From f8d57afa1478d7461ba0f7dab34ada80aff11516 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E5=8F=B6=E9=A2=80?= <1171269206@qq.com>
Date: Wed, 28 Apr 2021 08:57:35 +0800
Subject: [PATCH] java

---
 .../Deom01 - \345\211\257\346\234\254.bat"    | 544 ++++++++++++++++++
 .../\345\217\266\351\242\200/Deom01.java"     | 544 ++++++++++++++++++
 2 files changed, 1088 insertions(+)
 create mode 100644 "Java\351\241\271\347\233\256_\347\274\226\350\257\221\347\211\210/\347\254\2541\345\260\217\347\273\204/\345\217\266\351\242\200/Deom01 - \345\211\257\346\234\254.bat"
 create mode 100644 "Java\351\241\271\347\233\256_\347\274\226\350\257\221\347\211\210/\347\254\2541\345\260\217\347\273\204/\345\217\266\351\242\200/Deom01.java"

diff --git "a/Java\351\241\271\347\233\256_\347\274\226\350\257\221\347\211\210/\347\254\2541\345\260\217\347\273\204/\345\217\266\351\242\200/Deom01 - \345\211\257\346\234\254.bat" "b/Java\351\241\271\347\233\256_\347\274\226\350\257\221\347\211\210/\347\254\2541\345\260\217\347\273\204/\345\217\266\351\242\200/Deom01 - \345\211\257\346\234\254.bat"
new file mode 100644
index 0000000..b665d82
--- /dev/null
+++ "b/Java\351\241\271\347\233\256_\347\274\226\350\257\221\347\211\210/\347\254\2541\345\260\217\347\273\204/\345\217\266\351\242\200/Deom01 - \345\211\257\346\234\254.bat"	
@@ -0,0 +1,544 @@
+import java.util.Scanner;
+
+public class Deom01 {
+
+	static Scanner abc = new Scanner(System.in);
+	static String[][] users = new String[20][4];
+	static String[][] books = new String[20][5];
+	static String[][] press = new String[20][3];
+
+	public static void main(String[] args) {
+		init();
+		homepage();
+	}
+
+	private static void init() { // 初始化
+		users[0][0] = "学习部";
+		users[0][1] = "admin";
+		users[0][2] = "123";
+		users[0][3] = "管理员";
+
+		users[1][0] = "学习部";
+		users[1][1] = "张三";
+		users[1][2] = "123";
+		users[1][3] = "普通用户";
+
+		users[2][0] = "体育部";
+		users[2][1] = "李四";
+		users[2][2] = "123";
+		users[2][3] = "普通用户";
+
+		users[3][0] = "宣传部";
+		users[3][1] = "王五";
+		users[3][2] = "123";
+		users[3][3] = "普通用户";
+
+		books[0][0] = "9781234567";
+		books[0][1] = "高数";
+		books[0][2] = "50";
+		books[0][3] = "北京出版社";
+		books[0][4] = "张三";
+
+		books[1][0] = "9789261347";
+		books[1][1] = "体育与健康";
+		books[1][2] = "30";
+		books[1][3] = "南京出版社";
+		books[1][4] = "李四";
+
+		books[2][0] = "9789754312";
+		books[2][1] = "宣传手册";
+		books[2][2] = "10";
+		books[2][3] = "东京出版社";
+		books[2][4] = "王五";
+
+		books[3][0] = "9781231358";
+		books[3][1] = "大学英语";
+		books[3][2] = "50";
+		books[3][3] = "南京出版社";
+		books[3][4] = "张三";
+
+		press[0][0] = "北京出版社";
+		press[0][1] = "北京";
+		press[0][2] = "张三";
+
+		press[1][0] = "南京出版社";
+		press[1][1] = "南京";
+		press[1][2] = "李四";
+
+		press[2][0] = "东京出版社";
+		press[2][1] = "东京";
+		press[2][2] = "王五";
+
+		press[3][0] = "天津出版社";
+		press[3][1] = "天津";
+		press[3][2] = "admin";
+	}
+
+	private static void homepage() { // 欢迎
+		while (true) {
+			System.out.println("欢迎来到闽大图书管理系统！");
+			System.out.println("请输入数字进行选择：1.登录 2.注册");
+
+			int key1 = abc.nextInt();
+
+			if (key1 == 1) {
+				login();
+			} else if (key1 == 2) {
+				register();
+			} else {
+				System.out.println("输入错误！请重新输入");
+			}
+		}
+	}
+
+	private static void login() { // 登录
+		System.out.println("请输入用户名：");
+		String usersname = abc.next();
