from http.client import SWITCHING_PROTOCOLS
from flask import Flask, request, redirect, url_for, render_template


class switch_case(object):
    def case_to_function(self, case):
        fun_name = "case_fun_" + str(case)
        method = getattr(self, fun_name, self.case_fun_other)
        return method
    def case_fun_start(self, msg):
        print(msg)
    def case_fun_stop(self, msg):
        print(msg)
    def case_fun_other(self, msg):
        print(msg)

# 创建Flask服务
app = Flask(__name__)

# 访问URL：http://127.0.0.1:8080/home/hello
# 返回结果：{"data":"welcome to use flask.","msg":"hello"}
@app.route('/home/<name>')
def home(name):
    cls.case_to_function(name)("case_fun_"+name+" is called")
    return {
        "msg": name,
        "data": "welcome to use flask."
    }

if __name__ == "__main__":
    cls = switch_case()
    # 启动Flask服务，指定主机IP和端口
    app.run(host='127.0.0.1', port=8080)