首先在啟動Flask項目時，我們可以傳不同的參數作為運行參數。但是我們只能在入口app.run()傳參。這樣十分的不方便。Flask-Script 是一個 Flask 擴展，為 Flask 程序添加了一個命令行解析器。 Flask-Script 自帶了一組常用選項，而且還支持自定義命令。

　　自定義創建命令的方法有三種：

from flask import Flask
from flask_script import Manager
from flask_script import Command

app = Flask(__name__)

manager = Manager(app)


 
class Hello(Command):
    ‘hello world‘

    def run(self):
        print(‘hello world！‘)

#綁定到Hello函數
manager.add_command(‘hel‘, Hello())

if __name__ == ‘__main__‘:
    manager.run()

　　執行

(flask_blog) jeff@debian:~/PycharmProjects/flask_blog$ python script_test.py hel
hello world！

　　第二種方法

from flask import
 
 Flask
from flask_script import Manager
from flask_script import Command

app = Flask(__name__)

manager = Manager(app)


#綁定到Hello函數
@manager.command
def hi():
    print(‘hello world！‘)


if __name__ == ‘__main__‘:
    manager.run()

　　運行

(flask_blog) jeff@debian:~/PycharmProjects/flask_blog$ python script_test.py hi
hello world！
 

　　當參數多個時，使用第三種方式

from flask import Flask
from flask_script import Manager

app = Flask(__name__)

manager = Manager(app)


@manager.option(‘-n‘, ‘--name‘, dest=‘name‘, help=‘Your name‘, default=‘world‘)
def hi(name):
    ‘hello world or hello <setting name>‘
    print(‘hello‘, name)


if __name__ == ‘__main__‘:
    manager.run()

　　運行結果：

(flask_blog) jeff@debian:~/PycharmProjects/flask_blog$ python script_test.py hi
hello world
(flask_blog) jeff@debian:~/PycharmProjects/flask_blog$ python script_test.py hi -n jeff
hello jeff
(flask_blog) jeff@debian:~/PycharmProjects/flask_blog$ python script_test.py hi --name jeff
hello jeff
(flask_blog) jeff@debian:~/PycharmProjects/flask_blog$ python script_test.py hi --name jeff1
hello jeff1

flask-script插件