Django+Vue协同过滤算法图书推荐系统的设计与实现

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1 项目介绍

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Django+Vue协同过滤算法图书推荐系统的设计与实现(源码+数据库+文档)

项目描述
随着社会的发展，儿童图书市场日益繁荣，但同时也面临着一些问题，如信息过载、书籍质量难以鉴别等。因此，开发一个儿童图书推荐系统，为家长和儿童提供有针对性的、高质量的图书推荐，成为了一个重要的研究课题。
儿童图书推荐系统的研究具有重要的现实意义和理论价值。首先，它可以帮助家长和儿童更有效地筛选图书，避免信息过载和无效选择。其次，通过推荐系统，可以更好地了解儿童的兴趣和需求，为儿童提供个性化的阅读指导。此外，该系统还可以为研究者提供新的研究视角和方法，促进儿童阅读研究的深入发展。
通过建立儿童图书推荐系统，我们可以更好地理解儿童阅读行为和需求，提高图书推荐的准确性和针对性，为儿童提供更好的阅读体验和成长环境。同时，该系统还可以为图书出版商、发行商和电商平台提供数据支持和服务，促进图书市场的健康发展。

在这里插入图片描述

2 项目截图

django基于协同过滤算法的的儿童图书推荐系统演示录像

3 核心代码

3.1 需要的环境

django==2.0
django-threadlocals
pymysql
click
requests
xlrd==1.2.0
django-cors-headers==2.4.0
pycryptodome

3.2 Django接口层


# coding:utf-8
__author__ = "ila"from django.http import JsonResponsefrom .users_model import users
from util.codes import *
from util.auth import Auth
import util.message as mes
from dj2.settings import host,port,user,passwd,dbName,hasHadoopdef users_login(request):if request.method in ["POST", "GET"]:msg = {'code': normal_code, "msg": mes.normal_code}req_dict = request.session.get("req_dict")if req_dict.get('role')!=None:del req_dict['role']datas = users.getbyparams(users, users, req_dict)if not datas:msg['code'] = password_error_codemsg['msg'] = mes.password_error_codereturn JsonResponse(msg)req_dict['id'] = datas[0].get('id')return Auth.authenticate(Auth, users, req_dict)def users_register(request):if request.method in ["POST", "GET"]:msg = {'code': normal_code, "msg": mes.normal_code}req_dict = request.session.get("req_dict")error = users.createbyreq(users, users, req_dict)if error != None:msg['code'] = crud_error_codemsg['msg'] = errorreturn JsonResponse(msg)def users_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'] = users.getbyparams(users, users, req_dict)[0]return JsonResponse(msg)def users_logout(request):if request.method in ["POST", "GET"]:msg = {"msg": "退出成功","code": 0}return JsonResponse(msg)def users_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")tablename = request.session.get("tablename")try:__hasMessage__ = users.__hasMessage__except:__hasMessage__ = Noneif __hasMessage__ and __hasMessage__ != "否":if tablename != "users":req_dict["userid"] = request.session.get("params").get("id")if tablename == "users":msg['data']['list'], msg['data']['currPage'], msg['data']['totalPage'], msg['data']['total'], \msg['data']['pageSize'] = users.page(users, users, req_dict)else:msg['data']['list'], msg['data']['currPage'], msg['data']['totalPage'], msg['data']['total'], \msg['data']['pageSize'] = [],1,0,0,10return JsonResponse(msg)def users_info(request, id_):''''''if request.method in ["POST", "GET"]:msg = {"code": normal_code, "msg": mes.normal_code, "data": {}}data = users.getbyid(users, users, int(id_))if len(data) > 0:msg['data'] = data[0]# 浏览点击次数try:__browseClick__ = users.__browseClick__except:__browseClick__ = Noneif __browseClick__ and "clicknum" in users.getallcolumn(users, users):click_dict = {"id": int(id_), "clicknum": str(int(data[0].get("clicknum", 0)) + 1)}ret = users.updatebyparams(users, users, click_dict)if ret != None:msg['code'] = crud_error_codemsg['msg'] = retreturn JsonResponse(msg)def users_save(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['role'] = '管理员'error = users.createbyreq(users, users, req_dict)if error != None:msg['code'] = crud_error_codemsg['msg'] = errorreturn JsonResponse(msg)def users_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 req_dict.get("mima") and req_dict.get("password"):if "mima" not in users.getallcolumn(users,users):del req_dict["mima"]if "password" not in users.getallcolumn(users,users):del req_dict["password"]try:del req_dict["clicknum"]except:passerror = users.updatebyparams(users, users, req_dict)if error != None:msg['code'] = crud_error_codemsg['msg'] = errorreturn JsonResponse(msg)def users_delete(request):''''''if request.method in ["POST", "GET"]:msg = {"code": normal_code, "msg": mes.normal_code, "data": {}}req_dict = request.session.get("req_dict")error = users.deletes(users,users,req_dict.get("ids"))if error != None:msg['code'] = crud_error_codemsg['msg'] = errorreturn JsonResponse(msg)

