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2.1 Python简介

Python是一种高级的、解释型的编程语言，以其清晰的语法和代码可读性而闻名。它由Guido van Rossum于1989年底发明，旨在成为一种易于学习且功能强大的语言。Python支持多种编程范式，包括面向对象、命令式、函数式和过程式编程。这种语言具有丰富的标准库，能够轻松处理各种常见的编程任务，如网络编程、系统管理、数据压缩、加密等。

Python的设计理念强调了代码的可读性，使得它非常适合初学者学习编程。Python的动态类型系统和垃圾回收特性，使得开发者可以快速开发应用程序，而不必担心内存管理等底层细节。Python的跨平台特性也使其在多个操作系统上都能运行，包括Windows、macOS和Linux。Python拥有一个庞大的社区，提供了大量的第三方库和框架，如Django和Flask用于Web开发，NumPy和Pandas用于科学计算和数据分析，以及TensorFlow和PyTorch用于机器学习。这些特性使得Python成为科学计算、数据分析、人工智能、Web开发等领域的首选语言之一。

2.2 Django简介

Django是一个高级的Python Web框架，它鼓励快速开发和干净、实用的设计。自2005年首次发布以来，Django已经成为构建动态网站和应用程序的首选工具之一。它遵循"不要重复自己"（DRY）的原则，帮助开发者避免编写重复代码，从而提高开发效率。

Django的核心特性包括一个对象关系映射器（ORM），它允许开发者使用Python代码与数据库进行交互，而无需编写复杂的SQL语句。Django提供了一个强大的URL分发器、模板引擎以及表单处理系统，这些都极大地简化了Web开发过程。Django的"batteries-included"哲学意味着它包含了许多内置的应用和工具，如用户认证、内容管理、站点地图等，这些都可以即插即用。

Django REST framework是一个流行的扩展，它为Django提供了构建Web API的功能，支持RESTful架构风格。Django的可扩展性和灵活性使其适用于从小规模项目到大型企业级应用的各种场景。它的开源特性和活跃的社区支持，为开发者提供了丰富的资源和持续的更新，确保了Django的长期可用性和安全性。

2.3 MySQL数据库的运用

MySQL是一个广泛使用的开源关系型数据库管理系统（RDBMS），由瑞典MySQL AB公司开发，现在属于Oracle公司。它基于SQL（Structured Query Language）语言，支持多种操作系统，包括多种Unix和Linux变体、Windows以及macOS。MySQL以其高性能、可靠性和易用性而闻名，在各种应用场景中都有广泛的应用，如小型到中型应用、大型动态网站和企业级应用。它的多用户、多线程架构能够处理大量并发连接和复杂的查询，同时保持高效的数据处理能力。

MySQL提供了丰富的数据类型，能够存储各种类型的数据，如整数、浮点数、字符串、日期和时间等。它还支持多种索引类型，如B-Tree索引、全文索引等，以优化查询性能。安全性也是其重要特点之一。它提供了多层次的安全机制，包括用户认证、权限控制、加密连接等，确保数据的安全性和完整性。还拥有一个庞大的社区和生态系统，提供了大量的工具和第三方库，如phpMyAdmin、MySQL Workbench等，这些工具简化了数据库的管理、监控和开发过程。

2.4 vue.js前端框架

Vue.js是一个开源的前端JavaScript框架，由前谷歌工程师尤雨溪创建，专为构建用户界面和单页应用程序（SPA）而设计。它采用响应式数据绑定和组件化架构，使得开发者能够以声明式的方式构建复杂的页面。

Vue.js的核心库只关注视图层，易于学习和集成，同时体积轻巧，性能高效。它提供了一个清晰的模板语法，允许开发者在HTML中直接编写JavaScript表达式，实现数据与视图的同步更新。

Vue.js还拥有一个丰富的生态系统。他的工具和库共同构成了Vue.js的全功能现代Web开发体验。Vue.js的易用性、灵活性和强大的社区支持，使其成为全球开发者构建交互式Web应用的热门选择。

随着前端技术的发展，Vue.js也在不断进化，引入了如Vue 3这样的重大更新，带来了更好的性能、更小的体积以及更多的新特性，如Composition API，进一步简化了组件逻辑的组织和复用。Vue.js的这些特性和持续的创新，保证了它在现代Web开发中的领先地位。

2.5 B/S结构

B/S（Browser/Server）结构是一种网络应用架构模式，其中客户端通过浏览器与服务器进行交互。这种模式的核心优势在于其跨平台性和易用性，用户无需安装特定的客户端软件，只需使用浏览器即可访问应用程序。

在B/S结构中，所有的业务逻辑和数据处理都在服务器端完成，客户端浏览器仅负责显示服务器返回的数据和接收用户的输入。这种分离使得应用程序的维护和更新更加集中和方便，也减轻了客户端的计算负担。

