日常教学档案管理系统

日常教学档案管理系统登录注册界面

日常教学档案管理系统mysql数据库版本源码:

超级管理员表创建语句如下:


create table t_admin(
	id int primary key auto_increment comment '主键',
	username varchar(100) comment '超级管理员账号',
	password varchar(100) comment '超级管理员密码'
) comment '超级管理员';
insert into t_admin(username,password) values('admin','123456');

教学档案表创建语句如下:


create table t_jxda(
	id int primary key auto_increment comment '主键',
	teacherId int comment '老师',
	types varchar(100) comment '分类',
	title varchar(100) comment '档案名称',
	content varchar(100) comment '描述',
	fileUrl varchar(100) comment '附件',
	insertDate datetime comment '上传时间'
) comment '教学档案';

教学评优档案表创建语句如下:


create table t_jxpy(
	id int primary key auto_increment comment '主键',
	teacherId int comment '老师',
	types varchar(100) comment '分类',
	title varchar(100) comment '评优档案名称',
	content varchar(100) comment '内容',
	fileUrl varchar(100) comment '附件',
	insertDate datetime comment '上传时间'
) comment '教学评优档案';

老师表创建语句如下:


create table t_teacher(
	id int primary key auto_increment comment '主键',
	username varchar(100) comment '账号',
	password varchar(100) comment '密码',
	teacherName varchar(100) comment '姓名',
	headPic varchar(100) comment '头像',
	phone varchar(100) comment '电话',
	age varchar(100) comment '年龄',
	xy varchar(100) comment '学院',
	zw varchar(100) comment '职位',
	zc varchar(100) comment '职称',
	js varchar(100) comment '角色'
) comment '老师';

公告表创建语句如下:


create table t_tongzhi(
	id int primary key auto_increment comment '主键',
	title varchar(100) comment '标题',
	pic varchar(100) comment '图片',
	content varchar(100) comment '详细内容',
	showDate datetime comment '日期'
) comment '公告';

邮件表创建语句如下:


create table t_xiaoxi(
	id int primary key auto_increment comment '主键',
	teacherId int comment '发起人',
	toId int comment '接收人',
	title varchar(100) comment '消息',
	pic varchar(100) comment '图片',
	fileUrl varchar(100) comment '附件',
	insertDate datetime comment '日期'
) comment '邮件';

学院工作申请表创建语句如下:


create table t_xygz(
	id int primary key auto_increment comment '主键',
	teacherId int comment '老师',
	types varchar(100) comment '类型',
	title varchar(100) comment '标题',
	content varchar(100) comment '说明',
	fileUrl varchar(100) comment '附件',
	insertDate datetime comment '申请时间',
	status varchar(100) comment '状态',
	back varchar(100) comment '说明'
) comment '学院工作申请';

日常教学档案管理系统oracle数据库版本源码:

超级管理员表创建语句如下:


create table t_admin(
	id integer,
	username varchar(100),
	password varchar(100)
);
insert into t_admin(id,username,password) values(1,'admin','123456');
--超级管理员字段加注释
comment on column t_admin.id is '主键';
comment on column t_admin.username is '超级管理员账号';
comment on column t_admin.password is '超级管理员密码';
--超级管理员表加注释
comment on table t_admin is '超级管理员';

教学档案表创建语句如下:


create table t_jxda(
	id integer,
	teacherId int,
	types varchar(100),
	title varchar(100),
	content varchar(100),
	fileUrl varchar(100),
	insertDate datetime
);
--教学档案字段加注释
comment on column t_jxda.id is '主键';
comment on column t_jxda.teacherId is '老师';
comment on column t_jxda.types is '分类';
comment on column t_jxda.title is '档案名称';
comment on column t_jxda.content is '描述';
comment on column t_jxda.fileUrl is '附件';
comment on column t_jxda.insertDate is '上传时间';
--教学档案表加注释
comment on table t_jxda is '教学档案';

