php错误提示求解
Warning:Missingargument1formysql::__construct(),calledinF:\wamp\www\test1\sh.phponlin...
Warning: Missing argument 1 for mysql::__construct(), called in F:\wamp\www\test1\sh.php on line 11 and defined in F:\wamp\www\test1\function.php on line 14
Warning: Missing argument 2 for mysql::__construct(), called in F:\wamp\www\test1\sh.php on line 11 and defined in F:\wamp\www\test1\function.php on line 14
Warning: Missing argument 3 for mysql::__construct(), called in F:\wamp\www\test1\sh.php on line 11 and defined in F:\wamp\www\test1\function.php on line 14
这个警告是什么意思？ 展开
Warning: Missing argument 2 for mysql::__construct(), called in F:\wamp\www\test1\sh.php on line 11 and defined in F:\wamp\www\test1\function.php on line 14
Warning: Missing argument 3 for mysql::__construct(), called in F:\wamp\www\test1\sh.php on line 11 and defined in F:\wamp\www\test1\function.php on line 14
这个警告是什么意思？ 展开
1个回答
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mysql 类实例化时需要提供三个参数，因为没有提供参数所以警告。
$db = new mysql('127.0.0.1','root','123456'); //正确的大概是这样
$db = new mysql('127.0.0.1','root','123456'); //正确的大概是这样
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