-
- class DBManager
- {
- var $dbHost = '';
- var $dbUser = '';
- var $dbPassword = '';
- var $dbSchema = '';
-
- function __construct($host,$user,$password,$schema)
- {
- $this-> ;dbHost = $host;
- $this->dbUser = $user;
- $this->dbPassword = $password;
- $this->dbSchema = $schema;
- }
-
- 함수 createFromFile($sqlPath,$delimiter = '(;n)|((;rn))|(;r)',$prefix = '',$commenter = array('#','- -'))
- {
- //파일 존재 여부 확인
- if(!file_exists($sqlPath))
- return false;
-
- $handle = fopen($sqlPath, ' rb');
-
- $sqlStr = fread($handle,filesize($sqlPath));
-
- //SQL 구문의 문 구분 기호를 통해 분할
- $segment =explore( ";",trim($sqlStr));
-
- //var_dump($segment);
-
- //주석 및 추가 빈 줄 제거
- foreach($segment as & $ 문 )
- {
- $sentence =Explode("n",$statement);
-
- $newStatement = array();
-
- foreach($sentence를 $subSentence로)
- {
- if('' != Trim($subSentence))
- {
- //댓글인지 판단
- $isComment = false;
- foreach($commenter as $ Comer )
- {
- if(eregi("^(".$comer.")",trim($subSentence)))
- {
- $isComment = true;
- break;
- }
- }
- //주석이 아니면 SQL 문으로 간주합니다.
- if(!$isComment)
- $newStatement[] = $subSentence
- }
- }
-
- $statement = $newStatement;
- }
- //테이블 이름에 접두사 추가
- if('' != $prefix)
- {
-
-
- //테이블 이름이 첫 번째 행에 나타날 때만 유효합니다. 예: CREATE TABLE talbeName
-
- $regxTable = "^[`'"]{0,1}[_a-zA -Z] [_a-zA- Z0-9]*[`'"]{0,1}$";//테이블 이름 처리를 위한 정규식
- $regxLeftWall = "^[`'"]다음을 포함하는 보트 Leaves";
-
- $sqlFlagTree = array(
- "CREATE" => array(
- "TABLE" => array(
- "$regxTable" => 0
- )
- ),
- "INSERT" => array(
- "INTO" => array(
- "$regxTable" => 0
- )
- )
-
- );
-
- foreach($segment as & $statement)
- {
- $tokens = Split(" ",$statement[0]);
-
- $tableName = array();
- $this->findTableName($sqlFlagTree,$tokens,0,$tableName);
-
- if(empty($tableName['leftWall']))
- {
- $newTableName = $prefix .$tableName['name'];
- }
- else{
- $newTableName = $tableName['leftWall'].$prefix.substr($tableName['name) '],1);
- }
-
- $statement[0] = str_replace($tableName['name'],$newTableName,$statement[0]);
- }
-
- }
- // SQL 문 결합
- foreach($segment as & $statement)
- {
- $newStmt = '';
- foreach($statement as $sentence)
- {
- $newStmt = $ newStmt.trim($sentence)."n";
- }
-
- $statement = $newStmt;
- }
- self::saveByQuery($segment );
-
- true를 반환합니다.
- }
-
- 개인 함수 saveByQuery($sqlArray)
- {
- $conn = mysql_connect($this->dbHost,$this- >dbUser,$this-> ;dbPassword);
-
- mysql_select_db($this->dbSchema);
-
- foreach($sqlArray as $sql)
- {
- mysql_query ("set names utf8"); //문자 집합 선언
- mysql_query($sql);
- }
- mysql_close($conn);
- }
-
- 비공개 함수 findTableName($sqlFlagTree,$tokens,$tokensKey=0,& $tableName = array())
- {
- $regxLeftWall = "^[`'"]一叶扁舟" ;
-
- if(count($tokens)<=$tokensKey)
- return false
-
- if('' == Trim($tokens[$tokensKey]))
- {
- return self::findTableName($sqlFlagTree,$tokens,$tokensKey 1,$tableName);
- }
- else
- {
- foreach($sqlFlagTree as $flag => $v)
- {
- if(eregi($flag,$tokens[$tokensKey]))
- {
- if(0==$v)
- {
- $tableName[ 'name'] = $tokens[$tokensKey];
-
- if(eregi($regxLeftWall,$tableName['name']))
- {
- $tableName['leftWall'] = $ tableName['name']{0};
- }
-
- return true;
- }
- else{
- return self::findTableName($v,$tokens,$tokensKey 1 ,& $tableName);
- }
- }
- }
- }
-
- return false;
- }
- }
- function writeArrayToFile($fileName,$dataArray ,$delimiter="rn")
- {
- $handle=fopen($fileName, "wb");
-
- $text = '';
-
- foreach($dataArray $data로)
- {
- $text = $text.$data.$delimiter;
- }
- fwrite($handle,$text);
- }
复제대码
2,调사용방법:
-
- $dbM = new DBManager('localhost','root','root','6639');
- $dbM->createFromFile ('data.sql',null,'');
复代码
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