java 开发练习实现买电影票

谁践踏了优雅 2022-05-17 03:57 169阅读 0赞

<?xml version="1.0" encoding="UTF-8" standalone="no"?>
    <movies>
    
    	<movie>
    		<xh>1</xh>
    		<title>羞羞的铁拳</title>
    		<dy>李乐</dy>
    		<actor>马腾</actor>
    		<lx>喜剧</lx>
    		<price>60</price>
    		<time>13:36</time>
    	</movie>
    	<movie>
    		<lx>2</lx>
    		<title>lol</title>
    		<dy>gelun</dy>
    		<xh>kate</xh>
    		<price>madongmdongdondod25</price>
    		<time>13:00</time>
    	</movie>
    	<movie>
    		<xh>3</xh>
    		<title>lol</title>
    		<dy>卡特</dy>
    		<actor>动漫</actor>
    		<lx />
    		<price>45</price>
    		<time>13:45</time>
    	</movie>
    </movies>

package com.entriy;
    
    import java.io.Serializable;
    
    public class film implements Serializable {
        private String filename;//电影名
        private String date;//观看时间
        private String sno;//座位号
    	public String getFilename() {
    		return filename;
    	}
    	public void setFilename(String filename) {
    		this.filename = filename;
    	}
    	public String getDate() {
    		return date;
    	}
    	public void setDate(String date) {
    		this.date = date;
    	}
    	public String getSno() {
    		return sno;
    	}
    	public void setSno(String sno) {
    		this.sno = sno;
    	}
    	public film(String filename, String date, String sno) {
    		super();
    		this.filename = filename;
    		this.date = date;
    		this.sno = sno;
    	}
    	public film() {
    		super();
    	}
    
    
    }

package com.entry;
    
    import java.io.File;
    import java.io.FileInputStream;
    import java.io.FileOutputStream;
    import java.io.IOException;
    import java.io.ObjectInputStream;
    import java.io.ObjectOutputStream;
    import java.util.ArrayList;
    import java.util.List;
    import java.util.Scanner;
    
    import javax.xml.parsers.DocumentBuilder;
    import javax.xml.parsers.DocumentBuilderFactory;
    import javax.xml.parsers.ParserConfigurationException;
    import javax.xml.transform.OutputKeys;
    import javax.xml.transform.Transformer;
    import javax.xml.transform.TransformerException;
    import javax.xml.transform.TransformerFactory;
    import javax.xml.transform.dom.DOMSource;
    import javax.xml.transform.stream.StreamResult;
    
    import org.w3c.dom.Document;
    import org.w3c.dom.Element;
    import org.w3c.dom.Node;
    import org.w3c.dom.NodeList;
    import org.xml.sax.SAXException;
    
    import com.entry.film;
    
    public class FilmText {
    
    	public static void main(String[] args) throws Exception {
    		// TODO Auto-generated method stub
    		String con = "";
    		do {
    			System.out.println("==欢迎来到 幻影影院  ==");
    			System.out.println("1.员工入口\n2.管理员入口\n3.退出");
    			System.out.println("请选择：");
    			Scanner sca = new Scanner(System.in);
    			int num = sca.nextInt();
    			switch (num) {
    			case 1:
    				log();
    				yg();
    				break;
    			case 2:
    				admin();
    				gly();
    				break;
    			case 3:
    				System.out.println("退出系统成功！");
    				System.exit(0);
    				break;
    			}
    			System.out.println("输入0返回：");
    			con = sca.next();
    		} while (con.equals("0"));
    	}
    
    	// 员工入口
    	public static void yg() throws Exception {
    		Scanner sca = new Scanner(System.in);
    		System.out.println("1.查询电影\n2.购票");
    		int nums = sca.nextInt();
    		switch (nums) {
    		case 1:
    			cat();
    			break;
    		case 2:
    			gp();
    			break;
    		}
    	}
    
