[英]how to call curl cmd in Ajax
这是我的curl命令,无论如何都可以使用ajax执行此命令
curl -X POST -u "CONVERSATION_USERNAME":"CONVERSATION_PASSWORD" -H "Content-Type:application/json" -d "{\"input\": {\"text\":\" \"}}" "https://gateway.watsonplatform.net/conversation/api/v1/workspaces/CONVERSATION_ID/message?version=2016-07-11"
这应该工作。
$.ajax({
url: "https://conversation_username:conversation_password@gateway.watsonplatform.net/conversation/api/v1/workspaces/CONVERSATION_ID/message?version=2016-07-11",
method: "POST",
headers: {
"Content-Type": "application/json"
},
data: {
input: {
text: " "
}
}
})
done(function(data) {
// handle success response
})
.fail(function(err) {
// handle error response
});
http://api.jquery.com/jquery.ajax/
编辑-更新为使用promise处理成功和错误响应。
创建一个php文件,将该命令放在该文件中,从curl响应中返回所需内容,然后通过ajax调用此php文件。
文件ajax_curl.php
<?php
//do your curl call here
//curl -X POST -u "CONVERSATION_USERNAME":"CONVERSATION_PASSWORD" -H "Content-Type:application/json" -d "{\"input\": {\"text\":\" \"}}" "https://gateway.watsonplatform.net/conversation/api/v1/workspaces/CONVERSATION_ID/message?version=2016-07-11"
//see http://php.net/manual/en/curl.examples-basic.php
//do a return like so if $url is you url
$defaults = array(
CURLOPT_URL => $url,
your_other_params => go_here,
CURLOPT_RETURNTRANSFER => 1
);
$ch = curl_init();
curl_setopt_array($ch, $defaults);
$result= curl_exec($ch);
if( ! $result = curl_exec($ch))
{
trigger_error(curl_error($ch));
}
curl_close($ch);
echo json_encode($result);
?>
你的调用js看起来像
$.post( "ajax_curl.php", { passed_data: "pass_whatever_you_need" }, function( data ) {
console.log( data );
}, "json");
'data'现在包含一个json,其中包含您curl响应的响应
创建一个PHP文件,此处文件名为chat.php
<?php
if(isset($_POST['conversation'])) {
$data = array("input"=>array("text"=>$_POST["conversation"]));
$url = "https://gateway.watsonplatform.net/conversation/api/v1/workspaces/a9379972-d820-4cdf-b1cb-ad0af898a534/message?version=2016-07-11";
$ch = curl_init($url);
curl_setopt_array($ch, array(
CURLOPT_RETURNTRANSFER => true,
CURLOPT_POST => true,
CURLOPT_USERPWD => "username:password",
CURLOPT_HTTPHEADER => array("Content-Type:application/json"),
CURLOPT_POSTFIELDS => json_encode($data),
));
$response = curl_exec($ch);
curl_close($ch);
print_r(json_decode($response));
}
?>
并使用Ajax调用它
var xhr = new XMLHttpRequest();
//xhr.open('get', 'chat.php');
xhr.open("GET", "chat.php?data=" + data to be pass, false);
// Track the state changes of the request.
xhr.onreadystatechange = function () {
var DONE = 4; // readyState 4 means the request is done.
var OK = 200; // status 200 is a successful return.
if (xhr.readyState === DONE) {
if (xhr.status === OK) {
//alert(xhr.responseText);
talking = true;
botMessage=xhr.responseText;// 'This is the returned text.'
} else {
// console.log('Error: ' + xhr.status); // An error occurred during the request.
alert ('Error: ' + xhr.status);
}
}
};
// Send the request to send-ajax-data.php
xhr.send();
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