随着移动互联网的发展，B/S结构的应用也扩展到了智能手机和平板电脑等移动设备上。现代的响应式设计技术使得Web应用能够自适应不同屏幕尺寸和分辨率，提供一致的用户体验。安全性也是B/S结构的一个重要考虑因素。为了保证数据传输的安全，通常采用SSL/TLS等加密协议来保护用户数据和隐私。服务器端的认证和授权机制也是确保应用安全的关键。

#coding:utf-8
__author__ = "ila"
import base64, copy, logging, os, sys, time, xlrd, json, datetime, configparser
from django.http import JsonResponse
from django.apps import apps
from django.db.models.aggregates import Count,Sum
from django.db.models import Case, When, IntegerField, F
from django.forms import model_to_dict
from util.CustomJSONEncoder import CustomJsonEncoder
from .models import kaoqinqiandao
from util.codes import *
from util.auth import Auth
from util.common import Common
import util.message as mes
from django.db import connection
import random
from django.core.mail import send_mail
from django.conf import settings
from django.shortcuts import redirect
from django.db.models import Q
from util.baidubce_api import BaiDuBce
from .config_model import config






def kaoqinqiandao_register(request):
    if request.method in ["POST", "GET"]:
        msg = {'code': normal_code, "msg": mes.normal_code}
        req_dict = request.session.get("req_dict")


        error = kaoqinqiandao.createbyreq(kaoqinqiandao, kaoqinqiandao, req_dict)
        if error != None:
            msg['code'] = crud_error_code
            msg['msg'] = "用户已存在,请勿重复注册!"
        return JsonResponse(msg, encoder=CustomJsonEncoder)

def kaoqinqiandao_login(request):
    if request.method in ["POST", "GET"]:
        msg = {'code': normal_code, "msg": mes.normal_code}
        req_dict = request.session.get("req_dict")
        datas = kaoqinqiandao.getbyparams(kaoqinqiandao, kaoqinqiandao, req_dict)
        if not datas:
            msg['code'] = password_error_code
            msg['msg'] = mes.password_error_code
            return JsonResponse(msg, encoder=CustomJsonEncoder)

        try:
            __sfsh__= kaoqinqiandao.__sfsh__
        except:
            __sfsh__=None

        if  __sfsh__=='是':
            if datas[0].get('sfsh')!='是':
                msg['code']=other_code
                msg['msg'] = "账号已锁定，请联系管理员审核!"
                return JsonResponse(msg, encoder=CustomJsonEncoder)
                
        req_dict['id'] = datas[0].get('id')


        return Auth.authenticate(Auth, kaoqinqiandao, req_dict)


def kaoqinqiandao_logout(request):
    if request.method in ["POST", "GET"]:
        msg = {
            "msg": "登出成功",
            "code": 0
        }

        return JsonResponse(msg, encoder=CustomJsonEncoder)


def kaoqinqiandao_resetPass(request):
    '''
    '''
    if request.method in ["POST", "GET"]:
        msg = {"code": normal_code, "msg": mes.normal_code}

        req_dict = request.session.get("req_dict")

        columns=  kaoqinqiandao.getallcolumn( kaoqinqiandao, kaoqinqiandao)

        try:
            __loginUserColumn__= kaoqinqiandao.__loginUserColumn__
        except:
            __loginUserColumn__=None
        username=req_dict.get(list(req_dict.keys())[0])
        if __loginUserColumn__:
            username_str=__loginUserColumn__
        else:
            username_str=username
        if 'mima' in columns:
            password_str='mima'
        else:
            password_str='password'

        init_pwd = '123456'
        recordsParam = {}
        recordsParam[username_str] = req_dict.get("username")
        records=kaoqinqiandao.getbyparams(kaoqinqiandao, kaoqinqiandao, recordsParam)
        if len(records)<1:
            msg['code'] = 400
            msg['msg'] = '用户不存在'
            return JsonResponse(msg, encoder=CustomJsonEncoder)

        eval('''kaoqinqiandao.objects.filter({}='{}').update({}='{}')'''.format(username_str,username,password_str,init_pwd))
        
        return JsonResponse(msg, encoder=CustomJsonEncoder)



def kaoqinqiandao_session(request):
    '''
    '''
    if request.method in ["POST", "GET"]:
        msg = {"code": normal_code,"msg": mes.normal_code, "data": {}}

        req_dict={"id":request.session.get('params').get("id")}
        msg['data']  = kaoqinqiandao.getbyparams(kaoqinqiandao, kaoqinqiandao, req_dict)[0]

        return JsonResponse(msg, encoder=CustomJsonEncoder)


def kaoqinqiandao_default(request):

    if request.method in ["POST", "GET"]:
        msg = {"code": normal_code,"msg": mes.normal_code, "data": {}}
        req_dict = request.session.get("req_dict")
        req_dict.update({"isdefault":"是"})
        data=kaoqinqiandao.getbyparams(kaoqinqiandao, kaoqinqiandao, req_dict)
        if len(data)>0:
            msg['data']  = data[0]
        else:
            msg['data']  = {}
        return JsonResponse(msg, encoder=CustomJsonEncoder)

def kaoqinqiandao_page(request):
    '''
    '''
    if request.method in ["POST", "GET"]:
        msg = {"code": normal_code, "msg": mes.normal_code,  "data":{"currPage":1,"totalPage":1,"total":1,"pageSize":10,"list":[]}}
        req_dict = request.session.get("req_dict")

        global kaoqinqiandao

        #获取全部列名
        columns=  kaoqinqiandao.getallcolumn( kaoqinqiandao, kaoqinqiandao)

        if "vipread" in req_dict and "vipread" not in columns:
          del req_dict["vipread"]

