JasperReport 5.0动态报表的实现

import java.text.SimpleDateFormat;
import java.util.Date;

import net.sf.jasperreports.engine.JRException;
import net.sf.jasperreports.engine.JRImageRenderer;
import net.sf.jasperreports.engine.JRPrintImage;
import net.sf.jasperreports.engine.JRPrintLine;
import net.sf.jasperreports.engine.JRPrintPage;
import net.sf.jasperreports.engine.JRPrintText;
import net.sf.jasperreports.engine.JasperPrint;
import net.sf.jasperreports.engine.base.JRBasePrintImage;
import net.sf.jasperreports.engine.base.JRBasePrintLine;
import net.sf.jasperreports.engine.base.JRBasePrintPage;
import net.sf.jasperreports.engine.base.JRBasePrintText;
import net.sf.jasperreports.engine.design.JRDesignStyle;
import net.sf.jasperreports.engine.type.HorizontalAlignEnum;
import net.sf.jasperreports.engine.type.ScaleImageEnum;
import net.sf.jasperreports.engine.util.JRLoader;
import net.sf.jasperreports.view.JasperViewer;

/**
 * 
 * <p>动态报表的实现<p>
 *
 * 创建日期 2013-5-3<br>
 * @author  longgangbai<br>
 * @version $Revision$ 2013-5-3
 * @since   3.0.0
 */
public class DynamicJasperReport {
    /**
    *
    */
    @SuppressWarnings("deprecation")
    private static JasperPrint getJasperPrint() throws JRException {
        // JasperPrint
        JasperPrint jasperPrint = new JasperPrint();
        jasperPrint.setName("NoReport");
        jasperPrint.setPageWidth(595);
        jasperPrint.setPageHeight(842);
        
        // Fonts
        JRDesignStyle normalStyle = new JRDesignStyle();
        normalStyle.setName("Sans_Normal");
        normalStyle.setDefault(true);
        normalStyle.setFontName("DejaVu Sans");
        normalStyle.setFontSize(8);
        normalStyle.setPdfFontName("Helvetica");
        normalStyle.setPdfEncoding("Cp1252");
        normalStyle.setPdfEmbedded(false);
        jasperPrint.addStyle(normalStyle);
        
        JRDesignStyle boldStyle = new JRDesignStyle();
        boldStyle.setName("Sans_Bold");
        boldStyle.setFontName("DejaVu Sans");
        boldStyle.setFontSize(8);
        boldStyle.setBold(true);
        boldStyle.setPdfFontName("Helvetica-Bold");
        boldStyle.setPdfEncoding("Cp1252");
        boldStyle.setPdfEmbedded(false);
        jasperPrint.addStyle(boldStyle);
        
        JRDesignStyle italicStyle = new JRDesignStyle();
        italicStyle.setName("Sans_Italic");
        italicStyle.setFontName("DejaVu Sans");
        italicStyle.setFontSize(8);
        italicStyle.setItalic(true);
        italicStyle.setPdfFontName("STSong-Light");
        italicStyle.setPdfEncoding("UniGB-UCS2-H");
        italicStyle.setPdfEmbedded(true);
        jasperPrint.addStyle(italicStyle);
        
        
        JRPrintPage page = new JRBasePrintPage();
        JRPrintLine line = new JRBasePrintLine(jasperPrint.getDefaultStyleProvider());
        line.setX(40);
        line.setY(50);
        line.setWidth(515);
        line.setHeight(0);
        page.addElement(line);
        JRPrintImage image = new JRBasePrintImage(jasperPrint.getDefaultStyleProvider());
        image.setX(45);
        image.setY(55);
        image.setWidth(165);
        image.setHeight(40);
        image.setScaleImage(ScaleImageEnum.CLIP);
        image.setRenderer(JRImageRenderer.getInstance(JRLoader.loadBytesFromResource("jasperreports.png")));
        page.addElement(image);
        JRPrintText text = new JRBasePrintText(jasperPrint.getDefaultStyleProvider());
        text.setX(210);
        text.setY(55);
        text.setWidth(345);
        text.setHeight(30);
        text.setTextHeight(text.getHeight());
        text.setHorizontalAlignment(HorizontalAlignEnum.RIGHT);
        text.setLineSpacingFactor(1.3133681f);
        text.setLeadingOffset(-4.955078f);
        text.setStyle(boldStyle);
        text.setFontSize(18);
        text.setText("JasperReports Project Description");
        page.addElement(text);
        text = new JRBasePrintText(jasperPrint.getDefaultStyleProvider());
        text.setX(210);
        text.setY(85);
        text.setWidth(325);
        text.setHeight(15);
        text.setTextHeight(text.getHeight());
        text.setHorizontalAlignment(HorizontalAlignEnum.RIGHT);
        text.setLineSpacingFactor(1.329241f);
        text.setLeadingOffset(-4.076172f);
        text.setStyle(italicStyle);
        text.setFontSize(12);
        text.setText((new SimpleDateFormat("yyyy年 MM月 dd日")).format(new Date()));
        page.addElement(text);
        text = new JRBasePrintText(jasperPrint.getDefaultStyleProvider());
        text.setX(40);
        text.setY(150);
        text.setWidth(515);
        text.setHeight(200);
        text.setTextHeight(text.getHeight());
        text.setHorizontalAlignment(HorizontalAlignEnum.JUSTIFIED);
        text.setLineSpacingFactor(1.329241f);
        text.setLeadingOffset(-4.076172f);
        text.setStyle(normalStyle);
        text.setFontSize(14);
        text.setText("JasperReports is a powerful report-generating tool that has the ability to deliver rich content onto the screen, to the printer or into PDF, HTML, XLS, CSV or XML files.\n\n"
                + "It is entirely written in Java and can be used in a variety of Java enabled applications, including J2EE or Web applications, to generate dynamic content.\n\n"
                + "Its main purpose is to help creating page oriented, ready to print documents in a simple and flexible manner.");
        page.addElement(text);
        jasperPrint.addPage(page);
        return jasperPrint;
    }

    public static void main(String[] args) throws JRException {
        JasperPrint jasperPrint = getJasperPrint();
        JasperViewer.viewReport(jasperPrint, false);
        // JasperViewer view = new JasperViewer(jasperPrint, false);
        // view.pack();
        // view.setVisible(true);
    }
}