教学评优档案表创建语句如下:


create table t_jxpy(
	id integer,
	teacherId int,
	types varchar(100),
	title varchar(100),
	content varchar(100),
	fileUrl varchar(100),
	insertDate datetime
);
--教学评优档案字段加注释
comment on column t_jxpy.id is '主键';
comment on column t_jxpy.teacherId is '老师';
comment on column t_jxpy.types is '分类';
comment on column t_jxpy.title is '评优档案名称';
comment on column t_jxpy.content is '内容';
comment on column t_jxpy.fileUrl is '附件';
comment on column t_jxpy.insertDate is '上传时间';
--教学评优档案表加注释
comment on table t_jxpy is '教学评优档案';

老师表创建语句如下:


create table t_teacher(
	id integer,
	username varchar(100),
	password varchar(100),
	teacherName varchar(100),
	headPic varchar(100),
	phone varchar(100),
	age varchar(100),
	xy varchar(100),
	zw varchar(100),
	zc varchar(100),
	js varchar(100)
);
--老师字段加注释
comment on column t_teacher.id is '主键';
comment on column t_teacher.username is '账号';
comment on column t_teacher.password is '密码';
comment on column t_teacher.teacherName is '姓名';
comment on column t_teacher.headPic is '头像';
comment on column t_teacher.phone is '电话';
comment on column t_teacher.age is '年龄';
comment on column t_teacher.xy is '学院';
comment on column t_teacher.zw is '职位';
comment on column t_teacher.zc is '职称';
comment on column t_teacher.js is '角色';
--老师表加注释
comment on table t_teacher is '老师';

公告表创建语句如下:


create table t_tongzhi(
	id integer,
	title varchar(100),
	pic varchar(100),
	content varchar(100),
	showDate datetime
);
--公告字段加注释
comment on column t_tongzhi.id is '主键';
comment on column t_tongzhi.title is '标题';
comment on column t_tongzhi.pic is '图片';
comment on column t_tongzhi.content is '详细内容';
comment on column t_tongzhi.showDate is '日期';
--公告表加注释
comment on table t_tongzhi is '公告';

邮件表创建语句如下:


create table t_xiaoxi(
	id integer,
	teacherId int,
	toId int,
	title varchar(100),
	pic varchar(100),
	fileUrl varchar(100),
	insertDate datetime
);
--邮件字段加注释
comment on column t_xiaoxi.id is '主键';
comment on column t_xiaoxi.teacherId is '发起人';
comment on column t_xiaoxi.toId is '接收人';
comment on column t_xiaoxi.title is '消息';
comment on column t_xiaoxi.pic is '图片';
comment on column t_xiaoxi.fileUrl is '附件';
comment on column t_xiaoxi.insertDate is '日期';
--邮件表加注释
comment on table t_xiaoxi is '邮件';

学院工作申请表创建语句如下:


create table t_xygz(
	id integer,
	teacherId int,
	types varchar(100),
	title varchar(100),
	content varchar(100),
	fileUrl varchar(100),
	insertDate datetime,
	status varchar(100),
	back varchar(100)
);
--学院工作申请字段加注释
comment on column t_xygz.id is '主键';
comment on column t_xygz.teacherId is '老师';
comment on column t_xygz.types is '类型';
comment on column t_xygz.title is '标题';
comment on column t_xygz.content is '说明';
comment on column t_xygz.fileUrl is '附件';
comment on column t_xygz.insertDate is '申请时间';
comment on column t_xygz.status is '状态';
comment on column t_xygz.back is '说明';
--学院工作申请表加注释
comment on table t_xygz is '学院工作申请';

oracle特有,对应序列如下:


create sequence s_t_jxda;
create sequence s_t_jxpy;
create sequence s_t_teacher;
create sequence s_t_tongzhi;
create sequence s_t_xiaoxi;
create sequence s_t_xygz;

日常教学档案管理系统sqlserver数据库版本源码:

超级管理员表创建语句如下:


--超级管理员
create table t_admin(
	id int identity(1,1) primary key not null,--主键
	username varchar(100),--超级管理员账号
	password varchar(100)--超级管理员密码
);
insert into t_admin(username,password) values('admin','123456');

教学档案表创建语句如下:


--教学档案表注释
create table t_jxda(
	id int identity(1,1) primary key not null,--主键
	teacherId int,--老师
	types varchar(100),--分类
	title varchar(100),--档案名称
	content varchar(100),--描述
	fileUrl varchar(100),--附件
	insertDate datetime--上传时间
);

