请问php使用pdo连接mysql如何是指长连接?
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只要设置$db->setAttribute (\PDO::ATTR_PERSISTENT, true);就好了,代码如下:
<?php $outhtml = ""; try { $db = new PDO('mysql:host=localhost;dbname=guest', 'guest', 'p6yhG8iDRMNxdJ9w'); $db->setAttribute (\PDO::ATTR_ERRMODE, \PDO::ERRMODE_EXCEPTION); $db->setAttribute (\PDO::ATTR_PERSISTENT, true); $res = $db->prepare("select * from User"); //准备查询语句 $res->execute(); ...
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