似乎您正在使用php填充$data.因此，您必须将字符集设置为UTF8(即SET NAMES 'utf-8';).例如，如果您使用的是mysqli，则代码将如下所示:

It seems you are using php to populate $data. So you have to set charset as UTF8 (i.e. SET NAMES 'utf-8';). For example if you were using mysqli, your code would be like this:

<?php
    $conn = new mysqli(DB_SERVER, DB_USERNAME, DB_PASSWORD, DB_NAME);
    mysqli_set_charset($conn,"utf8");

或者如果您使用的是PDO或此答案. com/a/16575294/1922137>已弃用的mysql .此外，不要忘记使用utf8-persian-ci集合.

Or use this answer if you were using PDO or this one for deprecated mysql. Moreover, do not forget to use utf8-persian-ci collection.

在html中，如果您有表单，请将accept-charset设置为UTF-8:

In your html if you have a form, set the accept-charset as UTF-8:

<form action="" accept-charset="UTF-8">