Java 动态生成jpg图片

来源：互联网发布：网络终端机服务器软件编辑：程序博客网时间：2024/05/17 07:07

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 java.util.ArrayList;    import java.util.HashMap;    import java.util.List;    import java.util.Map;    import com.haier.bean.PolicyBean;    import com.haier.dto.PolicyPersonDto;    import com.haier.dto.PolicyProductDto;    import com.sun.image.codec.jpeg.JPEGCodec;    import com.sun.image.codec.jpeg.JPEGImageEncoder;    public class PictureUtil {        private static void createImage(String fileLocation, BufferedImage image) {            try {                FileOutputStream fos = new FileOutputStream(fileLocation);                BufferedOutputStream bos = new BufferedOutputStream(fos);                JPEGImageEncoder encoder = JPEGCodec.createJPEGEncoder(bos);                encoder.encode(image);                bos.close();                fos.close();            } catch (Exception e) {                e.printStackTrace();            }        }        public static void graphicsGeneration(String path, PolicyBean policyBean) {            int imageWidth = 1000;// 图片的宽度            int imageHeight = 1000;// 图片的高度            BufferedImage 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.ORANGE);            graphics.setFont(new Font("宋体", Font.BOLD, 20));            PolicyPersonDto policyPersonDto = policyBean.getPolicyPersonDto();            PolicyProductDto policyProductDto = policyBean.getPolicyProductDto();            int num = 50;            graphics.drawString("手机号      : " + policyPersonDto.getMobile(), 50, num);            num += 50;            graphics.drawString("登陆密码    : " + policyPersonDto.getPassword(), 50, num);            num += 50;            graphics.drawString("身份证号    : " + policyPersonDto.getIdentityCard(), 50, num);            num += 50;            graphics.drawString("姓名        : " + policyPersonDto.getUserName(), 50, num);            num += 50;            graphics.drawString("所在地区    : " + policyPersonDto.getArea(), 50, num);            num += 50;            graphics.drawString("常住地址    : " + policyPersonDto.getAddress(), 50, num);            num += 50;            graphics.drawString("微信号      : " + policyPersonDto.getWechatNo(), 50, num);            num += 50;            graphics.drawString("QQ号        : " + policyPersonDto.getQq(), 50, num);            num += 50;            graphics.drawString("Email       : " + policyPersonDto.getEmail(), 50, num);            num += 50;            graphics.drawString("品牌        : " + policyProductDto.getBrand(), 50, num);            num += 50;            graphics.drawString("型号        : " + policyProductDto.getModel(), 50, num);            num += 50;            graphics.drawString("商品编号    : " + policyProductDto.getProductId(), 50, num);            num += 50;            graphics.drawString("购买日期    : " + policyProductDto.getPurchaseDate(), 50, num);            num += 50;            graphics.drawString("购买价格    : " + policyProductDto.getPurchasePrice(), 50, num);            num += 50;            graphics.drawString("购买途径    : " + policyProductDto.getPurchaseWay(), 50, num);            num += 50;            graphics.drawString("报修电话    : " + policyProductDto.getWarrantyPhone(), 50, num);            num += 50;            graphics.drawString("延保单位    : " + policyProductDto.getExtendedWarrantyUnit(), 50, num);            num += 50;            graphics.drawString("延保电话    : " + policyProductDto.getExtendedWarrantyPhone(), 50, num);            num += 50;            graphics.drawString("发票编号    : " + policyProductDto.getInvoiceNo(), 50, num);            createImage(path, image);        }        public static void main(String[] args){            List<Map> list = new ArrayList<Map>();            Map<String, String> mapTitle1 = new HashMap<String, String>();            mapTitle1.put("title", "使用人信息");            list.add(mapTitle1);            Map<String, String> map1 = new HashMap<String, String>();            map1.put("客户姓名", "张三");            map1.put("手机号", "123123");            map1.put("身份证号", "230302198811241234");            list.add(map1);            Map<String, String> map2 = new HashMap<String, String>();            map2.put("送货地址", "北京市海淀区知春路113号银网中心B座1009室");            list.add(map2);            Map<String, String> map3 = new HashMap<String, String>();            map3.put("微信号码", "123123");            map3.put("qq号码", "123123");            map3.put("电子邮箱", "gaop@haierubic.com");            list.add(map3);            Map<String, String> mapTitle2 = new HashMap<String, String>();            mapTitle2.put("title", "购买人信息");            list.add(mapTitle2);            Map<String, String> map4 = new HashMap<String, String>();            map4.put("姓名", "张三朋友");            map4.put("手机号", "15612341122");            map4.put("身份证号", "230302198811241234");            list.add(map4);            Map<String, String> mapTitle3 = new HashMap<String, String>();            mapTitle3.put("title", "产品信息");            list.add(mapTitle3);            Map<String, String> map5 = new HashMap<String, String>();            map5.put("产品型号", "ALI88");            map5.put("凭证类型", "发票");            map5.put("购买日期", "2014-12-02");            list.add(map5);            Map<String, String> map6 = new HashMap<String, String>();            map6.put("购买商城", "ALI88");            map6.put("凭证编号", "发票");            list.add(map6);            int imageWidth = 1200;// 图片的宽度            int imageHeight = 1000;// 图片的高度            BufferedImage 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);            int high = 100;            int wigth = 0;            graphics.setFont(new Font("宋体", Font.BOLD, 50));            graphics.drawString("注册保单", 500, high);            graphics.setFont(new Font("宋体", Font.BOLD, 20));            high += 10;            graphics.drawLine(50, high, 1150, high);            for(Map<String, String> rowMap : list){                high += 50;                wigth = 50;                for(Map.Entry<String, String> entry : rowMap.entrySet()){                    String name = entry.getKey() + "：" + entry.getValue();                    if("title".equals(entry.getKey())){                        high += 50;                        graphics.setFont(new Font("黑体", Font.BOLD, 30));                        graphics.drawString(entry.getValue(), wigth, high);                        graphics.setFont(new Font("宋体", Font.BOLD, 20));                    } else {                        graphics.drawString(name, wigth, high);                        wigth += 400;                    }                }            }            createImage("D://test1.jpg", image);        }    }

