使用Flask获取表单数据 [英] Getting Form data with Flask

问题描述

从Flask中的数据获取数据时，我可以以某种方式将html元素及其值绑定到对象，而无需使用Jinja模板.

When getting from data in Flask, can I somehow bind html elements and their values to an object without using Jinja templating.

还是我必须通过手动HTTP Post发送数据?

Or do I have to send the data via a manual HTTP Post?

推荐答案

我认为您真正要问的是给定客户端JavaScript对象，如何对其进行序列化，以便可以轻松访问数据服务器端".如果这是您的问题，有两种方法可以解决:

I think what you are really asking is "given a client-side JavaScript object, how can I serialize it so that I can easily access the data server-side". If that is your question, there are two ways to do so:

1. 您在答案中提供的方式，将对象序列化为JSON并将其作为POST请求的正文提交:

1. The way you provided in your answer, serializing your object as JSON and submitting it as the body of your POST request:

@app.route("/user", methods=("POST",))
def save_user():
    data = request.get_json()
    # ... etc. ...

使用 FormData 在客户端:

Using FormData on the client side:

var yourUser = {
    firstname: "Joe",
    lastname: "Smith",
    email: "[e-mail]",
    password: "12345"
};

var formData = new FormData();
Object.keys(yourUser).forEach(function(key) {
    formData.append(key, yourUser[key]);
});
// Post formData back to your controller using XHR

与服务器端正常的 request.form 访问结合:

combined with the normal request.form access on the server side:

@app.route("/user", methods=("POST",))
def save_user():
    data = request.form
    # ... etc. ...

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