zuobijiance/api/main.py

from flask import Flask, request, jsonify
from pymongo import MongoClient
from bson import ObjectId
import hashlib
import json
from flask import Flask, render_template, request
from flask_socketio import SocketIO, Namespace, emit

app = Flask(__name__)
client = MongoClient("mongodb://localhost:27019/")
db = client["back"]
collection = db["users"]
# sockitIo
socketio = SocketIO()
# 解决跨域问题
socketio.init_app(app, cors_allowed_origins="*")
# 用来存放客户端的 sid，即 session id
# 可以不单独定义字典存放 sid与namespace，flask-socketio 默认将 sid 存放在 room 中
socket_pool = {}


# Websocket 通过namespace 和 sid 标识具体客户端
# 第一个 Websocket 类
class MyCustomNamespace(Namespace):
    name_space = "/msg"

    # 连接成功调用的方法
    def on_connect(self):
        global socket_pool

        print("connect..")
        print("-----------------")
        print(self.server.manager)
        print(self.socketio)
        print("-----------------")
        print(request.namespace)
        socket_pool[request.sid] = self.name_space
        print(socket_pool)

    # 断开连接调用的方法
    def on_disconnect(self):
        global socket_pool
        print("disconnect...")
        del socket_pool[request.sid]
        print(socket_pool)

    # 往 接收客户端标消息识为 'message' 的方法
    def on_message(self, data):
        print(data)
        # 把消息发送到客户端的 'response' 标识的方法中， 一般是 on_response()
        emit("response", "123", to=request.sid)
        print("--------------")
        print(request.sid)
        print("--------------")
        print(socketio.server.manager.rooms)

    # 往 接收客户端标消息识为 'hello' 的方法
    def on_hello(self, data):
        print("hello world")

    # 发送消息
    def send(self, data):
        # 向 namespace中的所有 Websocket 连接广播消息， namespace参数不能少， to缺省是广播模式
        emit("response", data, namespace=self.name_space)
        # 向 sid 所标识的客户端 单播
        emit("response", data, namespace=self.name_space, to=request.sid)


# 为了详细展示不同类，这里就不做继承
# 第二个 Websocket 类
class MyCustomNamespace1(Namespace):
    name_space = "/vedio"

    def on_connect(self):
        global socket_pool

        print("connect..")
        print(request.namespace)
        socket_pool[request.sid] = self.name_space
        print(socket_pool)

    def on_disconnect(self):
        global socket_pool
        print("disconnect...")
        del socket_pool[request.sid]
        print(socket_pool)

    def on_message(self, data):
        print(data)
        emit("response", "123")
        self.send("asd")

    # 发送消息
    def send(self, data):
        emit("response", data, namespace=self.name_space)


@app.route("/sendMsg")
def sendMsg():
    for sid, namespace_value in socket_pool.items():
        print(sid)
        emit("response", "123456", namespace=namespace_value, to=sid)
    print("ok")
    return "ok"


# md5加密
def md5_encrypt(data):
    md5 = hashlib.md5()
    md5.update(data.encode("utf-8"))
    return md5.hexdigest()


# 初始化数据
def initData():
    admin = collection.find_one({"isAdmin": 1, "isExit": 1})
    if admin is None:
        # 学校名称、学校代号、专业名称、专业代号、年级、班级、学生姓名、学号、密码、成绩、作弊情况（作弊类型、作弊时间、作弊图片）、考试类型、考试科目、考试时间段、是否是管理员、是否删除、创建时间、更新时间
        # xuexiaomingcheng、xuexiaodaihao、zhuanyemingcheng、zhuanyedaihao、nianji、banji、xueshengxingming、xuehao、mima、chengji、zuobiqingkuang（zuobileixing、zuobishijian、zuobitupian）、kaoshileixing、kaoshikemu、kaoshishijianduan、isAdmin、isExit、chuangjianshijian、gengxinshijian
        user = {
            "xuexiaomingcheng": "",
            "xuexiaodaihao": "",
            "zhuanyemingcheng": "",
            "zhuanyedaihao": "",
            "nianji": "",
            "banji": "",
            "xueshengxingming": "老师",
            "xuehao": "0000",
            "mima": md5_encrypt("0000"),
            "chengji": "",
            "zuobiqingkuang": [],
            "kaoshileixing": "",
            "kaoshikemu": "",
            "kaoshishijianduan": "",
            "isAdmin": 1,
            "isExit": 1,
            "chuangjianshijian": "",
            "gengxinshijian": "",
        }
        collection.insert_one(user)
        print("管理账号'老师'已被初始化新建")
    else:
        print(f"管理账号'{admin['xueshengxingming']}'已存在")


# 判断是否是管理员
def isAdmin(id):
    mongoId = ObjectId(id)
    userObj = collection.find_one({"_id": mongoId, "isExit": 1})
    # 检查 userObj 是否为 None
    if userObj is None:
        return False
    # 默认返回 False 如果 isAdmin 字段不存在
    adminBool = userObj.get("isAdmin", False)
    return bool(adminBool)


# 用户登录
@app.route("/userLogin", methods=["post"])
def login():
    resData = request.data
    # 检测是否有数据
    if not resData:
        return {"code": 200, "msg": "请填写信息后登录", "list": [], "hasError": True}
    # 获取到POST过来的数据，转为json形式
    userJson = json.loads(resData)
    res = collection.find_one({"xuehao": userJson["xuehao"], "mima": userJson["mima"]})
    if res is None:
        return {"code": 200, "msg": "暂无此用户", "list": [], "hasError": True}
    # serialized_data = []
    # for item in data:
    #     item["_id"] = str(item["_id"])  # 将ObjectId转换为字符串
    #     serialized_data.append(item)
    # 将ObjectId转换为字符串
    res["_id"] = str(res["_id"])
    return {"code": 200, "msg": "登陆成功", "list": [res], "hasError": False}


# 新增用户
@app.route("/addUser", methods=["post"])
def insert_data():
    user = {"name": "John Doe", "age": 25, "city": "New York"}
    collection.insert_one(user)
    return "Data inserted successfully!"


# 查询用户
@app.route("/getUser", methods=["post"])
def query_data():
    users = collection.find()
    result = ""
    for user in users:
        result += f"Name: {user['name']}, Age: {user['age']}, City: {user['city']}<br>"
    return result


# 更新用户
@app.route("/updateUser", methods=["post"])
def update_data():
    query = {"name": "John Doe"}
    new_data = {"$set": {"age": 30, "city": "San Francisco"}}
    collection.update_one(query, new_data)
    return "Data updated successfully!"


# 删除用户
@app.route("/delUser", methods=["post"])
def delete_data():
    query = {"name": "John Doe"}
    collection.delete_one(query)
    return "Data deleted successfully!"


if __name__ == "__main__":
    initData()
    app.run(debug=True)