        #当前登录用户所在表
        tablename = request.session.get("tablename")
            #authColumn=list(__authTables__.keys())[0]
            #authTable=__authTables__.get(authColumn)

            # if authTable==tablename:
                #params = request.session.get("params")
                #req_dict[authColumn]=params.get(authColumn)

        '''__authSeparate__此属性为真，params添加userid，后台只查询个人数据'''
        try:
            __authSeparate__=kaoqinqiandao.__authSeparate__
        except:
            __authSeparate__=None

        if __authSeparate__=="是":
            tablename=request.session.get("tablename")
            if tablename!="users" and 'userid' in columns:
                try:
                    req_dict['userid']=request.session.get("params").get("id")
                except:
                    pass

        #当项目属性hasMessage为”是”，生成系统自动生成留言板的表messages，同时该表的表属性hasMessage也被设置为”是”,字段包括userid（用户id），username(用户名)，content（留言内容），reply（回复）
        #接口page需要区分权限，普通用户查看自己的留言和回复记录，管理员查看所有的留言和回复记录
        try:
            __hasMessage__=kaoqinqiandao.__hasMessage__
        except:
            __hasMessage__=None
        if  __hasMessage__=="是":
            tablename=request.session.get("tablename")
            if tablename!="users":
                req_dict["userid"]=request.session.get("params").get("id")

        # 判断当前表的表属性isAdmin,为真则是管理员表
        # 当表属性isAdmin=”是”,刷出来的用户表也是管理员，即page和list可以查看所有人的考试记录(同时应用于其他表)
        __isAdmin__ = None

        allModels = apps.get_app_config('main').get_models()
        for m in allModels:
            if m.__tablename__==tablename:

                try:
                    __isAdmin__ = m.__isAdmin__
                except:
                    __isAdmin__ = None
                break

        # 当前表也是有管理员权限的表
        if  __isAdmin__ == "是" and 'kaoqinqiandao' != 'forum':
            if req_dict.get("userid") and 'kaoqinqiandao' != 'chat':
                del req_dict["userid"]
        else:
            #非管理员权限的表,判断当前表字段名是否有userid
            if tablename!="users" and 'kaoqinqiandao'[:7]!='discuss'and "userid" in kaoqinqiandao.getallcolumn(kaoqinqiandao,kaoqinqiandao):
                req_dict["userid"] = request.session.get("params").get("id")

        #当列属性authTable有值(某个用户表)[该列的列名必须和该用户表的登陆字段名一致]，则对应的表有个隐藏属性authTable为”是”，那么该用户查看该表信息时，只能查看自己的
        try:
            __authTables__=kaoqinqiandao.__authTables__
        except:
            __authTables__=None

        if __authTables__!=None and  __authTables__!={} and __isAdmin__ == "是":
            try:
                del req_dict['userid']
                # tablename=request.session.get("tablename")
                # if tablename=="users":
                    # del req_dict['userid']
                
            except:
                pass
            for authColumn,authTable in __authTables__.items():
                if authTable==tablename:
                    params = request.session.get("params")
                    req_dict[authColumn]=params.get(authColumn)
                    username=params.get(authColumn)
                    break
        if tablename == 'jiaoshi':
            from .models import jiaoshi
            req_dict['jiaoshizhanghao'] = request.session.get("params").get(jiaoshi.__loginUserColumn__)
            if 'userid' in req_dict.keys():
                del req_dict["userid"]
        if tablename == 'xuesheng':
            from .models import xuesheng
            req_dict['xueshengxuehao'] = request.session.get("params").get(xuesheng.__loginUserColumn__)
            if 'userid' in req_dict.keys():
                del req_dict["userid"]
        q = Q()

        msg['data']['list'], msg['data']['currPage'], msg['data']['totalPage'], msg['data']['total'], \
        msg['data']['pageSize']  =kaoqinqiandao.page(kaoqinqiandao, kaoqinqiandao, req_dict, request, q)

        return JsonResponse(msg, encoder=CustomJsonEncoder)

