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JBarcode生成条形码(带汉字);请注意Maven里面现在没有这个jar报的依赖,需要自己下载,并手动导入Maven
import java.awt.Color;
import java.awt.Font;
import java.awt.FontMetrics;
import java.awt.Graphics;
import java.awt.image.BufferedImage;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.OutputStream;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;
import java.util.concurrent.ArrayBlockingQueue;
import java.util.concurrent.BlockingQueue;
import java.util.concurrent.ThreadPoolExecutor;
import java.util.concurrent.TimeUnit;
import org.jbarcode.JBarcode;
import org.jbarcode.JBarcodeFactory;
import org.jbarcode.encode.Code128Encoder;
import org.jbarcode.encode.InvalidAtributeException;
import org.jbarcode.paint.TextPainter;
import org.jbarcode.util.ImageUtil;
public class JBarcodeUtil {
// 设置条形码高度
private static final int BARCODE_HEIGHT = 50;
// 设置条形码默认分辨率
//private static final int BARCODE_DPI = ImageUtil.DEFAULT_DPI;
private static final int BARCODE_DPI = ImageUtil.DEFAULT_DPI;
// 设置条形码字体样式
//private static final String FONT_FAMILY = "微软雅黑";
//private static final String FONT_FAMILY = "STXihei";
private static final String FONT_FAMILY = "Microsoft YaHei";
// 设置条形码字体大小
private static final int FONT_SIZE = 14;
// 设置条形码文本
/*public static String TEXTONE = "";
public static String TEXTTWO = "";
public static String TEXTTHREE = "";*/
public static String TEXT = "";
// 创建jbarcode
private static JBarcode jbc = null;
/**
* 1.静态代码块的作用:当类被载入时,静态代码块被执行,且只被执行一次,静态块常用来执行类属性的初始化。
* 2.常量条形码的高度和字体大小设置很重要,若是设置小了会看不到设置的文件
* @return
* @throws InvalidAtributeException
*/
static JBarcode getJBarcode() throws InvalidAtributeException {
/**
* 参考设置样式:
* barcode.setEncoder(Code128Encoder.getInstance()); //设置编码
* barcode.setPainter(WidthCodedPainter.getInstance());// 设置Painter
* barcode.setTextPainter(BaseLineTextPainter.getInstance()); //设置TextPainter
* barcode.setBarHeight(17); //设置高度
* barcode.setWideRatio(Double.valueOf(30).doubleValue());// 设置宽度比率
* barcode.setXDimension(Double.valueOf(2).doubleValue()); // 设置尺寸,大小 密集程度
* barcode.setShowText(true); //是否显示文本
* barcode.setCheckDigit(true); //是否检查数字
* barcode.setShowCheckDigit(false); //是否显示检查数字
*/
if (jbc == null) {
// 生成code128
jbc = JBarcodeFactory.getInstance().createCode128();
jbc.setEncoder(Code128Encoder.getInstance());
// 设置TextPainter
jbc.setTextPainter(CustomTextPainter.getInstance());
// 设置设置条形码高度
jbc.setBarHeight(BARCODE_HEIGHT);
// 设置尺寸,大小 密集程度
jbc.setXDimension(Double.valueOf(0.8).doubleValue());
// 是否显示文本
jbc.setShowText(true);
}
return jbc;
}
/**
* @descript: 生成条形码文件(调用此方法进行生成工作)
* @param message 显示的文字内容
* @param file 生成文件地址
* @param content 条形码内容
* @return
*/
public static String createBarcode(String message, File file, String content) {
try {
FileOutputStream fos = new FileOutputStream(file);
createBarcode(message, fos, content);
fos.close();
} catch (IOException e) {
throw new RuntimeException(e);
}
return "scuccs";
}
/**
* @descript: 生成条形码并写入指定输出流
* @param message 条形码内容
* @param os 输出流
* @param text 文字内容
*/
private static void createBarcode(String message, OutputStream os, String text) {
try {
/*String[] strs = text.split("-");
// 设置条形码文本
switch(strs.length){
case 1:
TEXTONE = strs[0].toString();
TEXTTWO = "";
TEXTTHREE = "";
break;
case 2:
