flask文件上傳及訪問顯示的實現

時間 2019-11-20

標籤 flask 文件上傳訪問顯示實現欄目 Python 简体版

原文原文鏈接

import sys
reload(sys)
sys.setdefaultencoding("utf-8")
import os
from flask import Flask,url_for,render_template,request,url_for,redirect,send_from_directory
from werkzeug import secure_filename

UPLOAD_FOLDER='/home/alvy/'
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)
            file.save(os.path.join(app.config['UPLOAD_FOLDER'],filename))
            return redirect(url_for('upload_file'))
    return '''
    <!DOCTYPE html>
    <title>upload new file</title>
    <h1>upload file</h1>
    <form action="/" method="POST" enctype="multipart/form-data">
    <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)

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