def kaoqinqiandao_autoSort(request):
    '''
    ．智能推荐功能(表属性：[intelRecom（是/否）],新增clicktime[前端不显示该字段]字段（调用info/detail接口的时候更新），按clicktime排序查询)
主要信息列表（如商品列表，新闻列表）中使用，显示最近点击的或最新添加的5条记录就行
    '''
    if request.method in ["POST", "GET"]:
        msg = {"code": normal_code, "msg": mes.normal_code,  "data":{"currPage":1,"totalPage":1,"total":1,"pageSize":10,"list":[]}}
        req_dict = request.session.get("req_dict")
        if "clicknum"  in kaoqinqiandao.getallcolumn(kaoqinqiandao,kaoqinqiandao):
            req_dict['sort']='clicknum'
        elif "browseduration"  in kaoqinqiandao.getallcolumn(kaoqinqiandao,kaoqinqiandao):
            req_dict['sort']='browseduration'
        else:
            req_dict['sort']='clicktime'
        req_dict['order']='desc'
        msg['data']['list'], msg['data']['currPage'], msg['data']['totalPage'], msg['data']['total'], \
        msg['data']['pageSize']  = kaoqinqiandao.page(kaoqinqiandao,kaoqinqiandao, req_dict)

        return JsonResponse(msg, encoder=CustomJsonEncoder)

#分类列表
def kaoqinqiandao_lists(request):
    if request.method in ["POST", "GET"]:
        msg = {"code": normal_code, "msg": mes.normal_code,  "data":[]}
        msg['data'],_,_,_,_  = kaoqinqiandao.page(kaoqinqiandao, kaoqinqiandao, {})
        return JsonResponse(msg, encoder=CustomJsonEncoder)

def kaoqinqiandao_query(request):
    '''
    '''
    if request.method in ["POST", "GET"]:
        msg = {"code": normal_code, "msg": mes.normal_code, "data": {}}
        try:
            query_result = kaoqinqiandao.objects.filter(**request.session.get("req_dict")).values()
            msg['data'] = query_result[0]
        except Exception as e:

            msg['code'] = crud_error_code
            msg['msg'] = f"发生错误：{e}"
        return JsonResponse(msg, encoder=CustomJsonEncoder)

def kaoqinqiandao_list(request):
    '''
    前台分页
    '''
    if request.method in ["POST", "GET"]:
        msg = {"code": normal_code, "msg": mes.normal_code,  "data":{"currPage":1,"totalPage":1,"total":1,"pageSize":10,"list":[]}}
        req_dict = request.session.get("req_dict")
        #获取全部列名
        columns=  kaoqinqiandao.getallcolumn( kaoqinqiandao, kaoqinqiandao)
        if "vipread" in req_dict and "vipread" not in columns:
          del req_dict["vipread"]
        #表属性[foreEndList]前台list:和后台默认的list列表页相似,只是摆在前台,否:指没有此页,是:表示有此页(不需要登陆即可查看),前要登:表示有此页且需要登陆后才能查看
        try:
            __foreEndList__=kaoqinqiandao.__foreEndList__
        except:
            __foreEndList__=None
        try:
            __foreEndListAuth__=kaoqinqiandao.__foreEndListAuth__
        except:
            __foreEndListAuth__=None

        #authSeparate
        try:
            __authSeparate__=kaoqinqiandao.__authSeparate__
        except:
            __authSeparate__=None

        if __foreEndListAuth__ =="是" and __authSeparate__=="是":
            tablename=request.session.get("tablename")
            if tablename!="users":
                req_dict['userid']=request.session.get("params").get("id")

        tablename = request.session.get("tablename")
        if tablename == "users" and req_dict.get("userid") != None:#判断是否存在userid列名
            del req_dict["userid"]
        else:
            __isAdmin__ = None

            allModels = apps.get_app_config('main').get_models()
            for m in allModels:
                if m.__tablename__==tablename:

                    try:
                        __isAdmin__ = m.__isAdmin__
                    except:
                        __isAdmin__ = None
                    break

            if __isAdmin__ == "是":
                if req_dict.get("userid"):
                    # del req_dict["userid"]
                    pass
            else:
                #非管理员权限的表,判断当前表字段名是否有userid
                if "userid" in columns:
                    try:
                        pass
                    except:
                        pass
        #当列属性authTable有值(某个用户表)[该列的列名必须和该用户表的登陆字段名一致]，则对应的表有个隐藏属性authTable为”是”，那么该用户查看该表信息时，只能查看自己的
        try:
            __authTables__=kaoqinqiandao.__authTables__
        except:
            __authTables__=None

        if __authTables__!=None and  __authTables__!={} and __foreEndListAuth__=="是":
            for authColumn,authTable in __authTables__.items():
                if authTable==tablename:
                    try:
                        del req_dict['userid']
                    except:
                        pass
                    params = request.session.get("params")
                    req_dict[authColumn]=params.get(authColumn)
                    username=params.get(authColumn)
                    break
        
        if kaoqinqiandao.__tablename__[:7]=="discuss":
            try:
                del req_dict['userid']
            except:
                pass


        q = Q()
        msg['data']['list'], msg['data']['currPage'], msg['data']['totalPage'], msg['data']['total'], \
        msg['data']['pageSize']  = kaoqinqiandao.page(kaoqinqiandao, kaoqinqiandao, req_dict, request, q)

        return JsonResponse(msg, encoder=CustomJsonEncoder)

def kaoqinqiandao_save(request):
    '''
    后台新增
    '''
    if request.method in ["POST", "GET"]:
        msg = {"code": normal_code, "msg": mes.normal_code, "data": {}}
        req_dict = request.session.get("req_dict")
        if 'clicktime' in req_dict.keys():
            del req_dict['clicktime']
        tablename=request.session.get("tablename")
        __isAdmin__ = None
        allModels = apps.get_app_config('main').get_models()
        for m in allModels:
            if m.__tablename__==tablename:

                try:
                    __isAdmin__ = m.__isAdmin__
                except:
                    __isAdmin__ = None
                break

