python的flask写后台API

@app.route("/",methods=["GET"])
def index():
    return "index page"

@app.route("/hello")
def hello():
    return "hello"

@app.route("/hey/<username>/")
def hey_yingong(username):
    return "hey %s" % (username + username)

@app.route("/my/<float:number>")
def my_number(number):
    return "my %s" % (number + number)

@app.route("/baidu")
def baidu():
    return redirect("https://www.baidu.com")

@app.route("/test/my/first",methods=["POST","GET"])
def first_post():
    try:
        my_json = request.get_json()
        print(my_json)
        get_name=my_json.get("name")
        get_age=my_json.get("age")
        if not all([get_name, get_age]):
            return jsonify(msg="缺参数")
        print(get_name)
        get_age+=10
        return jsonify(name=get_name, age=get_age)
    except Exception as e:
        print(e)
        return jsonify(msg="出错了啊")

#登录
@app.route("/try/login", methods=["POST"])
def login():
    get_data = request.get_json()
    username = get_data.get("username")
    password = get_data.get("password")
    if not all([username, password]):
        return jsonify(msg="参数不完整")
    if username == "admin" and password == "admin":
        session["username"]=username
        return jsonify(msg="登陆成功")
    else:
        return jsonify(msg="账号或密码错误")
#检查
@app.route("/session",methods=["GET"])
def check_session():
    username = session.get("username")
    if username is not None:
        return jsonify(username=username)
    else:
        return jsonify(msg="出错了,没登陆")
#登出
@app.route("/try/logout",methods=["GET"])
def logout():
    session.clear()
    return jsonify(msg="成功登出")