package com.ylpw.utils;
import java.awt.image.BufferedImage;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import javax.servlet.ServletOutputStream;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.log4j.Logger;
import org.krysalis.barcode4j.impl.code128.Code128Bean;
import org.krysalis.barcode4j.impl.code39.Code39Bean;
import org.krysalis.barcode4j.output.bitmap.BitmapCanvasProvider;
import org.krysalis.barcode4j.tools.UnitConv;
/**
* User:T.L
* Date:Nov 2, 2011
* Time:5:36:56 PM
* Class Description:一维/二维码生成工具类
*/
public class BarcodeUtils {
/**
* Logger for this class
*/
private static final Logger logger = Logger.getLogger(BarcodeUtils.class);
/**
*
* User:T.L
* Description:
* @param code 需要显示的字体串.
* @param showTxt 是否显示条码文字
* @param width 宽(默认150)
* @param height 高(默认15)
* @param dpi 生成图片像素(默认300)
* @param wideFactor 条形码间距(默认3)
* @param isQuietZone 是否在条形码两边加空白(默认false)
* @param quietZone 条形码空白像素(默认为3,在isQuietZone为true情况下)
* @param out 流
*
*/
private static byte[] Code39BeanMain(String code,boolean showTxt,int width,int height,int dpi,int wideFactor,
boolean isQuietZone,int quietZone,ByteArrayOutputStream byteArrayOutputStream) {
width = 0 >= width ? 150:width;//宽默认150
height = 0 >= height ? 15:height;//高默认15
wideFactor = 0 >= wideFactor ? 3 : wideFactor;//条形码间距默认3
quietZone = 0 >= quietZone?3:quietZone;
dpi = 0>=dpi? 300 : dpi;
if(null != byteArrayOutputStream){
try {
Code39Bean bean = new Code39Bean();
bean.setModuleWidth(UnitConv.in2mm(1.0f / width));//宽
bean.setBarHeight(height);//高
bean.setWideFactor(wideFactor);//条码间距
bean.doQuietZone(isQuietZone);//是否留两边空白
bean.setQuietZone(quietZone);//如果是留空白,留两边空白的像素
//是否显示文字信息
if(!showTxt){
bean.setFontSize(0);
}
try {
BitmapCanvasProvider canvas = new BitmapCanvasProvider(byteArrayOutputStream,
"image/jpeg", dpi, BufferedImage.TYPE_BYTE_BINARY,
false, 0);
bean.generateBarcode(canvas, code);
canvas.finish();
} finally {
byteArrayOutputStream.close();
}
} catch (Exception e) {
logger.error(e.getMessage(), e);
}
}
return byteArrayOutputStream.toByteArray();
}
/**
* 生成一维码 128 位
* @param code 需要显示的字体串.
* @param showTxt 是否显示条码文字
* @param width 宽(默认150)
* @param height 高(默认15)
* @param dpi 生成图片像素(默认300)
* @param wideFactor 条形码间距(默认3)
* @param isQuietZone 是否在条形码两边加空白(默认false)
* @param quietZone 条形码空白像素(默认为3,在isQuietZone为true情况下)
* @param out 流
* @return
*
*/
private static byte[] Code128BeanMain(String code,boolean showTxt,int width,int height,int dpi,int wideFactor,
boolean isQuietZone,int quietZone,ByteArrayOutputStream byteArrayOutputStream) {
width = 0 >= width ? 150:width;//宽默认150
height = 0 >= height ? 15:height;//高默认15
wideFactor = 0 >= wideFactor ? 3 : wideFactor;//条形码间距默认3
quietZone = 0 >= quietZone?3:quietZone;
dpi = 0>=dpi? 300 : dpi;
if(null != byteArrayOutputStream){
try {
Code128Bean bean = new Code128Bean();
bean.setModuleWidth(UnitConv.in2mm(1.0f / width));//宽
bean.setBarHeight(height);//高
// bean.setWideFactor(wideFactor);//条码间距
bean.doQuietZone(isQuietZone);//是否留两边空白
bean.setQuietZone(quietZone);//如果是留空白,留两边空白的像素
//是否显示文字信息
if(!showTxt){
bean.setFontSize(0);
}
try {
BitmapCanvasProvider canvas = new BitmapCanvasProvider(byteArrayOutputStream,
"image/jpeg", dpi, BufferedImage.TYPE_BYTE_BINARY,
false, 0);
bean.generateBarcode(canvas, code);
canvas.finish();
} finally {
byteArrayOutputStream.close();
}
} catch (Exception e) {
logger.error(e.getMessage(), e);
}
}
return byteArrayOutputStream.toByteArray();
}
/**
*
* User:T.L
* Description:获取一维码
* @param code 需要显示的字体串.