        #获取全部列名
        columns=  kaoqinqiandao.getallcolumn( kaoqinqiandao, kaoqinqiandao)
        if tablename!='users' and req_dict.get("userid")!=None and 'userid' in columns  and __isAdmin__!='是':
            params=request.session.get("params")
            req_dict['userid']=params.get('id')


        if 'addtime' in req_dict.keys():
            del req_dict['addtime']

        error= kaoqinqiandao.createbyreq(kaoqinqiandao,kaoqinqiandao, req_dict)
        if error!=None:
            msg['code'] = crud_error_code
            msg['msg'] = error

        return JsonResponse(msg, encoder=CustomJsonEncoder)


def kaoqinqiandao_add(request):
    '''
    前台新增
    '''
    if request.method in ["POST", "GET"]:
        msg = {"code": normal_code, "msg": mes.normal_code, "data": {}}
        req_dict = request.session.get("req_dict")
        tablename=request.session.get("tablename")

        #获取全部列名
        columns=  kaoqinqiandao.getallcolumn( kaoqinqiandao, kaoqinqiandao)
        try:
            __authSeparate__=kaoqinqiandao.__authSeparate__
        except:
            __authSeparate__=None

        if __authSeparate__=="是":
            tablename=request.session.get("tablename")
            if tablename!="users" and 'userid' in columns:
                try:
                    req_dict['userid']=request.session.get("params").get("id")
                except:
                    pass

        try:
            __foreEndListAuth__=kaoqinqiandao.__foreEndListAuth__
        except:
            __foreEndListAuth__=None

        if __foreEndListAuth__ and __foreEndListAuth__!="否":
            tablename=request.session.get("tablename")
            if tablename!="users":
                req_dict['userid']=request.session.get("params").get("id")


        if 'addtime' in req_dict.keys():
            del req_dict['addtime']
        error= kaoqinqiandao.createbyreq(kaoqinqiandao,kaoqinqiandao, req_dict)
        if error!=None:
            msg['code'] = crud_error_code
            msg['msg'] = error
        return JsonResponse(msg, encoder=CustomJsonEncoder)

def kaoqinqiandao_thumbsup(request,id_):
    '''
     点赞：表属性thumbsUp[是/否]，刷表新增thumbsupnum赞和crazilynum踩字段，
    '''
    if request.method in ["POST", "GET"]:
        msg = {"code": normal_code, "msg": mes.normal_code, "data": {}}
        req_dict = request.session.get("req_dict")
        id_=int(id_)
        type_=int(req_dict.get("type",0))
        rets=kaoqinqiandao.getbyid(kaoqinqiandao,kaoqinqiandao,id_)

        update_dict={
        "id":id_,
        }
        if type_==1:#赞
            update_dict["thumbsupnum"]=int(rets[0].get('thumbsupnum'))+1
        elif type_==2:#踩
            update_dict["crazilynum"]=int(rets[0].get('crazilynum'))+1
        error = kaoqinqiandao.updatebyparams(kaoqinqiandao,kaoqinqiandao, update_dict)
        if error!=None:
            msg['code'] = crud_error_code
            msg['msg'] = error
        return JsonResponse(msg, encoder=CustomJsonEncoder)


def kaoqinqiandao_info(request,id_):
    '''
    '''
    if request.method in ["POST", "GET"]:
        msg = {"code": normal_code, "msg": mes.normal_code, "data": {}}

        data = kaoqinqiandao.getbyid(kaoqinqiandao,kaoqinqiandao, int(id_))
        if len(data)>0:
            msg['data']=data[0]
            if msg['data'].__contains__("reversetime"):
                if isinstance(msg['data']['reversetime'], datetime.datetime):
                    msg['data']['reversetime'] = msg['data']['reversetime'].strftime("%Y-%m-%d %H:%M:%S")
                else:
                    if msg['data']['reversetime'] != None:
                        reversetime = datetime.datetime.strptime(msg['data']['reversetime'], '%Y-%m-%d %H:%M:%S')
                        msg['data']['reversetime'] = reversetime.strftime("%Y-%m-%d %H:%M:%S")

