使用php创建图像并在joomla模板中显示它(Create image with php and show it in joomla template)

使用php创建图像并在joomla模板中显示它(Create image with php and show it in joomla template)

我在一个类中有一个简单的函数：

<?php>class cre { function creimage() { header("Content-type: image/gif"); $im = imagecreate (100, 50); imagegif($im); imagedestroy($im); } };?>

在模型文件中：

<?php class mymodel extends JModel { var myclass; function __construct() { myclass = new cre(); } function getMyclass() { return $this->myclass; } };?>

view.html.php文件：

<?php class myview extends JView { function display($tpl = null) { $myclass = & $this->get('Myclass'); parent::display($tpl); } };?>

我在joomla模板中调用此函数，给出了image标签的src属性，如下所示：

<img src='<?php echo $this->myclass->creimage();?>'>

但是，尽管我得到了图像，但我可以在浏览器中看到图像的二进制代码。 错误是什么？ 非常感谢

I have a simple function in a class:

<?php>class cre { function creimage() { header("Content-type: image/gif"); $im = imagecreate (100, 50); imagegif($im); imagedestroy($im); } };?>

In model file:

<?php class mymodel extends JModel { var myclass; function __construct() { myclass = new cre(); } function getMyclass() { return $this->myclass; } };?>

view.html.php file:

<?php class myview extends JView { function display($tpl = null) { $myclass = & $this->get('Myclass'); parent::display($tpl); } };?>

I call this function in a joomla template with giving src attribute of image tag such manner:

<img src='<?php echo $this->myclass->creimage();?>'>

but in spite of I get the image, I can see the binary code of the image in the browser. What is the error? Many thanks

最满意答案

您的creimage方法正在发送实际的图像数据，这些数据是您在src=''属性中所固定的，这将无效。

您需要在src属性中放置一个URL：

<img src='/path/to/imagescript.php'>

然后在那里创建一个PHP脚本，使用适当的标头发送图像数据。

Your creimage method is sending out the actual image data, which you are sticking inside of your src='' attribute, that won't work.

You need to put a URL in the src attribute:

<img src='/path/to/imagescript.php'>

Then create a PHP script there that sends out the image data with the appropriate header.