java代码怎么写条形码 java编码规范

怎么样用java生产ITF条形码。。

Barcode4J由Java语言编写而成，可以灵活的毕胡生成条形码。它采用Apache License V2.0许可，这使得它很容易在商业中被使用。它可以让您生成各种流行的一维和二维条码，包括DataMatrix 和 PDF417。以各种格式输出，包括SVG, EPS, bitmaps和Java2D，手型拦同样也可根据您的需要添加自己的输出格式租贺。它为各种应用提供了插件，包括最重要的Apache FOP（格式对象处理器）。

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条形码java代码问题 菜鸟级问题

localJBarcode.setPainter(WideRatioCodedPainter.getInstance()); 输出槐岁条谈明态码

localJBarcode.setTextPainter(BaseLineTextPainter.getInstance()); 输含源出文本

怎么用java调用用codesoft设计的条形码文档

现在代码共享如下，仅供参考因为本人还历卖不精通。

package com.prodPrint;

import java.io.File;

import java.util.HashMap;

import org.eclipse.swt.SWT;

import org.eclipse.swt.ole.win32.OleAutomation;

import org.eclipse.swt.ole.win32.OleControlSite;

import org.eclipse.swt.ole.win32.OleFrame;

import org.eclipse.swt.ole.win32.Variant;

import org.eclipse.swt.widgets.Composite;

import org.eclipse.swt.widgets.Display;

import org.eclipse.swt.widgets.Shell;

import com.lppx2.OleDispatch;

public class ActiveXPrinter extends Composite{

private OleFrame myFrame = new OleFrame(this, SWT.NONE);

// Microsoft Internet Explorer ProgID: Shell.Explorer.2

/肢穗逗/ Codesoft ProgID : Lppx2.Application

private String progId = "Lppx2.Application"族岁;

private OleControlSite controlSite;

private OleAutomation automation

private OleDispatch appActiveDoc;

private OleDispatch appDocs;

File currentFile;

public ActiveXPrinter(Composite parent, int style) {

super(parent, style);

myFrame = new OleFrame(this, SWT.NONE);

controlSite = new OleControlSite(myFrame, SWT.NONE, progId);

automation = new OleAutomation(controlSite);

}

public void print (String fileName) {

currentFile = new File(fileName);

initialize();

}

private void initialize() {

try{

Variant documents = (new OleDispatch(automation)).Invoke("Documents",new Variant[0]);

appDocs = new OleDispatch(documents.getAutomation());

if (!currentFile.canRead() ) {

System.out.println("Unable to read file : " + currentFile);

} else {

Variant file[] = new Variant[1];

file[0] = new Variant(currentFile.getAbsolutePath());

if (appDocs.Invoke("Open", file) != null) {

System.out.println(currentFile.getAbsolutePath() + " is opened now");

} else {

System.out.println("Unable to open " + currentFile.getAbsolutePath());

}

Variant activeDocumentV = (new OleDispatch(automation)).Invoke(

"ActiveDocument", new Variant[0]);

try {

appActiveDoc = new OleDispatch(activeDocumentV.getAutomation());

} catch (Exception excpt) {

}

Variant[] quantity = new Variant[1];

quantity[0] = new Variant(1);

if (appActiveDoc.Invoke("PrintDocument", quantity) != null)

System.out.println("Print OK");

else {

System.out.println("Unable to print !");

}

}

}catch(Exception excpt) {

System.out.println("You can't print anything until a document is opened !");

excpt.printStackTrace();

return;

}

}

public static void main(String[] args) {

Display display = Display.getDefault();

Shell shell = new Shell(display);

new ActiveXPrinter(shell, 0).print("C:\Document1.Lab");

while (!shell.isDisposed()) {

if (!display.readAndDispatch()) {

display.sleep();

}

}

display.dispose();

}

}

求Java大神给个代码！计算验证条形码

public class Ean13Barcode {

private String code;

public Ean13Barcode(String code) {

super();

this.code = code;

}

public String encode() {

if (null == code) {

return "";

}

char[] codes = code.toCharArray();

int sum = 0;

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

int num = codes[i] - '0';

if (isEven(num)) {

sum += num;

} else {

sum += num * 3;

}

}

int x = sum % 10;

return code + (x == 0 ? 0 : 10 - x);

}

private boolean isEven(int x) {

return x % 2 == 0;

}

public static void main(String[] args) {

System.out.println(new Ean13Barcode("692223361219").encode());

}

}