+
+		System.out.println("请输入密码：");
+		String password = abc.next();
+
+		boolean flag1 = false;
+
+		for (int i = 0; i < users.length; i++) {
+			if (usersname.equals(users[i][1]) && password.equals(users[i][2])) {
+				flag1 = true;
+				break;
+			}
+		}
+		if (flag1 == true) {
+			System.out.println("登录成功！");
+			system();
+		} else {
+			System.out.println("该用户不存在或者密码错误！请重新登录！");
+			homepage();
+		}
+
+	}
+
+	private static void register() { // 注册
+		int index1 = -1;
+
+		for (int i = 0; i < users.length; i++) {
+			if (users[i][0] == null) {
+				index1 = i;
+				break;
+			}
+		}
+
+		System.out.println("请输入所属部门：");
+		users[index1][0] = abc.next();
+
+		System.out.println("请输入用户名：");
+		users[index1][1] = abc.next();
+
+		System.out.println("请设置登录密码：");
+		users[index1][2] = abc.next();
+
+		users[index1][3] = "普通用户";
+
+		System.out.println("注册成功！");
+
+	}
+
+	private static void system() { // 欢迎您使用闽大书籍管理系统
+		System.out.println("欢迎您使用闽大书籍管理系统！！！");
+		System.out.println("请输入数字进行选择：1 图书管理  2 出版社管理  3 退出登录  4 退出系统");
+
+		int key2 = abc.nextInt();
+
+		switch (key2) {
+		case 1:
+			Library();
+			break;
+		case 2:
+			press1();
+			break;
+		case 3:
+			System.out.println("已退出登录！");
+			homepage();
+			break;
+		case 4:
+			System.exit(0);
+			break;
+		}
+
+	}
+
+	private static void Library() { // 图书管理系统
+		while (true) {
+			System.out.println("请输入：1.增加 2.删除 3.更新 4.查询 5.返回上一级菜单");
+
+			int b1 = abc.nextInt();
+
+			switch (b1) {
+			case 1: // 增加
+				zengjia1();
+				break;
+			case 2: // 删除
+				shanchu1();
+				break;
+			case 3: // 更新
+				gengxin1();
+				break;
+			case 4: // 查询
+				chaxun1();
+				break;
+
+			case 5: // 返回上一级
+				system();
+				break;
+
+			}
+		}
+
+	}
+
+	private static void zengjia1() { // 增加图书
+		int index2 = -1;
+		for (int i = 0; i < books.length; i++) {
+			if (users[i][0] == null) {
+				index2 = i;
+				break;
+			}
+		}
+		System.out.println("请输入图书ISBN:");
+		String num = abc.next();
+
+		boolean flag2 = false;
+		for (int i = 0; i < books.length; i++) {
+			if (num.equals(books[i][0])) {
+				flag2 = true;
+				break;
+			}
+			if (flag2 == true) {
+				System.out.println("增加失败！");
+				System.out.println("ISBN重复，请重新输入ISBN");
+
+			} else {
+				books[index2][0] = num;
+				System.out.println("请输入书名:");
+				books[index2][1] = abc.next();
+
+				System.out.println("请输入价格:");
+				books[index2][2] = abc.next();
+
+				System.out.println("请输入出版社:");
+				books[index2][3] = abc.next();
+
+				System.out.println("请输入作者:");
+				books[index2][4] = abc.next();
+
+				System.out.println("增加成功！");
+
+				break;
+			}
+
+		}
+	}
+
+	private static void shanchu1() { // 删除图书
+		System.out.println("请输入要删除的书本名：");
+		String index3 = abc.next();
+		int ocxigus = -1;
+		for (int i = 0; i < books.length; i++) {
+			if (books[i][1] != null) {
+				if (index3.equals(books[i][1])) {
+					ocxigus = i;
+				}
+			}
+		}
+				if (ocxigus != -1) {									
+					books[ocxigus][0] = null;
+					books[ocxigus][1] = null;
+					books[ocxigus][2] = null;
+					books[ocxigus][3] = null;
+					books[ocxigus][4] = null;
+					System.out.println("删除成功！");					
+				} else {
+					System.out.println("没有此图书！请重新输入！");
+				}
+	}
+
+	private static void chaxun1() { // 查询图书
+		System.out.println("请输入查询种类：1.ISBN 2.书名（模糊） 3.出版社 4. 作者 5. 价格范围 6.查询所有 7.返回上一级");
