大家好，我是java1234_小锋老师，最近写了一套【前后端分离Python权限系统 基于Django5+DRF+Vue3.2+Element Plus+Jwt 】视频教程，持续更新中，计划月底更新完，感谢支持。

视频在线地址：

打造前后端分离Python权限系统 基于Django5+DRF+Vue3.2+Element Plus+Jwt 视频教程 （火爆连载更新中..）_哔哩哔哩_bilibili

项目介绍

本课程采用主流的Python技术栈实现，Mysql8数据库，Django5后端，redis缓存，DRF框架 ，Vue3.2+Element Plus实现后台管理。基于JWT技术实现前后端分离。

业务功能实现了，登录验证鉴权功能，用户管理(增删改查，角色授权)，角色管理(增删改查，权限分配)，权限管理(增删改查)。

系统展示

部分代码

<code>import base64

import copy

import hashlib

import json

import os

import random

import uuid

from datetime import datetime

from io import BytesIO

from captcha.image import ImageCaptcha

from django.core import serializers

from django.core.cache import cache

from django.core.paginator import Paginator

from django.core.serializers import serialize

from django.http import JsonResponse, QueryDict

from django.views import View

from rest_framework_jwt.settings import api_settings

from python222_admin import settings

from user.models import SysUser, SysUserSerializer, SysRole, SysMenu, SysMenuSerializer, SysUserRole

# Create your views here.

class LoginView(View):

# 构造菜单树

def buildTreeMenu(self, sysMenuList):

resultMenuList: list[SysMenu] = list()

for menu in sysMenuList:

# 寻找子节点

for e in sysMenuList:

if e.parent_id == menu.id:

if not hasattr(menu, "children"):

menu.children = list()

menu.children.append(e)

# 判断父节点，添加到集合

if menu.parent_id == 0:

resultMenuList.append(menu)

return resultMenuList

def post(self, request):

# data = json.loads(request.body.decode("utf-8"))

username = request.GET.get('username')

password = request.GET.get('password')

code = request.GET.get('code') # 用户填写的验证码

uuid = request.GET.get('uuid')

token = ''

print(password, hashlib.md5(password.encode()).hexdigest())

captcha = cache.get(uuid)

print("captcha", captcha)

if captcha == '' or captcha.lower() != code.lower(): # 判断验证码

return JsonResponse({'code': 500, 'info': '验证码错误！'})

try:

user = SysUser.objects.get(username=username, password=hashlib.md5(password.encode()).hexdigest())

jwt_payload_handler = api_settings.JWT_PAYLOAD_HANDLER

jwt_encode_handler = api_settings.JWT_ENCODE_HANDLER

# 将用户对象传递进去，获取到该对象的属性值

payload = jwt_payload_handler(user)

# 将属性值编码成jwt格式的字符串

token = jwt_encode_handler(payload)

# roleList = SysRole.objects.raw("select id,role_id from sys_user_role where user_id=" + str(user.id))

roleList = SysRole.objects.raw(

"select id,name from sys_role where id in (select role_id from sys_user_role where user_id=" + str(

user.id) + ")")code>

menuSet: set[SysMenu] = set()

# roles:str = "" # 当前用户拥有的角色，逗号隔开

roles = ",".join([role.name for role in roleList])

print("roles=", roles)

for row in roleList:

# print("role_id:" + str(row.role_id))code>

menuList = SysMenu.objects.raw(

"select * from sys_menu where id in (select menu_id from sys_role_menu where role_id=" + str(

row.id) + ")")code>

for row2 in menuList:

# print(row2.menu_id)

menuSet.add(row2)

menuList: list[SysMenu] = list(menuSet) # set转list

print(menuList)

sorted_menuList = sorted(menuList) # 根据order_num排序

# 构造菜单树

sysMenuList: list[SysMenu] = self.buildTreeMenu(sorted_menuList)

print(sysMenuList)

serializerMenuList: list[SysMenuSerializer] = list()

for sysMenu in sysMenuList:

serializerMenuList.append(SysMenuSerializer(sysMenu).data)

except Exception as e:

print(e)

return JsonResponse({'code': 500, 'info': '用户名或者密码错误！'})

return JsonResponse(

{'code': 200, 'user': SysUserSerializer(user).data, 'token': token, 'roles': roles,

