Java编程打印购物小票实现代码

简单介绍运行环境：

语言：java

工具：eclipse

系统：windows7

（打印设备暂时没有，所以只能提供预览图）

最近，项目需要为商城做一个购物小票的打印功能，日常我们去超市买东西，结账的时候收银员都会打印一个小票，一般的商城也都需要这样的一个小功能，本文给出的 demo 是在 58mm 的热敏打印机下的例子，如果是其他纸张类型的打印机，调整纸张宽度即可。

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package test;

import java.awt.*;

import java.awt.print.*;

/**

* 打印机测试类（58mm）

* 1、目标打印机必须设置为默认打印机

* 2、打印页面的宽度和具体的打印机有关，一般为打印纸的宽度，需要配置成系统参数

* 3、一个汉字的宽度大概是12点

*/

public class printtest {

public static void main(string[] args){

if(printerjob.lookupprintservices().length>0){

/*

打印格式

*/

pageformat pageformat = new pageformat();

//设置打印起点从左上角开始，从左到右，从上到下打印

pageformat.setorientation(pageformat.portrait);

/*

打印页面格式设置

*/

paper paper = new paper();

//设置打印宽度（固定，和具体的打印机有关）和高度（跟实际打印内容的多少有关）

paper.setsize(140, 450);

//设置打印区域打印起点坐标、打印的宽度和高度

paper.setimageablearea(0, 0, 135, 450);

pageformat.setpaper(paper);

//创建打印文档

book book = new book();

book.append(new printable() {

@override

public int print(graphics graphics, pageformat pageformat, int pageindex) throws printerexception {

if(pageindex>0){

return no_such_page;

}

graphics2d graphics2d = (graphics2d) graphics;

font font = new font("宋体", font.plain, 5);

graphics2d.setfont(font);

drawstring(graphics2d, "//////////////////////////////", 10, 17, 119, 8);

font = new font("宋体", font.plain, 7);

graphics2d.setfont(font);

int yindex = 30;

int lineheight = 10;

int linewidth = 120;

color defaultcolor = graphics2d.getcolor();

color grey = new color(145, 145, 145);

//收货信息

yindex = drawstring(graphics2d, "收货人：路人甲", 10, yindex, linewidth, lineheight);

yindex = drawstring(graphics2d, "收货地址：北京市海淀区上地十街10号百度大厦", 10, yindex + lineheight, linewidth, lineheight);

//收货信息边框

stroke stroke = new basicstroke(0.5f, basicstroke.cap_butt, basicstroke.join_bevel,0,new float[]{4, 4},0);

graphics2d.setstroke(stroke);

graphics2d.drawrect(5, 10, 129, yindex);

//药店名称

linewidth = 129;

lineheight = 8;

graphics2d.setfont(new font("宋体", font.bold, 8));

graphics2d.setcolor(defaultcolor);

yindex = drawstring(graphics2d, "北京药店零售小票", 5, yindex + lineheight + 20, linewidth, 12);

graphics2d.setfont(new font("宋体", font.plain, 6));

graphics2d.setcolor(grey);

yindex = drawstring(graphics2d, "操作员：小清新", 5, yindex + lineheight + 2, linewidth, lineheight);

yindex = drawstring(graphics2d, "日期：2017-01-05", 5 + linewidth/2, yindex, linewidth, lineheight);

yindex = drawstring(graphics2d, "品名", 5, yindex + lineheight * 2 - 5, linewidth, lineheight);

yindex = drawstring(graphics2d, "规格", (linewidth/10)*4, yindex, linewidth, lineheight);

yindex = drawstring(graphics2d, "单价", (linewidth/10)*8, yindex, linewidth, lineheight);

yindex = drawstring(graphics2d, "数量", (linewidth/10)*10, yindex, linewidth, lineheight);

for (int i=0; i<5; i++){

graphics2d.setfont(new font("宋体", font.plain, 7));

yindex = drawstring(graphics2d, "e复合维生素b片100片e复合维生素b片100片", 5, yindex + 15, (linewidth/10)*7, 10);

graphics2d.setfont(new font("宋体", font.plain, 6));

graphics2d.setcolor(grey);

yindex = drawstring(graphics2d, "100片/盒", 5, yindex + 11, linewidth, lineheight);

yindex = drawstring(graphics2d, "14.50", (linewidth/10)*8, yindex, linewidth, lineheight);

yindex = drawstring(graphics2d, "2", (linewidth/10)*10, yindex, linewidth, lineheight);

graphics2d.setfont(new font("宋体", font.plain, 7));

yindex = yindex + 2;

graphics2d.drawline(5, yindex, 5 + linewidth, yindex);

}

graphics2d.setcolor(defaultcolor);

yindex = drawstring(graphics2d, "会员名称：小清新", 5, yindex + lineheight * 2, linewidth, lineheight);

yindex = drawstring(graphics2d, "总数：6", 5, yindex + lineheight, linewidth, lineheight);

yindex = drawstring(graphics2d, "总计：55.30", 5, yindex + lineheight, linewidth, lineheight);

yindex = drawstring(graphics2d, "收款：100.00", 5, yindex + lineheight, linewidth, lineheight);

yindex = drawstring(graphics2d, "找零：44.70", 5, yindex + lineheight, linewidth, lineheight);

graphics2d.setfont(new font("宋体", font.plain, 6));

graphics2d.setcolor(grey);

yindex = drawstring(graphics2d, "电话：020-123456", 5, yindex + lineheight * 2, linewidth, lineheight);

yindex = drawstring(graphics2d, "地址：北京市海淀区上地十街10号百度大厦", 5, yindex + lineheight, linewidth, lineheight);

yindex = yindex + 20;

graphics2d.drawline(0, yindex, 140, yindex);

return page_exists;

}

, pageformat);

//获取默认打印机

printerjob printerjob = printerjob.getprinterjob();

printerjob.setpageable(book);

try {

printerjob.print();

}

catch (printerexception e) {

e.printstacktrace();

system.out.println("打印异常");

}

} else{

system.out.println("没法发现打印机服务");

}

/**

* 字符串输出

* @param graphics2d 画笔

* @param text 打印文本

* @param x 打印起点 x 坐标

* @param y 打印起点 y 坐标

* @param linewidth 行宽

* @param lineheight 行高

* @return 返回终点 y 坐标

*/

private static int drawstring(graphics2d graphics2d, string text, int x, int y, int linewidth, int lineheight){

fontmetrics fontmetrics = graphics2d.getfontmetrics();

if(fontmetrics.stringwidth(text)<linewidth){

graphics2d.drawstring(text, x, y);

return y;

} else{

char[] chars = text.tochararray();

int charswidth = 0;

stringbuffer sb = new stringbuffer();

for (int i=0; i<chars.length; i++){

if((charswidth + fontmetrics.charwidth(chars[i]))>linewidth){

graphics2d.drawstring(sb.tostring(), x, y);

sb.setlength(0);

y = y + lineheight;

charswidth = fontmetrics.charwidth(chars[i]);

sb.append(chars[i]);

} else{

charswidth = charswidth + fontmetrics.charwidth(chars[i]);

sb.append(chars[i]);

}

if(sb.length()>0){

graphics2d.drawstring(sb.tostring(), x, y);

y = y + lineheight;

}

return y - lineheight;

}

运行结果：

效果预览：

总结

简单说就是编写一段java程序，将输出结果另存为“*.xps ”格式文件，由打印机输出，非常简单。希望对大家有所帮助。如有问题欢迎留言指出。感谢朋友们对本站的支持。

原文链接：http://www.cnblogs.com/rexfang/p/7441146.html

Java编程打印购物小票实现代码

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