欢迎各位喜欢SWT的朋友来谈谈自己使用SWT的一些感受和心得

package com.accp;



import java.text.NumberFormat;



import org.eclipse.swt.SWT;

import org.eclipse.swt.events.*;

import org.eclipse.swt.layout.*;

import org.eclipse.swt.widgets.*;



public class TableDemo {



	String [] columnTitles	= { "菜名", "单价" };

	

	String [][] tableData = {

			{ "板栗山鸡", "10" },

			{ "番茄鱼片", "20" },

			{ "豆腐", "25" },

			{ "甜汁三文鱼", "10" },

			{ "清蒸大闸蟹", "15" },

			{ "生鱼丝薄饼", "20" },

			{ "土豆粉", "28" },

			{ "猪蹄汤肉酿鲫鱼", "40" },

			{ "北京烤鸭", "25" }	

	};

	

	NumberFormat currencyFormat = NumberFormat.getCurrencyInstance();

	

	Table table;

	Button btnTotal;

	Text txtTotal;

	

	void createWidgets(Shell shell) {

		//

		shell.setText("表格示例");

		shell.setLayout(new GridLayout(2, true));

		//

		Group tableGroup = new Group(shell, SWT.NONE);

		tableGroup.setLayoutData (new GridData (SWT.FILL, SWT.FILL, true, true));

		tableGroup.setLayout (new GridLayout ());

		tableGroup.setText("数据");

		//表格

		table = new Table(tableGroup, SWT.FULL_SELECTION | SWT.BORDER | SWT.H_SCROLL | SWT.V_SCROLL);

		table.setHeaderVisible(true);

		table.setLinesVisible(true);

		//表头

		for (int i = 0; i < columnTitles.length; i++) {

			TableColumn tableColumn = new TableColumn(table, SWT.NONE);

			tableColumn.setText(columnTitles[i]);

		}

		//

		for (int i = 0; i < tableData.length; i++) {

			TableItem item = new TableItem(table, SWT.NONE);

			for (int j = 0; j < tableData[i].length; j++) {

				item.setText(j, tableData[i][j]);

			}

		}

		//

		Group controlGroup = new Group(shell, SWT.NONE);

		controlGroup.setLayoutData (new GridData (SWT.FILL, SWT.FILL, true, true));

		controlGroup.setLayout (new GridLayout ());

		controlGroup.setText("操作");

		//

		Composite panel = new Composite(controlGroup, SWT.NONE);

		panel.setLayoutData(new GridData (SWT.CENTER, SWT.DEFAULT, true, true));

		panel.setLayout( new FillLayout(SWT.VERTICAL) );

		//

		new Label(panel, SWT.NONE).setText("所有单价的总和");

		//

		txtTotal = new Text(panel, SWT.BORDER | SWT.RIGHT | SWT.READ_ONLY );

		//

		btnTotal = new Button(panel, SWT.NONE);

		btnTotal.setText("计算");

		

		//pack

		for (int i = 0; i < table.getColumnCount(); i++) {

			TableColumn tableColumn = table.getColumn(i);

			tableColumn.pack();

		}

		shell.pack();

		//事件

		btnTotal.addSelectionListener(new SelectionAdapter () {

			public void widgetSelected (SelectionEvent event) {

				double total = 0, price;

				for( int i = 0; i < table.getItemCount(); i++ )

				{

					TableItem item = table.getItem( i );

					price = Double.parseDouble( item.getText( 1 ) );

					total += price;

				}

				txtTotal.setText( currencyFormat.format( total ) );

			}

		});

	}



	public Shell open (Display display) {		

		Shell shell = new Shell(display, SWT.DIALOG_TRIM );

		createWidgets( shell );

		shell.open();

		return shell;

	}

	

	public static void main(String[] args) {

		Display display = new Display ();

		TableDemo example = new TableDemo ();

		Shell shell = example.open (display);

		while (!shell.isDisposed ())

			if (!display.readAndDispatch ()) display.sleep ();

		display.dispose ();

	}

}