'menuList': serializerMenuList})

class InfoView(View):

def get(self, request):

token = request.META.get('HTTP_AUTHORIZATION')

jwt_decode_handler = api_settings.JWT_DECODE_HANDLER

print("result=", jwt_decode_handler(token))

# 用户角色授权

class GrantRole(View):

def post(self, request):

data = json.loads(request.body.decode("utf-8"))code>

user_id = data['id']

roleIdList = data['roleIds']

print(user_id, roleIdList)

SysUserRole.objects.filter(user_id=user_id).delete() # 删除用户角色关联表中的指定用户数据

for roleId in roleIdList:

userRole = SysUserRole(user_id=user_id, role_id=roleId)

userRole.save()

return JsonResponse({'code': 200})

class PwdView(View):

def post(self, request):

data = json.loads(request.body.decode("utf-8"))

id = data['id']

oldPassword = data['oldPassword']

newPassword = data['newPassword']

obj_user = SysUser.objects.get(id=id)

if obj_user.password == hashlib.md5(oldPassword.encode()).hexdigest():

obj_user.password = hashlib.md5(newPassword.encode()).hexdigest()

obj_user.update_time = datetime.now().date()

obj_user.save()

return JsonResponse({'code': 200})

else:

return JsonResponse({'code': 500, 'errorInfo': '原密码错误！'})

class SaveView(View):

def post(self, request):

data = json.loads(request.body.decode("utf-8"))

if data['id'] == -1: # 添加

obj_sysUser = SysUser(username=data['username'], password=data['password'],

email=data['email'], phonenumber=data['phonenumber'],

status=data['status'],

remark=data['remark'])

obj_sysUser.create_time = datetime.now().date()

obj_sysUser.avatar = 'default.jpg'

obj_sysUser.password = hashlib.md5("123456".encode()).hexdigest()

obj_sysUser.save()

else: # 修改

obj_sysUser = SysUser(id=data['id'], username=data['username'], password=data['password'],

avatar=data['avatar'], email=data['email'], phonenumber=data['phonenumber'],

login_date=data['login_date'], status=data['status'], create_time=data['create_time'],

update_time=data['update_time'], remark=data['remark'])

obj_sysUser.update_time = datetime.now().date()

obj_sysUser.save()

return JsonResponse({'code': 200})

# 用户状态修改

class StatusView(View):

def post(self, request):

data = json.loads(request.body.decode("utf-8"))

id = data['id']

status = data['status']

user_object = SysUser.objects.get(id=id)

user_object.status = status

user_object.save()

return JsonResponse({'code': 200})

# 重置密码

class PasswordView(View):

def get(self, request):

id = request.GET.get("id")

user_object = SysUser.objects.get(id=id)

user_object.password = hashlib.md5("123456".encode()).hexdigest()

user_object.update_time = datetime.now().date()

user_object.save()

return JsonResponse({'code': 200})

class TestView(View):

def post(self, request):

return JsonResponse({'code': 200, 'info': '测试！'})

# 用户名验证

class CheckView(View):

def post(self, request):

data = json.loads(request.body.decode("utf-8"))

username = data['username']

print("username=", username)

if SysUser.objects.filter(username=username).exists():

return JsonResponse({'code': 500})

else:

return JsonResponse({'code': 200})

# 用户基本操作

class ActionView(View):

def get(self, request):

"""code>

根据id获取用户信息

:param request:

:return:

"""

id = request.GET.get("id")

user_object = SysUser.objects.get(id=id)

return JsonResponse({'code': 200, 'user': SysUserSerializer(user_object).data})

def delete(self, request):

"""

删除操作

:param request:

:return:

"""

idList = json.loads(request.body.decode("utf-8"))

SysUserRole.objects.filter(user_id__in=idList).delete()

SysUser.objects.filter(id__in=idList).delete()

return JsonResponse({'code': 200})

