数据库连接成功！ Notice: Use of undefined constant vote_name - assumed 'vote_name' in C:\phpStudy\PHPTutorial\WWW\test\Voteset.php on line 4
Notice: Undefined variable: db in C:\phpStudy\PHPTutorial\WWW\test\Voteset.php on line 18
Fatal error: Call to a member function query() on a non-object in C:\phpStudy\PHPTutorial\WWW\test\Voteset.php on line 18
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