Scala项目(图书管理系统)

4、models

BookModel

package org.app
package models// 图书类
// id, 书名，作者，available:是否可外借
case class BookModel(id: Int, name: String, author: String, var available:Boolean){override def toString: String = {val availableStr = if(available) "可外借" else "已借出"s"编号：$id \t $name  \t $author, $availableStr"}
}

BorrowRecordModel

package org.app
package models// 借阅记录类
case class BorrowRecordModel(userName: String, // 借书人bookID:Int, // 书IDbookName: String, // 书名borrowDate: String, // 借书日期returnDate: Option[String] = None // 归还日期)

UserModel

package org.app
package modelscase class UserModel(username:String,password:String,role: String // 普通用户，管理员) {}