form4.java

JAVA语言实现的图书馆图书管理系统设计与源码

//Form4.java

import com.ms.wfc.app.*;
import com.ms.wfc.core.*;
import com.ms.wfc.ui.*;
import com.ms.wfc.data.*;
import com.ms.wfc.data.ui.*;

public class Form4 extends Form
{

    public void btnRefresh_Click(Object sender, Event evt)
    {
        try
        {
            btnRefresh.setEnabled( false );
            dataSource1.getRecordset().cancelBatch();
            Object bm =  dataSource1.getRecordset().getBookmark();
            dataSource1.requery();
            if( bm != null ) 
                dataSource1.getRecordset().setBookmark( bm );
            
        }
        catch (Exception e)
        {
            handleADOException(e);
        }
        btnRefresh.setEnabled( true );
    }

    public void btnClose_Click(Object sender, Event evt)
    {
        this.dispose();
    }

    public void dispose()
    {
        super.dispose();
        components.dispose();
    }
	
    public Form4()
    {
        // Required for Visual J++ Form Designer support
        initForm();
        
        this.show();
        this.update();

        //TODO: Add any constructor code after initForm call
    }    

    public void formClose(Event e)
    {
        Application.exit();
    }    

    
    void handleADOException(Exception e)
    {
        e.printStackTrace();
        MessageBox.show( e.toString(), "Form4" );
    }

	/**
	 * NOTE: The following code is required by the Visual J++ form
	 * designer.  It can be modified using the form editor.  Do not
	 * modify it using the code editor.
	 */
	Container components = new Container();
	DataSource dataSource1 = new DataSource(components);
	Button btnRefresh = new Button();
	Button btnClose = new Button();
	Panel panel1 = new Panel();
	DataNavigator dataNavigator = new DataNavigator();
	DataGrid dataGrid = new DataGrid();
	Column column1 = new Column();
	Column column2 = new Column();
	Column column3 = new Column();
	Column column4 = new Column();
	Column column5 = new Column();
	Column column6 = new Column();
	Column column7 = new Column();

	private void initForm()
	{
		this.setBackColor(new Color(0, 192, 192));
		this.setForeColor(new Color(0, 0, 192));
		this.setLocation(new Point(7, 7));
		this.setText("按姓名浏览");
		this.setAutoScaleBaseSize(new Point(6, 12));
		this.setAutoScroll(true);
		this.setClientSize(new Point(774, 573));
		this.setStartPosition(FormStartPosition.CENTER_SCREEN);

		dataSource1.setConnectionString("PROVIDER=Microsoft.Jet.OLEDB.3.51;Data Source=C:\\My Documents\\db3.mdb");
		dataSource1.setCommandText("select 姓名, 读者借书证号, 国籍, 借书情况, 生日, 出生地, 附注 from 表2 ORDER by 姓名");
		dataSource1.setSort(null);
		dataSource1.setStayInSync(true);
		dataSource1.setUserId(null);
		dataSource1.setPassword(null);

		btnRefresh.setLocation(new Point(93, 8));
		btnRefresh.setSize(new Point(70, 30));
		btnRefresh.setTabIndex(0);
		btnRefresh.setText("&刷新纪录");
		btnRefresh.addOnClick(new EventHandler(this.btnRefresh_Click));

		btnClose.setLocation(new Point(256, 8));
		btnClose.setSize(new Point(70, 30));
		btnClose.setTabIndex(1);
		btnClose.setText("&关闭");
		btnClose.addOnClick(new EventHandler(this.btnClose_Click));

		panel1.setDock(ControlDock.BOTTOM);
		panel1.setLocation(new Point(0, 504));
		panel1.setSize(new Point(774, 50));
		panel1.setTabIndex(1);
		panel1.setText("");

		dataNavigator.setDock(ControlDock.BOTTOM);
		dataNavigator.setLocation(new Point(0, 554));
		dataNavigator.setSize(new Point(774, 20));
		dataNavigator.setTabIndex(2);
		dataNavigator.setTabStop(false);
		dataNavigator.setText("");
		dataNavigator.setDataMember("");
		dataNavigator.setDataSource(dataSource1);

		column1.setWidth(300);
		column1.setAlignment(ContentAlignment.MIDDLELEFT);
		column1.setBoundFieldName("姓名");
		column1.setCaption("姓名");
		column1.setIndex(0);

		column2.setWidth(80);
		column2.setAlignment(ContentAlignment.MIDDLELEFT);
		column2.setBoundFieldName("读者借书证号");
		column2.setCaption("读者借书证号");
		column2.setIndex(1);

		column3.setWidth(300);
		column3.setAlignment(ContentAlignment.MIDDLELEFT);
		column3.setBoundFieldName("国籍");
		column3.setCaption("国籍");
		column3.setIndex(2);

		column4.setWidth(56);
		column4.setAlignment(ContentAlignment.MIDDLELEFT);
		column4.setBoundFieldName("借书情况");
		column4.setCaption("借书情况");
		column4.setIndex(3);

		column5.setWidth(48);
		column5.setAlignment(ContentAlignment.MIDDLELEFT);
		column5.setBoundFieldName("生日");
		column5.setCaption("生日");
		column5.setIndex(4);

		column6.setWidth(300);
		column6.setAlignment(ContentAlignment.MIDDLELEFT);
		column6.setBoundFieldName("出生地");
		column6.setCaption("出生地");
		column6.setIndex(5);

		column7.setWidth(600);
		column7.setAlignment(ContentAlignment.MIDDLELEFT);
		column7.setBoundFieldName("附注");
		column7.setCaption("附注");
		column7.setIndex(6);

		dataGrid.setAnchor(ControlAnchor.TOPLEFTRIGHT);
		dataGrid.setBackColor(new Color(0, 192, 192));
		dataGrid.setForeColor(new Color(0, 0, 128));
		dataGrid.setSize(new Point(774, 504));
		dataGrid.setTabIndex(0);
		dataGrid.setText("");
		dataGrid.setCaption("");
		dataGrid.setColumns(new Column[] {
							column1, 
							column2, 
							column3, 
							column4, 
							column5, 
							column6, 
							column7});
		dataGrid.setHeaderFont(Font.DEFAULT_GUI);
		dataGrid.setDynamicColumns(false);
		dataGrid.setDataMember("");
		dataGrid.setDataSource(dataSource1);

		this.setNewControls(new Control[] {
							dataNavigator, 
							panel1, 
							dataGrid});
		panel1.setNewControls(new Control[] {
							  btnRefresh, 
							  btnClose});

		dataSource1.begin();
	}
    //NOTE: End of form designer support code.

    /**
    * The main entry point for the application.
    *
    * @param args Array of parameters passed to the application
    * via the command line.
    */
    public static void main(String args[])
    {
        Application.run( new Form4() );
    }
}