教学评优档案表创建语句如下:


--教学评优档案表注释
create table t_jxpy(
	id int identity(1,1) primary key not null,--主键
	teacherId int,--老师
	types varchar(100),--分类
	title varchar(100),--评优档案名称
	content varchar(100),--内容
	fileUrl varchar(100),--附件
	insertDate datetime--上传时间
);

老师表创建语句如下:


--老师表注释
create table t_teacher(
	id int identity(1,1) primary key not null,--主键
	username varchar(100),--账号
	password varchar(100),--密码
	teacherName varchar(100),--姓名
	headPic varchar(100),--头像
	phone varchar(100),--电话
	age varchar(100),--年龄
	xy varchar(100),--学院
	zw varchar(100),--职位
	zc varchar(100),--职称
	js varchar(100)--角色
);

公告表创建语句如下:


--公告表注释
create table t_tongzhi(
	id int identity(1,1) primary key not null,--主键
	title varchar(100),--标题
	pic varchar(100),--图片
	content varchar(100),--详细内容
	showDate datetime--日期
);

邮件表创建语句如下:


--邮件表注释
create table t_xiaoxi(
	id int identity(1,1) primary key not null,--主键
	teacherId int,--发起人
	toId int,--接收人
	title varchar(100),--消息
	pic varchar(100),--图片
	fileUrl varchar(100),--附件
	insertDate datetime--日期
);

学院工作申请表创建语句如下:


--学院工作申请表注释
create table t_xygz(
	id int identity(1,1) primary key not null,--主键
	teacherId int,--老师
	types varchar(100),--类型
	title varchar(100),--标题
	content varchar(100),--说明
	fileUrl varchar(100),--附件
	insertDate datetime,--申请时间
	status varchar(100),--状态
	back varchar(100)--说明
);

日常教学档案管理系统登录后主页

日常教学档案管理系统spring+springMVC+hibernate框架对象(javaBean,pojo)设计:

教学档案javaBean创建语句如下:


package project.model;
import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.GenerationType;
import javax.persistence.Id;
import javax.persistence.Table;
import java.util.Date;
@Entity

//教学档案
@Table(name = "t_jxda")
public class Jxda {
//主键
@Id
@Column(name = "id")
@GeneratedValue(strategy = GenerationType.IDENTITY)
private Integer id;
public Integer getId() {return id;}
public void setId(Integer id) {this.id = id;}
//老师
private Integer teacherId;
//分类
private String types;
//档案名称
private String title;
//描述
private String content;
//附件
private String fileUrl;
//上传时间
private Date insertDate;
public Integer getTeacherId() {return teacherId;}
public void setTeacherId(Integer teacherId) {this.teacherId = teacherId;}
public String getTypes() {return types;}
public void setTypes(String types) {this.types = types;}
public String getTitle() {return title;}
public void setTitle(String title) {this.title = title;}
public String getContent() {return content;}
public void setContent(String content) {this.content = content;}
public String getFileUrl() {return fileUrl;}
public void setFileUrl(String fileUrl) {this.fileUrl = fileUrl;}
public Date getInsertDate() {return insertDate;}
public void setInsertDate(Date insertDate) {this.insertDate = insertDate;}
}

教学评优档案javaBean创建语句如下:


package project.model;
import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.GenerationType;
import javax.persistence.Id;
import javax.persistence.Table;
import java.util.Date;
@Entity

//教学评优档案
@Table(name = "t_jxpy")
public class Jxpy {
//主键
@Id
@Column(name = "id")
@GeneratedValue(strategy = GenerationType.IDENTITY)
private Integer id;
public Integer getId() {return id;}
public void setId(Integer id) {this.id = id;}
//老师
private Integer teacherId;
//分类
private String types;
//评优档案名称
private String title;
//内容
private String content;
//附件
private String fileUrl;
//上传时间
private Date insertDate;
public Integer getTeacherId() {return teacherId;}
public void setTeacherId(Integer teacherId) {this.teacherId = teacherId;}
public String getTypes() {return types;}
public void setTypes(String types) {this.types = types;}
public String getTitle() {return title;}
public void setTitle(String title) {this.title = title;}
public String getContent() {return content;}
public void setContent(String content) {this.content = content;}
public String getFileUrl() {return fileUrl;}
public void setFileUrl(String fileUrl) {this.fileUrl = fileUrl;}
public Date getInsertDate() {return insertDate;}
public void setInsertDate(Date insertDate) {this.insertDate = insertDate;}
}

