Flask-上传插件提供了一个配置选项来定义允许上传的文件类型。这个配置选项是ALLOWED_EXTENSIONS,开发者可以将其设置为一个包含允许上传文件类型的列表。例如,如果我们只允许上传图片文件和文档文件,可以将ALLOWED_EXTENSIONS设置为['jpg', 'jpeg', 'png', 'gif', 'doc', 'docx', 'pdf']。 在使用Flask-上传插件...
app= Flask(__name__)#设置上传文件的保存路径app.config['UPLOAD_FOLDER'] ='./upload'#允许上传的文件类型ALLOWED_EXTENSIONS = {'txt','pdf','png','jpg','jpeg','gif'}#检查文件类型是否允许上传defallowed_file(filename):return'.'infilenameand\ filename.rsplit('.', 1)[1].lower()inALLOW...
def allowed_file(filename): return '.' in filename and filename.rsplit('.', 1)[1] in ALLOWED_EXTENSIONS app = Flask(__name__) # 设置静态文件缓存过期时间 app.send_file_max_age_default = timedelta(seconds=1) # @app.route('/upload', methods=['POST', 'GET']) @app.route('/upi...
判断是否是允许的文件后缀 def allowed_file(filename): return '.' in filename and filename.rsplit('.', 1)[1] in ALLOWED_EXTENSIONS 1. 2. 生成随机的字符串 def random_string(length=32): import random base_str = 'abcdefghijklmnopqrstuvwxyz1234567890' return ''.join(random.choice(base_str...
ALLOWED_EXTENSIONS: 定义允许上传的文件扩展名。 allowed_file: 函数用于判断文件名中是否含有合法扩展名。 upload_form: 处理 GET 请求,返回上传表单。 upload_file: 处理 POST 请求,执行文件上传的逻辑。 app.run(debug=True): 启动 Flask 应用程序,并启用调试模式。
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': # check if the post request has the file part ...
['UPLOAD_FOLDER']=UPLOAD_FOLDER# 检查文件扩展名是否合法defallowed_file(filename):return'.'infilenameand\filename.rsplit('.',1)[1].lower()inALLOWED_EXTENSIONS# 上传文件并重定向用户到上传后的文件URL@app.route('/',methods=['GET','POST'])defupload_file():ifrequest.method=='POST':# ...
defallowed_file(filename):return'.'infilename and \ filename.rsplit('.',1)[1].lower()inALLOWED_EXTENSIONS@app.route('/',methods=['GET','POST'])defupload_file():ifrequest.method=='POST':# checkifthe post request has the file partif'file'notinrequest.files:flash('No file part')...
['UPLOAD_FOLDER']=UPLOAD_FOLDER# 检查文件扩展名是否合法defallowed_file(filename):return'.'infilenameand\filename.rsplit('.',1)[1].lower()inALLOWED_EXTENSIONS# 上传文件并重定向用户到上传后的文件URL@app.route('/',methods=['GET','POST'])defupload_file():ifrequest.method=='POST':# ...
requestfromflask_loginimportlogin_required,current_userfromwerkzeug.utilsimportsecure_filenamefromappimportapp,dbfromapp.modelsimportSongALLOWED_EXTENSIONS={'mp3'}defallowed_file(filename):return'.'infilename and filename.rsplit('.',1)[1].lower()inALLOWED_EXTENSIONS@app.route('/upload',methods=['...