        #浏览点击次数
        try:
            __browseClick__= kaoqinqiandao.__browseClick__
        except:
            __browseClick__=None

        if __browseClick__=="是"  and  "clicknum"  in kaoqinqiandao.getallcolumn(kaoqinqiandao,kaoqinqiandao):
            try:
                clicknum=int(data[0].get("clicknum",0))+1
            except:
                clicknum=0+1
            click_dict={"id":int(id_),"clicknum":clicknum,"clicktime":datetime.datetime.now()}
            ret=kaoqinqiandao.updatebyparams(kaoqinqiandao,kaoqinqiandao,click_dict)
            if ret!=None:
                msg['code'] = crud_error_code
                msg['msg'] = ret
        return JsonResponse(msg, encoder=CustomJsonEncoder)

def kaoqinqiandao_detail(request,id_):
    '''
    '''
    if request.method in ["POST", "GET"]:
        msg = {"code": normal_code, "msg": mes.normal_code, "data": {}}

        data =kaoqinqiandao.getbyid(kaoqinqiandao,kaoqinqiandao, int(id_))
        if len(data)>0:
            msg['data']=data[0]
            if msg['data'].__contains__("reversetime"):
                if isinstance(msg['data']['reversetime'], datetime.datetime):
                    msg['data']['reversetime'] = msg['data']['reversetime'].strftime("%Y-%m-%d %H:%M:%S")
                else:
                    if msg['data']['reversetime'] != None:
                        reversetime = datetime.datetime.strptime(msg['data']['reversetime'], '%Y-%m-%d %H:%M:%S')
                        msg['data']['reversetime'] = reversetime.strftime("%Y-%m-%d %H:%M:%S")

        #浏览点击次数
        try:
            __browseClick__= kaoqinqiandao.__browseClick__
        except:
            __browseClick__=None

        if __browseClick__=="是"   and  "clicknum"  in kaoqinqiandao.getallcolumn(kaoqinqiandao,kaoqinqiandao):
            try:
                clicknum=int(data[0].get("clicknum",0))+1
            except:
                clicknum=0+1
            click_dict={"id":int(id_),"clicknum":clicknum,"clicktime":datetime.datetime.now()}

            ret=kaoqinqiandao.updatebyparams(kaoqinqiandao,kaoqinqiandao,click_dict)
            if ret!=None:
                msg['code'] = crud_error_code
                msg['msg'] = ret
        return JsonResponse(msg, encoder=CustomJsonEncoder)

def kaoqinqiandao_update(request):
    '''
    '''
    if request.method in ["POST", "GET"]:
        msg = {"code": normal_code, "msg": mes.normal_code, "data": {}}
        req_dict = request.session.get("req_dict")
        if 'clicktime' in req_dict.keys() and req_dict['clicktime']=="None":
            del req_dict['clicktime']
        if req_dict.get("mima") and "mima" not in kaoqinqiandao.getallcolumn(kaoqinqiandao,kaoqinqiandao) :
            del req_dict["mima"]
        if req_dict.get("password") and "password" not in kaoqinqiandao.getallcolumn(kaoqinqiandao,kaoqinqiandao) :
            del req_dict["password"]
        try:
            del req_dict["clicknum"]
        except:
            pass


        error = kaoqinqiandao.updatebyparams(kaoqinqiandao, kaoqinqiandao, req_dict)
        if error!=None:
            msg['code'] = crud_error_code
            msg['msg'] = error

        return JsonResponse(msg)


def kaoqinqiandao_delete(request):
    '''
    批量删除
    '''
    if request.method in ["POST", "GET"]:
        msg = {"code": normal_code, "msg": mes.normal_code, "data": {}}
        req_dict = request.session.get("req_dict")

        error=kaoqinqiandao.deletes(kaoqinqiandao,
            kaoqinqiandao,
             req_dict.get("ids")
        )
        if error!=None:
            msg['code'] = crud_error_code
            msg['msg'] = error
        return JsonResponse(msg)


def kaoqinqiandao_vote(request,id_):
    '''
    浏览点击次数（表属性[browseClick:是/否]，点击字段（clicknum），调用info/detail接口的时候后端自动+1）、投票功能（表属性[vote:是/否]，投票字段（votenum）,调用vote接口后端votenum+1）
统计商品或新闻的点击次数；提供新闻的投票功能
    '''
    if request.method in ["POST", "GET"]:
        msg = {"code": normal_code, "msg": mes.normal_code}


        data= kaoqinqiandao.getbyid(kaoqinqiandao, kaoqinqiandao, int(id_))
        for i in data:
            votenum=i.get('votenum')
            if votenum!=None:
                params={"id":int(id_),"votenum":votenum+1}
                error=kaoqinqiandao.updatebyparams(kaoqinqiandao,kaoqinqiandao,params)
                if error!=None:
                    msg['code'] = crud_error_code
                    msg['msg'] = error
        return JsonResponse(msg)

def kaoqinqiandao_importExcel(request):
    if request.method in ["POST", "GET"]:
        msg = {"code": normal_code, "msg": "成功", "data": {}}

        excel_file = request.FILES.get("file", "")
        file_type = excel_file.name.split('.')[1]
        
        if file_type in ['xlsx', 'xls']:
            data = xlrd.open_workbook(filename=None, file_contents=excel_file.read())
            table = data.sheets()[0]
            rows = table.nrows
            
            try:
                for row in range(1, rows):
                    row_values = table.row_values(row)
                    req_dict = {}
                    kaoqinqiandao.createbyreq(kaoqinqiandao, kaoqinqiandao, req_dict)
                    
            except:
                pass
                
        else:
            msg = {
                "msg": "文件类型错误",
                "code": 500
            }
                
        return JsonResponse(msg)

def kaoqinqiandao_autoSort2(request):
    return JsonResponse({"code": 0, "msg": '',  "data":{}})