    	// 查看
    	public static void cat() throws Exception {
    		DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
    		DocumentBuilder db = dbf.newDocumentBuilder();
    		Document doc = db.parse("src/login.xml");
    		// 获取所有节点
    		NodeList roots = doc.getChildNodes();
    		Node root = roots.item(0);// 获取根节点
    		// System.out.println(root.getNodeName());
    		NodeList movies = root.getChildNodes();
    		System.out.println("\t\t\t欢迎来到动感影城");
    		System.out.println("序号\t电影名称\t导演\t演员\t电影类型\t价格\t时间");
    		for (int i = 0; i < movies.getLength(); i++) {
    			Node movie = movies.item(i);
    			NodeList items = movie.getChildNodes();
    			for (int j = 0; j < items.getLength(); j++) {
    				Node item = items.item(j);
    				if (item.getNodeName().equals("xh")) {
    					System.out.print(item.getTextContent() + "\t");
    				}
    				if (item.getNodeName().equals("title")) {
    					System.out.print(item.getTextContent() + "\t");
    				}
    				if (item.getNodeName().equals("dy")) {
    					System.out.print(item.getTextContent() + "\t");
    				}
    				if (item.getNodeName().equals("actor")) {
    					System.out.print(item.getTextContent() + "\t");
    				}
    				if (item.getNodeName().equals("lx")) {
    					System.out.print(item.getTextContent() + "\t");
    				}
    				if (item.getNodeName().equals("price")) {
    					System.out.print(item.getTextContent() + "\t");
    				}
    				if (item.getNodeName().equals("time")) {
    					System.out.print(item.getTextContent() + "\t");
    				}
    			}
    			System.out.println();
    		}
    	}
    
    	// 购票
    	public static void gp() throws Exception {
    		Scanner sca = new Scanner(System.in);
    		init();
    		String con = "";
    		do {
    			cat();
    			System.out.println("下面为影院的座位结构图：");
    			System.out.println("\t\t\t屏幕");
    			for (int i = 1; i <= 5; i++) {
    				for (int j = 1; j <= 7; j++) {
    					System.out.print(i + "-" + j + "\t");
    				}
    				System.out.println();
    			}
    			sell();
    			System.out.println("是否继续购票  y\\n ");
    			con = sca.next();
    		} while (con.equals("y"));
    	}
    
    	public static void init() throws Exception {
    		File file = new File("D:\\a\\t.txt");
    		if (!file.exists()) {
    			file.createNewFile();
    			FileOutputStream fos = new FileOutputStream(file);
    			ObjectOutputStream op = new ObjectOutputStream(fos);
    			List<film> list = new ArrayList<film>();
    			op.writeObject(list);
    			op.close();
    		}
    	}
    
    	public static void sell() throws Exception {
    		// 先判断 再购买
    		// 购买成功后还要把最新的信息序列化到文本
    		File file = new File("D:\\a\\t.txt");
    		Scanner sca = new Scanner(System.in);
    		System.out.println("请输入要观看的电影");
    		String name = sca.next();
    		System.out.println("请输入要观看的电影时间");
    		String date = sca.next();
    		System.out.println("请输入1.普通票2.学生票3.赠送票");
    		String price = sca.next();
    		System.out.println("请输入座位号 (几排)-(几号)");
    		String sno = sca.next();
    
    		film film1 = new film(name, date, sno);
    		FileInputStream fis = new FileInputStream(file);
    		ObjectInputStream ois = new ObjectInputStream(fis);
    		List<film> list = (List<film>) ois.readObject();
    		ois.close();
    		boolean flag = false;
    		if (list.size() == 0) {
    			// 文本没内容
    			flag = false;
    		} else {
    			for (int j = 0; j < list.size(); j++) {
    				if (((list.get(j).getTitle()).equals(name)
    						&& (list.get(j).getTime()).equals(date) && (list.get(j)
    						.getSeat()).equals(sno))) {
    					flag = true;
    					System.out.println("此票已卖出，请重新选择");
    					sell();
    					break;
    				}
    			}
    			if (flag == false) {
    				System.out.println("购票成功");
    				FileOutputStream fos = new FileOutputStream(file);
    				ObjectOutputStream op = new ObjectOutputStream(fos);
    				list.add(film1);
    				op.writeObject(list);
    				System.out.println("list.size=" + list.size());
    				op.close();
    			}
    		}
    	}
    
