SprinBoot+Vue学生选课微信小程序的设计与实现

1 项目介绍

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SprinBoot+Vue学生选课小程序的设计与实现(源码+数据库+文档)

项目描述
学生选课的需求和管理上的不断提升，学生选课管理的潜力将无限扩大，微信小程序的学生选课系统在业界被广泛关注，本网站及对此进行总体分析，将学生选课信息管理的发展提供参考。微信小程序的学生选课系统对学生选课管理有着明显的带动效应。
本系统主要包括学生、教师和管理员；主要包括：首页、个人中心、学生管理、教师管理、课程类型管理、课程信息管理、选课信息管理、取消选课管理、管理员管理、系统管理等功能的管理系统。

在这里插入图片描述

2 项目截图

springboot微信小程序的学生选课系统

3 核心代码

3.1 Controller


package com.controller;import java.util.Arrays;
import java.util.Calendar;
import java.util.Date;
import java.util.Map;import javax.servlet.http.HttpServletRequest;import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.bind.annotation.RestController;import com.annotation.IgnoreAuth;
import com.baomidou.mybatisplus.mapper.EntityWrapper;
import com.entity.TokenEntity;
import com.entity.UserEntity;
import com.service.TokenService;
import com.service.UserService;
import com.utils.CommonUtil;
import com.utils.MPUtil;
import com.utils.PageUtils;
import com.utils.R;
import com.utils.ValidatorUtils;/*** 登录相关*/
@RequestMapping("users")
@RestController
public class UserController{@Autowiredprivate UserService userService;@Autowiredprivate TokenService tokenService;/*** 登录*/@IgnoreAuth@PostMapping(value = "/login")public R login(String username, String password, String captcha, HttpServletRequest request) {UserEntity user = userService.selectOne(new EntityWrapper<UserEntity>().eq("username", username));if(user==null || !user.getPassword().equals(password)) {return R.error("账号或密码不正确");}String token = tokenService.generateToken(user.getId(),username, "users", user.getRole());return R.ok().put("token", token);}/*** 注册*/@IgnoreAuth@PostMapping(value = "/register")public R register(@RequestBody UserEntity user){
//    	ValidatorUtils.validateEntity(user);if(userService.selectOne(new EntityWrapper<UserEntity>().eq("username", user.getUsername())) !=null) {return R.error("用户已存在");}userService.insert(user);return R.ok();}/*** 退出*/@GetMapping(value = "logout")public R logout(HttpServletRequest request) {request.getSession().invalidate();return R.ok("退出成功");}/*** 密码重置*/@IgnoreAuth@RequestMapping(value = "/resetPass")public R resetPass(String username, HttpServletRequest request){UserEntity user = userService.selectOne(new EntityWrapper<UserEntity>().eq("username", username));if(user==null) {return R.error("账号不存在");}user.setPassword("123456");userService.update(user,null);return R.ok("密码已重置为：123456");}/*** 列表*/@RequestMapping("/page")public R page(@RequestParam Map<String, Object> params,UserEntity user){EntityWrapper<UserEntity> ew = new EntityWrapper<UserEntity>();PageUtils page = userService.queryPage(params, MPUtil.sort(MPUtil.between(MPUtil.allLike(ew, user), params), params));return R.ok().put("data", page);}/*** 列表*/@RequestMapping("/list")public R list( UserEntity user){EntityWrapper<UserEntity> ew = new EntityWrapper<UserEntity>();ew.allEq(MPUtil.allEQMapPre( user, "user")); return R.ok().put("data", userService.selectListView(ew));}/*** 信息*/@RequestMapping("/info/{id}")public R info(@PathVariable("id") String id){UserEntity user = userService.selectById(id);return R.ok().put("data", user);}/*** 获取用户的session用户信息*/@RequestMapping("/session")public R getCurrUser(HttpServletRequest request){Integer id = (Integer)request.getSession().getAttribute("userId");UserEntity user = userService.selectById(id);return R.ok().put("data", user);}/*** 保存*/@PostMapping("/save")public R save(@RequestBody UserEntity user){
//    	ValidatorUtils.validateEntity(user);if(userService.selectOne(new EntityWrapper<UserEntity>().eq("username", user.getUsername())) !=null) {return R.error("用户已存在");}userService.insert(user);return R.ok();}/*** 修改*/@RequestMapping("/update")public R update(@RequestBody UserEntity user){
//        ValidatorUtils.validateEntity(user);UserEntity u = userService.selectOne(new EntityWrapper<UserEntity>().eq("username", user.getUsername()));if(u!=null && u.getId()!=user.getId() && u.getUsername().equals(user.getUsername())) {return R.error("用户名已存在。");}userService.updateById(user);//全部更新return R.ok();}/*** 删除*/@RequestMapping("/delete")public R delete(@RequestBody Long[] ids){userService.deleteBatchIds(Arrays.asList(ids));return R.ok();}
}

3.2 Service


/*** 系统用户*/
public interface UserService extends IService<UserEntity> {PageUtils queryPage(Map<String, Object> params);List<UserEntity> selectListView(Wrapper<UserEntity> wrapper);PageUtils queryPage(Map<String, Object> params,Wrapper<UserEntity> wrapper);}