+		int key3 = abc.nextInt();
+		switch (key3) {
+		case 1:// ISBN
+			System.out.println("请输入要查找的ISBN：");
+			String asdf = abc.next();
+
+			int zxgy = -1;
+			boolean zlxgkj = false;
+			for (int i = 0; i < books.length; i++) {
+				if (asdf.equals(books[i][0])) {
+					zlxgkj = true;
+					zxgy = i;
+				}
+			}
+			if (zlxgkj == true) {
+				System.out.println("ISBN\t\t书名\t价格\t出版社\t作者");
+				for (int i = 0; i < books.length; i++) {
+					for (int j = 0; j < books[i].length; j++) {
+						System.out.print(books[zxgy][j] + "\t");
+					}
+					break;
+				}
+			}
+			System.out.println();
+			break;
+		case 2:// 书名（模糊）
+			System.out.println("请输入要查找的关键字：");
+			String prf = abc.next();
+
+			System.out.println("ISBN\t\t书名\t价格\t出版社\t作者");
+			for (int i = 0; i < books.length; i++) {
+				if (books[i][1] != null) {
+					if (prf.indexOf(books[i][1]) != -1) {
+						for (int j = 0; j < books[i].length; j++) {
+							System.out.print(books[i][j] + "\t");
+						}
+					} else {
+						System.out.println();
+						System.out.println("没有与此关键字有关的图书！请重新输入！");
+						break;
+					}
+				}
+			}
+			System.out.println();
+			break;
+		case 3:// 出版社
+			System.out.println("请输入要查找的出版社：");
+			String qwe = abc.next();
+
+			System.out.println("ISBN\t\t书名\t价格\t出版社\t作者");
+			for (int i = 0; i < books.length; i++) {
+				if (qwe.equals(books[i][3])) {
+					for (int j = 0; j < books[i].length; j++) {
+						System.out.print(books[i][j] + "\t");
+					}
+				}
+			}
+			System.out.println();
+			break;
+		case 4:// 作者
+			System.out.println("请输入要查找的作者：");
+			String rty = abc.next();
+
+			System.out.println("ISBN\t\t书名\t价格\t出版社\t\t作者");
+			for (int i = 0; i < books.length; i++) {
+				if (books[i][0] != null && rty.equals(books[i][4])) {
+					System.out.print(books[i][0] + "\t" + books[i][1] + "\t" + books[i][2] + "\t" + books[i][3] + "\t"+ books[i][4]);
+					System.out.println();
+				}
+			}
+
+			break;
+		case 5:// 价格范围
+			System.out.println("请输入要查找的价格范围：");
+			System.out.println("请输入最低价格：");
+			int min = abc.nextInt();
+
+			System.out.println("请输入最高价格：");
+			int max = abc.nextInt();
+
+			System.out.println("ISBN\t\t书名\t价格\t出版社\t作者");
+			for (int i = 0; i < books.length; i++) {
+				if (min <= Integer.parseInt(books[i][2]) && Integer.parseInt(books[i][2]) <= max) {
+					for (int j = 0; j < books[i].length; j++) {
+						System.out.print(books[i][j] + "\t");
+					}
+					System.out.println();
+				}
+				break;
+			}
+			break;
+		case 6:// 查询所有
+			System.out.println("ISBN\t\t书名\t价格\t出版社\t作者");
+			for (int i = 0; i < books.length; i++) {
+				if (books[i][0] != null) {
+					for (int j = 0; j < books[i].length; j++) {
+						if (books[i][0] != null) {
+							System.out.print(books[i][j] + "\t");
+						}
+					}
+					System.out.println();
+				}
+			}
+			System.out.println();
+			break;
+		case 7:// 返回上一级
+			Library();
+			break;
+		}
+	}
+
+	private static void gengxin1() { // 更新图书
+		System.out.println("请输入ISBN号：");
+		String zxc = abc.next();	
+		int xclibhy = -1;
+		System.out.println("ISBN\t\t书名\t价格\t出版社\t\t作者");
+		for (int i = 0; i < books.length; i++) {
+			if (books[i][0] != null && zxc.equals(books[i][0])) {
+				System.out.print(books[i][0] + "\t" + books[i][1] + "\t" + books[i][2] + "\t" + books[i][3] + "\t"+ books[i][4]);
+				System.out.println();
