传递AJAX后，我的UTF-8字符变得无法识别

Question

我从我的UTF-8数据库中查询名称，如果我用php回显它们，它们在浏览器中打印得很好。

当我用Ajax发回它们时，它们变得无法识别。经过几个小时的调试，我找不到我的错误。

这是ajax代码：

                    load: function(query, callback) {
                    if (!query.length) return callback();
                    $.ajax({
                        url: 'getnames.php',
                        type: 'GET',
                        dataType: 'json',
                        contentType: "application/x-www-form-urlencoded;charset=UTF-8",
                        data: {
                            name: selected_race.concat("__".concat(query)),
                        },
                        error: function() {
                            callback();
                        },
                        success: function(res) {
                            callback(res);
                        }
                    });
                }

这就是get names.php

<?php
// parameters from URL
$type_entry = $_GET['name'];
$split = explode("__",$type_entry);
$race = "Race_".$split[0];
$name = "%".$split[1]."%";

// connect to the database and get the names
require 'connect_sql.php';

//$names_query = "Select Name FROM " .$race ." WHERE Name Like " .$name;
$names_query = "Select Name FROM ".$race." WHERE Name LIKE '".$name."'";

$query_result = mysqli_query($db, $names_query) or die("Zit hier de fout".mysql_error());;

$names = array();
while($row = mysqli_fetch_array($query_result)){
    $names[] = "{ \"Name\": \"$row[0]\" }";

}

//output to browers
header('Content-Type: text/javascript; charset=UTF-8');
echo "[\n" .join(",\n", $names) ."\n]";?>

你看到我做错了吗？