<%@ halaman contentType="teks/html;charset=gb2312" %>
<%@ halaman bahasa="java" import="java.util.*" %>
<%@ halaman bahasa="java" import="java.io.*" %>
<%@ halaman bahasa="java" import="java.awt.*" %>
<%@ halaman bahasa="java" import="java.awt.image.*" %>
<%@ halaman bahasa="java" import="com.sun.image.codec.jpeg.*" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" " http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd ">
<html xmlns=" http://www.w3.org/1999/xhtml ">
<kepala>
<judul> </judul>
<meta name="generator" content="editplus" />
<meta name="penulis" content="Wang Shiqiang" />
<meta name="keywords" content="Wang Shiqiang" />
<meta nama="deskripsi" konten="" />
</kepala>
<tubuh>
<%
respon.setContentType("teks/html;charset=gb2312");
permintaan.setCharacterEncoding("gb2312");
out.print("===Tes gambar thumbtail==============");
//--------上传完成，开始生成缩略图------------------ -------
java.io.File file = new java.io.File("E:\1110168154_58348.jpg");//saveurl); //读入刚才上传的文件
String newurl="E:\1110168154_58348_min.jpg";//request.getRealPath("/")+url+namafile+"_min."+ext; //新的缩略图保存地址
Gambar src = javax.imageio.ImageIO.read(file); //构造Gambar对象
ukuran tag float=287;
int old_w=src.getWidth(null); //得到源图宽
int old_h=src.getHeight(null);
int baru_w=0;
int new_h=0; //得到源图长
int ukuran suhu;
out.print("<br/>lebar yang lama adalah :"+old_w+" tinggi yang lama adalah "+old_h+"<br/>");
mengambang tempdouble;
jika(lama_w>lama_h){
tempdouble=old_w/ukuran tag;
}kalau tidak{
tempdouble=old_h/ukuran tag;
}
new_w=Matematika.bulat(old_w/tempdouble);
new_h=Math.round(old_h/tempdouble);//计算新图长宽
out.print("lebar baru adalah :"+new_w+" tinggi baru adalah "+new_h+"<br/>");
Tag BufferedImage = BufferedImage baru(new_w,new_h,BufferedImage.TYPE_INT_RGB);
tag.getGraphics().drawImage(src,0,0,new_w,new_h,null); //绘制缩小后的图
FileOutputStream newimage=FileOutputStream baru(newurl); //输出到文件流
Encoder JPEGImageEncoder = JPEGCodec.createJPEGEncoder(gambar baru);
encoder.encode(tag); //近JPEG编码
gambar baru.close();
/*
*/
%>
</tubuh>
</html>