wkhtmltopdf+itext实现html生成pdf文件的打印下…

# linux path
#wkhtmltopdfPath 指向wkhtmltopdfPath安装的bin目录下wkhtmltopdf
wkhtmltopdfPath=/home/wkhtmltox/bin/wkhtmltopdf
#pdf
pdfLocationPathForLinux=/home/prd-gehcpp-01/otoResources/pdf/
waterPdfLocationPathForLinux=/home/prd-gehcpp-01/otoResources/waterPdf/

# windows path
#photoLocationPath=D://otoResources//photo//
#pdf文件路径
pdfLocationPath= D://otoResources//pdf//
#添加水印后文件路径
waterPdfLocationPath= D://otoResources//waterPdf//

/**
 * 
 * @param response
 * @param httpUrl 需要生成pdf的请求地址
 * @param downName 生成pdf后的文件名
 * @return
 */
@RequestMapping("pdfConvert")
@ResponseBody
public Response htmlToPdf(HttpServletResponse response ,@RequestParam String httpUrl,String downName) {
    return  geFileService.htmlToPdf(response,httpUrl,downName);
}

   Response htmlToPdf(HttpServletResponse response, String httpUrl,String downName);

package com.ge.service.impl;

import com.common.exception.MyException;
import com.ge.service.GeFileService;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.stereotype.Service;
import pdf.HtmlToPdfUtil;
import utils.Response;
import utils.ResultHttpStatus;

import javax.servlet.http.HttpServletResponse;
import java.io.*;
import java.util.UUID;

import static utils.PropertiesUtil.getProperty;

/**
 * @Author: gaofeng_peng
 * @Date: 2018/6/13 13:47
 */
@Service("GeFileService")
public class FileServiceImpl implements GeFileService {
    private Logger logger = LoggerFactory.getLogger(FileServiceImpl.class);

    public static String pdfLocationPath;

    public static String waterPdfLocationPath;

    public static  String systemOs;
    /**
     * 根据服务器系统设置pdf文件路径
     */
    static {
        systemOs = System.getProperty("os.name");
        if (systemOs.toLowerCase().startsWith("win")) {
            pdfLocationPath = getProperty("pdfLocationPath");
            waterPdfLocationPath = getProperty("waterPdfLocationPath");
        } else {
            pdfLocationPath = getProperty("pdfLocationPathForLinux");
            waterPdfLocationPath = getProperty("waterPdfLocationPathForLinux");
        }
    }

  
  
    @Override
    public Response htmlToPdf(HttpServletResponse res, String httpUrl, String downName) {
        Response response = new Response(ResultHttpStatus.OK.getValue(), ResultHttpStatus.OK.getName());
        //判断路径是否存在，不存在则创建
        File fileDir = new File(pdfLocationPath);
        File waterFileDir = new File(waterPdfLocationPath);
        if (!fileDir.exists()) {
            fileDir.setWritable(true);
            fileDir.mkdirs();
        }
        if (!waterFileDir.exists()) {
            waterFileDir.setWritable(true);
            waterFileDir.mkdirs();
        }
        String fileName = UUID.randomUUID().toString() + ".pdf";
        String source = pdfLocationPath + fileName;
        String outPath = waterPdfLocationPath + fileName;
        try {
            //调用HtmlToPdfUtilz中的convent的方法使html生成pdf
            boolean isSuccess = HtmlToPdfUtil.convert(httpUrl, source,systemOs);
            if (isSuccess) {
                //水印加密
                //  HtmlToPdfUtil.setWaterMarkForPDF(source,outPath,"");
                download(res, downName, fileName);
            } else {
                throw new MyException("pdf下载异常");
            }

        } catch (Exception e) {
            response.setMsg(e.getMessage());
            response.setStatus(ResultHttpStatus.INTERNAL_ERROR.getValue());
        }
        return response;
    }

/**
 * 响应下载
 * @param resp
 * @param downloadName 下载的pdf文件名
 * @param fileName 系统中真正的文件名
 */

    public void download(HttpServletResponse resp, String downloadName, String fileName) {
        try {
            downloadName = new String(downloadName.getBytes("GBK"), "ISO-8859-1");
        } catch (UnsupportedEncodingException e) {
            e.printStackTrace();
        }
        String realPath = pdfLocationPath;
        String path = realPath + fileName;
        File file = new File(path);
        resp.reset();
        resp.setContentType("application/octet-stream");
        resp.setCharacterEncoding("utf-8");
        resp.setContentLength((int) file.length());
        resp.setHeader("Content-Disposition", "attachment;filename=" + downloadName + ".pdf");
        byte[] buff = new byte[1024];
        BufferedInputStream bis = null;
        OutputStream os = null;
        try {
            os = resp.getOutputStream();
            bis = new BufferedInputStream(new FileInputStream(file));
            int i = 0;
            while ((i = bis.read(buff)) != -1) {
                os.write(buff, 0, i);
                os.flush();
            }
        } catch (IOException e) {
            e.printStackTrace();
        } finally {
            try {
                bis.close();
                //完成后删除本地pdf文件
                file.delete();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }

