@@ -1,59 +1,102 @@
package com.ktg.common.utils.barcode ;
import com.google.zxing.BarcodeFormat ;
import com.google.zxing.EncodeHintType ;
import com.google.zxing.MultiFormatWriter ;
import com.google.zxing.WriterException ;
import com.google.zxing.common.BitMatrix ;
import com.google.zxing.qrcode.decoder.ErrorCorrectionLevel ;
import com.ktg.common.constant.UserConstants ;
import com.ktg.common.utils.StringUtils ;
import org.krysalis.barcode4j.impl.AbstractBarcodeBean ;
import org.krysalis.barcode4j.impl.code39.Code39Bean ;
import org.krysalis.barcode4j.impl.upcean.EAN13Bean ;
import org.krysalis.barcode4j.impl.upcean.UPCABean ;
import org.krysalis.barcode4j.output.bitmap.BitmapCanvasProvider ;
import org.krysalis.barcode4j.tools.UnitConv ;
import java.io.ByteArrayOutputStream ;
import javax .imageio.ImageIO ;
import java.awt.* ;
import java.awt.geom.RoundRectangle2D ;
import java.awt.image.BufferedImage ;
import java.io.FileNotFoundException ;
import java.io.File ;
import java.io.FileOutputStream ;
import java.io.IOException ;
import java.io.OutputStream ;
import java.io.File ;
import java.util.Map ;
import java.util.UUID ;
import java.util.concurrent.ConcurrentHashMap ;
public class BarcodeUtil {
public static File generateFile ( String msg , String path ) {
private static final String CHARSET = " utf-8 " ;
private static final String FORMAT_NAME = " PNG " ;
// 二维码尺寸，长宽尺寸一致
private static final int QRCODE_SIZE = 300 ;
// 二维码内部logo的宽和高
private static final int WIDTH = 60 ;
private static final int HEIGHT = 60 ;
public static File generateBarCode ( String msg , String barCodeFormat , String path ) {
File file = new File ( path ) ;
try {
generate ( msg , new FileOutputStream ( file ) ) ;
} catch ( FileNotFoundException e ) {
throw new RuntimeException ( e ) ;
}
if ( StringUtils . isEmpty ( msg ) ) {
throw new RuntimeException ( " 条码内容不能为空！ " ) ;
}
//检查父级目录是否存在，不存在先新建
File parentFile = file . getParentFile ( ) ;
if ( ! parentFile . exists ( ) ) {
parentFile . mkdirs ( ) ;
}
/*
* 生成条码
*/
if ( UserConstants . QR_CODE . equals ( barCodeFormat ) ) {
//生成二维码
generateQRCode ( msg , null , file . getAbsolutePath ( ) , false ) ;
} else {
//生成一维码
generateLineCode ( msg , barCodeFormat , file . getAbsolutePath ( ) ) ;
}
} catch ( Exception e ) {
throw new RuntimeException ( " 生成条码发生错误： " + e . getMessage ( ) ) ;
}
return file ;
}
public static byte [ ] generate ( String msg ) {
ByteArrayOutputStream ous = new ByteArrayOutputStream ( ) ;
generate ( msg , ous ) ;
return ous . toByteArray ( ) ;
}
public static void generate ( String msg , OutputStream ous ) {
if ( StringUtils . isEmpty ( msg ) | | ous = = null ) {
return ;
}
Code39Bean bean = new Code39Bean ( ) ;
/**
* 生成一维条形码
* @param msg 条形码的内容
* @param barCodeFormat 条形码格式 see {@link UserConstants}
* @param destFilePath 条形码存储的路径
* @throws Exception
*/
public static void generateLineCode ( String msg , String barCodeFormat , String destFilePath ) throws Exception {
AbstractBarcodeBean bean = null ;
if ( UserConstants . EAN_CODE . equals ( barCodeFormat ) ) {
bean = new EAN13Bean ( ) ;
} else if ( UserConstants . CODE39_CODE . equals ( barCodeFormat ) ) {
bean = new Code39Bean ( ) ;
} else if ( UserConstants . UPC_CODE . equals ( barCodeFormat ) ) {
bean = new UPCABean ( ) ;
} else {
throw new Exception ( " 不支持的条码类型！ " ) ;
}
// 精细度
final int dpi = 150 ;
// module宽度
final double m oduleWidth = UnitConv . in2mm ( 1 . 0f / dpi ) ;
if ( bean instanceof Code39Bean ) {
Code39Bean c odeBean = ( Code39Bean ) bean ;
// module宽度
final double moduleWidth = UnitConv . in2mm ( 1 . 0f / dpi ) ;
// 配置对象
bean . setModuleWidth ( moduleWidth ) ;
b ean. setWideFactor ( 3 ) ;
bean . doQuietZone ( false ) ;
// 配置对象
bean . setModuleWidth ( moduleWidth ) ;
codeB ean. setWideFactor ( 3 ) ;
bean . doQuietZone ( false ) ;
}
String format = " image/png " ;
try {
// 输出到流
BitmapCanvasProvider canvas = new BitmapCanvasProvider ( ous , format , dpi ,
