about 4 years ago
Java如果要直接列印的話功能上是有點弱也不是很好理解
所以就順便記錄下來
先看環境，因為需要解PDF所以加載了apache.pdfbox套件
apply plugin: 'java'
sourceCompatibility = '1.5'
targetCompatibility = '1.5'
sourceSets.main.java.srcDir 'src' // 設置 Java 源碼所在目錄
compileJava.options.encoding = 'UTF-8'
compileTestJava.options.encoding = 'UTF-8'
// 設置 maven 庫地址
repositories {
mavenCentral() // 中央庫
}
// 設置依賴
dependencies {
compile 'org.apache.pdfbox:pdfbox:1.8.7'
}
//打包jar
jar {
//產出檔名設置mitake-print-0.1.0.jar
baseName = 'mitake-print'
version = '0.1.0'
//此方法類似fatjar將相依套件一併包進來
from {
configurations.runtime.collect {
it.isDirectory() ? it : zipTree(it)
}
}
//需要描述檔但不用啟動程式
manifest {
//attributes 'Main-Class': 'com.mitake.utils.print.PrintUtil'
}
//包含跟不包含則一使用
//include('com/**')
exclude('test/**')
}
再來我們需要實作Printable來達成我們列印需求
import java.awt.Graphics;
import java.awt.image.*;
import java.awt.print.*;
public class ImagePrintable implements Printable{
private double x, y, width;
private int orientation;
private BufferedImage image;
private int pagesize = 1;
public ImagePrintable(PrinterJob printJob, BufferedImage image, int pagesize) {
PageFormat pageFormat = printJob.defaultPage();
this.x = pageFormat.getImageableX();
this.y = pageFormat.getImageableY();
this.width = pageFormat.getImageableWidth();
this.orientation = pageFormat.getOrientation();
this.image = image;
this.pagesize = pagesize;
}
public ImagePrintable(PrinterJob printJob, BufferedImage image) {
PageFormat pageFormat = printJob.defaultPage();
this.x = pageFormat.getImageableX();
this.y = pageFormat.getImageableY();
this.width = pageFormat.getImageableWidth();
this.orientation = pageFormat.getOrientation();
this.image = image;
}
public int print(Graphics g, PageFormat pageFormat, int pageIndex) throws PrinterException {
if(pageIndex < pagesize){
int pWidth = 0;
int pHeight = 0;
if (orientation == PageFormat.PORTRAIT) {//直印
pWidth = (int) Math.min(width, (double) image.getWidth());
pHeight = pWidth * image.getHeight() / image.getWidth();
} else {//橫印 LANDSCAPE
pHeight = (int) Math.min(width, (double) image.getHeight());
pWidth = pHeight * image.getWidth() / image.getHeight();
}
g.drawImage(image, (int) x, (int) y, pWidth, pHeight, null);
return PAGE_EXISTS;
} else {
return NO_SUCH_PAGE;
}
}
}
再來是自訂的工具類封裝相關操作
import java.awt.image.BufferedImage;
import java.awt.print.Book;
import java.awt.print.PrinterException;
import java.awt.print.PrinterJob;
import java.io.File;
import java.io.IOException;
import java.util.List;
import javax.imageio.ImageIO;
import javax.print.DocFlavor;
import javax.print.PrintService;
import javax.print.PrintServiceLookup;
import javax.print.attribute.PrintRequestAttributeSet;
import org.apache.pdfbox.pdmodel.PDDocument;
import org.apache.pdfbox.pdmodel.PDPage;
public class PrintUtil {
private PrintService printService;
private boolean hasUI = false;
/**
* 只印一張圖
* @param filepath
* @throws IOException
* @throws PrinterException
*/
public void printImage(String filepath) throws IOException, PrinterException{
BufferedImage image = ImageIO.read(new File(filepath));
this.printImage(image);
}
/**
* 只印一張圖
* @param image
* @throws PrinterException
*/
public void printImage(BufferedImage image) throws PrinterException{
PrinterJob printJob = PrinterJob.getPrinterJob();
if(this.printService != null){
printJob.setPrintService(printService);
}
printJob.setPrintable(new ImagePrintable(printJob, image));
if(hasUI == true){
if (printJob.printDialog()) {
printJob.print();
}
}else{
printJob.print();
}
}
/**
* 印整個PDF
* @param filepath
* @throws IOException
* @throws PrinterException
*/
public void printPdf(String filepath) throws IOException, PrinterException{
PDDocument doc = PDDocument.load(filepath);
this.printPdf(doc);
}
/**
* 印整個PDF
* @param doc
* @throws IOException
* @throws PrinterException
*/
public void printPdf(PDDocument doc) throws IOException, PrinterException{
PrinterJob printJob = PrinterJob.getPrinterJob();
Book book = new Book();
List pages = doc.getDocumentCatalog().getAllPages();
for(int i=0;i<pages.size();i++){
PDPage page = (PDPage) pages.get(i);
BufferedImage image = page.convertToImage();
book.append(new ImagePrintable(printJob, image, pages.size()), printJob.defaultPage());
}
printJob.setPageable(book);
if(this.printService != null){
printJob.setPrintService(printService);
}
if(hasUI == true){
if (printJob.printDialog()) {
printJob.print();
}
}else{
printJob.print();
}
}
/**
* 找出一樣的印表機名稱
* @param printname
* @return
*/
public PrintService findPrintServicesName(String printname){
PrintService printservice = null;
PrintService services[] = this.findPrintServices(null, null);
if (services.length == 0){
return null;
}
for(int i = 0 ; i < services.length ; i++){
PrintService ps = services[i];
if(printname.equalsIgnoreCase(ps.getName())){
printservice = ps;
}
}
return printservice;
}
/**
* 依照條件找出可用的印表機
* @param docflavor
* @param pras
* @return
*/
public PrintService[] findPrintServices(DocFlavor docflavor, PrintRequestAttributeSet pras){
PrintService[] services = PrintServiceLookup.lookupPrintServices(docflavor, pras);
return services;
}
public PrintService getPrintService() {
return printService;
}
public void setPrintService(PrintService printService) {
this.printService = printService;
}
public boolean isHasUI() {
return hasUI;
}
public void setHasUI(boolean hasUI) {
this.hasUI = hasUI;
}
}
使用方法
PrintUtil printUtil = new PrintUtil();
//找出特定印表機並指定使用
String printname = "\\\\PRINT.com.tw\\HP LaserJet Professional P1606dn-PCD";
PrintService printService = printUtil.findPrintServicesName(printname);
printUtil.setPrintService(printService);
//列印圖片
printUtil.printImage("D:/test_4753813843870926843.png");
//列印PDF
printUtil.printPdf("D:/測試2.pdf");
圖片的話好像ImageIO的限制所以有些jpg是不能印出來的(正確說是讀不進來)，反正暫時用不到就不處理了