+				xclibhy = i;
+			}
+		}
+		
+		if (xclibhy != -1) {			
+		System.out.println("请输入新的书名：");
+		books[xclibhy][1] = abc.next();
+
+		System.out.println("请输入新的价格：");
+		books[xclibhy][2] = abc.next();
+
+		System.out.println("请输入新的出版社：");
+		books[xclibhy][3] = abc.next();
+
+		System.out.println("请输入新的作者：");
+		books[xclibhy][4] = abc.next();
+
+		System.out.println("更新成功！！！");		
+		} else {
+			System.out.println("没有此图书！请重新输入！");						
+		}
+	}
+
+	private static void press1() { // 出版社
+		while (true) {
+
+			System.out.println("请输入：1.增加 2.删除 3.更新 4.根据出版社名称查询 5.查询所有出版社 6.返回上一级菜单");
+			int key4 = abc.nextInt();
+			switch (key4) {
+			case 1: // 增加
+				zengjia2();
+				break;
+			case 2: // 删除
+				shanchu2();
+				break;
+			case 3: // 更新
+				gengxin2();
+				break;
+			case 4: // 根据出版社名称查询
+				System.out.println("请输入要查找的出版社名称：");
+				String bnm = abc.next();
+
+				System.out.println("出版社名称\t地址\t联系人");
+				for (int i = 0; i < press.length; i++) {
+					if (bnm.equals(press[i][0])) {
+						for (int j = 0; j < press[i].length; j++) {
+							if (press[i][0] != null) {
+								System.out.print(press[i][j] + "\t");
+							}
+						}
+						System.out.println();
+					}
+				}
+				System.out.println();
+				break;
+			case 5: // 查询所有出版社
+				System.out.println("出版社名称\t地址\t联系人");
+				for (int i = 0; i < press.length; i++) {
+					if (press[i][0] != null) {
+						for (int j = 0; j < press[i].length; j++) {
+							if (press[i][0] != null) {
+								System.out.print(press[i][j] + "\t");
+							}
+						}
+						System.out.println();
+					}
+				}
+				System.out.println();
+				break;
+			case 6: // 返回上一级菜单
+				system();
+				break;
+
+			}
+		}
+	}
+
+	private static void zengjia2() { // 增加出版社
+		int index2 = -1;
+		
+		boolean dfhfgh = false;		
+		
+		System.out.println("请输入出版社名称：");
+		String pressname = abc.next();
+		for (int i = 0; i < press.length; i++) {
+			if (pressname == press[i][0] && press[i][0] == null) {
+				dfhfgh = true;
+				index2 = i;
+				break;
+			}			
+		}								
+		if (dfhfgh == true) {
+			press[index2][0] = pressname;
+			
+			System.out.println("请输入出版社地址：");
+			press[index2][1] = abc.next();
+			
+			System.out.println("请输入出版社联系人：");
+			press[index2][2] = abc.next();
+			
+			System.out.println("出版社添加成功！");			
+		}else {
+			System.out.println("已有此出版社！请重新输入！");
+		}
+	}
+
+	private static void shanchu2() { // 删除出版社
+		System.out.println("请输入要删除的出版社名称：");
+		String index4 = abc.next();
+		int xikvhsdog = -1;
+		for (int i = 0; i < press.length; i++) {
+			if (index4.equals(press[i][0])) {
+				if (press[i][0].equals(books[i][3])) {
+					System.out.println("该出版社有相关图书信息存在！不可以删除！如果要删除请先删除所有相关图书信息！！！");
+					System.out.println("删除失败！");
+				} else {
+					xikvhsdog = i;
+				}
+			}
+		}
+				if (xikvhsdog != -1) {
+					press[xikvhsdog][0] = null;
+					press[xikvhsdog][1] = null;
+					press[xikvhsdog][2] = null;
+					System.out.println("删除成功！");					
+				} else {
+					System.out.println("没有此出版社！请重新输入！");	
+				}
+
+	}
+
+	private static void gengxin2() { // 更新出版社
+		System.out.println("请输入要更新的出版社名称：");
+		String cag = abc.next();
+		for (int i = 0; i < press.length; i++) {
+			if (cag.equals(press[i][0])) {
+				System.out.println("出版社名称\t地址\t联系人");
+				if (press[i][0] != null) {
+					for (int j = 0; j < press[i].length; j++) {
