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/**
* 数字金额大写转换，思想先写个完整的然后将如零拾替换成零
* 要用到正则表达式
*/
public static String digitUppercase(double n){
String fraction[] = {"角", "分"};
String digit[] = { "零", "壹", "贰", "叁", "肆", "伍", "陆", "柒", "捌", "玖" };
String unit[][] = {{"元", "万", "亿"},
{"", "拾", "佰", "仟"}};
String head = n 0? "负": "";
n = Math.abs(n);
String s = "";
for (int i = 0; i fraction.length; i++) {
s += (digit[(int)(Math.floor(n * 10 * Math.pow(10, i)) % 10)] + fraction[i]).replaceAll("(零.)+", "");
}
if(s.length()1){
s = "整";
}
int integerPart = (int)Math.floor(n);
for (int i = 0; i unit[0].length integerPart 0; i++) {
String p ="";
for (int j = 0; j unit[1].length n 0; j++) {
p = digit[integerPart%10]+unit[1][j] + p;
integerPart = integerPart/10;
}
s = p.replaceAll("(零.)*零$", "").replaceAll("^$", "零") + unit[0][i] + s;
}
return head + s.replaceAll("(零.)*零元", "元").replaceFirst("(零.)+", "").replaceAll("(零.)+", "零").replaceAll("^整$", "零元整");
}
Print.java－－打印内容定义
[code]
import java.awt.*;
import java.awt.event.*;
import java.awt.print.*;
import java.awt.image.*;
import javax.swing.*;
import javax.swing.event.*;
import javax.swing.border.*;
import javax.swing.event.*;
import java.util.*;
import java.io.*;
public class Print implements Printable{
int m_wPage;
int m_hPage;
int m_orientation;
Printable m_target;
int maxNumPage=1;
String title="数据表格打印";
Font titleFont=new Font("黑体",Font.BOLD,14);
boolean hasTail=true;
int tailAlign=0;
int headAlign=0;
int topSpace=0;
int leftSpace=0;
int yStart=0;
int yEnd=0;
int xStart=topSpace;
int xEnd=0;
int x=0,y=0;
String strTemp="打印内容";
public void doPrint(){
try{
m_orientation=PageFormat.PORTRAIT;
//设置打印对象，默认纸张
PrinterJob prnJob=PrinterJob.getPrinterJob();
PageFormat pageFormat=prnJob.defaultPage();
pageFormat.setOrientation(m_orientation);
m_wPage=(int)(pageFormat.getWidth());
m_hPage=(int)(pageFormat.getHeight());
//将待打印的窗体根据默认纸张设置传入打印对象
prnJob.setPrintable(this,pageFormat);
if(!prnJob.printDialog()) return;
prnJob.print();
}catch(PrinterException ex){
ex.printStackTrace();
System.err.println("打印错误："+ex.toString());
}
}
/**
* 初始化打印参数
*/
public void initPrintParameter()
{
}
/**
*构造打印内容，以送打印机打印
*/
public int print(Graphics pg,PageFormat pageFormat,
int pageIndex) throws PrinterException{
//初始化打印参数
initPrintParameter();
//将画布设置为页面大小
pg.translate((int)pageFormat.getImageableX(),
(int)pageFormat.getImageableY());
int wPage=0;
int hPage=0;
//根据打印机页面设置调整画布大小
if(pageFormat.getOrientation()==pageFormat.PORTRAIT){
wPage=(int)pageFormat.getImageableWidth();
hPage=(int)pageFormat.getImageableHeight();
}
else{
wPage=(int)pageFormat.getImageableWidth();
wPage+=wPage/2;
hPage=(int)pageFormat.getImageableHeight();
pg.setClip(0,0,wPage,hPage);
}
wPage=wPage-2*leftSpace;
hPage=hPage-2*topSpace;
xStart=leftSpace;
xEnd=wPage-2;
//为画布设置颜色和字体
int y=topSpace;
pg.setFont(titleFont);
pg.setColor(Color.black);
//画标题，并使其居中
Font fn=pg.getFont();
FontMetrics fm=pg.getFontMetrics();
y+=fm.getAscent();
alignText(title,pg,y,xStart,xEnd,headAlign);
y+=30;
x=leftSpace+2;
Font headerFont=new Font("宋体",Font.BOLD,14);
pg.setFont(headerFont);
fm=pg.getFontMetrics();
int h=fm.getAscent();
yStart=y-1;
y+=h;
pg.setFont(headerFont);
fm=pg.getFontMetrics();
int header=y;
h=fm.getHeight();
//计算行高，每页行数，总行数和指定页码的起始行、结束行
int rowH=Math.max(h,10);
int tailH=rowH+30;
int rowPerPage=0;
int leftPix=0;
if(hasTail){
rowPerPage=(hPage-header-tailH)/rowH;
leftPix=(hPage-header-tailH)%rowH;
yEnd=hPage-leftPix-tailH+2;
}
else{
rowPerPage=(hPage-header)/rowH;
leftPix=(hPage-header)%rowH;
yEnd=hPage-leftPix+2;
}
pg.drawString(strTemp,x,y);
//画表格边框
pg.drawLine(xStart,yStart,xStart,yEnd);
pg.drawLine(xStart,yStart,xEnd,yStart);
pg.drawLine(xEnd,yStart,xEnd,yEnd);
pg.drawLine(xStart,yEnd,xEnd,yEnd);
//打印页码
if(hasTail){
int pageNumber=pageIndex+1;
String s="第"+pageNumber+"页";
alignText(s,pg,yEnd+30,xStart,xEnd,tailAlign);
}
System.gc();
return PAGE_EXISTS;
}
/**
* 文字排列，坐标在y处,显示范围（start-end）
* 0表示居中显示，1表示左对齐，2表示右对齐
*/
private void alignText(String s,Graphics pg,int y,int start,
int end,int mode){
Font fn=pg.getFont();
FontMetrics fm=pg.getFontMetrics();
int wString=fm.stringWidth(s);
int x=start;
switch(mode)
{
case 0:
if((end-start-wString)0) x=start+(end-start-wString)/2;
break;
case 1:
break;
case 2:
if((end-start-wString)0) x=start+(end-start-wString);
break;
}
pg.drawString(s,x,y);
}
public static void main(String[] args){
Print p=new Print();
p.doPrint();
}
}
[code]
运行方法：
javac -d . Print.java
java Print
自己运行一下
