问无法将文本文件卷曲到本地主机上的python flask服务器

EN

<?  
    /*testscript.php*/  

    $url='http://localhost/transaction'
    $ch = curl_init($url);
    $cfile = new CURLFile('sampledata.txt','text/plain','data_file');
    $data = array('test_file' => $cfile);
    curl_setopt($ch, CURLOPT_POST,1);
    curl_setopt($ch, CURLOPT_POSTFIELDS, $data);   
    curl_exec($ch);

?>

@app.route('/transaction', methods=['POST'])
def read_file():
    if request.headers['Content-Type'] == 'text/plain':
        return "Text Message: " + request.data

* Serving Flask app "run"
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