+						System.out.print(press[i][j] + "\t");
+					}
+					System.out.println();
+				}
+				System.out.println();
+
+				System.out.println("请输入要更新的地址：");
+				press[i][1] = abc.next();
+
+				System.out.println("请输入新的联系人：");
+				press[i][2] = abc.next();
+
+				System.out.println("更新成功！！！");
+			} else {
+				System.out.println("没有此出版社！请重新输入！");
+				break;
+			}
+		}
+	}
+
+}
\ No newline at end of file
diff --git "a/Java\351\241\271\347\233\256_\347\274\226\350\257\221\347\211\210/\347\254\2541\345\260\217\347\273\204/\345\217\266\351\242\200/Deom01.java" "b/Java\351\241\271\347\233\256_\347\274\226\350\257\221\347\211\210/\347\254\2541\345\260\217\347\273\204/\345\217\266\351\242\200/Deom01.java"
new file mode 100644
index 0000000..b665d82
--- /dev/null
+++ "b/Java\351\241\271\347\233\256_\347\274\226\350\257\221\347\211\210/\347\254\2541\345\260\217\347\273\204/\345\217\266\351\242\200/Deom01.java"
@@ -0,0 +1,544 @@
+import java.util.Scanner;
+
+public class Deom01 {
+
+	static Scanner abc = new Scanner(System.in);
+	static String[][] users = new String[20][4];
+	static String[][] books = new String[20][5];
+	static String[][] press = new String[20][3];
+
+	public static void main(String[] args) {
+		init();
+		homepage();
+	}
+
+	private static void init() { // 初始化
+		users[0][0] = "学习部";
+		users[0][1] = "admin";
+		users[0][2] = "123";
+		users[0][3] = "管理员";
+
+		users[1][0] = "学习部";
+		users[1][1] = "张三";
+		users[1][2] = "123";
+		users[1][3] = "普通用户";
+
+		users[2][0] = "体育部";
+		users[2][1] = "李四";
+		users[2][2] = "123";
+		users[2][3] = "普通用户";
+
+		users[3][0] = "宣传部";
+		users[3][1] = "王五";
+		users[3][2] = "123";
+		users[3][3] = "普通用户";
+
+		books[0][0] = "9781234567";
+		books[0][1] = "高数";
+		books[0][2] = "50";
+		books[0][3] = "北京出版社";
+		books[0][4] = "张三";
+
+		books[1][0] = "9789261347";
+		books[1][1] = "体育与健康";
+		books[1][2] = "30";
+		books[1][3] = "南京出版社";
+		books[1][4] = "李四";
+
+		books[2][0] = "9789754312";
+		books[2][1] = "宣传手册";
+		books[2][2] = "10";
+		books[2][3] = "东京出版社";
+		books[2][4] = "王五";
+
+		books[3][0] = "9781231358";
+		books[3][1] = "大学英语";
+		books[3][2] = "50";
+		books[3][3] = "南京出版社";
+		books[3][4] = "张三";
+
+		press[0][0] = "北京出版社";
+		press[0][1] = "北京";
+		press[0][2] = "张三";
+
+		press[1][0] = "南京出版社";
+		press[1][1] = "南京";
+		press[1][2] = "李四";
+
+		press[2][0] = "东京出版社";
+		press[2][1] = "东京";
+		press[2][2] = "王五";
+
+		press[3][0] = "天津出版社";
+		press[3][1] = "天津";
+		press[3][2] = "admin";
+	}
+
+	private static void homepage() { // 欢迎
+		while (true) {
+			System.out.println("欢迎来到闽大图书管理系统！");
+			System.out.println("请输入数字进行选择：1.登录 2.注册");
+
+			int key1 = abc.nextInt();
+
+			if (key1 == 1) {
+				login();
+			} else if (key1 == 2) {
+				register();
+			} else {
+				System.out.println("输入错误！请重新输入");
+			}
+		}
+	}
+
+	private static void login() { // 登录
+		System.out.println("请输入用户名：");
+		String usersname = abc.next();
+
+		System.out.println("请输入密码：");
+		String password = abc.next();
+
+		boolean flag1 = false;
+
+		for (int i = 0; i < users.length; i++) {
+			if (usersname.equals(users[i][1]) && password.equals(users[i][2])) {
+				flag1 = true;
+				break;
+			}
+		}
+		if (flag1 == true) {
+			System.out.println("登录成功！");
+			system();
+		} else {
+			System.out.println("该用户不存在或者密码错误！请重新登录！");
+			homepage();
