基于javaweb+SpringBoot+JPA图书馆座位占座预约管理系统(管理员、老师、学生)

开发工具：eclipse/idea/myeclipse/sts等均可配置运行

适用

课程设计，大作业，毕业设计，项目练习，学习演示等

/*** 修改密码页面** @return*/@RequestMapping(value = "/update_pwd", method = RequestMethod.GET)public String updatePwd() {return "admin/system/update_pwd";}/*** 修改密码表单提交** @param oldPwd* @param newPwd* @return*/@RequestMapping(value = "/update_pwd", method = RequestMethod.POST)@ResponseBodypublic Result<Boolean> updatePwd(@RequestParam(name = "oldPwd", required = true) String oldPwd,@RequestParam(name = "newPwd", required = true) String newPwd) {User loginedUser = SessionUtil.getLoginedUser();if (!loginedUser.getPassword().equals(oldPwd)) {

        return Result.success(true);}}
package com.demo.controller.admin;import com.demo.common.bean.CodeMsg;
import com.demo.common.bean.PageBean;
import com.demo.common.bean.Result;
import com.demo.common.dto.SeatDTO;
import com.demo.common.util.DateUtil;
import com.demo.entity.*;
import com.demo.service.ReadRoomService;
import com.demo.service.SeatOrderService;

	public static CodeMsg ADMIN_SEAT_EXIST=new CodeMsg(-15001,"座位已存在");public static CodeMsg ADMIN_SEAT_NO_EXIST=new CodeMsg(-15009,"座位不存在");public static CodeMsg ADMIN_SEAT_ADD_ERROR = new CodeMsg(-15002, "座位生成失败！");public static CodeMsg ADMIN_SEAT_ORDER_ADD_EXIST = new CodeMsg(-15003, "选座失败，该座位已预约！");public static CodeMsg ADMIN_SEAT_ORDER_STUDENT_EXIST = new CodeMsg(-15003, "选座失败，您已预约座位！");public static CodeMsg ADMIN_SEAT_ORDER_DATE_ERROR = new CodeMsg(-15004, "选座失败，请选则正确的时间！");public static CodeMsg ADMIN_SEAT_ORDER_DELETE_ERROR = new CodeMsg(-15005, "删除失败，登录用户不是学生！");public static CodeMsg ADMIN_SEAT_ORDER_ILLEGALITY_DELETE = new CodeMsg(-15006, "删除失败！");public static CodeMsg ADMIN_SEAT_STUDENT_ERROR = new CodeMsg(-15007, "请选使用学生账号登录！");public static CodeMsg ADMIN_SEAT_STUDENT_INTEGRAL_ERROR = new CodeMsg(-15008, "您的积分不足！");//后台班级管理类错误码public static CodeMsg ADMIN_ClAZZ_EMPTY = new CodeMsg(-9000, "教师填写错误，请重新填写！");public static final CodeMsg ADMIN_ClAZZNAME_EXIST =new CodeMsg (-9001, "该班级名已经存在，请换一个试试！");public static CodeMsg ADMIN_ClAZZ_ADD_ERROR = new CodeMsg(-9002, "班级添加失败，请联系管理员！");public static final CodeMsg ADMIN_CLAZZ_NOEXIST =new CodeMsg(-9003, "班级不存在！") ;public static final CodeMsg ADMIN_CLAZZNAME_EXIST =new CodeMsg(-9004, "该班级名已存在，请联系管理员！") ;public static final CodeMsg ADMIN_CLAZZ_TEACHER_EMPTY =new CodeMsg(-9005, "教师信息错误，请重新编辑！") ;//学生扣分日志管理public static final CodeMsg ADMIN_LOFINTEGRAL_CREDITS =new CodeMsg(-9005, "该学生没有那么多分数！") ;
}
package com.demo.common.util;

	private int vcodeLen = 4;/*** 验证码图片字体大小* 默认17*/private int fontsize = 21;/*** 验证码图片宽度*/private int width = (fontsize+1)*vcodeLen+10;/*** 验证码图片高度*/private int height = fontsize+12;/**

