把文字生成图片

package cn.com.bmsoft.util;

import java.awt.Color;
import java.awt.Font;
import java.awt.Graphics;
import java.awt.image.BufferedImage;
import java.io.BufferedOutputStream;
import java.io.FileOutputStream;

import com.sun.image.codec.jpeg.JPEGCodec;
import com.sun.image.codec.jpeg.JPEGImageEncoder;

/**
 * 把文字生成图片
 * @author lizhiyong 
 * @version $Id: ChartGraphics.java, v 0.1
		2015-6-3 下午3:20:59 1111 Exp $
 */
public class ChartGraphics {
    BufferedImage image;

    /**
     * 生成图片
     * @param fileLocation  图片存放路径
     */
    void createImage(String fileLocation) {
        try {
            FileOutputStream fos = new FileOutputStream(fileLocation);
            BufferedOutputStream bos = new BufferedOutputStream(fos);
            JPEGImageEncoder encoder = JPEGCodec.createJPEGEncoder(bos);
            encoder.encode(image);
            bos.close();
        } catch (Exception e) {
            e.printStackTrace();
        }
    }

    
    /**
     * 把文字生成图片
     * @param name   图片上的文字
     * @param id
     * @param classname
     * @param imgurl
     */
    public void graphicsGeneration(String imageFont, String imgPath) {

        int imageWidth = 450;// 图片的宽度

        int imageHeight = 500;// 图片的高度

        image = new BufferedImage(imageWidth, imageHeight, BufferedImage.TYPE_INT_RGB);
        Graphics graphics = image.getGraphics();
        graphics.setColor(Color.WHITE);
        graphics.fillRect(0, 0, imageWidth, imageHeight);
        graphics.setColor(Color.BLACK);
        graphics.setFont(new Font("宋体", Font.BOLD, 10));
        graphics.drawString(imageFont, 50, 20);

        // 改成这样:
        BufferedImage bimg = null;
        try {
            bimg = javax.imageio.ImageIO.read(new java.io.File(imgPath));
        } catch (Exception e) {
        }

        if (bimg != null)
            graphics.drawImage(bimg, 50, 0, null);
        graphics.dispose();

        createImage(imgPath);

    }

    public static void main(String[] args) {
        ChartGraphics cg = new ChartGraphics();
        try {
            cg.graphicsGeneration("ewew", "\\ploanshare\\2\\11.jpg");
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}