public static void main(String[] args){

            try          {              int width = 0;              int height = 0;              String name="Elisa Zhang";            String date="SEPTEMBER 1, 2016";            String intranetId="elisaz@163.com";            BufferedImage p_w_picpath = ImageIO.read(new File("c:\\Users\\ADMIN\\Desktop\\certification20-1.jpg"));              Graphics2D g2d = p_w_picpath.createGraphics();              g2d.drawImage(p_w_picpath,0,0,null);            g2d.setBackground(new Color(255,255,255));              g2d.setPaint(new Color(0,0,0));              g2d.clearRect(0, 0, width, height);             g2d.setFont(new Font("Georgia",Font.PLAIN,54));            int wid= g2d.getFontMetrics().stringWidth(name);            g2d.drawString(name,p_w_picpath.getWidth()/2-wid/2,280);//居中对齐            g2d.setFont(new Font("Georgia",Font.ROMAN_BASELINE,9));            g2d.drawString(date,430,395);            g2d.dispose();              ImageIO.write(p_w_picpath, "jpg", new File("C:/certification/"+intranetId+".jpg"));          }          catch(Exception ex)          {              ex.printStackTrace();          }       }