+		}
+
+	}
+
+	private static void register() { // 注册
+		int index1 = -1;
+
+		for (int i = 0; i < users.length; i++) {
+			if (users[i][0] == null) {
+				index1 = i;
+				break;
+			}
+		}
+
+		System.out.println("请输入所属部门：");
+		users[index1][0] = abc.next();
+
+		System.out.println("请输入用户名：");
+		users[index1][1] = abc.next();
+
+		System.out.println("请设置登录密码：");
+		users[index1][2] = abc.next();
+
+		users[index1][3] = "普通用户";
+
+		System.out.println("注册成功！");
+
+	}
+
+	private static void system() { // 欢迎您使用闽大书籍管理系统
+		System.out.println("欢迎您使用闽大书籍管理系统！！！");
+		System.out.println("请输入数字进行选择：1 图书管理  2 出版社管理  3 退出登录  4 退出系统");
+
+		int key2 = abc.nextInt();
+
+		switch (key2) {
+		case 1:
+			Library();
+			break;
+		case 2:
+			press1();
+			break;
+		case 3:
+			System.out.println("已退出登录！");
+			homepage();
+			break;
+		case 4:
+			System.exit(0);
+			break;
+		}
+
+	}
+
+	private static void Library() { // 图书管理系统
+		while (true) {
+			System.out.println("请输入：1.增加 2.删除 3.更新 4.查询 5.返回上一级菜单");
+
+			int b1 = abc.nextInt();
+
+			switch (b1) {
+			case 1: // 增加
+				zengjia1();
+				break;
+			case 2: // 删除
+				shanchu1();
+				break;
+			case 3: // 更新
+				gengxin1();
+				break;
+			case 4: // 查询
+				chaxun1();
+				break;
+
+			case 5: // 返回上一级
+				system();
+				break;
+
+			}
+		}
+
+	}
+
+	private static void zengjia1() { // 增加图书
+		int index2 = -1;
+		for (int i = 0; i < books.length; i++) {
+			if (users[i][0] == null) {
+				index2 = i;
+				break;
+			}
+		}
+		System.out.println("请输入图书ISBN:");
+		String num = abc.next();
+
+		boolean flag2 = false;
+		for (int i = 0; i < books.length; i++) {
+			if (num.equals(books[i][0])) {
+				flag2 = true;
+				break;
+			}
+			if (flag2 == true) {
+				System.out.println("增加失败！");
+				System.out.println("ISBN重复，请重新输入ISBN");
+
+			} else {
+				books[index2][0] = num;
+				System.out.println("请输入书名:");
+				books[index2][1] = abc.next();
+
+				System.out.println("请输入价格:");
+				books[index2][2] = abc.next();
+
+				System.out.println("请输入出版社:");
+				books[index2][3] = abc.next();
+
+				System.out.println("请输入作者:");
+				books[index2][4] = abc.next();
+
+				System.out.println("增加成功！");
+
+				break;
+			}
+
+		}
+	}
+
+	private static void shanchu1() { // 删除图书
+		System.out.println("请输入要删除的书本名：");
+		String index3 = abc.next();
+		int ocxigus = -1;
+		for (int i = 0; i < books.length; i++) {
+			if (books[i][1] != null) {
+				if (index3.equals(books[i][1])) {
+					ocxigus = i;
+				}
+			}
+		}
+				if (ocxigus != -1) {									
+					books[ocxigus][0] = null;
+					books[ocxigus][1] = null;
+					books[ocxigus][2] = null;
+					books[ocxigus][3] = null;
+					books[ocxigus][4] = null;
+					System.out.println("删除成功！");					
+				} else {
+					System.out.println("没有此图书！请重新输入！");
+				}
+	}
+
+	private static void chaxun1() { // 查询图书
+		System.out.println("请输入查询种类：1.ISBN 2.书名（模糊） 3.出版社 4. 作者 5. 价格范围 6.查询所有 7.返回上一级");
+		int key3 = abc.nextInt();
+		switch (key3) {
+		case 1:// ISBN
+			System.out.println("请输入要查找的ISBN：");
+			String asdf = abc.next();
+
+			int zxgy = -1;
+			boolean zlxgkj = false;
+			for (int i = 0; i < books.length; i++) {
+				if (asdf.equals(books[i][0])) {
+					zlxgkj = true;
+					zxgy = i;
+				}
+			}
+			if (zlxgkj == true) {
+				System.out.println("ISBN\t\t书名\t价格\t出版社\t作者");