3.3 Dao

/*** 用户*/
public interface UserDao extends BaseMapper<UserEntity> {List<UserEntity> selectListView(@Param("ew") Wrapper<UserEntity> wrapper);List<UserEntity> selectListView(Pagination page,@Param("ew") Wrapper<UserEntity> wrapper);}

3.4 application.yml

# Tomcat
server:tomcat:uri-encoding: UTF-8port: 8080servlet:context-path: /springbootpkh49spring:datasource:driverClassName: com.mysql.jdbc.Driverurl: jdbc:mysql://127.0.0.1:3306/springbootpkh49?useUnicode=true&characterEncoding=utf-8&useJDBCCompliantTimezoneShift=true&useLegacyDatetimeCode=false&serverTimezone=GMT%2B8username: rootpassword: root#        driverClassName: com.microsoft.sqlserver.jdbc.SQLServerDriver
#        url: jdbc:sqlserver://127.0.0.1:1433;DatabaseName=springbootpkh49
#        username: sa
#        password: 123456servlet:multipart:max-file-size: 10MBmax-request-size: 10MBresources:static-locations: classpath:static/,file:static/#mybatis
mybatis-plus:mapper-locations: classpath*:mapper/*.xml#实体扫描，多个package用逗号或者分号分隔typeAliasesPackage: com.entityglobal-config:#主键类型  0:"数据库ID自增", 1:"用户输入ID",2:"全局唯一ID (数字类型唯一ID)", 3:"全局唯一ID UUID";id-type: 1#字段策略 0:"忽略判断",1:"非 NULL 判断"),2:"非空判断"field-strategy: 2#驼峰下划线转换db-column-underline: true#刷新mapper 调试神器refresh-mapper: true#逻辑删除配置logic-delete-value: -1logic-not-delete-value: 0#自定义SQL注入器sql-injector: com.baomidou.mybatisplus.mapper.LogicSqlInjectorconfiguration:map-underscore-to-camel-case: truecache-enabled: falsecall-setters-on-nulls: true#springboot 项目mybatis plus 设置 jdbcTypeForNull (oracle数据库需配置JdbcType.NULL, 默认是Other)jdbc-type-for-null: 'null'

3.5 SpringbootApplication

@SpringBootApplication
@MapperScan(basePackages = {"com.dao"})
public class SpringbootSchemaApplication extends SpringBootServletInitializer{public static void main(String[] args) {SpringApplication.run(SpringbootSchemaApplication.class, args);}@Overrideprotected SpringApplicationBuilder configure(SpringApplicationBuilder applicationBuilder) {return applicationBuilder.sources(SpringbootSchemaApplication.class);}
}