/*** @return 验证码字符个数*/public int getVcodeLen() {return vcodeLen;}/*** 设置验证码字符个数* @param vcodeLen*/public void setVcodeLen(int vcodeLen) {this.width = (fontsize+3)*vcodeLen+10;this.vcodeLen = vcodeLen;}/*** @return 字体大小*/public int getFontsize() {return fontsize;}/*** 设置字体大小* @param fontsize*/

public class UserController {@Autowiredprivate UserService userService;@Autowiredprivate RoleService roleService;@Autowiredprivate OperaterLogService operaterLogService;/*** 用户列表页面* @param model* @param user* @param pageBean* @return*/@RequestMapping(value="/list")public String list(Model model,User user,PageBean<User> pageBean){model.addAttribute("title", "用户列表");model.addAttribute("nickName", user.getNickName());model.addAttribute("pageBean", userService.findList(user, pageBean));return "admin/user/list";}/*** 新增用户页面* @param model

    @RequestMapping(value = "/add", method = RequestMethod.POST)@ResponseBodypublic Result<Boolean> add(@RequestParam(name = "id", required = true) Long id) {ReadingRoom readingRoom = readRoomService.findById(id);if (seatService.isExistReadingRoomId(id)) {return Result.error(CodeMsg.ADMIN_SEAT_EXIST);}List<Seat> seats = new ArrayList<>();for (int x = 1; x <= readingRoom.getLie(); x++) {for (int y = 1; y <= readingRoom.getRow(); y++) {Seat seat = new Seat();seat.setReadingRoom(readingRoom);seat.setxAxis(x);

        CodeMsg validate = ValidateEntityUtil.validate(clazz);if(validate.getCode() != CodeMsg.SUCCESS.getCode()){return Result.error(validate);}if(clazz.getTeacher() == null || clazz.getTeacher().getTeacherSno() == null){return Result.error(CodeMsg.ADMIN_ClAZZ_EMPTY );}//判断班级名是否存在if(clazzService.isExistClaName(clazz.getClaname(), 0l)){return Result.error(CodeMsg.ADMIN_ClAZZNAME_EXIST);}//到这说明一切符合条件，进行数据库新增if(clazzService.save(clazz) == null){return Result.error(CodeMsg.ADMIN_ClAZZ_ADD_ERROR);}operaterLogService.add("添加班级，班级名：" + clazz.getClaname());return Result.success(true);}

		BufferedImage rotateVcodeImage = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);Graphics2D g2d = rotateVcodeImage.createGraphics();//填充背景色g2d.setColor(new Color(246, 240, 250));g2d.fillRect(0, 0, width, height);if(drawline){drawDisturbLine(g2d);}//在图片上画验证码for(int i = 0;i < vcode.length();i++){BufferedImage rotateImage = getRotateImage(vcode.charAt(i));g2d.drawImage(rotateImage, null, (int) (this.height * 0.7) * i, 0);}g2d.dispose();return rotateVcodeImage;}/*** 生成验证码* @return 验证码*/public String generatorVCode(){

import com.demo.entity.SeatOrder;
import com.demo.entity.TimeEnum;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.domain.*;
import org.springframework.stereotype.Service;import java.util.ArrayList;
import java.util.Date;
import java.util.List;
import java.util.stream.Collectors;@Service
public class SeatService {@Autowiredprivate SeatDao seatDao;@Autowired

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运行环境

Java≥8、MySQL≥5.7

开发工具

eclipse/idea/myeclipse/sts等均可配置运行

技术框架

JSP JavaScript SpringBoot SpringDataJPA FreeMarker MySQL

适用

课程设计，大作业，毕业设计，项目练习，学习演示等

功能说明

管理员：学生管理、教师管理、阅览室类型管理、阅览室管理（座位生成等）、学生信用积分管理、座位预约统计管理等。

学生：登录、修改个人信息、阅览室查看、选座信息查看、选座、取消选座等。

教师：登录、阅览室管理、学生信用管理：可根据学生表现进行扣分、奖励等，扣分达到设定的值则无法进行选座。

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