老师javaBean创建语句如下:


package project.model;
import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.GenerationType;
import javax.persistence.Id;
import javax.persistence.Table;
import java.util.Date;
@Entity

//老师
@Table(name = "t_teacher")
public class Teacher {
//主键
@Id
@Column(name = "id")
@GeneratedValue(strategy = GenerationType.IDENTITY)
private Integer id;
public Integer getId() {return id;}
public void setId(Integer id) {this.id = id;}
//账号
private String username;
//密码
private String password;
//姓名
private String teacherName;
//头像
private String headPic;
//电话
private String phone;
//年龄
private String age;
//学院
private String xy;
//职位
private String zw;
//职称
private String zc;
//角色
private String js;
public String getUsername() {return username;}
public void setUsername(String username) {this.username = username;}
public String getPassword() {return password;}
public void setPassword(String password) {this.password = password;}
public String getTeacherName() {return teacherName;}
public void setTeacherName(String teacherName) {this.teacherName = teacherName;}
public String getHeadPic() {return headPic;}
public void setHeadPic(String headPic) {this.headPic = headPic;}
public String getPhone() {return phone;}
public void setPhone(String phone) {this.phone = phone;}
public String getAge() {return age;}
public void setAge(String age) {this.age = age;}
public String getXy() {return xy;}
public void setXy(String xy) {this.xy = xy;}
public String getZw() {return zw;}
public void setZw(String zw) {this.zw = zw;}
public String getZc() {return zc;}
public void setZc(String zc) {this.zc = zc;}
public String getJs() {return js;}
public void setJs(String js) {this.js = js;}
}

公告javaBean创建语句如下:


package project.model;
import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.GenerationType;
import javax.persistence.Id;
import javax.persistence.Table;
import java.util.Date;
@Entity

//公告
@Table(name = "t_tongzhi")
public class Tongzhi {
//主键
@Id
@Column(name = "id")
@GeneratedValue(strategy = GenerationType.IDENTITY)
private Integer id;
public Integer getId() {return id;}
public void setId(Integer id) {this.id = id;}
//标题
private String title;
//图片
private String pic;
//详细内容
private String content;
//日期
private Date showDate;
public String getTitle() {return title;}
public void setTitle(String title) {this.title = title;}
public String getPic() {return pic;}
public void setPic(String pic) {this.pic = pic;}
public String getContent() {return content;}
public void setContent(String content) {this.content = content;}
public Date getShowDate() {return showDate;}
public void setShowDate(Date showDate) {this.showDate = showDate;}
}

邮件javaBean创建语句如下:


package project.model;
import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.GenerationType;
import javax.persistence.Id;
import javax.persistence.Table;
import java.util.Date;
@Entity

//邮件
@Table(name = "t_xiaoxi")
public class Xiaoxi {
//主键
@Id
@Column(name = "id")
@GeneratedValue(strategy = GenerationType.IDENTITY)
private Integer id;
public Integer getId() {return id;}
public void setId(Integer id) {this.id = id;}
//发起人
private Integer teacherId;
//接收人
private Integer toId;
//消息
private String title;
//图片
private String pic;
//附件
private String fileUrl;
//日期
private Date insertDate;
public Integer getTeacherId() {return teacherId;}
public void setTeacherId(Integer teacherId) {this.teacherId = teacherId;}
public Integer getToId() {return toId;}
public void setToId(Integer toId) {this.toId = toId;}
public String getTitle() {return title;}
public void setTitle(String title) {this.title = title;}
public String getPic() {return pic;}
public void setPic(String pic) {this.pic = pic;}
public String getFileUrl() {return fileUrl;}
public void setFileUrl(String fileUrl) {this.fileUrl = fileUrl;}
public Date getInsertDate() {return insertDate;}
public void setInsertDate(Date insertDate) {this.insertDate = insertDate;}
}