    	// 管理员
    	public static void gly() throws Exception {
    		String con = "";
    		do {
    			Scanner sca = new Scanner(System.in);
    			System.out.println("1.删除\n2.添加\n3.修改");
    			int num = sca.nextInt();
    			switch (num) {
    			case 1:
    				delete();
    				break;
    			case 2:
    				add();
    				break;
    			case 3:
    				update();
    				break;
    			}
    			System.out.println("是否继续进行操作y\n ");
    			con = sca.next();
    		} while (con.equals("y"));
    	}
    
    	public static void delete() {
    		try {
    			// 1、得到DOM解析器的工厂实例
    			DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
    			// 2、从DOM工厂获得DOM解析器
    			DocumentBuilder db = dbf.newDocumentBuilder();
    			// 3、解析XML文档，得到一个Document，即DOM树
    			Document doc = db.parse("src/login.xml");
    			Scanner sca = new Scanner(System.in);
    			System.out.println("输入要删除的节点序号");
    			String a = sca.next();
    			// 找到删除的节点
    			// 获取所有节点
    			NodeList roots = doc.getChildNodes();
    			Node root = roots.item(0);// 获取根节点
    			// System.out.println(root.getNodeName());
    			NodeList movies = root.getChildNodes();
    			for (int i = 0; i < movies.getLength(); i++) {
    				Node movie = movies.item(i);
    				NodeList items = movie.getChildNodes();
    				for (int j = 0; j < items.getLength(); j++) {
    					Node item = items.item(j);
    					if (item.getNodeName().equals("xh")) {
    						NodeList list = doc.getElementsByTagName("movie");
    						for (int u = 0; u < list.getLength(); u++) {
    							if (item.getTextContent().equals(a)) {
    
    								Element studentElement = (Element) list.item(u);
    								studentElement.getParentNode().removeChild(
    										studentElement);
    							}
    							// 删除
    						}
    					}
    				}
    			}
    
    			// 保存XML文件
    			TransformerFactory transformerFactory = TransformerFactory
    					.newInstance();
    			Transformer transformer = transformerFactory.newTransformer();
    			DOMSource domSource = new DOMSource(doc);
    			// 设置编码类型
    			transformer.setOutputProperty(OutputKeys.ENCODING, "UTF-8");
    			StreamResult result = new StreamResult(new FileOutputStream(
    					"src/login.xml"));
    			// 把DOM树转换为XML文件
    			transformer.transform(domSource, result);
    			System.out.println("删除成功");
    		} catch (Exception e) {
    			e.printStackTrace();
    		}
    	}
    
    	// 添加
    	public static void add() {
    		try {
    
    			// 1、得到DOM解析器的工厂实例
    			DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
    			// 2、从DOM工厂获得DOM解析器
    			DocumentBuilder db = dbf.newDocumentBuilder();
    			// 3、解析XML文档，得到一个Document，即DOM树
    			Document doc = db.parse("src/login.xml");
    			// 创建movie节点
    			cat();
    			Scanner input = new Scanner(System.in);
    			System.out.println("请输入序号：");
    			String a = input.next();
    			System.out.println("请输入名字：");
    			String b = input.next();
    			System.out.println("请输入电影的导演：");
    			String c = input.next();
    			System.out.println("请输入电影的演员：");
    			String d = input.next();
    			System.out.println("请输入电影的类型：");
    			String e = input.next();
    			System.out.println("请输入电影票的价格：");
    			String f = input.next();
    			System.out.println("请输入电影播放的时间：");
    			String g = input.next();
    			Element bookElement = doc.createElement("movie");
    			// bookElement.setAttribute("5");
    			// 创建title节点
    			Element titleElement = doc.createElement("xh");
    			titleElement.setTextContent(a);
    			// 添加父子关系
    			bookElement.appendChild(titleElement);
    