    }
}

package pdf;


import com.itextpdf.text.BaseColor;
import com.itextpdf.text.pdf.BaseFont;
import com.itextpdf.text.pdf.PdfContentByte;
import com.itextpdf.text.pdf.PdfReader;
import com.itextpdf.text.pdf.PdfStamper;
import org.apache.commons.lang3.StringUtils;
import utils.PropertiesUtil;

import java.io.FileOutputStream;

/**
 * @Author: gaofeng_peng
 * @Date: 2018/7/5 13:13
 */
public class HtmlToPdfUtil {
    //wkhtmltopdf在系统中的路径
    // private static final String toPdfTool = "D:\\wkhtmltox\\bin\\wkhtmltopdf.exe";


    /**
     * html转pdf
     *
     * @param srcPath    html路径
     * @param pdfLocationPath pdf保存路径
     * @return 转换成功返回true
     */
    public static boolean convert(String srcPath, String pdfLocationPath, String systemOs) throws Exception {
        String toPdfTool="";
        if (systemOs.toLowerCase().startsWith("win")) {
             toPdfTool = HtmlToPdfUtil.class.getClassLoader().getResource("wkhtmltox/bin/wkhtmltopdf.exe").getPath();
        }else {
            toPdfTool= PropertiesUtil.getProperty("wkhtmltopdfPath");
        }
        StringBuilder cmd = new StringBuilder();
        cmd.append(toPdfTool);
        cmd.append(" ");
        cmd.append("  --background");
        cmd.append(" --debug-javascript");
        cmd.append("  --header-line");//页眉下面的线
        cmd.append(" --header-spacing 10 ");//    (设置页眉和内容的距离,默认0)

        cmd.append(srcPath);
        cmd.append(" ");
        cmd.append(pdfLocationPath);

        boolean result = true;
        try {
            Process proc = Runtime.getRuntime().exec(cmd.toString());
            HtmlToPdfInterceptor error = new HtmlToPdfInterceptor(proc.getErrorStream());
            HtmlToPdfInterceptor output = new HtmlToPdfInterceptor(proc.getInputStream());
            error.start();
            output.start();
            proc.waitFor();
        } catch (Exception e) {
            result = false;
            e.printStackTrace();
        }
        return result;
    }

    /**
     * 生成水印，加密在这里实现
     * @param sourceFilePath    源文件路径
     * @param fileWaterMarkPath 水印生成文件路径
     * @throws Exception
     */
    public static void setWaterMarkForPDF(String sourceFilePath, String fileWaterMarkPath, String waterMarkName) throws Exception {
        //  String waterPath = Class.class.getClass().getResource("/1.png").getPath();
        PdfReader reader = new PdfReader(sourceFilePath);
        PdfStamper stamp = new PdfStamper(reader, new FileOutputStream(fileWaterMarkPath));

        int total = reader.getNumberOfPages() + 1;
        PdfContentByte under = null;
        //Image img = Image.getInstance(waterPath);
        //img.setAbsolutePosition(30, 100);//坐标
        // img.setRotation(-20);//旋转 弧度
        //img.setRotationDegrees(-35);//旋转 角度
        //img.scaleAbsolute(200,100);//自定义大小
        //img.scalePercent(100);//依照比例缩放
        BaseFont bf = BaseFont.createFont(BaseFont.HELVETICA,
                BaseFont.CP1252, BaseFont.NOT_EMBEDDED);
        if (StringUtils.isBlank(waterMarkName)) {
            waterMarkName = "Tech Mahindra";
        }

        int j = waterMarkName.length();
        char c = 0;
        int rise = 0;
        for (int i = 1; i < total; i++)  // 每一页都加水印
        {
            rise = 500;
            under = stamp.getUnderContent(i);
            // 添加图片
            // under.addImage(img);
            under.beginText();
            under.setColorFill(BaseColor.BLACK);
            under.setFontAndSize(bf, 30);
            // 设置水印文字字体倾斜 开始
            if (j >= 15) {
                under.setTextMatrix(200, 120);
                for (int k = 0; k < j; k++) {
                    under.setTextRise(rise);
                    c = waterMarkName.charAt(k);
                    under.showText(c + "");
                    rise -= 20;
                }
            } else {
                under.setTextMatrix(180, 100);
                for (int k = 0; k < j; k++) {
                    under.setTextRise(rise);
                    c = waterMarkName.charAt(k);
                    under.showText(c + "");
                    rise -= 18;
                }
            }
            // 字体设置结束
            under.endText();
        }

        stamp.close();
        reader.close();
    }
}

package pdf;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
/**
 * @Author: gaofeng_peng
 * @Date: 2018/7/5 13:17
 */
public class HtmlToPdfInterceptor extends Thread {
    private InputStream is;

    public HtmlToPdfInterceptor(InputStream is){
        this.is = is;
    }

    public void run(){
        try{
            InputStreamReader isr = new InputStreamReader(is, "utf-8");
            BufferedReader br = new BufferedReader(isr);
            String line = null;
            while ((line = br.readLine()) != null) {
                System.out.println(line.toString()); //输出内容
            }
        }catch (IOException e){
            e.printStackTrace();
        }
    }
}