3.3 实体类

# coding:utf-8
__author__ = "ila"from django.db import modelsfrom .model import BaseModelclass users(BaseModel):# id=models.BigIntegerField(verbose_name="自增id")username = models.CharField(max_length=100, verbose_name=u'账号')password = models.CharField(max_length=100, verbose_name=u'密码')role = models.CharField(max_length=100, verbose_name=u'角色')addtime = models.DateTimeField(auto_now_add=False, verbose_name=u'创建时间')image = models.CharField(max_length=100, verbose_name=u'头像')__tablename__ = 'users'class Meta:db_table = 'users'verbose_name = verbose_name_plural = u'管理员表'# def __str__(self):#     return self.username

3.4 config.ini

[sql]
;support two sql,mysql and mssql,choice one
type = mysql
host = 127.0.0.1
port = 3306
user = root
passwd = 123456
db = djangoc2e8kave
charset = utf8
hasHadoop=否
[redis]
host = 127.0.0.1
port = 6379
passwd = 123456

3.5 启动类

#!/usr/bin/env python
import os
import sysif __name__ == "__main__":os.environ.setdefault("DJANGO_SETTINGS_MODULE", "dj2.settings")try:from django.core.management import execute_from_command_lineexcept ImportError as exc:raise ImportError("Couldn't import Django. Are you sure it's installed and ""available on your PYTHONPATH environment variable? Did you ""forget to activate a virtual environment?") from excexecute_from_command_line(sys.argv)