    			// 创建author节点
    			Element nameElement = doc.createElement("title");
    			nameElement.setTextContent(b);
    			// 添加父子关系
    			bookElement.appendChild(nameElement);
    
    			Element dyElement = doc.createElement("dy");
    			dyElement.setTextContent(c);
    			// 添加父子关系
    			bookElement.appendChild(dyElement);
    
    			Element actorElement = doc.createElement("actor");
    			dyElement.setTextContent(d);
    			// 添加父子关系
    			bookElement.appendChild(actorElement);
    
    			Element lxElement = doc.createElement("lx");
    			actorElement.setTextContent(e);
    			// 添加父子关系
    			bookElement.appendChild(lxElement);
    			// 创建price节点
    			Element priceElement = doc.createElement("price");
    			priceElement.setTextContent(f);
    			// 添加父子关系
    			bookElement.appendChild(priceElement);
    
    			Element timeElement = doc.createElement("time");
    			timeElement.setTextContent(g);
    			// 添加父子关系
    			bookElement.appendChild(timeElement);
    
    			// 找到根节点
    			Element booksElement = (Element) doc.getElementsByTagName("movies")
    					.item(0);
    			booksElement.appendChild(bookElement);
    			// 保存XML文件
    			TransformerFactory transformerFactory = TransformerFactory
    					.newInstance();
    			Transformer transformer = transformerFactory.newTransformer();
    			DOMSource domSource = new DOMSource(doc);
    			// 设置编码类型
    			transformer.setOutputProperty(OutputKeys.ENCODING, "utf-8");
    			StreamResult result = new StreamResult(new FileOutputStream(
    					"src/login.xml"));
    			// 把DOM树转换为XML文件
    			transformer.transform(domSource, result);
    			System.out.println("添加成功");
    
    		} catch (Exception e) {
    			e.printStackTrace();
    		}
    	}
    
    	public static void update() throws ParserConfigurationException,
    			SAXException, IOException, TransformerException {
    		// 1、得到DOM解析器的工厂实例
    		DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
    		// 2、从DOM工厂获得DOM解析器
    		DocumentBuilder db = dbf.newDocumentBuilder();
    		// 3、解析XML文档，得到一个Document，即DOM树
    		Document doc = db.parse("src/login.xml");
    		Scanner sca = new Scanner(System.in);
    		System.out.println("输入要修改的节点序号");
    		String a = sca.next();
    		NodeList list = doc.getElementsByTagName("movie");
    		for (int i = 0; i < list.getLength(); i++) {
    			Element bookElement = (Element) list.item(i);
    			String scoreID = bookElement.getAttribute("xh");
    			System.out.println(scoreID);
    			if (scoreID.equals(a)) {
    				NodeList items = bookElement.getChildNodes();
    				for (int j = 0; j < items.getLength(); j++) {
    					Node node = items.item(j);
    					if (node.getNodeName().equals("price")) {
    						node.setTextContent("75");
    					}
    				}
    			}
    		}
    		// 保存XML文件
    		TransformerFactory transformerFactory = TransformerFactory
    				.newInstance();
    		Transformer transformer = transformerFactory.newTransformer();
    		DOMSource domSource = new DOMSource(doc);
    		// 设置编码类型
    		transformer.setOutputProperty(OutputKeys.ENCODING, "utf-8");
    		StreamResult result = new StreamResult(new FileOutputStream(
    				"src/login.xml"));
    		// 把DOM树转换为XML文件
    		transformer.transform(domSource, result);
    		System.out.println("修改成功");
    	}
    
