search.java

模拟实现对windows的记事本多线程查找

import java.awt.*;
import javax.swing.*;

public class Search implements Runnable{
	public TextField s = new TextField();
	public Search(TextField s){
		this.s=s;
	}
	public void run(){
		String text = FileDialogDemo.jta.getText();
		String str = s.getText();
		int end = text.length();
		int len = str.length();
		int start = 0;
		boolean f = false;
		for(;start<=end-len;start++){
			if(text.substring(start,start+len).equals(str)){
				JOptionPane.showMessageDialog(null,"字符串 \""+str+"\"已找到","Search result",JOptionPane.INFORMATION_MESSAGE);
				f = true;
				break;
			}
		}
		if(f == false){
			JOptionPane.showMessageDialog(null,"字符串 \""+str+"\" 不能被找到","Search result",JOptionPane.INFORMATION_MESSAGE);
		}
	}

}