package myshitu;

import java.io.File;
import java.io.FileInputStream;
import java.net.URI;
import java.net.URL;

import org.eclipse.swt.SWT;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Text;
import org.eclipse.ui.part.ViewPart;

public class view3 extends ViewPart
{
    public void createPartControl(Composite parent)
    {
        Composite topComp = new Composite(parent, SWT.NONE);
        topComp.setLayout(new GridLayout());

        Label label = new Label(topComp, SWT.NONE);
        GridData griddata = new GridData(GridData.FILL_HORIZONTAL);

        griddata.horizontalAlignment = GridData.CENTER;
        label.setText("显示选项3");
        label.setLayoutData(griddata);

        final Text text = new Text(topComp, SWT.BORDER);
        GridData griddata1 = new GridData(GridData.FILL_HORIZONTAL);
        griddata.horizontalAlignment = GridData.BEGINNING;
        text.setLayoutData(griddata1);
        text.setText("http://c:/eAladdinLog.txt");
        Button bt = new Button(topComp, SWT.NONE);
        bt.setText("显示");
        final Text text1 = new Text(topComp, SWT.BORDER);
        GridData griddata2 = new GridData(GridData.FILL_BOTH);
        griddata.horizontalAlignment = GridData.BEGINNING;
        text1.setLayoutData(griddata2);

        bt.addSelectionListener(new SelectionAdapter()
        {

            public void widgetSelected(SelectionEvent ex)
            {

                try
                {
                    URL url = new URL("c:/eAladdinLog.txt");
                    URI uri = url.toURI();
                    File f1 = new File(uri);

                    FileInputStream is = new FileInputStream(f1);
                    byte[] buff = new byte[1000];
                    is.read(buff,0,1000);
                    String sb=buff.toString();
                    //String sb = new String(buff, 0, len);
                    text1.setText(sb);
                    is.close();
                } catch (Exception e)
                {
                    e.printStackTrace();
                }
            }

        });
    }

    public void setFocus()
    {

    }
}


程序是插件中的一个显示窗体
但是显示不了URL指定文本!

有那位高手能帮忙指教一下错在那,谢谢!