+				for (int i = 0; i < books.length; i++) {
+					for (int j = 0; j < books[i].length; j++) {
+						System.out.print(books[zxgy][j] + "\t");
+					}
+					break;
+				}
+			}
+			System.out.println();
+			break;
+		case 2:// 书名（模糊）
+			System.out.println("请输入要查找的关键字：");
+			String prf = abc.next();
+
+			System.out.println("ISBN\t\t书名\t价格\t出版社\t作者");
+			for (int i = 0; i < books.length; i++) {
+				if (books[i][1] != null) {
+					if (prf.indexOf(books[i][1]) != -1) {
+						for (int j = 0; j < books[i].length; j++) {
+							System.out.print(books[i][j] + "\t");
+						}
+					} else {
+						System.out.println();
+						System.out.println("没有与此关键字有关的图书！请重新输入！");
+						break;
+					}
+				}
+			}
+			System.out.println();
+			break;
+		case 3:// 出版社
+			System.out.println("请输入要查找的出版社：");
+			String qwe = abc.next();
+
+			System.out.println("ISBN\t\t书名\t价格\t出版社\t作者");
+			for (int i = 0; i < books.length; i++) {
+				if (qwe.equals(books[i][3])) {
+					for (int j = 0; j < books[i].length; j++) {
+						System.out.print(books[i][j] + "\t");
+					}
+				}
+			}
+			System.out.println();
+			break;
+		case 4:// 作者
+			System.out.println("请输入要查找的作者：");
+			String rty = abc.next();
+
+			System.out.println("ISBN\t\t书名\t价格\t出版社\t\t作者");
+			for (int i = 0; i < books.length; i++) {
+				if (books[i][0] != null && rty.equals(books[i][4])) {
+					System.out.print(books[i][0] + "\t" + books[i][1] + "\t" + books[i][2] + "\t" + books[i][3] + "\t"+ books[i][4]);
+					System.out.println();
+				}
+			}
+
+			break;
+		case 5:// 价格范围
+			System.out.println("请输入要查找的价格范围：");
+			System.out.println("请输入最低价格：");
+			int min = abc.nextInt();
+
+			System.out.println("请输入最高价格：");
+			int max = abc.nextInt();
+
+			System.out.println("ISBN\t\t书名\t价格\t出版社\t作者");
+			for (int i = 0; i < books.length; i++) {
+				if (min <= Integer.parseInt(books[i][2]) && Integer.parseInt(books[i][2]) <= max) {
+					for (int j = 0; j < books[i].length; j++) {
+						System.out.print(books[i][j] + "\t");
+					}
+					System.out.println();
+				}
+				break;
+			}
+			break;
+		case 6:// 查询所有
+			System.out.println("ISBN\t\t书名\t价格\t出版社\t作者");
+			for (int i = 0; i < books.length; i++) {
+				if (books[i][0] != null) {
+					for (int j = 0; j < books[i].length; j++) {
+						if (books[i][0] != null) {
+							System.out.print(books[i][j] + "\t");
+						}
+					}
+					System.out.println();
+				}
+			}
+			System.out.println();
+			break;
+		case 7:// 返回上一级
+			Library();
+			break;
+		}
+	}
+
+	private static void gengxin1() { // 更新图书
+		System.out.println("请输入ISBN号：");
+		String zxc = abc.next();	
+		int xclibhy = -1;
+		System.out.println("ISBN\t\t书名\t价格\t出版社\t\t作者");
+		for (int i = 0; i < books.length; i++) {
+			if (books[i][0] != null && zxc.equals(books[i][0])) {
+				System.out.print(books[i][0] + "\t" + books[i][1] + "\t" + books[i][2] + "\t" + books[i][3] + "\t"+ books[i][4]);
+				System.out.println();
+				xclibhy = i;
+			}
+		}
+		
+		if (xclibhy != -1) {			
+		System.out.println("请输入新的书名：");
+		books[xclibhy][1] = abc.next();
+
+		System.out.println("请输入新的价格：");
+		books[xclibhy][2] = abc.next();
+
+		System.out.println("请输入新的出版社：");
+		books[xclibhy][3] = abc.next();
+
+		System.out.println("请输入新的作者：");
+		books[xclibhy][4] = abc.next();
+
+		System.out.println("更新成功！！！");		
+		} else {
