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mysqli_connect_error 乱码解决思路

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Release: 2016-06-13 12:00:42
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mysqli_connect_error 乱码
代码如下

header("Content-Type: text/html; charset=utf-8");<br />$db_host='127.0.0.1';<br />$db_host='192.168.0.22';<br />$db_user='root';<br />$db_pwd='';<br />$db_name='iq1';<br />@$mysqli=new mysqli($db_host,$db_user,$db_pwd,$db_name);<br /><br />if (mysqli_connect_errno()){<br />	$str='<fieldset><legend>数据库连接失败</legend>';<br />	$str.="<p>可能的原因有:数据库防火墙未关闭、数据库服务未启用</p>";<br />	$str.="<p>返回的错误信息是 %s</p>";<br />	$str.="</fieldset>";<br />	printf ($str,mysqli_connect_error());<br />	exit();<br />};<br />?>
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文件编码为UTF-8

浏览器显示 结果为


移除
header("Content-Type: text/html; charset=utf-8");
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将文件保存为 GB2312 页面显示正常,求解?
------解决方案--------------------
那是因为 mysqli_connect_error() 返回的信息是 gbk 的
你要 utf-8 的话就转一下码
printf ($str, iconv('gbk', 'utf-8', mysqli_connect_error()));
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