PHPがSQLファイルを読み込んでデータベースにインポートする（例）

/**
* SQL ファイルを読み取り、データベースに書き込みます
* @version 1.01 Demon.php
* @author xingshaocheng
* @edit: bbs.it-home.org
*/
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;
 }

 function createFromFile($sqlPath,$delimiter = '(;n)|((;rn))|( ;r)',$prefix = '',$commenter = array('#','--'))
 {
 //ファイルが存在するかどうかを判断します
 if(!file_exists($sqlPath))
 return false;

 $handle = fopen($sqlPath,'rb');

 $sqlStr = fread($handle,filesize($sqlPath));

 //SQL構文の文区切りで分割
 $segment =explode( ";",trim($sqlStr));

 //var_dump($segment);

 //コメントと余分な空白行を削除します
 foreach($segment as & $statement)
 {
 $sentence =explode( " n",$statement);

 $newStatement = array();

 foreach($sentence as $subSentence)
 {
 if('' != Trim($subSentence))
 {
 //いいえ、コメントです
 $isComment = false;
 foreach($commenter as $comer)
 {
 if(eregi("^(".$comer.")",trim($subSentence)))
 {
 $isComment = true;
 Break;
 }
 }
 // コメントではない場合、SQL ステートメントとみなされます
 if(!$isComment)
 $newStatement[] = $subSentence
 }
 }

 $statement; = $newStatement;
 }
 //テーブル名にプレフィックスを付けます
 if('' != $prefix)
 {


 //テーブル名が最初の行にある場合にのみ有効です。たとえば、CREATE TABLE talbeName

。 $regxTable = "^[` '"]{0,1}[_a-zA-Z]+[_a-zA-Z0-9]*[`'"]{0,1}$";//正規表現テーブル名の処理用
 $ regxLeftWall = "^[`'"]Developed";

 $sqlFlagTree = array(
 "CREATE" => array(
 "TABLE" => array(
 "$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]);
 }

 }
 //結合 SQL ステートメント
 foreach($segment as & $statement)
 {
 $newStmt = '';
 foreach($statement as $sentence)
 {
 $newStmt = $newStmt.trim($sentence)." n";
 }

 $statement = $newStmt;
 }

 //テスト用---------------------
 //var_dump($segment) ;
 //writeArrayToFile('data.txt',$segment);
 //---------------------------- ---

 self::saveByQuery($segment);

 true を返す;
 }

 プライベート関数 saveByQuery($sqlArray)
 {
 $conn = mysql_connect($this->dbHost,$this->dbUser,$this->dbPassword);

 mysql_select_db($this->dbSchema) ;

 foreach($sqlArray as $sql)
 {
 mysql_query($sql);
 }
 mysql_close($conn);
 }

 プライベート関数 findTableName($sqlFlagTree,$tokens,$tokensKey=0,& $ tableName = array())
 {
 $regxLeftWall = "^[`'"] 発行";

 if(count($tokens)<=$tokensKey)
 return false;

 if('' == トリム($tokens[$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;
 }
}
< p>function writeArrayToFile($fileName,$dataArray,$delimiter="rn")
{
 $handle=fopen($fileName, "wb");

 $text = '';

 foreach($dataArray as $ data)
 {
 $text = $text.$data.$delimiter;
 }
 fwrite($handle,$text);
}
//测试
$dbM = 新しい DBManager ('localhost','w01f','123456','test');
$dbM->createFromFile('data.sql',null,'fff_');
?>