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from flask import Flask |
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from flask import Flask, request, jsonify |
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from pymongo import MongoClient |
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from pymongo import MongoClient |
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from bson import ObjectId |
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import hashlib |
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import json |
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from flask import Flask, render_template, request |
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from flask_socketio import SocketIO, Namespace, emit |
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app = Flask(__name__) |
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app = Flask(__name__) |
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client = MongoClient("mongodb://localhost:27019/") |
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client = MongoClient("mongodb://localhost:27019/") |
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db = client["back"] |
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db = client["back"] |
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collection = db["users"] |
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collection = db["users"] |
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# sockitIo |
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socketio = SocketIO() |
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# 解决跨域问题 |
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socketio.init_app(app, cors_allowed_origins="*") |
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# 用来存放客户端的 sid，即 session id |
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# 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 |
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socket_pool = {} |
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# Websocket 通过namespace 和 sid 标识具体客户端 |
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# 第一个 Websocket 类 |
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class MyCustomNamespace(Namespace): |
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name_space = "/msg" |
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# 连接成功调用的方法 |
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def on_connect(self): |
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global socket_pool |
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print("connect..") |
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print("-----------------") |
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print(self.server.manager) |
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print(self.socketio) |
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print("-----------------") |
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print(request.namespace) |
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socket_pool[request.sid] = self.name_space |
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print(socket_pool) |
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# 断开连接调用的方法 |
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def on_disconnect(self): |
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global socket_pool |
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print("disconnect...") |
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del socket_pool[request.sid] |
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print(socket_pool) |
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# 往 接收客户端标消息识为 'message' 的方法 |
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def on_message(self, data): |
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print(data) |
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# 把消息发送到客户端的 'response' 标识的方法中， 一般是 on_response() |
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emit("response", "123", to=request.sid) |
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print("--------------") |
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print(request.sid) |
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print("--------------") |
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print(socketio.server.manager.rooms) |
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# 往 接收客户端标消息识为 'hello' 的方法 |
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def on_hello(self, data): |
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print("hello world") |
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# 发送消息 |
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def send(self, data): |
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# 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 |
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emit("response", data, namespace=self.name_space) |
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# 向 sid 所标识的客户端 单播 |
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emit("response", data, namespace=self.name_space, to=request.sid) |
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# 为了详细展示不同类，这里就不做继承 |
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# 第二个 Websocket 类 |
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class MyCustomNamespace1(Namespace): |
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name_space = "/vedio" |
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def on_connect(self): |
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global socket_pool |
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print("connect..") |
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print(request.namespace) |
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socket_pool[request.sid] = self.name_space |
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print(socket_pool) |
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def on_disconnect(self): |
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global socket_pool |
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print("disconnect...") |
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del socket_pool[request.sid] |
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print(socket_pool) |
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def on_message(self, data): |
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print(data) |
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emit("response", "123") |
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self.send("asd") |
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# 发送消息 |
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def send(self, data): |
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emit("response", data, namespace=self.name_space) |
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@app.route("/sendMsg") |
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def sendMsg(): |
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for sid, namespace_value in socket_pool.items(): |
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print(sid) |
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emit("response", "123456", namespace=namespace_value, to=sid) |
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print("ok") |
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return "ok" |
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# md5加密 |
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def md5_encrypt(data): |
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md5 = hashlib.md5() |
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md5.update(data.encode("utf-8")) |
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return md5.hexdigest() |
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# 初始化数据 |
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# 初始化数据 |
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def initData(): |
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def initData(): |
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isAdmin = collection.find_one({"isAdmin": 1, "isExit": 1}) |
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admin = collection.find_one({"isAdmin": 1, "isExit": 1}) |
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if isAdmin is None: |
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if admin is None: |
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# 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、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 |
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# 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 |
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# xuexiaomingcheng、xuexiaodaihao、zhuanyemingcheng、zhuanyedaihao、nianji、banji、xueshengxingming、xuehao、chengji、zuobiqingkuang（zuobileixing、zuobishijian、zuobitupian）、kaoshileixing、kaoshikemu、kaoshishijianduan、isAdmin、isExit、chuangjianshijian、gengxinshijian |
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# xuexiaomingcheng、xuexiaodaihao、zhuanyemingcheng、zhuanyedaihao、nianji、banji、xueshengxingming、xuehao、mima、chengji、zuobiqingkuang（zuobileixing、zuobishijian、zuobitupian）、kaoshileixing、kaoshikemu、kaoshishijianduan、isAdmin、isExit、chuangjianshijian、gengxinshijian |