* @param showTxt 是否显示条码文字
* @param width 宽(默认150)
* @param height 高(默认15)
* @param dpi 生成图片像素(默认300)
* @param wideFactor 条形码间距(默认3)
* @param isQuietZone 是否在条形码两边加空白(默认false)
* @param quietZone 条形码空白像素(默认为3,在isQuietZone为true情况下)
* @param request
* @param response
* @throws IOException
*
*/
public static void getOneCode(String code,boolean showTxt,int width,int height,int dpi,int wideFactor,
boolean isQuietZone,int quietZone,
HttpServletRequest request, HttpServletResponse response) {
byte[] captchaChallengeAsJpeg;
//输出验证码的流
ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();
captchaChallengeAsJpeg = Code39BeanMain(code, showTxt,width, height, dpi,wideFactor, isQuietZone, quietZone, byteArrayOutputStream);
response.setHeader("Cache-Control", "no-store");
response.setHeader("Pragma", "no-cache");
response.setDateHeader("Expires", 0);
response.setContentType("image/jpeg");
ServletOutputStream responseOutputStream;
try {
responseOutputStream = response.getOutputStream();
responseOutputStream.write(captchaChallengeAsJpeg);
responseOutputStream.flush();
responseOutputStream.close();
} catch (Exception e) {
logger.error(e.getMessage(), e);
}
}
/**
* 生成一维码 128 位
* @param code 需要显示的字体串.
* @param showTxt 是否显示条码文字
* @param width 宽(默认150)
* @param height 高(默认15)
* @param dpi 生成图片像素(默认300)
* @param wideFactor 条形码间距(默认3)
* @param isQuietZone 是否在条形码两边加空白(默认false)
* @param quietZone 条形码空白像素(默认为3,在isQuietZone为true情况下)
* @param out 流
* @return
*
*/
public static void getOneCode_128(String code,boolean showTxt,int width,int height,int dpi,int wideFactor,
boolean isQuietZone,int quietZone,
HttpServletRequest request, HttpServletResponse response) {
byte[] captchaChallengeAsJpeg;
//输出验证码的流
ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();
captchaChallengeAsJpeg = Code128BeanMain(code, showTxt,width, height, dpi,wideFactor, isQuietZone, quietZone, byteArrayOutputStream);
response.setHeader("Cache-Control", "no-store");
response.setHeader("Pragma", "no-cache");
response.setDateHeader("Expires", 0);
response.setContentType("image/jpeg");
ServletOutputStream responseOutputStream;
try {
responseOutputStream = response.getOutputStream();
responseOutputStream.write(captchaChallengeAsJpeg);
responseOutputStream.flush();
responseOutputStream.close();
} catch (Exception e) {
logger.error(e.getMessage(), e);
}
}
public static byte[] saveFileOneCode_128(String code,boolean showTxt,int width,int height,int dpi,int wideFactor,
boolean isQuietZone,int quietZone) {
byte[] captchaChallengeAsJpeg;
//输出验证码的流
ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();
captchaChallengeAsJpeg = Code128BeanMain(code, showTxt,width, height, dpi,wideFactor, isQuietZone, quietZone, byteArrayOutputStream);
return captchaChallengeAsJpeg;
}
public static void main(String[] args) {
BarcodeUtils.saveFileOneCode_128("4284914", false, 0, 0,0, 0, false, 0);
}
}
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