java研究室

OutputStream outputStream = new FileOutputStream("d:/th-thumbnail.png");
ImgUtil.thumbnailImg(new File("d:/th.jpg"),400,null,outputStream);
ImgUtil.thumbnailImg(new URL("http://bigdata.cnki.net/img/1.bed4469b.png"),100,null,outputStream);

// 网页输出流使用方法
//HttpServletResponse response
OutputStream outputStream = response.getOutputStream();
ImgUtil.thumbnailImg(new File("d:/th.jpg"),400,null,outputStream);