php - 使用 CURL 和 PHP 的 POST 请求无法正常工作

Question

我正在尝试使用http://nlp.stanford.edu:8080/corenlp/process上的表格以编程方式处理我的陈述。我在 PHP/CURL 中有以下代码片段。但是，它不是处理语句，而是返回表单的 HTML - 就好像没有发送 post 参数一样。我检查了我是否发送了所需的参数。有人可以指导我做错什么吗？

$ch = curl_init();

curl_setopt($ch, CURLOPT_URL, "http://nlp.stanford.edu:8080/corenlp/process");
curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 30);
curl_setopt($ch, CURLOPT_USERAGENT,"Mozilla/14.0 (compatible; MSIE 6.0; Windows NT 5.1)");
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
curl_setopt($ch, CURLOPT_FOLLOWLOCATION, 1);
curl_setopt($ch, CURLOPT_POST, true);

$data  = array(
    'outputFormat' => 'xml',
    'input' => 'Here is a statement to process',
    'Process' => 'Submit Query'
     );

curl_setopt($ch, CURLOPT_POSTFIELDS, $data);

$result = curl_exec($ch);
echo $result;

Answer 1

您必须将$data数组转换为字符串...此外，请务必urlencode()使用各个值。

$ch = curl_init();

curl_setopt($ch, CURLOPT_URL, "http://nlp.stanford.edu:8080/corenlp/process");
curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 30);
curl_setopt($ch, CURLOPT_USERAGENT,"Mozilla/14.0 (compatible; MSIE 6.0; Windows NT 5.1)");
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
curl_setopt($ch, CURLOPT_FOLLOWLOCATION, 1);
curl_setopt($ch, CURLOPT_POST, true);

$data  = array(
"outputFormat" => "xml",
"input" => "Here is a statement to process",
"Process" => "Submit Query"
 );

$data_string = "";

foreach($data as $key=>$value){ /// YOU HAVE TO DO THIS
$data_string .= $key.'='.urlencode($value).'&';  /// AND THIS
}

curl_setopt($ch, CURLOPT_CUSTOMREQUEST, "POST");
curl_setopt($ch, CURLOPT_POSTFIELDS, $data_string);
$result = curl_exec($ch);
echo $result;