java jbarcode.jar_Java实现条形码组件-商品条形码（JBarcode）
package com.liuyc.test.demo;
import java.awt.image.BufferedImage;
import java.io.File;
import java.io.FileOutputStream;
import java.io.UnsupportedEncodingException;
import java.net.URLDecoder;
import java.util.regex.Pattern;
import org.apache.commons.lang.StringUtils;
import org.jbarcode.JBarcode;
import org.jbarcode.encode.EAN13Encoder;
import org.jbarcode.paint.EAN13TextPainter;
import org.jbarcode.paint.WideRatioCodedPainter;
import org.jbarcode.paint.WidthCodedPainter;
import org.jbarcode.util.ImageUtil;
/**
*
* @=============================================
*
* @author : Liuyc
* @create : 2015年1月26日 14:47:57
* @update :
* @bolg : http://www.cnblogs.com/yuchuan/
* @csdn : http://blog.csdn.net/l_lycos
* @E-mail : 763999883@qq.com
* @desc :
*
* @=============================================
*/
public class BarCodeImage {
/**
* 图片类型
*/
public enum ImgType {
/**
* 图片格式：.gif
*/
GIF(".gif"),
/**
* 图片格式：.png
*/
PNG(".png"),
/**
* 图片格式：.jpg
*/
JPG(".jpg"),
/**
* 图片格式：.jpeg
*/
JPEG(".jpeg"), ;
ImgType(String value) {
this.value = value;
}
private final String value;
public String getValue() {
return value;
}
}
/**
* 生成商品条形码
*
* @param filePath
* 商品条形码图片存放路径：../xxx/yyy/
* @param jbarCode
* 商品条形码：8位、13位
* @param format
* 商品条形码图片格式：.gif/.png/.jpg/.jpeg
* @return 图片存放路径+图片名称+图片文件类型
*/
public String createBarCode(String filePath, String jbarCode, String format) {
String barCodeName = jbarCode + format;
try {
BufferedImage bi = null;
int len = jbarCode.length();
String barCode = jbarCode;
if (len == 12) {
} else if (len == 13) {
int backCode = checkCode(jbarCode);
int oldCode = Integer
.parseInt(jbarCode.substring(len - 1, len));
if (oldCode != backCode) {
return null;
}
barCode = jbarCode.substring(0, jbarCode.length() - 1);
}
JBarcode localJBarcode13 = new JBarcode(EAN13Encoder.getInstance(),
WidthCodedPainter.getInstance(),
EAN13TextPainter.getInstance());
bi = localJBarcode13.createBarcode(barCode);
if (ImgType.GIF.equals(format)) {
saveToGIF(bi, filePath, barCodeName);
} else if (ImgType.PNG.equals(format)) {
saveToPNG(bi, filePath, barCodeName);
} else if (ImgType.JPG.equals(format) || ImgType.JPEG.equals(format)) {
saveToJPEG(bi, filePath, barCodeName);
}
localJBarcode13.setEncoder(EAN13Encoder.getInstance());
localJBarcode13.setPainter(WideRatioCodedPainter.getInstance());
localJBarcode13.setTextPainter(EAN13TextPainter.getInstance());
localJBarcode13.setShowCheckDigit(false);
return filePath + barCodeName;
} catch (Exception localException) {
localException.printStackTrace();
return null;
}
}
/**
* 生成JPEG图片
*
* @param paramBufferedImage
* @param paramString
*/
@SuppressWarnings("unused")
private void saveToJPEG(BufferedImage paramBufferedImage, String filePath,
String fileName) {
saveToFile(paramBufferedImage, filePath, fileName, "jpeg");
}
/**
* 生成PNG图片
*
* @param paramBufferedImage
* @param paramString
*/
@SuppressWarnings("unused")
private void saveToPNG(BufferedImage paramBufferedImage, String filePath,
String fileName) {
saveToFile(paramBufferedImage, filePath, fileName, "png");
}
/**
* 生成GIF图片
*
* @param paramBufferedImage
* @param paramString
*/
private void saveToGIF(BufferedImage paramBufferedImage, String filePath,
String fileName) {
saveToFile(paramBufferedImage, filePath, fileName, "gif");
}
/**
* 保存图片文件
*
* @param paramBufferedImage
* 图片流
* @param filePath
* 文件路径
* @param imgName
* 图片参数
* @param imgFormat
* 图片格式
*/
private void saveToFile(BufferedImage paramBufferedImage, String filePath,
String imgName, String imgFormat) {
try {
FileOutputStream fileOutputStream = null;
try {
String rootPath = this.getClass().getClassLoader()
.getResource("/").getPath();
String imgDir = StringUtils
.substringBefore(rootPath, "WEB-INF").concat(filePath);
String dirPath = "";
try {
dirPath = URLDecoder.decode(imgDir, "UTF-8");
} catch (UnsupportedEncodingException uee) {
uee.printStackTrace();
}
File dirFile = new File(dirPath);
if (!dirFile.exists()) {
dirFile.mkdirs();
}
String imgPath = dirPath + "/" + imgName;
fileOutputStream = new FileOutputStream(imgPath);
} catch (Exception e) {
System.out.println("Create Img File Error：" + e.toString());
}
ImageUtil.encodeAndWrite(paramBufferedImage, imgFormat,
fileOutputStream, 96, 96);
fileOutputStream.close();
} catch (Exception localException) {
System.out.println("Save Img File Error：" + localException);
localException.printStackTrace();
}
}
/**
* 返回校验码
*
* @param code
* 商品条形码
* @return 校验码： -1：格式不正确，条形码为全部数字 -2：参数不能为空
*
*/
private int checkCode(String code) {
int checkCode = -1;
if (code == null || "".equals(code)) {
return -2;
} else if (!Pattern.compile("^[0-9]*$").matcher(code).matches()) {
checkCode = -1;
} else {
try {
int evensum = 0; // 偶数位的和
int oddsum = 0; // 奇数位的和
evensum += Integer.parseInt(code.substring(11, 12));
evensum += Integer.parseInt(code.substring(9, 10));
evensum += Integer.parseInt(code.substring(7, 8));
evensum += Integer.parseInt(code.substring(5, 6));
evensum += Integer.parseInt(code.substring(3, 4));
evensum += Integer.parseInt(code.substring(1, 2));
evensum *= 3;
oddsum += Integer.parseInt(code.substring(10, 11));
oddsum += Integer.parseInt(code.substring(8, 9));
oddsum += Integer.parseInt(code.substring(6, 7));
oddsum += Integer.parseInt(code.substring(4, 5));
oddsum += Integer.parseInt(code.substring(2, 3));
oddsum += Integer.parseInt(code.substring(0, 1));
int sum = evensum + oddsum;
int ck = 0;
if (sum % 10 == 0) {
ck = sum;
} else {
ck = (sum / 10 + 1) * 10;
}
checkCode = ck - sum;
} catch (NumberFormatException e) {
System.out.println("BarCode Format Error:" + e.toString());
} catch (Exception e) {
System.out.println("Get Check Code Error:" + e.toString());
}
}
return checkCode;
}
/**
* @param args
*/
public static void main(String[] args) {
}
}