+			System.out.println("没有此图书！请重新输入！");						
+		}
+	}
+
+	private static void press1() { // 出版社
+		while (true) {
+
+			System.out.println("请输入：1.增加 2.删除 3.更新 4.根据出版社名称查询 5.查询所有出版社 6.返回上一级菜单");
+			int key4 = abc.nextInt();
+			switch (key4) {
+			case 1: // 增加
+				zengjia2();
+				break;
+			case 2: // 删除
+				shanchu2();
+				break;
+			case 3: // 更新
+				gengxin2();
+				break;
+			case 4: // 根据出版社名称查询
+				System.out.println("请输入要查找的出版社名称：");
+				String bnm = abc.next();
+
+				System.out.println("出版社名称\t地址\t联系人");
+				for (int i = 0; i < press.length; i++) {
+					if (bnm.equals(press[i][0])) {
+						for (int j = 0; j < press[i].length; j++) {
+							if (press[i][0] != null) {
+								System.out.print(press[i][j] + "\t");
+							}
+						}
+						System.out.println();
+					}
+				}
+				System.out.println();
+				break;
+			case 5: // 查询所有出版社
+				System.out.println("出版社名称\t地址\t联系人");
+				for (int i = 0; i < press.length; i++) {
+					if (press[i][0] != null) {
+						for (int j = 0; j < press[i].length; j++) {
+							if (press[i][0] != null) {
+								System.out.print(press[i][j] + "\t");
+							}
+						}
+						System.out.println();
+					}
+				}
+				System.out.println();
+				break;
+			case 6: // 返回上一级菜单
+				system();
+				break;
+
+			}
+		}
+	}
+
+	private static void zengjia2() { // 增加出版社
+		int index2 = -1;
+		
+		boolean dfhfgh = false;		
+		
+		System.out.println("请输入出版社名称：");
+		String pressname = abc.next();
+		for (int i = 0; i < press.length; i++) {
+			if (pressname == press[i][0] && press[i][0] == null) {
+				dfhfgh = true;
+				index2 = i;
+				break;
+			}			
+		}								
+		if (dfhfgh == true) {
+			press[index2][0] = pressname;
+			
+			System.out.println("请输入出版社地址：");
+			press[index2][1] = abc.next();
+			
+			System.out.println("请输入出版社联系人：");
+			press[index2][2] = abc.next();
+			
+			System.out.println("出版社添加成功！");			
+		}else {
+			System.out.println("已有此出版社！请重新输入！");
+		}
+	}
+
+	private static void shanchu2() { // 删除出版社
+		System.out.println("请输入要删除的出版社名称：");
+		String index4 = abc.next();
+		int xikvhsdog = -1;
+		for (int i = 0; i < press.length; i++) {
+			if (index4.equals(press[i][0])) {
+				if (press[i][0].equals(books[i][3])) {
+					System.out.println("该出版社有相关图书信息存在！不可以删除！如果要删除请先删除所有相关图书信息！！！");
+					System.out.println("删除失败！");
+				} else {
+					xikvhsdog = i;
+				}
+			}
+		}
+				if (xikvhsdog != -1) {
+					press[xikvhsdog][0] = null;
+					press[xikvhsdog][1] = null;
+					press[xikvhsdog][2] = null;
+					System.out.println("删除成功！");					
+				} else {
+					System.out.println("没有此出版社！请重新输入！");	
+				}
+
+	}
+
+	private static void gengxin2() { // 更新出版社
+		System.out.println("请输入要更新的出版社名称：");
+		String cag = abc.next();
+		for (int i = 0; i < press.length; i++) {
+			if (cag.equals(press[i][0])) {
+				System.out.println("出版社名称\t地址\t联系人");
+				if (press[i][0] != null) {
+					for (int j = 0; j < press[i].length; j++) {
+						System.out.print(press[i][j] + "\t");
+					}
+					System.out.println();
+				}
+				System.out.println();
+
+				System.out.println("请输入要更新的地址：");
+				press[i][1] = abc.next();
+
+				System.out.println("请输入新的联系人：");
+				press[i][2] = abc.next();
+
+				System.out.println("更新成功！！！");
+			} else {
+				System.out.println("没有此出版社！请重新输入！");
+				break;
+			}
+		}
+	}
+
+}
\ No newline at end of file
-- 
Gitee