PHP CURL 模拟POST请求 提交数据或上传文件

1.http://www.a.com/a.php

发送POST请求

function execUpload(){

$file = "/doucment/Readme.txt";
$ch = curl_init();
$post_data = array(
    "loginfield" => "username",
    "username" => "ybb",
    "password" => "123456",
"file" => "@d:usrwww ranslatedocumentReadme.txt"
);
curl_setopt($ch, CURLOPT_HEADER, false);
//启用时会发送一个常规的POST请求，类型为：application/x-www-form-urlencoded，就像表单提交的一样。
curl_setopt($ch, CURLOPT_POST, true);  
curl_setopt($ch,CURLOPT_BINARYTRANSFER,true);
curl_setopt($ch, CURLOPT_POSTFIELDS,$post_data);
curl_setopt($ch, CURLOPT_URL, "http://www.b.com/handleUpload.php");
$info= curl_exec($ch);
curl_close($ch);
   
print_r($info);

}

2.http://www.b.com/handleUpload.php

function handleUpload(){
print_r($_POST);
echo "===file upload info:";
print_r($_FILES);
}