java html转pdf 使用wkhtmltox 组件

最新推荐文章于 2025-06-30 15:54:31 发布

lvsucceed

最新推荐文章于 2025-06-30 15:54:31 发布

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分类专栏： java 文章标签： HTML转pdf

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本文介绍了一种使用Freemarker模板和wkhtmltopdf组件将HTML转换为PDF的方法。通过生成随机文件名并利用命令行工具完成转换过程。适用于需要将网页内容导出为PDF格式的应用场景。

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java html转pdf

下载 wkhtmltox 组件安装

下载地址

wkhtmltox-0.12.2.4_mingw-w64-cross-win64

http://download.youkuaiyun.com/detail/lvsucceed/9278867

（Window32位）wkhtmltopdf-0.9.9-installer

http://download.youkuaiyun.com/detail/lvsucceed/9278891

package HTML2PDF;

import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.InputStream;
import java.util.Map;
import java.util.UUID;
import java.util.concurrent.TimeUnit;

import javax.annotation.Resource;

import org.apache.commons.io.IOUtils;
import org.springframework.stereotype.Component;
import org.springframework.ui.freemarker.FreeMarkerTemplateUtils;
import org.springframework.web.servlet.view.freemarker.FreeMarkerConfigurer;

import freemarker.template.Template;

/**
* 生成PDF，通过freemarker模板
* @author zf
*/
@Component("PDFTool")
public class PDFTool {

@Resource(name="webfreemarkerconfiguration")
private FreeMarkerConfigurer freemarkerconfiguration;

private final String dzorderftl = "pdftemplete/dzorder.ftl";

private static String tmpdir = PDFTool.class.getResource("/").getPath() + "tmpdir";
{
tmpdir = tmpdir.replaceAll("^/", "");
}

public InputStream generationPdfDzOrder(Map<String ,Object> params) throws Exception{
final Template template = freemarkerconfiguration.getConfiguration().getTemplate(dzorderftl);
String htmlText = FreeMarkerTemplateUtils.processTemplateIntoString(template, params);
String tmpFileName = UUID.randomUUID().toString(); //生成随机文件名
File dir = new File(tmpdir);
if(!dir.exists())
dir.mkdirs();
String htmlFileName = tmpdir + "/" + tmpFileName + ".html" ;
String pdfFileName = tmpdir + "/" + tmpFileName + ".pdf" ;
File htmlFile = new File(htmlFileName); //html文件
File pdfFile = new File(pdfFileName); //pdf文件
IOUtils.write(htmlText, new FileOutputStream(htmlFile)); //将内容写入html文件
String command = getCommand(htmlFileName , pdfFileName);
Runtime.getRuntime().exec(command);
TimeUnit.SECONDS.sleep(3);
return new FileInputStream(pdfFile);
}

public String gethtmltest(){
String html="";
html+="<!DOCTYPE html>";
html+="<html>";
html+="<head>";
html+="<title>test.html</title>";
html+="<meta name=\"content-type\" content=\"text/html; charset=UTF-8\">";
html+="</head>";
html+="<body>";
html+="This is my HTML pa ge1. ";
html+="This is my HTML page2. ";
html+="This is my HTML page 3. ";
html+="This is my HTML page4. ";
html+="This is my HTML p age5. ";
html+=" </body>";
html+="</html>";

return html;

}
public InputStream generationPdfDzOrder1() throws Exception{
String htmlText = gethtmltest();
String tmpFileName ="test"; //生成随机文件名
File dir = new File(tmpdir);
if(!dir.exists())
dir.mkdirs();
String htmlFileName = tmpdir + "/" + tmpFileName + ".html" ;
String pdfFileName = tmpdir + "/" + tmpFileName + ".pdf" ;
System.out.println("htmlFileName=========="+htmlFileName);
System.out.println("pdfFileName=========="+pdfFileName);
File htmlFile = new File(htmlFileName); //html文件
File pdfFile = new File(pdfFileName); //pdf文件
IOUtils.write(htmlText, new FileOutputStream(htmlFile)); //将内容写入html文件
//String command = getCommand(htmlFileName , pdfFileName);

//command wkhtmltopdf.exe运行地址空格加html地址加空格加pdf存储地址

String command ="D:/wkhtmltopdf/bin/wkhtmltopdf.exe " + htmlFileName + " " + pdfFileName;

System.out.println("command]============"+command);

Runtime.getRuntime().exec(command);
TimeUnit.SECONDS.sleep(3);
return new FileInputStream(pdfFile);
}

public String getCommand(String htmlName , String pdfName){
String system = System.getProperty("os.name");
if("Windows XP".equalsIgnoreCase(system))//xp系统
return "D:/wkhtmltopdf/bin/wkhtmltopdf.exe " + htmlName + " " + pdfName;
else if("Linux".equalsIgnoreCase(system))//linux 系统
return "wkhtmltopdf-amd64 " + htmlName + " " + pdfName;
return "" ;
}

public static void main(String[] args) {
PDFTool pdfTool=new PDFTool();
try {
pdfTool.generationPdfDzOrder1();
} catch (Exception e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}

}