老实说

Html2pdf

2018/01/03

java

package com.stone.service;


import com.lowagie.text.DocumentException;
import com.lowagie.text.pdf.BaseFont;
import org.apache.commons.io.FileUtils;
import org.springframework.stereotype.Service;
import org.xhtmlrenderer.pdf.ITextFontResolver;
import org.xhtmlrenderer.pdf.ITextRenderer;

import java.io.*;

/**
 * Created by shidonghua on 2017/12/29.
 */
@Service
public class Html2Pdf {

    public byte[] convert(String htmlStr) {
        ITextRenderer renderer = new ITextRenderer();
        ITextFontResolver fontResolver = renderer.getFontResolver();
        try {
            fontResolver.addFont("/Users/shidonghua/IdeaProjects/vm2pdf/src/main/resources/fonts/SimSun.ttf",
                    BaseFont.IDENTITY_H, BaseFont.NOT_EMBEDDED);
//            fontResolver.addFont("STSong-Light",
//                    "UniGB-UCS2-H",BaseFont.NOT_EMBEDDED);

        } catch (DocumentException e) {
            e.printStackTrace();
        } catch (IOException e) {
            e.printStackTrace();
        }
        ByteArrayOutputStream os = new ByteArrayOutputStream();
        renderer.setDocumentFromString(htmlStr);
        renderer.layout();
        try {
            renderer.createPDF(os);
        } catch (DocumentException e) {
            e.printStackTrace();
        }

        return os.toByteArray();
    }


    public static void main(String[] args) throws IOException {
        Html2Pdf html2Pdf = new Html2Pdf();

        ClassLoader classLoader = html2Pdf.getClass().getClassLoader();
        File htmlFile = new File(classLoader.getResource("html/htmlTest1.html").getFile());

        String htmlStr = FileUtils.readFileToString(htmlFile);
//        byte[] content = html2Pdf.convert("<html><body>test pdf</body></html>");
        byte[] content = html2Pdf.convert(htmlStr);

        FileOutputStream fstream = null;
        BufferedOutputStream stream = null;
        File file = null;
        try {
            file = new File("test.pdf");
            fstream = new FileOutputStream(file);
            stream = new BufferedOutputStream(fstream);

            stream.write(content);
        } catch (IOException e) {
            e.printStackTrace();
        } finally {
//            IOUtils.closeQuietly(fstream);

            if (stream != null) {
                try {
                    stream.close();
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }

            if (fstream != null) {
                try {
                    fstream.close();
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }


        }
    }
}

html

<html xmlns="http://www.w3.org/1999/xhtml">
<head>
    <meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
    <title>合同</title>
    <style type="text/css">
        body {font-family: SimSun;}
        @page{size:210mm,297mm}
    </style>
</head>
<body>
<table border="1" cellspacing="0" cellpadding="0">
    <tr>
        <td rowspan="2">项目单位基本信息</td>
        <td colspan="2">项目单位名称</td>
        <td colspan="2">地址</td>
        <td colspan="2">Telephone</td>
    </tr>
</table>
</body>
</html>

build.gradle

buildscript {
	ext {
		springBootVersion = '1.5.9.RELEASE'
	}
	repositories {
		mavenCentral()
	}
	dependencies {
		classpath("org.springframework.boot:spring-boot-gradle-plugin:${springBootVersion}")
	}
}

apply plugin: 'java'
apply plugin: 'eclipse'
apply plugin: 'org.springframework.boot'

group = 'com.stone.tool'
version = '0.0.1-SNAPSHOT'
sourceCompatibility = 1.8

repositories {
	mavenCentral()
}


dependencies {
	compile('org.springframework.boot:spring-boot-starter')
    compile('org.xhtmlrenderer:flying-saucer-pdf:9.0.8')
	compile('com.itextpdf:itext-asian:5.2.0')
	compile('com.itextpdf:itextpdf:5.4.3')
	compile 'org.apache.commons:commons-io:1.3.2'
	testCompile('org.springframework.boot:spring-boot-starter-test')
}

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