[英]Error while uploading image file using Flask
將文件上傳到我選擇的文件夾時出錯,它會引發以下錯誤。
由於我是 flask 的新手,因此我無法發現錯誤。
未找到
在服務器上找不到請求的 URL。 如果您手動輸入了 URL,請檢查您的拼寫並重試。
應用程序.py
import os
#import magic
import urllib.request
#from app import app
from flask import Flask, flash, request, redirect, render_template
from werkzeug.utils import secure_filename
app = Flask(__name__)
#app.config['UPLOAD_FOLDER'] = UPLOAD_FOLDER
UPLOAD_FOLDER = '/static'
ALLOWED_EXTENSIONS = set(['txt', 'pdf', 'png', 'jpg', 'jpeg', 'gif'])
def allowed_file(filename):
return '.' in filename and filename.rsplit('.', 1)[1].lower() in ALLOWED_EXTENSIONS
@app.route('/')
def upload_form():
return render_template('upload.html')
@app.route('/', methods=['POST'])
def upload_file():
if request.method == 'POST':
# check if the post request has the files part
if 'files[]' not in request.files:
flash('No file part')
return redirect(request.url)
files = request.files.getlist('files[]')
for file in files:
if file and allowed_file(file.filename):
filename = secure_filename(file.filename)
file.save(os.path.join(app.config['UPLOAD_FOLDER'], filename))
flash('File(s) successfully uploaded')
return redirect('/')
if __name__ == "__main__":
app.run(debug = True)
上傳.html
<!doctype html>
<title>Python Flask Multiple Files Upload Example</title>
<h2>Select file(s) to upload</h2>
<p>
{% with messages = get_flashed_messages() %}
{% if messages %}
<ul class=flashes>
{% for message in messages %}
<li>{{ message }}</li>
{% endfor %}
</ul>
{% endif %}
{% endwith %}
</p>
<form method="post" action="/" enctype="multipart/form-data">
<dl>
<p>
<input type="file" name="files[]" multiple="true" autocomplete="off" required>
</p>
</dl>
<p>
<input type="submit" value="Submit">
</p>
</form>
你應該改變你的代碼
@app.route('/', methods=['POST', 'GET'])
def upload_file():
if request.method == 'POST':
# check if the post request has the files part
if 'files[]' not in request.files:
flash('No file part')
return redirect(request.url)
files = request.files.getlist('files[]')
for file in files:
if file and allowed_file(file.filename):
filename = secure_filename(file.filename)
file.save(os.path.join(app.config['UPLOAD_FOLDER'], filename))
flash('File(s) successfully uploaded')
return redirect('/')
elif request.method == 'GET':
return render_template('upload.html')
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