BitmapCanvasProvider canvas = new BitmapCanvasProvider ( new FileOutputStream ( destFilePath ) , format , dpi ,
BufferedImage . TYPE_BYTE_BINARY , false , 0 ) ;
// 生成条形码
@@ -65,4 +108,110 @@ public class BarcodeUtil {
throw new RuntimeException ( e ) ;
}
}
/**
* 生成带logo二维码，
*
* @param content 二维码的内容
* @param imgPath 二维码内部插入的图片路径，如果不需要可以传空
* @param destFilePath 整个二维码存储的路径
* @param needCompress 二维码内部插入的图片是否需要压缩的标识
* @throws Exception 异常
*/
public static void generateQRCode ( String content , String imgPath , String destFilePath , boolean needCompress ) throws Exception {
BufferedImage image = createQrCode ( content , imgPath , needCompress ) ;
ImageIO . write ( image , FORMAT_NAME , new File ( destFilePath ) ) ;
}
/**
* 生成二维码图片
*
* @param content 二维码内容
* @param imagePath 二维码内部图片路径,如果不需要可以传空
* @param needCompress 二维码内部图片是否需要压缩标识
* @return 二维码图片
* @throws WriterException 异常
*/
private static BufferedImage createQrCode ( String content , String imagePath , boolean needCompress ) throws WriterException , IOException {
/**
* EncodeHintType 编码提示类型 枚举类型:
* CHARACTER_SET: 设置字符编码类型 "UTF-8" QR_CODE类型默认的编码格式 "ISO-8859-1"
* MARGIN: 设置二维码边距，单位像素，值越小，二维码距离四周越近
* ERROR_CORRECTION: 设置误差校正
* ErrorCorrectionLevel： ，
* 不设置时，默认为 L 等级，等级不一样，生成的图案不同，但扫描的结果是一样的
*/
Map < EncodeHintType , Object > hints = new ConcurrentHashMap < > ( 3 ) ;
hints . put ( EncodeHintType . ERROR_CORRECTION , ErrorCorrectionLevel . H ) ;
hints . put ( EncodeHintType . CHARACTER_SET , CHARSET ) ;
hints . put ( EncodeHintType . MARGIN , 1 ) ;
//加密生成二维码的矩阵对象 二维的0 1 然后根据特定的值选择属性
BitMatrix bitMatrix = new MultiFormatWriter ( ) . encode ( content , BarcodeFormat . QR_CODE , QRCODE_SIZE , QRCODE_SIZE , hints ) ;
int width = bitMatrix . getWidth ( ) ;
int height = bitMatrix . getHeight ( ) ;
BufferedImage image = new BufferedImage ( width , height , BufferedImage . TYPE_INT_RGB ) ;
for ( int i = 0 ; i < width ; i + + ) {
for ( int j = 0 ; j < height ; j + + ) {
//设置二维码的黑色0xFF000000 和白色0xFFFFFFFF
image . setRGB ( i , j , bitMatrix . get ( i , j ) ? 0xFF000000 : 0xFFFFFFFF ) ;
}
}
if ( StringUtils . isBlank ( imagePath ) ) {
return image ;
}
//插入小图标 logo
insertImage ( image , imagePath , needCompress ) ;
return image ;
}
/**
* 将logo插入二维码中间
*
* @param source 生成的二位码存储对象
* @param imagePath 二维码内部图片的路径
* 一般的业务场景会把插入的小logo放到oss生成url
* @param needCompress 二维码内部图片是否需要压缩
* @throws IOException 异常
*/
private static void insertImage ( BufferedImage source , String imagePath , boolean needCompress ) throws IOException {
File file = new File ( imagePath ) ;
if ( ! file . exists ( ) ) {
//可以自定义抛出异常
throw new RuntimeException ( " 文件路径不存在: " + imagePath ) ;
}
//这里修改ImageIO.read() 内可以接受Url InputStream File ImageInputStream
Image src = ImageIO . read ( file ) ;
int width = src . getWidth ( null ) ;
int height = src . getHeight ( null ) ;
//是否压缩
if ( needCompress ) {
if ( width > WIDTH ) {
width = WIDTH ;
}
if ( height > HEIGHT ) {
height = HEIGHT ;
}
Image image = src . getScaledInstance ( width , height , Image . SCALE_SMOOTH ) ;
BufferedImage tag = new BufferedImage ( width , height , BufferedImage . TYPE_INT_RGB ) ;
Graphics g = tag . getGraphics ( ) ;
g . drawImage ( image , 0 , 0 , null ) ;
g . dispose ( ) ;
src = image ;
}
Graphics2D graphics = source . createGraphics ( ) ;
int x = ( QRCODE_SIZE - width ) / 2 ;
int y = ( QRCODE_SIZE - height ) / 2 ;
graphics . drawImage ( src , x , y , width , height , null ) ;
Shape shape = new RoundRectangle2D . Float ( x , y , width , width , 6 , 6 ) ;
graphics . setStroke ( new BasicStroke ( 3f ) ) ;
graphics . draw ( shape ) ;
graphics . dispose ( ) ;
}
public static void main ( String [ ] args ) {
String msg = " item12345678 " ;
String EANmsg = " 012345678901 " ;
String UPCmsg = " 12345678901 " ;
String path = " D:/test/barcode/ " + UUID . randomUUID ( ) + " .png " ;
generateBarCode ( msg , UserConstants . QR_CODE , path ) ;
}
}
DESKTOP-J7ED0MB\yinjinlu