錯誤傳遞變量 python web 應用程序與 flask

Question

我是編程新手，我知道那里有很多有用的東西，比如 wtforms，但我想在深入研究之前先練習一下。

這個想法是創建一個注冊用戶的 web 應用程序，我認為最好將此邏輯與應用程序代碼分開。

問題是我有這個錯誤信息： TypeError: register() takes 0 positional arguments but 3 were given我很困惑，因為 function 聲明有位置 arguments，我寫的代碼是：

應用程序代碼：

@app.route("/register", methods=["POST", "GET"])
def register():
    if request.method =="POST":
        if not user_name or not password or not pass_confirm:
            return ("all fields are mandatory, also consider to active javaScript for a better expirience",404)
    user_name = request.form.get("user_name")
    password = request.form.get("password")
    pass_confirm = request.form.get("user_name")
    register(user_name, password, pass_confirm)
    return render_template("/register.html")```

在另一個文件中：

def register(user_name, password, pass_confirm):
    if password != pass_confirm:
        return("Password and password confirmation must match")

Answer 1

你用的是function寄存器，沒有arguments，所以試試重命名。

代碼將是

@app.route("/register", methods=["POST", "GET"])

定義 reg():

if request.method =="POST":

    if not user_name or not password or not pass_confirm:

return ("all fields are mandatory, also consider to active javaScript for a better expirience",404)

user_name = request.form.get("user_name")

password = request.form.get("password")

pass_confirm = request.form.get("user_name")

register(user_name, password, pass_confirm)

return render_template("/register.html")```

在另一個文件中：

    if password != pass_confirm:

        return("Password and password confirmation must match")```