💻 源码
from flask import Flask

# 创建Flask的对象
app = Flask(__name__)

# route:路由。
@app.route("/", methods=['GET'])
def hello_world():
    return "<h1>Hello, World!</h1>"


@app.route("/a1", methods=['POST'])
def hello_world1():
    return "<h1>Hello1</h1>"


@app.route("/a2")
def hello_world2():
    return "<h1>Hello2</h1>"


if __name__ == '__main__':
    app.run(host='127.0.0.1', port=10086)