No module named 'flask_mongoengine'

It seems that you're encountering an error related to the 'flask_mongoengine' module. This error typically occurs when the module is not installed or not found in your Python environment.

To resolve this issue, you can try installing the 'flask_mongoengine' module using pip, which is the Python package installer. Open your command prompt or terminal and run the following command:

pip install flask_mongoengine

Make sure you have a stable internet connection so that pip can download and install the module successfully. Once the installation is complete, you should be able to import and use the 'flask_mongoengine' module in your Flask application without any issues.

相关问题

no module named flask_cors

这个问题可能是由于缺少flask_cors模块导致的。您需要安装这个模块，可以通过在命令行中运行“pip install flask_cors”来安装它。如果您已经安装了该模块，但仍然遇到问题，可能需要检查您的环境变量或重新配置您的Python环境。

flask_mongoengine 安装

您可以按照以下步骤安装flask-mongoengine：

1. 打开命令行窗口并输入以下命令来安装flask-mongoengine：

   pip install flask-mongoengine

2. 如果您使用的是Python 3.4或更早版本，请使用以下命令：

   pip3 install flask-mongoengine

3. 确认您已经安装了MongoDB，并且MongoDB正在运行。

4. 在您的Python代码中导入flask_mongoengine：

   from flask_mongoengine import MongoEngine

5. 在您的Flask应用程序中初始化MongoEngine：

   app = Flask(__name__)
   app.config['MONGODB_SETTINGS'] = {
       'db': 'your-db-name',
       'host': 'your-hostname',
       'port': 'your-port-number'
   }
   db = MongoEngine(app)

其中，'your-db-name'是您的MongoDB数据库的名称，'your-hostname'是MongoDB服务器的主机名或IP地址，'your-port-number'是MongoDB服务器的端口号。

6. 现在，您可以在您的Python代码中使用MongoEngine来连接和操作MongoDB数据库了。