3.5 Vue

<template><div><div class="container loginIn" style="backgroundImage: url(http://codegen.caihongy.cn/20201206/eaa69c2b4fa742f2b5acefd921a772fc.jpg)"><div :class="2 == 1 ? 'left' : 2 == 2 ? 'left center' : 'left right'" style="backgroundColor: rgba(255, 255, 255, 0.71)"><el-form class="login-form" label-position="left" :label-width="1 == 3 ? '56px' : '0px'"><div class="title-container"><h3 class="title" style="color: rgba(84, 88, 179, 1)">在线文档管理系统登录</h3></div><el-form-item :label="1 == 3 ? '用户名' : ''" :class="'style'+1"><span v-if="1 != 3" class="svg-container" style="color:rgba(89, 97, 102, 1);line-height:44px"><svg-icon icon-class="user" /></span><el-input placeholder="请输入用户名" name="username" type="text" v-model="rulesForm.username" /></el-form-item><el-form-item :label="1 == 3 ? '密码' : ''" :class="'style'+1"><span v-if="1 != 3" class="svg-container" style="color:rgba(89, 97, 102, 1);line-height:44px"><svg-icon icon-class="password" /></span><el-input placeholder="请输入密码" name="password" type="password" v-model="rulesForm.password" /></el-form-item><el-form-item v-if="0 == '1'" class="code" :label="1 == 3 ? '验证码' : ''" :class="'style'+1"><span v-if="1 != 3" class="svg-container" style="color:rgba(89, 97, 102, 1);line-height:44px"><svg-icon icon-class="code" /></span><el-input placeholder="请输入验证码" name="code" type="text" v-model="rulesForm.code" /><div class="getCodeBt" @click="getRandCode(4)" style="height:44px;line-height:44px"><span v-for="(item, index) in codes" :key="index" :style="{color:item.color,transform:item.rotate,fontSize:item.size}">{{ item.num }}</span></div></el-form-item><el-form-item label="角色" prop="loginInRole" class="role"><el-radiov-for="item in menus"v-if="item.hasBackLogin=='是'"v-bind:key="item.roleName"v-model="rulesForm.role":label="item.roleName">{{item.roleName}}</el-radio></el-form-item><el-button type="primary" @click="login()" class="loginInBt" style="padding:0;font-size:16px;border-radius:4px;height:44px;line-height:44px;width:100%;backgroundColor:rgba(84, 88, 179, 1); borderColor:rgba(84, 88, 179, 1); color:rgba(255, 255, 255, 1)">{{'1' == '1' ? '登录' : 'login'}}</el-button><el-form-item class="setting"><!-- <div style="color:rgba(255, 255, 255, 1)" class="reset">修改密码</div> --></el-form-item></el-form></div></div></div>
</template>
<script>
import menu from "@/utils/menu";
export default {data() {return {rulesForm: {username: "",password: "",role: "",code: '',},menus: [],tableName: "",codes: [{num: 1,color: '#000',rotate: '10deg',size: '16px'},{num: 2,color: '#000',rotate: '10deg',size: '16px'},{num: 3,color: '#000',rotate: '10deg',size: '16px'},{num: 4,color: '#000',rotate: '10deg',size: '16px'}],};},mounted() {let menus = menu.list();this.menus = menus;},created() {this.setInputColor()this.getRandCode()},methods: {setInputColor(){this.$nextTick(()=>{document.querySelectorAll('.loginIn .el-input__inner').forEach(el=>{el.style.backgroundColor = "rgba(255, 255, 255, 1)"el.style.color = "rgba(0, 0, 0, 1)"el.style.height = "44px"el.style.lineHeight = "44px"el.style.borderRadius = "2px"})document.querySelectorAll('.loginIn .style3 .el-form-item__label').forEach(el=>{el.style.height = "44px"el.style.lineHeight = "44px"})document.querySelectorAll('.loginIn .el-form-item__label').forEach(el=>{el.style.color = "rgba(89, 97, 102, 1)"})setTimeout(()=>{document.querySelectorAll('.loginIn .role .el-radio__label').forEach(el=>{el.style.color = "rgba(84, 88, 179, 1)"})},350)})},register(tableName){this.$storage.set("loginTable", tableName);this.$router.push({path:'/register'})},// 登陆login() {let code = ''for(let i in this.codes) {code += this.codes[i].num}if ('0' == '1' && !this.rulesForm.code) {this.$message.error("请输入验证码");return;}if ('0' == '1' && this.rulesForm.code.toLowerCase() != code.toLowerCase()) {this.$message.error("验证码输入有误");this.getRandCode()return;}if (!this.rulesForm.username) {this.$message.error("请输入用户名");return;}if (!this.rulesForm.password) {this.