Telegram机器人Api:如何使用PHP发送照片？
Telegram机器人Api:如何使用PHP发送照片？
提问于 2015-08-30 19:53:46
sendPhoto命令需要定义为InputFile or String参数photo。
API文档告诉我们：
Photo to send. You can either pass a file_id as String to resend a photo
that is already on the Telegram servers, or upload a new photo using
multipart/form-data.和
InputFile
This object represents the contents of a file to be uploaded. Must be
posted using multipart/form-data in the usual way that files are
uploaded via the browser. 所以我尝试了这个方法
$bot_url = "https://api.telegram.org/bot<bot_id>/";
$url = $bot_url . "sendPhoto?chat_id=" . $chat_id;
$ch = curl_init();
curl_setopt($ch, CURLOPT_HTTPHEADER, array(
"Content-Type:multipart/form-data"
));
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($ch, CURLOPT_POSTFIELDS, array(
"photo" => "@/path/to/image.png",
));
curl_setopt($ch, CURLOPT_INFILESIZE, filesize("/root/dev/fe_new.png"));
$output = curl_exec($ch);curls被执行，但Telegram回复我：
Error: Bad Request: Wrong persistent file_id specified: contains wrong
characters or have wrong length我也尝试过用file_get_contents替换@/path...，但在本例中Telegram给了我一个空的回复( curl_error也是空的!)。
使用php + curl发送照片到电报的方法是什么?
回答 7
Stack Overflow用户
回答已采纳
发布于 2015-08-30 20:03:35
这是我的工作解决方案，但它需要PHP 5.5：
$bot_url = "https://api.telegram.org/bot<bot_id>/";
$url = $bot_url . "sendPhoto?chat_id=" . $chat_id ;
$post_fields = array('chat_id' => $chat_id,
'photo' => new CURLFile(realpath("/path/to/image.png"))
);
$ch = curl_init();
curl_setopt($ch, CURLOPT_HTTPHEADER, array(
"Content-Type:multipart/form-data"
));
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($ch, CURLOPT_POSTFIELDS, $post_fields);
$output = curl_exec($ch);Stack Overflow用户
发布于 2015-09-29 20:34:28
这段代码对我帮助很大，这些代码是从php.net网站上获得的，这里是
访问http://php.net/manual/en/class.curlfile.php#115161 (在php网站上投票支持这段代码)。
我只需在此代码中更改报头，让电报机器人发送图像，只需复制此函数
function curl_custom_postfields($ch, array $assoc = array(), array $files = array()) {
// invalid characters for "name" and "filename"
static $disallow = array("\0", "\"", "\r", "\n");
// build normal parameters
foreach ($assoc as $k => $v) {
$k = str_replace($disallow, "_", $k);
$body[] = implode("\r\n", array(
"Content-Disposition: form-data; name=\"{$k}\"",
"",
filter_var($v),
));
}
// build file parameters
foreach ($files as $k => $v) {
switch (true) {
case false === $v = realpath(filter_var($v)):
case !is_file($v):
case !is_readable($v):
continue; // or return false, throw new InvalidArgumentException
}
$data = file_get_contents($v);
$v = call_user_func("end", explode(DIRECTORY_SEPARATOR, $v));
$k = str_replace($disallow, "_", $k);
$v = str_replace($disallow, "_", $v);
$body[] = implode("\r\n", array(
"Content-Disposition: form-data; name=\"{$k}\"; filename=\"{$v}\"",
"Content-Type: image/jpeg",
"",
$data,
));
}
// generate safe boundary
do {
$boundary = "---------------------" . md5(mt_rand() . microtime());
} while (preg_grep("/{$boundary}/", $body));
// add boundary for each parameters
array_walk($body, function (&$part) use ($boundary) {
$part = "--{$boundary}\r\n{$part}";
});
// add final boundary
$body[] = "--{$boundary}--";
$body[] = "";
// set options
return @curl_setopt_array($ch, array(
CURLOPT_POST => true,
CURLOPT_POSTFIELDS => implode("\r\n", $body),
CURLOPT_HTTPHEADER => array(
"Expect: 100-continue",
"Content-Type: multipart/form-data; boundary={$boundary}", // change Content-Type
),
));
}Basic Try:现在只需通过发送带有路径和聊天id的照片名称来使用此代码，这是如何实现的：-
$array1=array('chat_id'=><here_chat_id>);
$array2=array('photo'=>'index.jpg') //path
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL,"https://api.telegram.org/<bot_token>/sendPhoto");
curl_custom_postfields($ch,$array1,$array2);//above custom function
$output=curl_exec($ch);
close($ch);用于发送png或其他方法的根据需要更改curl_custom函数。
Stack Overflow用户
发布于 2015-09-08 20:00:29
我在网上找了很多，但没有找到答案。但是，你的问题解决了我的问题。我刚刚修改了你的代码，这为我解答了这个问题...我将您的代码更改为：
$chat_id=chat Id Here;
$bot_url = "https://api.telegram.org/botYOUR_BOT_TOKEN/";
$url = $bot_url . "sendPhoto?chat_id=" . $chat_id;
$ch = curl_init();
curl_setopt($ch, CURLOPT_HTTPHEADER, array(
"Content-Type:multipart/form-data"
));
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($ch, CURLOPT_POSTFIELDS, array(
"photo" => "@path/to/image.png",
));
curl_setopt($ch, CURLOPT_INFILESIZE, filesize("path/to/image.png"));
$output = curl_exec($ch);
print$output;页面原文内容由Stack Overflow提供。腾讯云小微IT领域专用引擎提供翻译支持
原文链接：
https://stackoverflow.com/questions/32296272
复制相关文章
相似问题
腾讯云开发者
