这是一个简单的例子,你看看:
import java.io.*;
import java.awt.*;
import java.awt.image.*;
import java.awt.geom.*;
import com.sun.image.codec.jpeg.*;BufferedImage bi=new BufferedImage(200,200,BufferedImage.TYPE_INT_RGB);
response.setContentType("image/JPEG");
OutputStream os=new FileOutputStream(new File("C:\\xxx.jpg"));
Graphics2D g2d=bi.createGraphics();
g2d.drawString("helloworld",100,100);
JPEGImageEncoder encoder=JPEGCodec.createJPEGEncoder(os);
encoder.encode(bi);
os.close();
os=null;
import java.io.*;
import java.awt.*;
import java.awt.image.*;
import java.awt.geom.*;
import com.sun.image.codec.jpeg.*;BufferedImage bi=new BufferedImage(200,200,BufferedImage.TYPE_INT_RGB);
response.setContentType("image/JPEG");
OutputStream os=new FileOutputStream(new File("C:\\xxx.jpg"));
Graphics2D g2d=bi.createGraphics();
g2d.drawString("helloworld",100,100);
JPEGImageEncoder encoder=JPEGCodec.createJPEGEncoder(os);
encoder.encode(bi);
os.close();
os=null;
解决方案 »
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