mysql mysql_error mysqli_connect_error 文字化けコード、mysqliconnecterror_PHP チュートリアル

mysql mysql_error mysqli_connect_error 乱数，mysqliconnecterror

<span><</span><span>html</span><span>></span>
    <span><</span><span>head</span><span>></span>
        <span><</span><span>meta </span><span>charset</span><span>="utf-8"</span><span>></span>
        <span><</span><span>title</span><span>></</span><span>title</span><span>></span>
    <span></</span><span>head</span><span>></span>
    <span><</span><span>body</span><span>></span>
        <span><?</span><span>php
      
        $con = mysqli_connect("localhost", "root", "root","ehr");
        
        if (!$con) {<br />      　　　　//转码
             echo 'Could not connect: ' . iconv('gbk', 'utf-8', mysqli_connect_error());
        }else{
             echo 'Connect:Access ';
        }
        </span><span>?></span>
    <span></</span><span>body</span><span>></span>
<span></</span><span>html</span><span>></span>

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