# （按值统计）时间统计类型
def kaoqinqiandao_value(request, xColumnName, yColumnName, timeStatType):
    if request.method in ["POST", "GET"]:
        msg = {"code": normal_code, "msg": "成功", "data": {}}
        
        where = ' where 1 = 1 '
        token = request.META.get('HTTP_TOKEN')
        decode_str = eval(base64.b64decode(token).decode("utf8"))
        if decode_str['tablename'] == 'jiaoshi':
            where = where + " and jiaoshizhanghao ='{0}' ".format(decode_str['params']['jiaoshizhanghao'])
        if decode_str['tablename'] == 'xuesheng':
            where = where + " and xueshengxuehao ='{0}' ".format(decode_str['params']['xueshengxuehao'])
        sql = ''
        if timeStatType == '日':
            sql = "SELECT DATE_FORMAT({0}, '%Y-%m-%d') {0}, ROUND(sum({1}),2) total FROM kaoqinqiandao {2} GROUP BY DATE_FORMAT({0}, '%Y-%m-%d')".format(xColumnName, yColumnName, where, '%Y-%m-%d')

        if timeStatType == '月':
            sql = "SELECT DATE_FORMAT({0}, '%Y-%m') {0}, ROUND(sum({1}),2) total FROM kaoqinqiandao {2} GROUP BY DATE_FORMAT({0}, '%Y-%m')".format(xColumnName, yColumnName, where, '%Y-%m')

        if timeStatType == '年':
            sql = "SELECT DATE_FORMAT({0}, '%Y') {0}, ROUND(sum({1}),2) total FROM kaoqinqiandao {2} GROUP BY DATE_FORMAT({0}, '%Y')".format(xColumnName, yColumnName, where, '%Y')

        L = []
        cursor = connection.cursor()
        cursor.execute(sql)
        desc = cursor.description
        data_dict = [dict(zip([col[0] for col in desc], row)) for row in cursor.fetchall()] 
        for online_dict in data_dict:
            for key in online_dict:
                if 'datetime.datetime' in str(type(online_dict[key])):
                    online_dict[key] = online_dict[key].strftime(
                        "%Y-%m-%d %H:%M:%S")
                else:
                    pass
            L.append(online_dict)
        msg['data'] = L
        return JsonResponse(msg, encoder=CustomJsonEncoder)

# 按值统计
def kaoqinqiandao_o_value(request, xColumnName, yColumnName):
    if request.method in ["POST", "GET"]:
        msg = {"code": normal_code, "msg": "成功", "data": {}}
        
        where = ' where 1 = 1 '
        token = request.META.get('HTTP_TOKEN')
        decode_str = eval(base64.b64decode(token).decode("utf8"))
        if decode_str['tablename'] == 'jiaoshi':
            where = where + " and jiaoshizhanghao ='{0}' ".format(decode_str['params']['jiaoshizhanghao'])
        if decode_str['tablename'] == 'xuesheng':
            where = where + " and xueshengxuehao ='{0}' ".format(decode_str['params']['xueshengxuehao'])
        
        sql = "SELECT {0}, ROUND(sum({1}),2) AS total FROM kaoqinqiandao {2} GROUP BY {0}".format(xColumnName, yColumnName, where)
        L = []
        cursor = connection.cursor()
        cursor.execute(sql)
        desc = cursor.description
        data_dict = [dict(zip([col[0] for col in desc], row)) for row in cursor.fetchall()] 
        for online_dict in data_dict:
            for key in online_dict:
                if 'datetime.datetime' in str(type(online_dict[key])):
                    online_dict[key] = online_dict[key].strftime(
                        "%Y-%m-%d %H:%M:%S")
                else:
                    pass
            L.append(online_dict)
        msg['data'] = L
        return JsonResponse(msg, encoder=CustomJsonEncoder)

