本文实例分析了PHP的mysql事务问题。分享给大家供大家参考,具体如下:
对于myisam数据库,可以控制事务的进行:
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$mysqlrl = mysql_connect ( $db_config [ "host" ], $db_config [ "user" ], $db_config [ "pass" ], true );
if (! $mysqlrl ) {
$msg = mysql_error ();
die ( 'Could not connect: ' . $msg );
}
mysql_select_db ( $db_config [ "data" ], $mysqlrl ) or die ( "error: 数据库异常" );
mysql_query ( "SET NAMES 'utf8'" );
date_default_timezone_set ( 'Asia/Shanghai' );
/**
* 事务操作过程 BEGIN COMMIT END
*/
mysql_query ( 'BEGIN' );
$flag3 = mysql_query ( $sql3 );
$flag1 = mysql_query ( $sql1 );
$flag2 = mysql_query ( $sql2 );
if ( $flag1 && $flag1 && $flag3 ) {
mysql_query ( 'COMMIT' );
mysql_query ( 'END' );
$data .= "\r\n" . "更新记录成功" ;
write_file ( $file , $data );
return true;
} else {
print mysql_error ();
mysql_query ( 'ROLLBACK' );
mysql_query ( 'END' );
$data .= "\r\n" . "更新记录失败(⊙o⊙)!!!" ;
write_file ( $file , $data );
return false;
}
}
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希望本文所述对大家PHP程序设计有所帮助。