# 用户信息查询

class SearchView(View):

def post(self, request):

data = json.loads(request.body.decode("utf-8"))

pageNum = data['pageNum'] # 当前页

pageSize = data['pageSize'] # 每页大小

query = data['query'] # 查询参数

print(pageSize, pageNum)

userListPage = Paginator(SysUser.objects.filter(username__icontains=query), pageSize).page(pageNum)

obj_users = userListPage.object_list.values() # 转成字典

users = list(obj_users) # 把外层的容器转为List

for user in users:

userId = user['id']

# roleList = SysRole.objects.raw("select id,user_id,role_id from sys_user_role where user_id=" + str(userId))

roleList = SysRole.objects.raw(

"select id,name from sys_role where id in (select role_id from sys_user_role where user_id=" + str(

userId) + ")")code>

roles = ",".join([role.name for role in roleList])

roleListDict = []

for role in roleList:

roleDict = {}

roleDict['id'] = role.id

roleDict['name'] = role.name

roleListDict.append(roleDict)

user['roleList'] = roleListDict

total = SysUser.objects.filter(username__icontains=query).count()

return JsonResponse(

{'code': 200, 'userList': users, 'total': total})

class AvatarView(View):

def post(self, request):

data = json.loads(request.body.decode("utf-8"))

id = data['id']

avatar = data['avatar']

obj_user = SysUser.objects.get(id=id)

obj_user.avatar = avatar

obj_user.save()

return JsonResponse({'code': 200})

class ImageView(View):

def post(self, request):

file = request.FILES.get('avatar')

print("file:", file)

if file:

file_name = file.name

suffixName = file_name[file_name.rfind("."):]

new_file_name = datetime.now().strftime('%Y%m%d%H%M%S') + suffixName

file_path = str(settings.MEDIA_ROOT) + "\\userAvatar\\" + new_file_name

print("file_path:", file_path)

try:

with open(file_path, 'wb') as f:

for chunk in file.chunks():

f.write(chunk)

return JsonResponse({'code': 200, 'title': new_file_name})

except:

return JsonResponse({'code': 500, 'errorInfo': '上传头像失败'})

class CaptchaView(View):

def get(self, request):

characters = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789'

data = ''.join(random.sample(characters, 4))

print("data", data)

captcha = ImageCaptcha()

imageData: BytesIO = captcha.generate(data)

base64_str = base64.b64encode(imageData.getvalue()).decode()

print(type(base64_str), base64_str)

random_uuid = uuid.uuid4() # 生成一个随机数

print(random_uuid)

cache.set(random_uuid, data, timeout=300) # 存到redis缓存中 有效期5分钟

return JsonResponse({'code': 200, 'base64str': 'data:image/png;base64,' + base64_str, 'uuid': random_uuid})

<template>

<div class="login">code>

<el-form ref="loginRef" :model="loginForm" :rules="loginRules" class="login-form">code>

<h3 class="title">python222 Django后台管理系统</h3>code>

<el-form-item prop="username">code>

<el-input

v-model="loginForm.username"code>

type="text"code>

size="large"code>

auto-complete="off"code>

placeholder="账号"code>

>

<template #prefix><svg-icon icon="user" /></template>code>

</el-input>

</el-form-item>

<el-form-item prop="password">code>

<el-input

v-model="loginForm.password"code>

type="password"code>

size="large"code>

auto-complete="off"code>

placeholder="密码"code>

>

<template #prefix><svg-icon icon="password" /></template>code>

</el-input>

</el-form-item>

<el-form-item prop="code">code>

<el-input

v-model="loginForm.code"code>

size="large"code>

auto-complete="off"code>

placeholder="验证码"code>

style="width: 63%"code>

@keyup.enter="handleLogin"code>

>

<template #prefix><svg-icon icon="validCode" /></template>code>

</el-input>

<div class="login-code">code>

<img :src="codeUrl" @click="getCode" class="login-code-img"/>code>

</div>

</el-form-item>

<el-checkbox v-model="loginForm.rememberMe" style="margin:0px 0px 25px 0px;">记住密码</el-checkbox>code>

