C# 如何请求HTTPS这种的图片地址呀。比如微信临时二维码这种的_course

https://api.weixin.qq.com/cgi-bin/qrcode/create?access_token=UyKR4pFdoG47fMsAxmPJ7Ck5ASIuSNaj5_N__As

下载HTTPS图片代码_course

对方网站有一个HTTPS的图片 https://public.lightpic.info/image/B19A_5952792E0.jpg 我想在我的服务器上运行PHP 把这个图片下载保存到服务器上

在https中显示http图像的麻烦_course

<div class="post-text" itemprop="text"> <p>I need to embed http image in my https website, because if simply use <code>&lt;img src="http://www.sof.com/abc.jpg"/&gt;</code> will not show in https website.</p> <p>After that, I was search some topic of this function, I found that something like <code>&lt;img src="https://www.some.com/image.php?url=http://www.sof.com/abc.jpg" /&gt;</code> can be show in https</p> <p>So now I was genarate 2 source. 1 is the image file: <code>http://www.website1.com/abc.png</code>, </p> <p>and the https web adress is <code>https://fb.ccc.com</code></p> <p>after that I create the image.php code was below:</p> <pre><code>&lt;? $strFile = base64_decode(@$_GET['url']); $strFileExt = end(explode('.' , $strFile)); if($strFileExt == 'jpg' or $strFileExt == 'jpeg'){ header('Content-Type: image/jpeg'); }elseif($strFileExt == 'png'){ header('Content-Type: image/png'); }elseif($strFileExt == 'gif'){ header('Content-Type: image/gif'); }else{ die('not supported'); } if($strFile != ''){ $cache_expire = 60*60*24*365; header("Pragma: public"); header("Cache-Control: maxage=". $cache_expire); header('Expires: ' . gmdate('D, d M Y H:i:s', time() + $cache_expire).' GMT'); } exit; ?&gt; </code></pre> <p>if I request the link: <a href="https://fb.ccc.com/image.php?url=http://www.website1.com/abc.png" rel="nofollow">https://fb.ccc.com/image.php?url=http://www.website1.com/abc.png</a> , then the page will be respone <code>not supported</code></p> <p>I was also try <code>$strFile = $_GET['url'];</code> but it only show blank. if I try <code>$strFile = var_dump(@$_GET['url']);</code> and the page will respone <code>string(31) "http://www.website1.com/abc.png" not supported</code></p> <p>so someone can help to find out what is my script problem?</p> <p>thank you very much!</p> </div>