TEXTONE = strs[0].toString();
TEXTTWO = strs[1].toString();
TEXTTHREE = "";
break;
default:
TEXTONE = strs[0].toString();
TEXTTWO = strs[1].toString();
TEXTTHREE = strs[2].toString();
break;
}*/
int lenght = message.length();
String zero = "";
for (int i = lenght; i < 7; i++) {
zero += "0";
}
message = zero + message;
TEXT = text;
// 创建条形码的BufferedImage图像
BufferedImage image = getJBarcode().createBarcode(message);
/*int a = image.getWidth();
int b = image.getHeight();
System.out.println("生成的图片:宽为"+a+"、高为"+b);*/
ImageUtil.encodeAndWrite(image, ImageUtil.PNG, os, BARCODE_DPI, BARCODE_DPI);
os.flush();
} catch (Exception e) {
throw new RuntimeException(e);
}
}
/**
* 静态内部类 自定义的 TextPainter, 允许定义字体,大小,文本等
* 参考底层实现:BaseLineTextPainter.getInstance()
*/
private static class CustomTextPainter implements TextPainter {
private static CustomTextPainter instance = new CustomTextPainter();
public static CustomTextPainter getInstance() {
return instance;
}
public void paintText(BufferedImage barCodeImage, String text, int width) {
// 绘图
Graphics g2d = barCodeImage.getGraphics();
// 创建字体
Font font = new Font(FONT_FAMILY, Font.PLAIN, FONT_SIZE * width);
g2d.setFont(font);
//g2d.drawRect(0, 0, 500, 500);
FontMetrics fm = g2d.getFontMetrics();
// 高度
int height = fm.getHeight();
// 中心 这里的text是指的条形码数字
int center = (barCodeImage.getWidth() - fm.stringWidth(text)) / 2 + 10;
/*int a = (barCodeImage.getWidth() - fm.stringWidth(TEXTONE)) / 2;
int b = (barCodeImage.getWidth() - fm.stringWidth(TEXTTWO)) / 2;
int c = (barCodeImage.getWidth() - fm.stringWidth(TEXTTHREE)) / 2;*/
int d = (barCodeImage.getWidth() - fm.stringWidth(TEXT)) / 2;
// 条形内容上下的颜色
g2d.setColor(Color.WHITE);
// 条形码-----码的上部
//g2d.fillRect(0, 0, barCodeImage.getWidth(), barCodeImage.getHeight() * 1 / 20);
g2d.fillRect(0, 0, barCodeImage.getWidth(), barCodeImage.getHeight() * 7 / 20);
// 条形码-----码的底部
g2d.fillRect(0, barCodeImage.getHeight() - (height * 9 / 10), barCodeImage.getWidth(), (height * 9 / 10));
// 显示的字体颜色(包括条形码下方的数字)
g2d.setColor(Color.BLACK);
// 绘制文本
/*g2d.drawString(TEXTONE, a, 145);
g2d.drawString(TEXTTWO, b, 170);
g2d.drawString(TEXTTHREE, c, 195);*/
g2d.drawString(TEXT, d, 30);
// 绘制安保或者涉案字样
g2d.drawString("SA", 16, 55);
// 绘制条形码的数字内容
//g2d.drawString(text, center, barCodeImage.getHeight() - (height / 10) - 2);//在最下面
g2d.drawString(text, center, 55);//在中间
}
}
public static void main(String[] args) {
BlockingQueue<Runnable> queue = new ArrayBlockingQueue<Runnable>(50);
ThreadPoolExecutor executor = new ThreadPoolExecutor(8, 8, 1, TimeUnit.DAYS, queue);
Long data = new Date().getTime();
String datas = data.toString();
List<File> fileList = new ArrayList<File>();
// 存放地址
File newImagepath = new File("d:/" + datas + ".jpg");
fileList.add(newImagepath);
// 生成条形码的内容
String content = "6";
// 显示在条形码上的文字
String text = "第04箱";
try {
if (executor.getQueue().size() > 30) {
Thread.sleep(200);
}
// 生成条形码的方法
MultithreadForBarCod barCode = new MultithreadForBarCod();
barCode.setMessage(content);
barCode.setFile(newImagepath);
barCode.setText(text);
executor.execute(barCode);
Thread.sleep(20);
} catch (Exception e) {
System.out.println(e.getMessage());
e.printStackTrace();
try {
Thread.sleep(500);
} catch (InterruptedException e1) {
e1.printStackTrace();
}
}
executor.shutdown();
}
}