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user = { |
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user = { |
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"xuexiaomingcheng": "", |
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"xuexiaomingcheng": "", |
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"xuexiaodaihao": "", |
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"xuexiaodaihao": "", |
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@ -22,6 +126,7 @@ def initData(): |
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"banji": "", |
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"banji": "", |
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"xueshengxingming": "老师", |
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"xueshengxingming": "老师", |
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"xuehao": "0000", |
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"xuehao": "0000", |
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"mima": md5_encrypt("0000"), |
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"chengji": "", |
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"chengji": "", |
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"zuobiqingkuang": [], |
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"zuobiqingkuang": [], |
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"kaoshileixing": "", |
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"kaoshileixing": "", |
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@ -33,18 +138,46 @@ def initData(): |
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"gengxinshijian": "", |
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"gengxinshijian": "", |
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} |
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} |
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collection.insert_one(user) |
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collection.insert_one(user) |
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print("管理账号'老师'已被初始化新建") |
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else: |
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else: |
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print(888, isAdmin) |
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print(f"管理账号'{admin['xueshengxingming']}'已存在") |
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# 判断是否是管理员 |
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def isAdmin(id): |
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mongoId = ObjectId(id) |
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userObj = collection.find_one({"_id": mongoId, "isExit": 1}) |
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# 检查 userObj 是否为 None |
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if userObj is None: |
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return False |
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# 默认返回 False 如果 isAdmin 字段不存在 |
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adminBool = userObj.get("isAdmin", False) |
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return bool(adminBool) |
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# 测试 |
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# 用户登录 |
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@app.route("/") |
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@app.route("/userLogin", methods=["post"]) |
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def hello(): |
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def login(): |
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return "Hello World!" |
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resData = request.data |
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# 检测是否有数据 |
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if not resData: |
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return {"code": 200, "msg": "请填写信息后登录", "list": [], "hasError": True} |
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# 获取到POST过来的数据，转为json形式 |
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userJson = json.loads(resData) |
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res = collection.find_one({"xuehao": userJson["xuehao"], "mima": userJson["mima"]}) |
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if res is None: |
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return {"code": 200, "msg": "暂无此用户", "list": [], "hasError": True} |
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# serialized_data = [] |
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# for item in data: |
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# item["_id"] = str(item["_id"]) # 将ObjectId转换为字符串 |
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# serialized_data.append(item) |
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# 将ObjectId转换为字符串 |
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res["_id"] = str(res["_id"]) |
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return {"code": 200, "msg": "登陆成功", "list": [res], "hasError": False} |
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# 新增用户 |
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# 新增用户 |
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@app.route("/insert") |
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@app.route("/addUser", methods=["post"]) |
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def insert_data(): |
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def insert_data(): |
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user = {"name": "John Doe", "age": 25, "city": "New York"} |
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user = {"name": "John Doe", "age": 25, "city": "New York"} |
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collection.insert_one(user) |
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collection.insert_one(user) |
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@ -52,7 +185,7 @@ def insert_data(): |
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# 查询用户 |
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# 查询用户 |
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@app.route("/query") |
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@app.route("/getUser", methods=["post"]) |
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def query_data(): |
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def query_data(): |
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users = collection.find() |
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users = collection.find() |
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result = "" |
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result = "" |
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@ -62,7 +195,7 @@ def query_data(): |
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# 更新用户 |
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# 更新用户 |
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@app.route("/update") |
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@app.route("/updateUser", methods=["post"]) |
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def update_data(): |
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def update_data(): |
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query = {"name": "John Doe"} |
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query = {"name": "John Doe"} |
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new_data = {"$set": {"age": 30, "city": "San Francisco"}} |
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new_data = {"$set": {"age": 30, "city": "San Francisco"}} |
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@ -71,7 +204,7 @@ def update_data(): |
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# 删除用户 |
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# 删除用户 |
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@app.route("/delete") |
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@app.route("/delUser", methods=["post"]) |
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def delete_data(): |
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def delete_data(): |
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query = {"name": "John Doe"} |
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query = {"name": "John Doe"} |
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collection.delete_one(query) |
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collection.delete_one(query) |
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@ -80,4 +213,4 @@ def delete_data(): |
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if __name__ == "__main__": |
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if __name__ == "__main__": |
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initData() |
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initData() |
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app.run() |
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app.run(debug=True) |
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