现做一网站，使用CFM，里面有图片显示，图片文件比较大。
想在上传的同时能够自动生成缩略图文件。
用ASP或者PHP可以找到资料，CFM找不到资料。
急求帮助。
------解决方案--------------------------------------------------------
CFMX里，你可以把你写的Java Class方进去， 然后在CFM里调用。
import com.sun.image.codec.jpeg.*;
import java.awt.*;
import java.awt.image.*;
import java.io.*;
/**
* Thumbnail.java (requires Java 1.2+)
* Load an image, scale it down and save it as a JPEG file.
* @author Marco Schmidt
*/
public class Thumbnail {
public static void main(String[] args) throws Exception {
if (args.length != 5) {
System.err.println("Usage: java Thumbnail INFILE " +
"OUTFILE WIDTH HEIGHT QUALITY");
System.exit(1);
}
// load image from INFILE
Image image = Toolkit.getDefaultToolkit().getImage(args[0]);
MediaTracker mediaTracker = new MediaTracker(new Container());
mediaTracker.addImage(image, 0);
mediaTracker.waitForID(0);
// determine thumbnail size from WIDTH and HEIGHT
int thumbWidth = Integer.parseInt(args[2]);
int thumbHeight = Integer.parseInt(args[3]);
double thumbRatio = (double)thumbWidth / (double)thumbHeight;
int imageWidth = image.getWidth(null);
int imageHeight = image.getHeight(null);
double imageRatio = (double)imageWidth / (double)imageHeight;
if (thumbRatio < imageRatio) {
thumbHeight = (int)(thumbWidth / imageRatio);
} else {
thumbWidth = (int)(thumbHeight * imageRatio);
}
// draw original image to thumbnail image object and
// scale it to the new size on-the-fly
BufferedImage thumbImage = new BufferedImage(thumbWidth,
thumbHeight, BufferedImage.TYPE_INT_RGB);
Graphics2D graphics2D = thumbImage.createGraphics();
graphics2D.setRenderingHint(RenderingHints.KEY_INTERPOLATION,
RenderingHints.VALUE_INTERPOLATION_BILINEAR);
graphics2D.drawImage(image, 0, 0, thumbWidth, thumbHeight, null);
// save thumbnail image to OUTFILE
BufferedOutputStream out = new BufferedOutputStream(new
FileOutputStream(args[1]));
JPEGImageEncoder encoder = JPEGCodec.createJPEGEncoder(out);
JPEGEncodeParam param = encoder.
getDefaultJPEGEncodeParam(thumbImage);