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
import time

app = Flask(__name__)
client = MongoClient("mongodb://localhost:27019/")
db = client["back"]
collection = db["users"]
# sockitIo解决跨域问题
socketMsg = SocketIO(app, cors_allowed_origins="*")
socketVedio = SocketIO(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 类用于聊天
class MyCustomNamespace(Namespace):
    name_space = "/msg"

    # 连接成功调用的方法
    def on_connect(self):
        global socket_pool
        socket_pool[request.sid] = self.name_space
        print(1, socket_pool)
        print(2, "Client connected")
        print(3, "-----------------")

    # 断开连接调用的方法
    def on_disconnect(self):
        global socket_pool
        print(4, "disconnect...")
        del socket_pool[request.sid]
        print(5, socket_pool)

    # 往 接收客户端标消息识为 'message' 的方法
    def on_message(self, data):
        print(6, 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(7, "--------------")
        print(8, request.sid)
        print(9, "--------------")
        print(10, 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(11, "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 类用于视频
class MyCustomNamespace1(Namespace):
    name_space = "/vedio"

    def on_connect(self):
        global socket_pool

        print(12, "connect..")
        print(13, request.namespace)
        socket_pool[request.sid] = self.name_space
        print(14, socket_pool)

    def on_disconnect(self):
        global socket_pool
        print(15, "disconnect...")
        del socket_pool[request.sid]
        print(16, socket_pool)

    def on_message(self, data):
        print(17, data)
        emit("response", "123")
        self.send("asd")

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


socketMsg.on_namespace(MyCustomNamespace("/msg"))
socketVedio.on_namespace(MyCustomNamespace("/vedio"))


@app.route("/sendMsg")
def sendMsg():
    for sid, namespace_value in socket_pool.items():
        print(18, sid)
        emit("response", "123456", namespace=namespace_value, to=sid)
    print(19, "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、考试链接、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、kaoshilianjie、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": "",
            "kaoshilianjie": "",
            "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():
    resData = request.data
    # 检测是否有数据
    if not resData:
        return {"code": 200, "msg": "无数据", "list": [], "hasError": True}
    # 获取到POST过来的数据，转为json形式
    userJson = json.loads(resData)
    admin = isAdmin(userJson["id"])
    if admin:
        _id = ObjectId()
        print(77337, str(_id))
        userItem = {
            "_id": _id,
            "xuexiaomingcheng": userJson["xuexiaomingcheng"],
            "xuexiaodaihao": userJson["xuexiaodaihao"],
            "zhuanyemingcheng": userJson["zhuanyemingcheng"],
            "zhuanyedaihao": userJson["zhuanyedaihao"],
            "nianji": userJson["nianji"],
            "banji": userJson["banji"],
            "xueshengxingming": userJson["xueshengxingming"],
            "xuehao": userJson["xuehao"],
            "mima": md5_encrypt(userJson["mima"]),
            "chengji": userJson["chengji"],
            "zuobiqingkuang": userJson["zuobiqingkuang"],
            "kaoshileixing": userJson["kaoshileixing"],
            "kaoshikemu": userJson["kaoshikemu"],
            "kaoshishijianduan": userJson["kaoshishijianduan"],
            "kaoshilianjie": "/student/" + str(_id),  # 需要自动生成一个链接
            "isAdmin": 0,
            "isExit": 1,
            "chuangjianshijian": time.strftime(
                "%Y-%m-%d %H:%M:%S", time.localtime(time.time())
            ),
            "gengxinshijian": time.strftime(
                "%Y-%m-%d %H:%M:%S", time.localtime(time.time())
            ),
        }
        collection.insert_one(userItem)
        return "新增成功"


# 查询用户
@app.route("/getUser", methods=["post"])
def query_data():
    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)
    admin = isAdmin(userJson["id"])
    print(777, userJson, admin)
    if admin:
        users = collection.find()
        serialized_data = []
        for item in users:
            item["_id"] = str(item["_id"])  # 将ObjectId转换为字符串
            serialized_data.append(item)
        return {
            "code": 200,
            "msg": "查询成功",
            "list": serialized_data,
            "hasError": False,
        }
    else:
        mongoId = ObjectId(userJson["id"])
        userObj = collection.find_one({"_id": mongoId, "isExit": 1})
        userObj["_id"] = str(userObj["_id"])  # 将ObjectId转换为字符串
        return {
            "code": 200,
            "msg": "查询成功",
            "list": [userObj],
            "hasError": False,
        }


# 更新用户
@app.route("/updateUser", methods=["post"])
def update_data():
    resData = request.data
    # 检测是否有数据
    if not resData:
        return {"code": 200, "msg": "无数据", "list": [], "hasError": True}
    # 获取到POST过来的数据，转为json形式
    userJson = json.loads(resData)
    admin = isAdmin(userJson["id"])
    if admin:
        userItem = {
            "xuexiaomingcheng": userJson["xuexiaomingcheng"],
            "xuexiaodaihao": userJson["xuexiaodaihao"],
            "zhuanyemingcheng": userJson["zhuanyemingcheng"],
            "zhuanyedaihao": userJson["zhuanyedaihao"],
            "nianji": userJson["nianji"],
            "banji": userJson["banji"],
            "xueshengxingming": userJson["xueshengxingming"],
            "xuehao": userJson["xuehao"],
            "chengji": userJson["chengji"],
            "zuobiqingkuang": userJson["zuobiqingkuang"],
            "kaoshileixing": userJson["kaoshileixing"],
            "kaoshikemu": userJson["kaoshikemu"],
            "kaoshishijianduan": userJson["kaoshishijianduan"],
            "gengxinshijian": time.strftime(
                "%Y-%m-%d %H:%M:%S", time.localtime(time.time())
            ),
        }
        collection.update_one(
            {"_id": ObjectId(userJson["userid"])},
            {"$set": userItem},
        )
        return "修改成功"


# 删除用户
@app.route("/delUser", methods=["post"])
def delete_data():
    resData = request.data
    # 检测是否有数据
    if not resData:
        return {"code": 200, "msg": "无数据", "list": [], "hasError": True}
    # 获取到POST过来的数据，转为json形式
    userJson = json.loads(resData)
    admin = isAdmin(userJson["id"])
    if admin:
        serialized_data = []
        for item in userJson["ids"]:
            serialized_data.append(ObjectId(item))  # 将ObjectId转换为字符串
        collection.delete_many({"_id": {"$in": serialized_data}})
        return "删除成功"


# 修改密码
@app.route("/updatePassword", methods=["post"])
def updatePassword():
    resData = request.data
    # 检测是否有数据
    if not resData:
        return {"code": 200, "msg": "无数据", "list": [], "hasError": True}
    # 获取到POST过来的数据，转为json形式
    userJson = json.loads(resData)
    admin = isAdmin(userJson["id"])
    print(777, userJson, admin)
    if admin:
        collection.update_one(
            {"_id": ObjectId(userJson["userid"])},
            {
                "$set": {"mima": md5_encrypt(userJson["mima"])},
            },
        )
    return {"code": 200, "msg": "修改成功", "list": [], "hasError": False}


if __name__ == "__main__":
    initData()
    # app.run(debug=True)
    socketMsg.run(app, debug=True)
    # socketVedio.run(app, debug=True)