java½«×Ö·û´®×ª»»³ÉͼƬ

package String2Jpg;

import java.awt.AlphaComposite;
import java.awt.Color;
import java.awt.Font;
import java.awt.Graphics2D;
import java.awt.image.BufferedImage;
import java.io.BufferedOutputStream;
import java.io.FileOutputStream;
import java.io.OutputStream;
import com.sun.image.codec.jpeg.JPEGCodec;
import com.sun.image.codec.jpeg.JPEGImageEncoder;

public class DrawJpg {
public static void main(String[] args) {
int wideth=530;
int height=640;
String s = "½«´ËͼÐÎÉÏÏÂÎĵĵ±Ç°ÑÕÉ«ÉèÖÃΪָɫÉÏÏÂÖ¸¶¨ÑÕÉ«½«´ËͼÐÎÉÏ" +
"ÏÂÎĵĵ±Ç°ÑÕÉ«ÉèÖÃΪָ¶¨ÑÕÉ«½«´ËͼÐÎÉÏÏÂÎĵĵ±Ç°ÑÕÉ«ÉèÖÃΪָ" +
"¶¨ÑÕÉ«½«´ËͼÐÎÉÏÏÂÎĵĵ±Ç°ÑÕÉ«ÉèÖÃΪָ¶¨ÑÕÉ«½«´ËͼÐÎÉÏÏÂÎĵÄ" +
"µ±Ç°ÑÕÉ«ÉèÖÃΪָ¶¨ÑÕÉ«½«´ËͼÐÎÉÏÏÂÎĵĵ±Ç°ÑÕÉ«ÉèÖÃΪָ¶¨ÑÕÉ«½«" +
"´ËͼÐÎÉÏÏÂÎĵĵ±Ç°ÑÕÉ«ÉèÖÃΪָ¶¨ÑÕÉ«";
BufferedImage img = new BufferedImage(height, wideth,
BufferedImage.TYPE_INT_RGB);//¹¹ÔìÒ»¸öÀàÐÍΪԤ¶¨ÒåͼÏñÀàÐÍÖ®Ò»µÄ BufferedImage¡£
Graphics2D g2d = img.createGraphics();
g2d.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_ATOP,1.0f)); // 1.0fΪ͸Ã÷¶È ，Öµ´Ó0-1.0，ÒÀ´Î±äµÃ²»Í¸Ã÷
g2d.setFont(new Font("ËÎÌå ", 0, 28));
g2d.setColor(Color.WHITE);
g2d.fillRect(0, 0, img.getWidth(),img.getHeight());//Ìî³äÖƶ¨µÄ¾ØÐÎ
g2d.setColor(Color.BLACK);//½«´ËͼÐÎÉÏÏÂÎĵĵ±Ç°ÑÕÉ«ÉèÖÃΪָ¶¨ÑÕÉ«¡£
g2d.drawString(s, 50, 50);

try {
OutputStream out = new BufferedOutputStream(new FileOutputStream("f:/test.jpg"), 4096);
JPEGImageEncoder coder = JPEGCodec.createJPEGEncoder(out);
coder.encode(img);
out.close();
} catch (Exception e) {
e.printStackTrace();
}
}
}