import java.io.*;
import javax.swing.*;
import java.awt.*;
import java.awt.event.ActionListener;
import java.awt.event.ActionEvent;
public class TestSearch extends JFrame implements ActionListener{
private JTextField tf1,tf2;
private JButton b1,b2;
private JTextArea ta;
private JPanel p,p1,p2;
private JLabel l1,l2;
public TestSearch(){
super("Search");
Container c=getContentPane();
p=new JPanel(new GridLayout(2,1));
p1=new JPanel();
p2=new JPanel();
l1=new JLabel("要查找的文件");
l2=new JLabel("要查找的内容");
ta=new JTextArea();
tf1=new JTextField(20);
tf2=new JTextField(18);
b1=new JButton("浏览");
b2=new JButton("开始查找");
c.setLayout(new BorderLayout());
c.add(BorderLayout.NORTH,p);
c.add(BorderLayout.CENTER,new JScrollPane(ta));
p1.add(l1);
p1.add(tf1);
p1.add(b1);
p2.add(l2);
p2.add(tf2);
p2.add(b2);
p.add(p1);
p.add(p2);
b1.addActionListener(this);
b2.addActionListener(this);
setSize(400,400);
show();
}
public static void main(String args[]){
new TestSearch();
}
public void actionPerformed(ActionEvent parm1) {
if (parm1.getSource()==b1)
{
JFileChooser chooser=new JFileChooser();
chooser.setDialogType(JFileChooser.OPEN_DIALOG);
chooser.setFileSelectionMode(JFileChooser.FILES_ONLY);
int i=chooser.showDialog(null,null);
if(i==JFileChooser.APPROVE_OPTION){
tf1.setText(chooser.getSelectedFile().getAbsoluteFile().toString());
}
}
if(parm1.getSource()==b2)
{ ta.setText("");
String str1=tf1.getText();
String str2=tf2.getText();
int i=1;
try{
BufferedReader breader=new BufferedReader(new FileReader(str1));
while(true){
String str3=breader.readLine();
if(str3.indexOf(str2)!=-1){
ta.append("\""+str2+"\""+"在文件的第"+i+"行!\n");
i++;
continue;
}
i++;
if(str3==null)
{ ta.append("收索完毕");
break;
}
}
}catch(Exception e){}
}
}
}