來自 getImage.php 的圖像不會顯示在 img src 中

Question

所以基本上，如果我轉到getImage鏈接，就會顯示來自數據庫的圖像，但是如果我在.php文件中使用它，它將顯示圖像但會調整其大小以適合卡，它不會顯示和 alt（這是頭像）顯示。

<center>
<img src="getImage.php" class="w3-circle" style="position:absolute; bottom:-20%; left:35.5%; width:30%" alt="Avatar">
</center>

然后是getImage.php的代碼：

<?php
session_start();
require './Database.php';

// do some validation here to ensure id is safe

$sql = "SELECT register.FULLNAME, register.IMAGE, gameData.NBA_SCORE FROM register inner join gameData on register.ID = gameData.ID WHERE NBA_SCORE = (select max(NEW_SCORE) from gameData)";
$result = mysqli_query($con, $sql);
$row = mysqli_fetch_assoc($result);
echo "<img src='".$row['IMAGE']."'>";
?>

我在做什么有什么問題嗎？

Answer 1

問題

HTML 嘗試獲取有效的圖像文件，如 jpg 或 png，但獲取內容為<img src="...">的 php/text 文件。

解決方案

您需要將 php 文件內容類型更改為圖像並輸出圖像文件數據：

header("Content-Type: image/jpeg");//or image/png
echo file_get_contents("$imagepath");//file path not url!!!

代碼

<?php
  session_start();
  require './Database.php';

  header("Content-Type: image/jpeg");    

  // do some validation here to ensure id is safe

  $sql = "SELECT register.FULLNAME, register.IMAGE, gameData.NBA_SCORE FROM register inner join gameData on register.ID = gameData.ID WHERE NBA_SCORE = (select max(NEW_SCORE) from gameData)";
  $result = mysqli_query($con, $sql);
  $row = mysqli_fetch_assoc($result);
  $path = $row['IMAGE'];//Maybe you need to change this if you only save an url in the database  
  echo file_get_contents($path);  

?>