<p>基于下面的代码，我用于常规的mysql，我应该如何将其转换为使用mysqli？</p><p>只需将mysql_query($sql);更改为mysqli_query($sql);，是这样简单吗？</p><p><strong><code></code><code></code></strong></p> <pre class="brush:php;toolbar:false;">&lt;?PHP //in my header file that is included on every page I have this $DB["dbName"] = "emails"; $DB["host"] = "localhost"; $DB["user"] = "root"; $DB["pass"] = ""; $link = mysql_connect($DB['host'], $DB['user'], $DB['pass']) or die("&lt;center&gt;An Internal Error has Occured. Please report following error to the webmaster.&lt;br&gt;&lt;br&gt;".mysql_error()."'&lt;/center&gt;"); mysql_select_db($DB['dbName']); // end header connection part // function from a functions file that I run a mysql query through in any page. function executeQuery($sql) { $result = mysql_query($sql); if (mysql_error()) { $error = '&lt;BR&gt;&lt;center&gt;&lt;font size="+1" face="arial" color="red"&gt;An Internal Error has Occured.&lt;BR&gt; The error has been recorded for review&lt;/font&gt;&lt;/center&gt;&lt;br&gt;'; if ($_SESSION['auto_id'] == 1) { $sql_formatted = highlight_string(stripslashes($sql), true); $error .= '&lt;b&gt;The MySQL Syntax Used&lt;/b&gt;&lt;br&gt;' . $sql_formatted . '&lt;br&gt;&lt;br&gt;&lt;b&gt;The MySQL Error Returned&lt;/b&gt;&lt;br&gt;' . mysql_error(); } die($error); } return $result; } // example query ran on anypage of the site using executeQuery function $sql='SELECT auto_id FROM friend_reg_user WHERE auto_id=' .$info['auto_id']; $result_member=executequery($sql); if($line_member=mysql_fetch_array($result_member)){ extract($line_member); } else { header("location: index.php"); exit; } ?&gt;</pre> <p><br /></p>

mysql_query($query)

mysqli_query($link, $query)