Jkas

int pdfpages(String filepath)//获取pdf文件页数

boolean pdf2jpg(int page,String filepath,String savepath)//把pdf文件指定页保存为JPG图片，文件名包含在路径里

boolean pdf2jpg(int page,String filepath,String savepath,String savename)//把pdf文件指定页保存为JPG图片，文件名单独指定

boolean pdf2jpg(int page,float scale,String filepath,String savepath,String savename)//把pdf文件全部页保存为JPG图片

boolean pdf2jpgs(String filepath,String savepath,String savename)

boolean pdf2jpgs(float scale,String filepath,String savepath,String savename)

boolean pdf2png(int page,String filepath,String savepath)//把pdf文件指定页保存为PNG图片，文件名包含在路径里

boolean pdf2png(int page,String filepath,String savepath,String savename)//把pdf文件指定页保存为PNG图片，文件名单独指定

boolean pdf2png(int page,float scale,String filepath,String savepath,String savename)

boolean pdf2pngs(String filepath,String savepath,String savename)//把pdf文件全部页保存为PNG图片

boolean pdf2pngs(float scale,String filepath,String savepath,String savename)

BufferedImage pdf2img(int page,String pdfpath)//把pdf文件指定页转成为图片

BufferedImage pdf2img(int page,float scale,String pdfpath)//把pdf文件指定页转为为图片

pdf2jpgOut(int page,String pdfpath)//向浏览器直接输出pdf文件指定页图片

pdf2jpgOut(int page,float scale,String pdfpath)//向浏览器直接输出指定比例的pdf文件指定页jpg图片

pdf2imgOut(int page,float scale,String pdfpath,String type)//向浏览器直接输出指定比例的pdf文件指定页指定类型图片，type:jpg|png