<el-form-item style="width:100%;">code>

<el-button

size="large"code>

type="primary"code>

style="width:100%;"code>

@click.prevent="handleLogin"code>

>

<span>登 录</span>

</el-button>

</el-form-item>

</el-form>

<!-- 底部 -->

<div class="el-login-footer">code>

<span>Copyright © 2013-2022 <a href="http://www.python222.com" target="_blank">python222.com</a> 版权所有.</span>code>

</div>

</div>

</template>

<script setup>

import { ref } from 'vue'

import requestUtil from '@/utils/request'

import { encrypt, decrypt } from "@/utils/jsencrypt"

import qs from 'qs'

import store from '@/store'

import Cookies from "js-cookie"

import router from "@/router";

import {ElMessage} from 'element-plus'

const codeUrl = ref("");

const loginRef=ref(null);

const loginForm = ref({

username: "",

password: "",

rememberMe: false,

code: "",

uuid: ""

});

const loginRules = {

username: [{ required: true, trigger: "blur", message: "请输入您的账号" }],

password: [{ required: true, trigger: "blur", message: "请输入您的密码" }],

code: [{ required: true, trigger: "change", message: "请输入验证码" }]

};

const getCode=async ()=>{

let result=await requestUtil.get("/user/captcha");

console.log(result)

loginForm.value.uuid=result.data.uuid;

codeUrl.value=result.data.base64str;

}

const handleLogin=()=>{

loginRef.value.validate(async (valid)=>{

if(valid){

// 勾选了需要记住密码设置在 cookie 中设置记住用户名和密码

console.log("r"+loginForm.value.rememberMe)

if (loginForm.value.rememberMe) {

Cookies.set("username", loginForm.value.username, { expires: 30 });

Cookies.set("password", encrypt(loginForm.value.password), { expires: 30 });

Cookies.set("rememberMe", loginForm.value.rememberMe, { expires: 30 });

} else {

// 否则移除

Cookies.remove("username");

Cookies.remove("password");

Cookies.remove("rememberMe");

}

try{

let result=await requestUtil.post("user/login?"+qs.stringify(loginForm.value));

let data=result.data;

if(data.code==200){

// 生成token

console.log(data.data)

console.log('token:'+data.token)

const currentUser=data.user;

const token=data.token;

const menuList=data.menuList;

console.log("token:",token)

store.commit('SET_TOKEN', token)

console.log("currentUser:"+currentUser)

currentUser.roles=data.roles

store.commit("SET_USERINFO",currentUser);

store.commit("SET_MENULIST",menuList);

router.replace("/index")

}else{

ElMessage.error(data.info);

}

}catch(err){

console.log("error:"+err);

ElMessage.error("服务器出错，请联系管理员！");

}

}else{

console.log("验证失败")

}

})

}

function getCookie() {

const username = Cookies.get("username");

const password = Cookies.get("password");

const rememberMe = Cookies.get("rememberMe");

loginForm.value = {

username: username === undefined ? loginForm.value.username : username,

password: password === undefined ? loginForm.value.password : decrypt(password),

rememberMe: rememberMe === undefined ? false : Boolean(rememberMe)

};

}

getCookie();

getCode();

</script>

<style lang="scss" scoped>code>

a{

color:white

}

.login {

display: flex;

justify-content: center;

align-items: center;

height: 100%;

background-image: url("../assets/images/login-background.jpg");

background-size: cover;

}

.title {

margin: 0px auto 30px auto;

text-align: center;

color: #707070;

}

.login-form {

border-radius: 6px;

background: #ffffff;

width: 400px;

padding: 25px 25px 5px 25px;

.el-input {

height: 40px;

input {

display: inline-block;

height: 40px;

}

}

.input-icon {

height: 39px;

width: 14px;

margin-left: 0px;

}

}

.login-tip {

font-size: 13px;

text-align: center;

color: #bfbfbf;

}

.login-code {

width: 33%;

height: 40px;

float: right;

img {

cursor: pointer;

vertical-align: middle;

}

}

.el-login-footer {

height: 40px;

line-height: 40px;

position: fixed;

bottom: 0;

width: 100%;

text-align: center;

color: #fff;

font-family: Arial;

font-size: 12px;

letter-spacing: 1px;

}

.login-code-img {

height: 40px;

padding-left: 12px;

}

</style>