160603、使用pd4ml.jar和ss_css2.jar转pdf的工具类

注意：需要导入pd4ml.jar和ss_css2.jar

import java.awt.Insets;
import java.io.BufferedInputStream;
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.StringReader;
import java.net.MalformedURLException;
import java.net.URL;
import java.security.InvalidParameterException;
import org.zefer.pd4ml.PD4Constants;
import org.zefer.pd4ml.PD4ML;
/***
* pd4ml.jar,ss_css2.jar
* @author admin
*/
public class ToPdfUtils {
protected int topValue = 10;
protected int leftValue = 20;
protected int rightValue = 10;
protected int bottomValue = 10;
protected int userSpaceWidth = 1300;
public static void main(String[] args) throws InvalidParameterException, MalformedURLException, IOException {
ToPdfUtils pdfUtils = new ToPdfUtils();
// pdfUtils.doConversion("http://pd4ml.com/sample.htm", "g:/test/pd4ml.pdf");//网络地址
String html = readFile("g:/test/confirm.html", "UTF-8"); //文件地址
pdfUtils.doConversion2(html, "g:/test/pd4ml2.pdf");
}

/**将文件转换成pdf,源文件为http://开头的网络地址*/
public void doConversion(String url, String outputPath)
throws InvalidParameterException, MalformedURLException,
IOException {
File output = new File(outputPath);
FileOutputStream fos = new FileOutputStream(output);
PD4ML pd4ml = new PD4ML();
pd4ml.setHtmlWidth(userSpaceWidth);
pd4ml.setPageSize(pd4ml.changePageOrientation(PD4Constants.A4));
pd4ml.setPageInsetsMM(new Insets(topValue, leftValue, bottomValue,rightValue));
pd4ml.addStyle("BODY {margin: 0}", true);
pd4ml.useTTF("java:fonts", true);//src下fonts文件夹中的字体设置
pd4ml.render(new URL(url), fos);
fos.close();
System.out.println(outputPath + "\ndone.");
}

public void doConversion2( String htmlDocument, String outputPath )
throws InvalidParameterException, MalformedURLException, IOException {
PD4ML pd4ml = new PD4ML();
pd4ml.setHtmlWidth(userSpaceWidth);
// 选择目标文件的格式
pd4ml.setPageSize(pd4ml.changePageOrientation(PD4Constants.A4));
// 设置边距
pd4ml.setPageInsetsMM(new Insets(topValue, leftValue, bottomValue, rightValue));
//原来的html文档也有边距，可以通过这个方式压缩
pd4ml.addStyle("BODY {margin: 0}", true);
// 如果内置的基本pdf字体不够用，可以设置成non-Latin，TTF能够做到这一点
pd4ml.useTTF("java:fonts", true);
ByteArrayOutputStream baos = new ByteArrayOutputStream();
pd4ml.render(new StringReader(htmlDocument), baos);
baos.close();
File output = new File(outputPath);
FileOutputStream fos = new FileOutputStream(output);
fos.write( baos.toByteArray() );
fos.close();
System.out.println( outputPath + "\ndone." );
}

private final static String readFile( String path, String encoding ) throws IOException {
File f = new File( path );
FileInputStream is = new FileInputStream(f);
BufferedInputStream bis = new BufferedInputStream(is);
ByteArrayOutputStream fos = new ByteArrayOutputStream();
byte buffer[] = new byte[2048];
int read;
do {
read = is.read(buffer, 0, buffer.length);
if (read > 0) {
fos.write(buffer, 0, read);
}
} while (read > -1);
fos.close();
bis.close();
is.close();
return fos.toString(encoding);
}
}