我安装了utf8mb4，但没有出现表情符号。 我设置的所有内容均为“ utf8mb4”。 这怎么了

Question

这是列名和表情符号记录。

这是我的网站。 表情符号未出现。 出现“？”。

我的桌子字符集 我的数据库字符集

mysql字符集

我想让我的表情符号出现。 并且我正在谷歌搜索，并且遵循了这些内容，但是显示的只是“？”。 这怎么了 而且我在HTML上而不是在DB记录上写表情符号，表情符号显示出很好的效果并且可以正常工作。

我正在使用MySQL，PHP和IIS。

//load_data.php
<?php include_once($_SERVER["DOCUMENT_ROOT"].'/_common.php')
;$data = array(); $addSql = "";

$addSql .= !empty($_POST["Category"])?" AND `ko_Kind` = '{$_POST['Category']}' " : "";
$addSql .= !empty($_POST["Obtain"])?" AND `ko_획` like '%{$_POST['Obtain']}%' " : "";
$addSql .= !empty($_POST["Search"])?" AND `ko_이` like '%{$_POST['Search']}%' " : "";
$addSql .= !empty($_POST["Set"])?" AND `ko_세` like '%{$_POST['Set']}%' " : "";
$addSql .= !empty($_POST["Quality"])?" AND `ko_테` like '%{$_POST['Quality']}%' " : "";
$addSql .= !empty($_POST["Theme"])?" AND `ko_가` like '%{$_POST['Theme']}%' " : "";
$addSql .= ($_POST["amiibocb"] == "true")?" AND `en_amiibo+` = 'Welcome amiibo Update' " : "";
$addSql .= ($_POST["OntheCatalog"] == "true")?" AND `카탈로그` = 'O' " : "";
$addSql .= ($_POST["abletoorder"] == "true")?" AND `카탈로그` = 'O' " : "";
$addSql .= ($_POST["Customization"] == "true")?" AND `Customization` = 'O' " : "";
$totalCnt = sql_fetch("Select count(*) as cnt FROM acnliteminfo where 1     {$addSql}");
$totalSql = "Select count(*) as cnt FROM `acnliteminfo` where 1     {$addSql}";
$totalQuery = sql_query($totalSql);
$total = mysqli_fetch_assoc($totalQuery);
$stNum = ($_POST["page"] - 1) * $_POST["pageLimit"];
$endNum = $_POST["page"] * $_POST["pageLimit"];
$sql = "SELECT * FROM `acnliteminfo` WHERE 1 {$addSql} order by ko_이름     Asc Limit 0, $endNum ";
$result = sql_query($sql);

for($i = 0; $row = mysqli_fetch_array($result); $i++){
if(!empty($row["ko_이"])){
    $data[$i]["이"] = $row["ko_이"];
}
if(!empty($row["ko_획득_경로"])){
    $data[$i]["획득 경로"] = "<span style=\"line-height:1.3em;\">    {$row["ko_획득_경로"]}</span>";
}
if(!empty($row["ko_위치"])){
    $data[$i]["위치"] = $row["ko_위치"];
}
if(!empty($row["ko_구매_가격"])){
    $data[$i]["구매 가격"] = $row["ko_구매_가격"];
}
if(!empty($row["ko_판매_가격"])){
    $data[$i]["판매 가격"] = $row["ko_판매_가격"];
}

if(!empty($row["ko_세트"])){
    $data[$i]["세트"] = $row["ko_세트"];
}
if(!empty($row["ko_테마"])){
    $data[$i]["테마"] = $row["ko_테마"];
}
if(!empty($row["ko_가구_테마"])){
    $data[$i]["가구 테마"] = $row["ko_가구_테마"];
}
if(!empty($row["ko_출현_기간과_시간"])){
    $data[$i]["출현 기간과 시간"] = $row["ko_출현_기간과_시간"];
}
if(!empty($row["Customization_Prices"])){
    $data[$i]["리폼 가격"] = $row["Customization_Prices"];
}
if(!empty($row["ko_Kind"])){
    $data[$i]["Kind"] = $row["ko_Kind"];
}
    $data[$i]["Img"] =     file_exists($_SERVER["DOCUMENT_ROOT"]."/image/".$row["image_url"].".png")?"/image/".$row["image_url"].".png" : "/image/1.png";
}
{"data" : <?=json_encode($data)?>, "sql" : "<?=$sql?>", "total" : "<?=$total[cnt]?>"}
?>

index.php

<?php
include_once($_SERVER["DOCUMENT_ROOT"].'/_common.php');
$submitChk = "false";
foreach($_GET as $k => $v){
if(!empty($v)){
    $submitChk = "true";
    break;
    }
}

function fill_list($value = ""){
$output = '';
$sql = "SELECT distinct(ko_Kind) FROM acnliteminfo order by ko_Kind";
$result = sql_query($sql);
while($row = sql_fetch_array($result))
{
$sel = ($value == $row["ko_Kind"])?" selected " : "";
    $output .= '<option value="'.$row["ko_Kind"].'"'.$sel.'>'.$row["ko_Kind"].'</option>';
}
return $output;
}



?>