php mysql为啥显示乱码，utf-8 utf8-bin都设置了还是不行
<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<meta name="viewport" content="width=device-width,initial-scale=1" />
</head>
<body>
<?php
$servername = "localhost";
$username = "root";
$password = "";
$dbname = "myblog";
$con = mysqli_connect($servername, $username, $password, $dbname);
if(!$con)
{
echo"failed connect to database";
}else
{
echo"succeed connect to database";
echo"</br>";
$sql = "SELECT id,title,author,content,date FROM article";
$result = mysqli_query($con,$sql);
while($row = mysqli_fetch_array($result))
{
echo "id ==>";
echo $row[0];
echo "</br>";
echo "题目 ==>";
echo $row[1];
echo "</br>";
echo "作者 ==>";
echo $row[2];
echo "</br>";
echo "内容 ==>";
echo $row[3];
echo "</br>";
echo "日期 ==>";
echo $row[4];
echo "</br>";
}
mysqli_close($con);
}
?>
</body>
</html>
php代码设置了utf-8，mysql utf8-bin都设置了可是网页显示出来的依然是乱码
请大神指教
在连接上数据库后，设置一下查询的编码：