import java.awt.Color;import java.awt.Font;import java.awt.Graphics;import java.awt.Graphics2D;import java.awt.image.BufferedImage;import java.io.BufferedOutputStream;import java.io.FileOutputStream;import java.io.IOException; import com.sun.image.codec.jpeg.JPEGCodec;import com.sun.image.codec.jpeg.JPEGImageEncoder; public class ChartGraphics {    private BufferedImage image;    private int imageWidth = 300;  //图片的宽度    private int imageHeight = 500; //图片的高度    //生成图片文件    @SuppressWarnings("restriction")    public void createImage(String fileLocation) {        BufferedOutputStream bos = null;        if(image != null){            try {                FileOutputStream fos = new FileOutputStream(fileLocation);                bos = new BufferedOutputStream(fos);                                 JPEGImageEncoder encoder = JPEGCodec.createJPEGEncoder(bos);                encoder.encode(image);                bos.close();            } catch (Exception e) {                e.printStackTrace();            }finally{                if(bos!=null){
   //关闭输出流                    try {                        bos.close();                    } catch (IOException e) {                        e.printStackTrace();                    }                }            }        }    }     public void graphicsGeneration(String name, String id, String classname, String imgurl) {        int H_title = 30;     //头部高度        int H_mainPic = 200;  //轮播广告高度        int H_tip = 60;  //上网提示框高度        int H_btn = 25;  //按钮栏的高度        int tip_2_top = (H_title+H_mainPic);        int btns_2_top = tip_2_top+H_tip+20;        int btn1_2_top = btns_2_top+10;        int btn2_2_top = btn1_2_top+H_btn;        int shops_2_top = btn2_2_top+H_btn+20;        int W_btn = 280;  //按钮栏的宽度                 image = new BufferedImage(imageWidth, imageHeight, BufferedImage.TYPE_INT_RGB);        //设置图片的背景色        Graphics2D main = image.createGraphics();        main.setColor(Color.white);        main.fillRect(0, 0, imageWidth, imageHeight);                 //***********************页面头部        Graphics title = image.createGraphics();        //设置区域颜色        title.setColor(new Color(143, 0, 0));        //填充区域并确定区域大小位置        title.fillRect(0, 0, imageWidth, H_title);        //设置字体颜色，先设置颜色，再填充内容        title.setColor(Color.white);        //设置字体        Font titleFont = new Font("宋体", Font.BOLD, 14);        title.setFont(titleFont);        title.drawString("my head", 100, (H_title)/2+5);         //***********************插入中间广告图        Graphics mainPic = image.getGraphics();        BufferedImage bimg = null;        try {           bimg = javax.imageio.ImageIO.read(new java.io.File(imgurl));        } catch (Exception e) {}             if(bimg!=null){            mainPic.drawImage(bimg, 0, H_title, imageWidth, H_mainPic, null);            mainPic.dispose();        }        //***********************设置下面的提示框                 Graphics2D tip = image.createGraphics();        //设置区域颜色        tip.setColor(new Color(255, 120, 89));        //填充区域并确定区域大小位置        tip.fillRect(0, tip_2_top, imageWidth, H_tip);        //设置字体颜色，先设置颜色，再填充内容        tip.setColor(Color.white);        //设置字体        Font tipFont = new Font("宋体", Font.PLAIN, 14);        tip.setFont(tipFont);        tip.drawString("登录成功，本次认证时间1小时", 60, tip_2_top+(H_tip)/2-10);        tip.drawString("正在返回商家主页", 100, tip_2_top+(H_tip)/2+10);                                   //***********************设置下面的按钮块        //设置字体颜色，先设置颜色，再填充内容        tip.setColor(Color.black);        tip.drawString("您可以选择的操作：", 20, btns_2_top);        tip.drawString("下面的小图标：", 20, shops_2_top);        //***********************按钮        Font btnFont = new Font("宋体", Font.BOLD, 14);        Graphics2D btn1 = image.createGraphics();        btn1.setColor(new Color(41,192 , 50));//#29C65A        btn1.fillRect(10, btn1_2_top, W_btn, H_btn);        btn1.setColor(Color.BLACK);        btn1.drawRect(10, btn1_2_top, W_btn, H_btn);        //btn1 文本        btn1.setColor(Color.white);        btn1.setFont(btnFont);        btn1.drawString("单击我啊", 120, btn1_2_top+(H_btn/2)+5);                 Graphics2D btn2 = image.createGraphics();        btn2.setColor(new Color(141,120 , 22));//#29C65A        btn2.fillRect(10, btn2_2_top, W_btn, H_btn);        btn2.setColor(Color.BLACK);        btn2.drawRect(10, btn2_2_top, W_btn, H_btn);        //btn2文本        btn2.setColor(Color.white);        btn2.setFont(btnFont);        btn2.drawString("单击我啊", 120, btn2_2_top+(H_btn/2)+5);             createImage("c:\\hehe.jpg");             }     public static void main(String[] args) {        ChartGraphics cg = new ChartGraphics();        try {            cg.graphicsGeneration("ewew", "1", "12", "E:\\work_folder\\picture\\big_pic\\1.jpg");        } catch (Exception e) {            e.printStackTrace();        }    }}

 

转自：http://www.cnblogs.com/qianna-daisy/p/4572221.html