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>

3.6 uniapp代码

<template><view class="content"><view class="box" :style='{"padding":"24rpx","background":"url(http://codegen.caihongy.cn/20231129/b245d02724c846eb81ec48ed8ffd3ba3.png)","width":"100%","backgroundSize":"cover","backgroundPosition":"center center","backgroundRepeat":"no-repeat","height":"100%"}'><view :style='{"width":"100%","padding":"24rpx 24rpx","position":"relative","flexWrap":"wrap","display":"flex","height":"auto"}'><image :style='{"width":"120rpx","margin":"0 auto 24rpx","borderRadius":"50%","display":"block","height":"120rpx","order":"1"}' src="http://codegen.caihongy.cn/20231129/60e9e3dac4104b1a8fa52d7c3a726a45.webp" mode="aspectFill"></image><view v-if="loginType==1" :style='{"width":"100%","margin":"0 0 0","flexWrap":"wrap","display":"flex","height":"auto","order":"2"}' class="uni-form-item uni-column"><view :style='{"width":"100%","lineHeight":"88rpx","fontSize":"26rpx","color":"#000","textAlign":"left","fontWeight":"bold"}' class="label">账号：</view><input v-model="username" :style='{"border":"2rpx solid #aaa","padding":"0px 24rpx","margin":"0px","color":"rgb(0, 0, 0)","borderRadius":"0","flex":"1","background":"none","borderWidth":"0 0 2rpx","fontSize":"28rpx","height":"88rpx"}' type="text" class="uni-input" name="" placeholder="请输入账号" /></view><view v-if="loginType==1" :style='{"width":"100%","margin":"0 0 0","flexWrap":"wrap","display":"flex","height":"auto","order":"2"}' class="uni-form-item uni-column"><view :style='{"width":"100%","lineHeight":"88rpx","fontSize":"26rpx","color":"#000","textAlign":"left","fontWeight":"bold"}' class="label">密码：</view><input v-model="password" :style='{"border":"2rpx solid #aaa","padding":"0px 24rpx","margin":"0px","color":"rgb(0, 0, 0)","borderRadius":"0","flex":"1","background":"none","borderWidth":"0 0 2rpx","fontSize":"28rpx","height":"88rpx"}' type="password" class="uni-input" name="" placeholder="请输入密码" /></view><view v-if="roleNum>1" :style='{"width":"100%","margin":"0 0 24rpx 0","display":"block","height":"auto","order":"4"}'><view :style='{"width":"100%","lineHeight":"88rpx","fontSize":"26rpx","color":"#000","textAlign":"left","fontWeight":"bold"}' class="label">用户类型：</view><picker @change="optionsChange" :value="index" :range="options" :style='{"width":"100%","lineHeight":"48rpx","fontSize":"24rpx","textDecoration":"underline","color":"#424EF0","textAlign":"left"}'><view class="uni-picker-type">{{options[index]}}</view></picker></view><button v-if="loginType==1" class="btn-submit" @tap="onLoginTap" type="primary" :style='{"border":"0","padding":"0px","margin":"24rpx auto ","color":"rgb(255, 255, 255)","borderRadius":"8rpx","background":"url(http://codegen.caihongy.cn/20231129/e83626e1e97e489099693ee9348afd12.png)","width":"120rpx","lineHeight":"120rpx","fontSize":"0","backgroundSize":"cover","backgroundPosition":"center center","backgroundRepeat":"no-repeat","fontWeight":"bold","height":"120rpx","order":"7"}'>→</button><button v-if="loginType==2" class="btn-submit" @tap="onFaceLoginTap" type="primary" :style='{"border":"0","padding":"0px","margin":"24rpx auto ","color":"rgb(255, 255, 255)","borderRadius":"8rpx","background":"url(http://codegen.caihongy.cn/20231129/e83626e1e97e489099693ee9348afd12.png)","width":"120rpx","lineHeight":"120rpx","fontSize":"0","backgroundSize":"cover","backgroundPosition":"center center","backgroundRepeat":"no-repeat","fontWeight":"bold","height":"120rpx","order":"7"}'>人脸识别登录</button><view class="links" :style='{"margin":"0 0 24rpx 0","flexWrap":"wrap","display":"flex","width":"100%","justifyContent":"flex-end","height":"auto","order":"6"}'><view class="link-highlight" @tap="onRegisterTap('xuesheng')" :style='{"color":"#9E9E9E","padding":"0 12rpx","fontSize":"24rpx"}'>注册学生</view><view class="link-highlight" @tap="onRegisterTap('jiaoshi')" :style='{"color":"#9E9E9E","padding":"0 12rpx","fontSize":"24rpx"}'>注册教师</view></view><view class="idea1" :style='{"width":"100%","background":"red","display":"none","height":"80rpx"}'>idea1</view><view class="idea2" :style='{"width":"100%","background":"red","display":"none","height":"80rpx"}'>idea2</view><view class="idea3" :style='{"width":"100%","background":"red","display":"none","height":"80rpx"}'>idea3</view></view></view></view>
</template><script>import menu from '@/utils/menu'export default {data() {return {username: '',password: '',loginType:1,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'}],options: ['请选择登录用户类型',],optionsValues: ['','xuesheng','jiaoshi',],index: 0,roleNum:0,}},onLoad() {let options = ['请选择登录用户类型'];let menus = menu.list();this.menuList = menus;for(let i=0;i<this.menuList.length;i++){if(this.menuList[i].hasFrontLogin=='是'){options.push(this.menuList[i].roleName);this.roleNum++;}}if(this.roleNum==1) {this.index = 1;}	this.options = options;this.styleChange()},onShow() {},mounted() {},methods: {styleChange() {this.$nextTick(()=>{// document.querySelectorAll('.uni-input .uni-input-input').forEach(el=>{//   el.style.backgroundColor = this.loginFrom.content.input.backgroundColor// })})},onRegisterTap(tableName) {uni.setStorageSync("loginTable", tableName);this.$utils.jump('../register/register')},async onLoginTap() {if (!this.username) {this.$utils.msg('请输入用户名')return}if (!this.password) {this.$utils.msg('请输入用户密码')return}if (!this.optionsValues[this.index]) {this.$utils.msg('请选择登录用户类型')return}this.loginPost()},async loginPost() {let res = await this.$api.login(`${this.optionsValues[this.index]}`, {username: this.username,password: this.password});uni.removeStorageSync("useridTag");uni.setStorageSync("appToken", res.token);uni.setStorageSync("nickname",this.username);uni.setStorageSync("nowTable", `${this.optionsValues[this.index]}`);res = await this.$api.session(`${this.optionsValues[this.index]}`);if(res.data.touxiang) {uni.setStorageSync('headportrait', res.data.touxiang);} else if(res.data.headportrait) {uni.setStorageSync('headportrait', res.data.headportrait);}uni.setStorageSync('userSession',JSON.stringify(res.data))// 保存用户iduni.setStorageSync("appUserid", res.data.id);if(res.data.vip) {uni.setStorageSync("vip", res.data.vip);}uni.setStorageSync("appRole", `${this.options[this.index]}`);this.$utils.tab('../index/index');},optionsChange(e) {this.index = e.target.value}}}
</script><style lang="scss" scoped>page {height: 100%;}.content {height: 100%;box-sizing: border-box;}</style>