本文实例为大家分享了java使用icepdf将pdf文件按页转成图片的具体代码，供大家参考，具体内容如下
maven icepdf包，这里过滤掉jai-core
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<dependency> <groupid>org.icepdf.os</groupid> <artifactid>icepdf-core</artifactid> <version>6.1.2</version> <exclusions> <exclusion> <groupid>javax.media</groupid> <artifactid>jai-core</artifactid> </exclusion> </exclusions></dependency> |
代码如下
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import java.awt.image.bufferedimage;import java.io.file;import java.io.fileoutputstream;import java.io.ioexception;import java.text.decimalformat;import java.util.arraylist;import java.util.iterator;import java.util.list;import java.util.map;import javax.imageio.iioimage;import javax.imageio.imageio;import javax.imageio.imagewriter;import javax.imageio.stream.imageoutputstream;import org.apache.commons.logging.logfactory;import org.icepdf.core.exceptions.pdfexception;import org.icepdf.core.exceptions.pdfsecurityexception;import org.icepdf.core.pobjects.document;import org.icepdf.core.pobjects.page;import org.icepdf.core.util.graphicsrenderinghints;public class test20160929 { public static final string filetype_jpg = "jpg"; /** * * 将指定的pdf文件转换为指定路径的图片 * * @param filepath 原文件路径，例如d:/test/test.pdf * * @param imagepath 图片生成路径，例如 d:/test/ * * @param zoom 缩略图显示倍数，1表示不缩放，0.3则缩小到30% * */ public static void tranfer(string filepath, string imagepath, float zoom) throws pdfexception, pdfsecurityexception, ioexception { document document = null; float rotation = 0f; document = new document(); document.setfile(filepath); int maxpages = document.getpagetree().getnumberofpages(); for (int i = 0; i < maxpages; i++) { bufferedimage img = (bufferedimage) document.getpageimage(i, graphicsrenderinghints.screen, page.boundary_cropbox, rotation, zoom); iterator iter = imageio.getimagewritersbysuffix(filetype_jpg); imagewriter writer = (imagewriter) iter.next(); file outfile = new file(imagepath + new file(filepath).getname() + "_" + new decimalformat("000").format(i) + "." + filetype_jpg); fileoutputstream out = new fileoutputstream(outfile); imageoutputstream outimage = imageio.createimageoutputstream(out); writer.setoutput(outimage); writer.write(new iioimage(img, null, null)); } system.out.println("转换完成"); } public static void main(string[] args) throws pdfexception, pdfsecurityexception, ioexception { tranfer("d:/test/test.pdf", "d:/test/", 1); }} |
以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持服务器之家。
原文链接：https://blog.csdn.net/u013024120/article/details/53584520