$message.error("请输入密码");return;}if (!this.rulesForm.role) {this.$message.error("请选择角色");return;}let menus = this.menus;for (let i = 0; i < menus.length; i++) {if (menus[i].roleName == this.rulesForm.role) {this.tableName = menus[i].tableName;}}this.$http({url: `${this.tableName}/login?username=${this.rulesForm.username}&password=${this.rulesForm.password}`,method: "post"}).then(({ data }) => {if (data && data.code === 0) {this.$storage.set("Token", data.token);this.$storage.set("role", this.rulesForm.role);this.$storage.set("sessionTable", this.tableName);this.$storage.set("adminName", this.rulesForm.username);this.$router.replace({ path: "/index/" });} else {this.$message.error(data.msg);}});},getRandCode(len = 4){this.randomString(len)},randomString(len = 4) {let chars = ["a", "b", "c", "d", "e", "f", "g", "h", "i", "j", "k","l", "m", "n", "o", "p", "q", "r", "s", "t", "u", "v","w", "x", "y", "z", "A", "B", "C", "D", "E", "F", "G","H", "I", "J", "K", "L", "M", "N", "O", "P", "Q", "R","S", "T", "U", "V", "W", "X", "Y", "Z", "0", "1", "2","3", "4", "5", "6", "7", "8", "9"]let colors = ["0", "1", "2","3", "4", "5", "6", "7", "8", "9", "a", "b", "c", "d", "e", "f"]let sizes = ['14', '15', '16', '17', '18']let output = [];for (let i = 0; i < len; i++) {// 随机验证码let key = Math.floor(Math.random()*chars.length)this.codes[i].num = chars[key]// 随机验证码颜色let code = '#'for (let j = 0; j < 6; j++) {let key = Math.floor(Math.random()*colors.length)code += colors[key]}this.codes[i].color = code// 随机验证码方向let rotate = Math.floor(Math.random()*60)let plus = Math.floor(Math.random()*2)if(plus == 1) rotate = '-'+rotatethis.codes[i].rotate = 'rotate('+rotate+'deg)'// 随机验证码字体大小let size = Math.floor(Math.random()*sizes.length)this.codes[i].size = sizes[size]+'px'}},}
};
</script>
<style lang="scss" scoped>
.loginIn {min-height: 100vh;position: relative;background-repeat: no-repeat;background-position: center center;background-size: cover;.left {position: absolute;left: 0;top: 0;width: 360px;height: 100%;.login-form {background-color: transparent;width: 100%;right: inherit;padding: 0 12px;box-sizing: border-box;display: flex;justify-content: center;flex-direction: column;}.title-container {text-align: center;font-size: 24px;.title {margin: 20px 0;}}.el-form-item {position: relative;.svg-container {padding: 6px 5px 6px 15px;color: #889aa4;vertical-align: middle;display: inline-block;position: absolute;left: 0;top: 0;z-index: 1;padding: 0;line-height: 40px;width: 30px;text-align: center;}.el-input {display: inline-block;height: 40px;width: 100%;& /deep/ input {background: transparent;border: 0px;-webkit-appearance: none;padding: 0 15px 0 30px;color: #fff;height: 40px;}}}}.center {position: absolute;left: 50%;top: 50%;width: 360px;transform: translate3d(-50%,-50%,0);height: 446px;border-radius: 8px;}.right {position: absolute;left: inherit;right: 0;top: 0;width: 360px;height: 100%;}.code {.el-form-item__content {position: relative;.getCodeBt {position: absolute;right: 0;top: 0;line-height: 40px;width: 100px;background-color: rgba(51,51,51,0.4);color: #fff;text-align: center;border-radius: 0 4px 4px 0;height: 40px;overflow: hidden;span {padding: 0 5px;display: inline-block;font-size: 16px;font-weight: 600;}}.el-input {& /deep/ input {padding: 0 130px 0 30px;}}}}.setting {& /deep/ .el-form-item__content {padding: 0 15px;box-sizing: border-box;line-height: 32px;height: 32px;font-size: 14px;color: #999;margin: 0 !important;.register {float: left;width: 50%;}.reset {float: right;width: 50%;text-align: right;}}}.style2 {padding-left: 30px;.svg-container {left: -30px !important;}.el-input {& /deep/ input {padding: 0 15px !important;}}}.code.style2, .code.style3 {.el-input {& /deep/ input {padding: 0 115px 0 15px;}}}.style3 {& /deep/ .el-form-item__label {padding-right: 6px;}.el-input {& /deep/ input {padding: 0 15px !important;}}}.role {& /deep/ .el-form-item__label {width: 56px !important;}& /deep/ .el-radio {margin-right: 12px;}}}
</style>