printcode.txt

本代码是可以实现用Java实现的一般的打印功能的代码。简单便捷

import java.awt.*;
import java.awt.event.*;
import java.awt.print.*;
client1 c = new client1();
String PrintData="序号    卡通号 购物金額 消費日期 消費时間 消費物品\r\n";
int Count=0;
    String[][] trydata = new String[jTable1.getRowCount()][6];
    int xx = 0;
    for (int i = 0; i < jTable1.getRowCount(); i = i + 1) {
        if ((String) jTable1.getValueAt(i, 0) == null) {
            break;
        }
        String[] data3 = {(String) jTable1.getValueAt(i, 0), (String) jTable1.getValueAt(i, 1), (String) jTable1.getValueAt(i, 2), (String) jTable1.getValueAt(i, 3), (String) jTable1.getValueAt(i, 4), (String) jTable1.getValueAt(i, 5),};
        for (int x = 0; x < 1; x++) {

            for (int j = 0; j < trydata[x].length; j++) {
               trydata[xx][j] = data3[j];
                String[] row = {data3[j]};

                for (int z = 0; z < row.length; z++) {
                    Count=Count+1;
                    PrintData=PrintData+row[z]+"    ";
                    if(Count==6)
                    {
                        PrintData=PrintData+"\r\n";
                        Count=0;
                    }
                }
            }
        }
        xx = xx + 1;
    }

    JFrame frame = new JFrame("打印");
   
        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        final JTextArea textArea=new JTextArea();
        JScrollPane pane =new JScrollPane(textArea);
        frame.add(pane, BorderLayout.CENTER);
        textArea.setText(PrintData);
        JButton button=new JButton("打印");
        frame.add(button, BorderLayout.SOUTH);
        ActionListener listener = new ActionListener(){
            public void actionPerformed(ActionEvent e)
            {try
             {textArea.print();}
             catch (PrinterException pe)
             {System.err.println("打印失败...");}
            }
        };
        button.addActionListener(listener);
        frame.setSize(250, 150);
        frame.setVisible(true);