6
在我看來,在用file.save('path',filename')
寫入文件後不能訪問file.stream.read()
,反之亦然。如何重置flask/werkzeug中的file.stream?
實施例的代碼(從文件上傳圖案導出):
import os
from flask import Flask, request, redirect, url_for, send_from_directory
from werkzeug import secure_filename
UPLOAD_FOLDER = 'uploads/'
ALLOWED_EXTENSIONS = set(['txt', 'pdf', 'png', 'jpg', 'jpeg', 'gif'])
app = Flask(__name__)
app.config['UPLOAD_FOLDER'] = UPLOAD_FOLDER
def allowed_file(filename):
return '.' in filename and \
filename.rsplit('.', 1)[1] in ALLOWED_EXTENSIONS
@app.route('/', methods=['GET', 'POST'])
def upload_file():
if request.method == 'POST':
file = request.files['file']
if file and allowed_file(file.filename):
filename = secure_filename(file.filename)
print '##########################'
print os.path.join(app.config['UPLOAD_FOLDER'],filename)
file.save(os.path.join(app.config['UPLOAD_FOLDER'], filename))
print file.stream.read() # <- gives no output
print '##########################'
return redirect(url_for('uploaded_file',
filename=filename))
return '''
<!doctype html>
<title>Upload new File</title>
<h1>Upload new File</h1>
<form action="" method=post enctype=multipart/form-data>
<p><input type=file name=file>
<input type=submit value=Upload>
</form>
'''
@app.route('/uploads/<filename>')
def uploaded_file(filename):
return send_from_directory(app.config['UPLOAD_FOLDER'],
filename)
if __name__ == '__main__':
app.run(debug=True)
謝謝!但是不是爲我工作,我仍然沒有輸出在bash中。 :( – Framester
你剛剛保存了10個小時我的生活 – JiminyCricket
這是一個很好的答案。雖然人們必須知道問題的根本原因已經找到這個答案:) – marcv81