学院工作申请javaBean创建语句如下:


package project.model;
import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.GenerationType;
import javax.persistence.Id;
import javax.persistence.Table;
import java.util.Date;
@Entity

//学院工作申请
@Table(name = "t_xygz")
public class Xygz {
//主键
@Id
@Column(name = "id")
@GeneratedValue(strategy = GenerationType.IDENTITY)
private Integer id;
public Integer getId() {return id;}
public void setId(Integer id) {this.id = id;}
//老师
private Integer teacherId;
//类型
private String types;
//标题
private String title;
//说明
private String content;
//附件
private String fileUrl;
//申请时间
private Date insertDate;
//状态
private String status;
//说明
private String back;
public Integer getTeacherId() {return teacherId;}
public void setTeacherId(Integer teacherId) {this.teacherId = teacherId;}
public String getTypes() {return types;}
public void setTypes(String types) {this.types = types;}
public String getTitle() {return title;}
public void setTitle(String title) {this.title = title;}
public String getContent() {return content;}
public void setContent(String content) {this.content = content;}
public String getFileUrl() {return fileUrl;}
public void setFileUrl(String fileUrl) {this.fileUrl = fileUrl;}
public Date getInsertDate() {return insertDate;}
public void setInsertDate(Date insertDate) {this.insertDate = insertDate;}
public String getStatus() {return status;}
public void setStatus(String status) {this.status = status;}
public String getBack() {return back;}
public void setBack(String back) {this.back = back;}
}

日常教学档案管理系统spring+springMVC+mybatis框架对象(javaBean,pojo)设计:

教学档案javaBean创建语句如下:


package project.model;
import org.springframework.format.annotation.DateTimeFormat;
import java.util.Date;

//教学档案
public class Jxda  extends BaseBean{
//主键
private Integer id;
public Integer getId() {return id;}
public void setId(Integer id) {this.id = id;}
//老师
private Integer teacherId;
//分类
private String types;
//档案名称
private String title;
//描述
private String content;
//附件
private String fileUrl;
//上传时间
private Date insertDate;
public Integer getTeacherId() {return teacherId;}
public void setTeacherId(Integer teacherId) {this.teacherId = teacherId;}
public String getTypes() {return types;}
public void setTypes(String types) {this.types = types;}
public String getTitle() {return title;}
public void setTitle(String title) {this.title = title;}
public String getContent() {return content;}
public void setContent(String content) {this.content = content;}
public String getFileUrl() {return fileUrl;}
public void setFileUrl(String fileUrl) {this.fileUrl = fileUrl;}
public Date getInsertDate() {return insertDate;}
public void setInsertDate(Date insertDate) {this.insertDate = insertDate;}
}

教学评优档案javaBean创建语句如下:


package project.model;
import org.springframework.format.annotation.DateTimeFormat;
import java.util.Date;

//教学评优档案
public class Jxpy  extends BaseBean{
//主键
private Integer id;
public Integer getId() {return id;}
public void setId(Integer id) {this.id = id;}
//老师
private Integer teacherId;
//分类
private String types;
//评优档案名称
private String title;
//内容
private String content;
//附件
private String fileUrl;
//上传时间
private Date insertDate;
public Integer getTeacherId() {return teacherId;}
public void setTeacherId(Integer teacherId) {this.teacherId = teacherId;}
public String getTypes() {return types;}
public void setTypes(String types) {this.types = types;}
public String getTitle() {return title;}
public void setTitle(String title) {this.title = title;}
public String getContent() {return content;}
public void setContent(String content) {this.content = content;}
public String getFileUrl() {return fileUrl;}
public void setFileUrl(String fileUrl) {this.fileUrl = fileUrl;}
public Date getInsertDate() {return insertDate;}
public void setInsertDate(Date insertDate) {this.insertDate = insertDate;}
}

老师javaBean创建语句如下:


package project.model;
import org.springframework.format.annotation.DateTimeFormat;
import java.util.Date;