# （按值统计）时间统计类型(多)
def kaoqinqiandao_valueMul(request, xColumnName, timeStatType):
    if request.method in ["POST", "GET"]:
        msg = {"code": normal_code, "msg": "成功", "data": []}

        req_dict = request.session.get("req_dict")

        where = ' where 1 = 1 '
        token = request.META.get('HTTP_TOKEN')
        decode_str = eval(base64.b64decode(token).decode("utf8"))
        if decode_str['tablename'] == 'jiaoshi':
            where = where + " and jiaoshizhanghao ='{0}' ".format(decode_str['params']['jiaoshizhanghao'])
        if decode_str['tablename'] == 'xuesheng':
            where = where + " and xueshengxuehao ='{0}' ".format(decode_str['params']['xueshengxuehao'])

        for item in req_dict['yColumnNameMul'].split(','):
            sql = ''
            if timeStatType == '日':
                sql = "SELECT DATE_FORMAT({0}, '%Y-%m-%d') {0}, ROUND(sum({1}),2) total FROM kaoqinqiandao {2} GROUP BY DATE_FORMAT({0}, '%Y-%m-%d') LIMIT 10".format(xColumnName, item, where, '%Y-%m-%d')

            if timeStatType == '月':
                sql = "SELECT DATE_FORMAT({0}, '%Y-%m') {0}, ROUND(sum({1}),2) total FROM kaoqinqiandao {2} GROUP BY DATE_FORMAT({0}, '%Y-%m') LIMIT 10".format(xColumnName, item, where, '%Y-%m')

            if timeStatType == '年':
                sql = "SELECT DATE_FORMAT({0}, '%Y') {0}, ROUND(sum({1}),2) total FROM kaoqinqiandao {2} GROUP BY DATE_FORMAT({0}, '%Y') LIMIT 10".format(xColumnName, item, where, '%Y')

            L = []
            cursor = connection.cursor()
            cursor.execute(sql)
            desc = cursor.description
            data_dict = [dict(zip([col[0] for col in desc], row)) for row in cursor.fetchall()] 
            for online_dict in data_dict:
                for key in online_dict:
                    if 'datetime.datetime' in str(type(online_dict[key])):
                        online_dict[key] = online_dict[key].strftime(
                            "%Y-%m-%d %H:%M:%S")
                    else:
                        pass
                L.append(online_dict)
            msg['data'].append(L)
        return JsonResponse(msg, encoder=CustomJsonEncoder)

# （按值统计(多)）
def kaoqinqiandao_o_valueMul(request, xColumnName):
    if request.method in ["POST", "GET"]:
        msg = {"code": normal_code, "msg": "成功", "data": []}

        req_dict = request.session.get("req_dict")
        
        where = ' where 1 = 1 '
        token = request.META.get('HTTP_TOKEN')
        decode_str = eval(base64.b64decode(token).decode("utf8"))
        if decode_str['tablename'] == 'jiaoshi':
            where = where + " and jiaoshizhanghao ='{0}' ".format(decode_str['params']['jiaoshizhanghao'])
        if decode_str['tablename'] == 'xuesheng':
            where = where + " and xueshengxuehao ='{0}' ".format(decode_str['params']['xueshengxuehao'])

        for item in req_dict['yColumnNameMul'].split(','):
            sql = "SELECT {0}, ROUND(sum({1}),2) AS total FROM kaoqinqiandao {2} GROUP BY {0} LIMIT 10".format(xColumnName, item, where)
            L = []
            cursor = connection.cursor()
            cursor.execute(sql)
            desc = cursor.description
            data_dict = [dict(zip([col[0] for col in desc], row)) for row in cursor.fetchall()] 
            for online_dict in data_dict:
                for key in online_dict:
                    if 'datetime.datetime' in str(type(online_dict[key])):
                        online_dict[key] = online_dict[key].strftime(
                            "%Y-%m-%d %H:%M:%S")
                    else:
                        pass
                L.append(online_dict)
            msg['data'].append(L)

        return JsonResponse(msg, encoder=CustomJsonEncoder)




def kaoqinqiandao_group(request, columnName):
    if request.method in ["POST", "GET"]:
        msg = {"code": normal_code, "msg": "成功", "data": {}}
        
        where = ' where 1 = 1 '
        token = request.META.get('HTTP_TOKEN')
        decode_str = eval(base64.b64decode(token).decode("utf8"))
        if decode_str['tablename'] == 'jiaoshi':
            where = where + " and jiaoshizhanghao ='{0}' ".format(decode_str['params']['jiaoshizhanghao'])
        if decode_str['tablename'] == 'xuesheng':
            where = where + " and xueshengxuehao ='{0}' ".format(decode_str['params']['xueshengxuehao'])

        sql = "SELECT COUNT(*) AS total, " + columnName + " FROM kaoqinqiandao " + where + " GROUP BY " + columnName

        L = []
        cursor = connection.cursor()
        cursor.execute(sql)
        desc = cursor.description
        data_dict = [dict(zip([col[0] for col in desc], row)) for row in cursor.fetchall()] 
        for online_dict in data_dict:
            for key in online_dict:
                if 'datetime.datetime' in str(type(online_dict[key])):
                    online_dict[key] = online_dict[key].strftime("%Y-%m-%d")
                else:
                    pass
            L.append(online_dict)
        msg['data'] = L
        return JsonResponse(msg, encoder=CustomJsonEncoder)

为什么选择我（我可以给你的定制项目推荐核心功能，一对一推荐）实现定制！！！
     博主提供的项目均为博主自己收集和开发的！所有的源码都经由博主检验过，能过正常启动并且功能都没有问题！同学们拿到后就能使用！且博主自身就是高级开发，可以将所有的代码都清晰讲解出来。
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