from flask.globals import app_ctx
时间: 2023-11-22 07:04:32 浏览: 43
As an AI language model, I don't have access to the specific Flask application that you're working on. However, I can explain what the `app_ctx` object is in Flask.
The `app_ctx` object is a context object that is used to store application-level information in Flask. It is a global object that is created when the Flask application is initialized and it is destroyed when the application is shut down. The `app_ctx` object is used to store information that is shared across multiple requests, such as database connections, configuration settings, and other resources that are needed by the application.
To access the `app_ctx` object in Flask, you can use the `current_app.app_context()` method. This method returns a context object that provides access to the `app_ctx` object. Once you have the `app_ctx` object, you can access any application-level information that has been stored in it.
For example, to access a database connection that has been stored in the `app_ctx` object, you could use code like this:
```
from flask import current_app
with current_app.app_context():
db_conn = current_app.config['DB_CONN']
# Use the database connection here
```
In this code, the `current_app.config['DB_CONN']` line retrieves the database connection from the `app_ctx` object, which has been stored there as part of the application's configuration settings. The `with current_app.app_context():` line ensures that the `app_ctx` object is available for use within the code block.