如何在Flask中将数据写入文本文件? [英] How to write data to a text file in Flask?

问题描述

我们的目标是将一个名为"inputed_email"的变量写入一个名为"test3.txt"的文本文件中.因为这是在服务器上发生的，所以我们需要确保此Python脚本可以访问目录和文本文件.

Our goal is to write a variable called "inputed_email" into a text file named "test3.txt". Because this takes place on the server, we need to make sure that this Python script can access the directory and text file.

@app.route('/', methods=['GET', 'POST'])
def my_form():
    inputed_email = request.form.get("email")
    if request.method == 'POST' and inputed_email:

        # write to file
        with open('/var/www/FlaskApp/FlaskApp/test3.txt', 'w') as f:
            f.write(str(inputed_email))

        return render_template('my-form.html', email=inputed_email)
    return render_template('my-form.html')

但是，写入"test3.txt"的代码不起作用.运行时返回错误500(内部服务器错误).感谢您的帮助！

However, the code that writes to the "test3.txt" does not work. It returns error 500 (internal server error) when ran. Any help is appreciated!

推荐答案

尝试运行此

$ export FLASK_ENV=development
$ export FLASK_DEBUG=True
$ export FLASK_APP=<your .py file>
$ flask run

现在，服务器将响应回溯，而不仅仅是Internal Server Error.但是不要在生产中使用FLASK_DEBUG选项.

Now the server will respond with a traceback, not just Internal Server Error. But don't use FLASK_DEBUG option in production.

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