    	public static void log() throws Exception {
    		Scanner sca = new Scanner(System.in);
    		System.out.println("请输入员工账户：");
    		String str1 = sca.next();
    		System.out.println("请输入密码：");
    		String str2 = sca.next();
    		ArrayList<root> list = new ArrayList<root>();
    		// 1、得到DOM解析器的工厂实例
    		DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
    		// 2、从DOM工厂获得DOM解析器
    		DocumentBuilder db = dbf.newDocumentBuilder();
    		// 3、解析XML文档，得到一个Document，即DOM树
    		Document doc = db.parse("src/pw.xml");
    		// 找到删除的节点
    		// 获取所有节点
    		NodeList roots = doc.getChildNodes();
    		Node root = roots.item(0);// 获取根节点
    		// System.out.println(root.getNodeName());
    		NodeList movies = root.getChildNodes();
    		for (int i = 0; i < movies.getLength(); i++) {
    			Node movie = movies.item(i);
    			NodeList items = movie.getChildNodes();
    			root r = new root();
    			for (int j = 0; j < items.getLength(); j++) {
    				Node item = items.item(j);
    				if (item.getNodeName().equals("name")) {
    					r.setName(item.getTextContent());
    				}
    				if (item.getNodeName().equals("role")) {
    					r.setRole(item.getTextContent());
    				}
    				if (item.getNodeName().equals("pwd")) {
    					r.setPwd(item.getTextContent());
    				}
    			}
    			if (r.getName() != null) {
    				list.add(r);
    			}
    		}
    		// for (int j = 0; j < list.size(); j++) {
    		// System.out.println(list.get(j).getName()+list.get(j).getRole()+list.get(j).getPwd());
    		// }
    		boolean flag = false;
    		for (int j = 0; j < list.size(); j++) {
    			if (list.get(j).getName().equals(str1)
    					&& (list.get(j).getPwd().equals(str2))) {
    				flag = true;
    				System.out.println("登录成功");
    				System.out.println("====================");
    				break;
    			}
    		}
    		if (flag == false) {
    			System.out.println("账号或密码不对，请重新输入");
    			log();
    		}
    	}
    
    	public static void admin() throws Exception {
    		Scanner sca = new Scanner(System.in);
    		System.out.println("请输入管理员账户：");
    		String a = sca.next();
    		System.out.println("请输入密码：");
    		String b = sca.next();
    		// 1、得到DOM解析器的工厂实例
    		DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
    		// 2、从DOM工厂获得DOM解析器
    		DocumentBuilder db = dbf.newDocumentBuilder();
    		// 3、解析XML文档，得到一个Document，即DOM树
    		Document doc = db.parse("src/pw.xml");
    		// 找到删除的节点
    		// 获取所有节点
    		NodeList roots = doc.getChildNodes();
    		Node root = roots.item(0);// 获取根节点
    		// System.out.println(root.getNodeName());
    		NodeList movies = root.getChildNodes();
    		Boolean flag = false;// buzhenque
    		Boolean flag1 = false;
    		for (int i = 0; i < movies.getLength(); i++) {
    			Node movie = movies.item(i);
    			NodeList items = movie.getChildNodes();
    
    			for (int j = 0; j < items.getLength(); j++) {
    				Node item = items.item(j);
    				if (item.getNodeName().equals("name")) {
    					if (item.getTextContent().equals("admin")) {
    						if (a.equals(item.getTextContent())) {
    							flag = true;
    							System.out.println("管理员账户正确");
    							break;
    						}
    					}
    				}
    				//
    				if (item.getNodeName().equals("pwd")) {
    					if (item.getTextContent().equals("123")) {
    						if (b.equals(item.getTextContent())) {
    							flag1 = true;
    							break;
    						}
    					}
    				}
    
    			}
    		}
    		if (flag == false) {
    			System.out.println("账号不正确");
    			admin();
    		}
    		if (flag1 == false) {
    			System.out.println("密码不正确");
    			admin();
    		} else {
    			System.out.println("管理员密码正确");
    
    		}
    	}
    }