名 返 回 值:返回提取后的結果,SQL集合 函數作者:heiyeluren */ function table2sql($table) { global $db; $tabledump = "DROP TABLE IF EXISTS $table;\n"; $createtable = $db--->query("SHOW CREATE TABLE $table"); $create = $db->fetch_row($createtable); $tabledump .= $create[1].";\n\n"; return $tabledump; } /****** 備份數據庫結構和所有數據 ******/ /* 函數名稱:data2sql() 函數功能:把表的結構和數據轉換成為SQL 函數參數:$table: 要進行提取的表名 返 回 值:返回提取后的結果,SQL集合 函數作者:heiyeluren */ function data2sql($table) { global $db; $tabledump = "DROP TABLE IF EXISTS $table;\n"; $createtable = $db->query("SHOW CREATE TABLE $table"); $create = $db->fetch_row($createtable); $tabledump .= $create[1].";\n\n"; $rows = $db->query("SELECT * FROM $table"); $numfields = $db->num_fields($rows); $numrows = $db->num_rows($rows); while ($row = $db->fetch_row($rows)) { $comma = ""; $tabledump .= "INSERT INTO $table VALUES("; for($i = 0; $i < $numfields; $i++) { $tabledump .= $comma."'".mysql_escape_string($row[$i])."'"; $comma = ","; } $tabledump .= ");\n"; } $tabledump .= "\n"; return $tabledump; } ?> <!--?php $host="localhost"; //主機名 $user="root"; //MYSQL用戶名 $password="root"; //密碼 $dbname="dedecmsv4"; //備份的數據庫 mysql_connect($host,$user,$password); mysql_select_db($dbname); $q1=mysql_query("show tables"); while($t=mysql_fetch_array($q1)){ $table=$t[0]; $q2=mysql_query("show create table `$table`"); $sql=mysql_fetch_array($q2); $mysql.=$sql['Create Table'].";\r\n\r\n";#DDL $q3=mysql_query("select * from `$table`"); while($data=mysql_fetch_assoc($q3)) { $keys=array_keys($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);\r\n"; } $mysql.="\r\n"; } $filename=date('Ymd')."_".$dbname.".sql"; //文件名為當天的日期 $fp = fopen($filename,'w'); fputs($fp,$mysql); fclose($fp); echo "數據備份成功,生成備份文件".$filename; ?>
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