开发：使用pd4ml.jar和ss_css2.jar转pdf的工具类

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wx5a2f2700db360 2022-03-04 17:25:21

文章标签 java html jar 文章分类 代码人生

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();