//老师
public class Teacher  extends BaseBean{
//主键
private Integer id;
public Integer getId() {return id;}
public void setId(Integer id) {this.id = id;}
//账号
private String username;
//密码
private String password;
//姓名
private String teacherName;
//头像
private String headPic;
//电话
private String phone;
//年龄
private String age;
//学院
private String xy;
//职位
private String zw;
//职称
private String zc;
//角色
private String js;
public String getUsername() {return username;}
public void setUsername(String username) {this.username = username;}
public String getPassword() {return password;}
public void setPassword(String password) {this.password = password;}
public String getTeacherName() {return teacherName;}
public void setTeacherName(String teacherName) {this.teacherName = teacherName;}
public String getHeadPic() {return headPic;}
public void setHeadPic(String headPic) {this.headPic = headPic;}
public String getPhone() {return phone;}
public void setPhone(String phone) {this.phone = phone;}
public String getAge() {return age;}
public void setAge(String age) {this.age = age;}
public String getXy() {return xy;}
public void setXy(String xy) {this.xy = xy;}
public String getZw() {return zw;}
public void setZw(String zw) {this.zw = zw;}
public String getZc() {return zc;}
public void setZc(String zc) {this.zc = zc;}
public String getJs() {return js;}
public void setJs(String js) {this.js = js;}
}

公告javaBean创建语句如下:


package project.model;
import org.springframework.format.annotation.DateTimeFormat;
import java.util.Date;

//公告
public class Tongzhi  extends BaseBean{
//主键
private Integer id;
public Integer getId() {return id;}
public void setId(Integer id) {this.id = id;}
//标题
private String title;
//图片
private String pic;
//详细内容
private String content;
//日期
private Date showDate;
public String getTitle() {return title;}
public void setTitle(String title) {this.title = title;}
public String getPic() {return pic;}
public void setPic(String pic) {this.pic = pic;}
public String getContent() {return content;}
public void setContent(String content) {this.content = content;}
public Date getShowDate() {return showDate;}
public void setShowDate(Date showDate) {this.showDate = showDate;}
}

邮件javaBean创建语句如下:


package project.model;
import org.springframework.format.annotation.DateTimeFormat;
import java.util.Date;

//邮件
public class Xiaoxi  extends BaseBean{
//主键
private Integer id;
public Integer getId() {return id;}
public void setId(Integer id) {this.id = id;}
//发起人
private Integer teacherId;
//接收人
private Integer toId;
//消息
private String title;
//图片
private String pic;
//附件
private String fileUrl;
//日期
private Date insertDate;
public Integer getTeacherId() {return teacherId;}
public void setTeacherId(Integer teacherId) {this.teacherId = teacherId;}
public Integer getToId() {return toId;}
public void setToId(Integer toId) {this.toId = toId;}
public String getTitle() {return title;}
public void setTitle(String title) {this.title = title;}
public String getPic() {return pic;}
public void setPic(String pic) {this.pic = pic;}
public String getFileUrl() {return fileUrl;}
public void setFileUrl(String fileUrl) {this.fileUrl = fileUrl;}
public Date getInsertDate() {return insertDate;}
public void setInsertDate(Date insertDate) {this.insertDate = insertDate;}
}

学院工作申请javaBean创建语句如下:


package project.model;
import org.springframework.format.annotation.DateTimeFormat;
import java.util.Date;

//学院工作申请
public class Xygz  extends BaseBean{
//主键
private Integer id;
public Integer getId() {return id;}
public void setId(Integer id) {this.id = id;}
//老师
private Integer teacherId;
//类型
private String types;
//标题
private String title;
//说明
private String content;
//附件
private String fileUrl;
//申请时间
private Date insertDate;
//状态
private String status;
//说明
private String back;
public Integer getTeacherId() {return teacherId;}
public void setTeacherId(Integer teacherId) {this.teacherId = teacherId;}
public String getTypes() {return types;}
public void setTypes(String types) {this.types = types;}
public String getTitle() {return title;}
public void setTitle(String title) {this.title = title;}
public String getContent() {return content;}
public void setContent(String content) {this.content = content;}
public String getFileUrl() {return fileUrl;}
public void setFileUrl(String fileUrl) {this.fileUrl = fileUrl;}
public Date getInsertDate() {return insertDate;}
public void setInsertDate(Date insertDate) {this.insertDate = insertDate;}
public String getStatus() {return status;}
public void setStatus(String status) {this.status = status;}
public String getBack() {return back;}
public void setBack(String back) {this.back = back;}
}

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