Java 如何在特定坐标以pdf格式导出完整的JTable组件
在我的项目中,我必须以pdf格式打印JTable组件,其中包含所有自定义项(如边框、颜色等)。对于这个需求,我搜索了一下,找到了一个在PDF中打印JTable的代码。但在打印之后,我发现表的第一行和第一列的边框丢失了,而且我没有找到在特定坐标下打印的方法。请查看下面的具体代码:-Java 如何在特定坐标以pdf格式导出完整的JTable组件,java,swing,pdf,jtable,itext,Java,Swing,Pdf,Jtable,Itext,在我的项目中,我必须以pdf格式打印JTable组件,其中包含所有自定义项(如边框、颜色等)。对于这个需求,我搜索了一下,找到了一个在PDF中打印JTable的代码。但在打印之后,我发现表的第一行和第一列的边框丢失了,而且我没有找到在特定坐标下打印的方法。请查看下面的具体代码:- package com.jpmorgan.dqreport; import java.awt.BorderLayout; import java.awt.Graphics2D; import java.awt.Sha
package com.jpmorgan.dqreport;
import java.awt.BorderLayout;
import java.awt.Graphics2D;
import java.awt.Shape;
import java.io.FileOutputStream;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JTable;
import com.lowagie.text.Document;
import com.lowagie.text.PageSize;
import com.lowagie.text.pdf.PdfContentByte;
import com.lowagie.text.pdf.PdfWriter;
public class JTable2Pdf extends JFrame {
private JTable table;
public JTable2Pdf() {
getContentPane().setLayout(new BorderLayout());
createTable();
}
private void createTable() {
Object[][] data = {
{"Kathy", "Smith",
"SnowboardingXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX", new Integer(5), new Boolean(false)},
{"John", "Doe",
"Rowing", new Integer(3), new Boolean(true)},
{"Sue", "Black",
"Knitting", new Integer(2), new Boolean(false)},
{"Jane", "White",
"Speed reading", new Integer(20), new Boolean(true)},
{"Joe", "Brown",
"Pool", new Integer(10), new Boolean(false)}
};
String[] columnNames = {"First Name",
"Last Name",
"Sport",
"# of Years",
"Vegetarian"};
table = new JTable(data, columnNames);
JPanel tPanel = new JPanel(new BorderLayout());
tPanel.add(table.getTableHeader(), BorderLayout.NORTH);
tPanel.add(table, BorderLayout.CENTER);
getContentPane().add(tPanel, BorderLayout.CENTER);
}
private void print() {
Document document = new Document(PageSize.A4.rotate());
try {
PdfWriter writer = PdfWriter.getInstance(document, new FileOutputStream("C:\\jTable.pdf"));
document.open();
PdfContentByte cb = writer.getDirectContent();
cb.saveState();
Graphics2D g2 = cb.createGraphics(500, 500);
Shape oldClip = g2.getClip();
g2.clipRect(10, 0, 500, 500);
table.print(g2);
g2.setClip(oldClip);
g2.dispose();
cb.restoreState();
} catch (Exception e) {
System.err.println(e.getMessage());
}
document.close();
}
public static void main(String[] args) {
JTable2Pdf frame = new JTable2Pdf();
frame.pack();
frame.setVisible(true);
frame.print();
}
}
请建议以某种方式在特定坐标处打印整个JTable
感谢A
JTable
是出了名的难以正确渲染图像(或者我猜是打印)。看看哪位大师有技巧
仔细查看该线程的屏幕截图,可以发现默认的金属表在最左边没有边框
不过,Nimbus PLAF中的桌子确实如此
嗨,我通过添加如下内容来解析代码:-
cb.saveState();
PdfTemplate pdfTemplate = cb.createTemplate(table.getWidth(), table.getHeight());
Graphics2D g2 = pdfTemplate.createGraphics(table.getWidth(), table.getHeight());
/*g2.setColor(Color.BLACK);
g2.drawRect(x-2, y-2, table.getWidth()+2, table.getHeight()+2);*/
table.print(g2);
System.out.println("x="+x + "," + "y=" + y);
cb.addTemplate(pdfTemplate, x, y);
g2.dispose();
cb.restoreState();