黑馬程序員——文件中截取需要的信息---基礎課程練習

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在看完了畢老師的基礎視頻後自己寫的爬號器：

理想中的爬號器：

可以掃描任任何文件，自動掃描關鍵字網頁，獲取所需數據

對號碼，比如QQ號碼實現郵件、加好友、空間留言等騰訊應用的各種輔助，自娛自樂功能

實現的爬號器：

獲取指定文件中符合規則數據並存儲到文件中

package Gane;
public class Tool {
	
	public static void main(String args[]) throws IOException{
		new MyFrame();
	}	
}

package Gane;

import java.awt.Button;
import java.awt.Dialog;
import java.awt.FileDialog;
import java.awt.FlowLayout;
import java.awt.Frame;
import java.awt.Menu;
import java.awt.MenuBar;
import java.awt.MenuItem;
import java.awt.TextArea;
import java.awt.TextField;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import java.io.IOException;

//圖形化界面
class MyFrame{
	private Frame f ;
	private MenuBar mb;
	private Menu m1, m2;
	private MenuItem mi;
	private TextField tf1, tf2;
	private TextArea ta;
	private Button bt1, bt2, bt3, bt4;
	private Dialog d;
	private FileDialog fd1, fd2;
	
	MyFrame(){
		init();
	}
	public void init(){
		f= new Frame("TC爬號器");
		f.setBounds(1100, 400, 600, 400);
		f.setLayout(new FlowLayout());
		
		mb = new MenuBar();
		m1 = new Menu("菜單");
		m2 = new Menu("其他");
		mi = new MenuItem("退出");
		
		mb.add(m1);
		mb.add(m2);
		m1.add(mi);
		
		tf1 = new TextField(20);
		tf2 = new TextField(20);
		ta = new TextArea();
		bt1 = new Button("選擇文件");
		bt2 = new Button("獲取號碼");
		bt3 = new Button("生成郵件地址");
		bt4 = new Button("確定");
		ta = new TextArea("使用說明....", 15, 60);
		
		d = new Dialog(f,"提示", true);
		d.setLayout(new FlowLayout());
		d.setBounds(1300, 560, 50, 90);
		d.add(bt4);
		fd1 = new FileDialog(f, "選擇掃描文件", FileDialog.LOAD);
		fd2 = new FileDialog(f, "保存生成文件", FileDialog.SAVE);
		
		
		f.add(tf1);		
		f.add(bt1);
//		f.add(tf2);
		f.add(bt2);
		f.add(bt3);
		f.add(ta);

		f.setMenuBar(mb);
		f.setVisible(true);
		
		MyEvent();
	}
	public void MyEvent(){
		wC(f);
		wC(d);
		mi.addActionListener(new ActionListener(){
			public void actionPerformed(ActionEvent e){
				d.setVisible(true);
			}
		});
		bt1.addMouseListener(new MouseAdapter(){
			public void mousePressed(MouseEvent e){		//mouseEntered
				fd1.setVisible(true);
				String file = fd1.getFile();
				String path1 =  fd1.getDirectory() + file;
				String path = path1.replace("\\", "\\\\");
//				System.out.println(path);
				tf1.setText(path);
			}
		});
		bt2.addMouseListener(new MouseAdapter(){
			public void mousePressed(MouseEvent e){		//mouseEntered
				String path = tf1.getText();
				try {
					//調用方法獲取號碼，並將反饋信息展示到ta中
					ta.setText(new Number().getNumber(path));
					
				} catch (IOException e1) {
					ta.setText("讀取文件失敗");
					new RuntimeException();
				}
			}
		});
		bt3.addMouseListener(new MouseAdapter(){
			public void mousePressed(MouseEvent e){		//mouseEntered
				//調用方法生成郵件地址，並將反饋信息展示到ta中
				String path = tf1.getText();
				try {
					//調用方法獲取號碼，並將反饋信息展示到ta中
					ta.setText(new Number().getMail(path));
					
				} catch (IOException e1) {
					ta.setText("讀取文件失敗");
					new RuntimeException();
				}
			}
		});
		bt4.addActionListener(new ActionListener(){
			public void actionPerformed(ActionEvent e){
				System.exit(0);
			}
		});
	}

	
	public void wC(Frame f){
		f.addWindowListener(new WindowAdapter(){
			public void windowClosing(WindowEvent e){
				System.exit(0);
			}
		});
	}
	public void wC(Dialog d){
		d.addWindowListener(new WindowAdapter(){
			public void windowClosing(WindowEvent e){
				System.exit(0);
			}
		});
	}
	
}

package Gane;

import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.util.Iterator;
import java.util.TreeSet;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

class Number{
	private String aim ="C:\\Users\\Administrator\\Desktop\\";
	private FileWriter fw;
	
	/*獲取號碼*/
	public String getNumber(String path) throws IOException{
		TreeSet ts = getTS(path);
		//將數據寫到文件中
		aim = aim + "QQNumber.txt";
		fw = new FileWriter(aim);
		fw.write("共掃到號碼："+ts.size()+" 個\r\n");
		
		Iterator<Long> it = ts.iterator();
		while(it.hasNext()){
			Long l = it.next();
			fw.write(l + "\r\n");
			fw.flush();
		}
		
		fw.close();
		return "共掃到號碼："+ts.size()+" 個\r\n";
	}
	
	/*生成郵件地址*/
	public String getMail(String path) throws IOException{
		TreeSet ts = getTS(path);
		//將數據寫到文件中
		aim = aim +"MainNumber.txt";
		fw = new FileWriter(aim);
		fw.write("共生成郵件地址："+ts.size()+" 個\r\n");
		
		Iterator<Long> it = ts.iterator();
		while(it.hasNext()){
			Long l = it.next();
			fw.write(l + "@qq.com\r\n");
			fw.flush();
		}
		
		fw.close();
		return "共生成郵件地址："+ts.size()+" 個\r\n";
	}
	
	private TreeSet getTS(String path) throws IOException{
		FileReader fr = new FileReader(path);
		TreeSet<Long> ts = new TreeSet<Long>();		
		
		char[] buf = new char[1024];
		int ch = 0;
		while((ch = fr.read(buf)) != -1)
		{
			String str = new String(buf, 0, ch);
			String reg = "[1-9][0-9]{7,10}";
			
			Pattern p = Pattern.compile(reg);
			Matcher m = p.matcher(str);
			
			while(m.find())
			{
				String s = m.group();
				long l = Long.parseLong(s);
				ts.add(l);
			}	
		}
		fr.close();	
		return ts;
	}	
}

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