public void graphicsGeneration() throws Exception {          // 实际数据行数+标题+备注          int totalrow = 6;          int totalcol = 5;          int imageWidth = 1024;          int imageHeight = totalrow * 40 + 20;          int rowheight = 40;          int startHeight = 10;          int startWidth = 10;          int colwidth = ((imageWidth - 20) / totalcol);          BufferedImage 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(new Color(220, 240, 240));          // 画横线          for (int j = 0; j < totalrow - 1; j++) {              graphics.setColor(Color.black);              graphics.drawLine(startWidth, startHeight + (j + 1) * rowheight,                      imageWidth - 5, startHeight + (j + 1) * rowheight);          }          // 末行          graphics.setColor(Color.black);          graphics.drawLine(startWidth, imageHeight - 90, imageWidth - 5,                  imageHeight - 90);          // 画竖线          for (int k = 0; k < totalcol; k++) {              graphics.setColor(Color.black);              graphics.drawLine(startWidth + k * colwidth, startHeight                      + rowheight, startWidth + k * colwidth, imageHeight - 50);          }          // 末列          graphics.setColor(Color.black);          graphics.drawLine(imageWidth - 5, startHeight + rowheight,                  imageWidth - 5, imageHeight - 50);          // 设置字体          Font font = new Font("华文楷体", Font.BOLD, 20);          graphics.setFont(font);          // 写标题          String title = "标题写在这里";          graphics.drawString(title, imageWidth / 3 + startWidth, startHeight                  + rowheight - 10);          font = new Font("华文楷体", Font.BOLD, 18);          graphics.setFont(font);          // 写入表头          String[] headCells = { "编号", "名称", "年龄", "性别", "体重" };          for (int m = 0; m < headCells.length; m++) {              graphics.drawString(headCells[m].toString(), startWidth + colwidth                      * m + 5, startHeight + rowheight * 2 - 10);          }          // 设置字体          font = new Font("华文楷体", Font.PLAIN, 16);          graphics.setFont(font);          String[][] cellsValue = { { "101", "xiaozhang", "13", "M", "55" },                  { "102", "xiaowang", "14", "F", "53" },                  { "103", "同事接听，工作信息核实无误，收入纯打卡，无现金发薪同事接听，工作信息核实无误，收入纯打卡，无现金发薪同事接听，工作信息核实无误，收入纯打卡，无现金发薪同事接听，工作信息核实无误，收入纯打卡，无现金发薪", "15", "M", "58" } };          // 写入内容          for (int n = 0; n < cellsValue.length; n++) {              String[] arr = cellsValue[n];              for (int l = 0; l < arr.length; l++) {                  graphics.drawString(cellsValue[n][l].toString(), startWidth                          + colwidth * l + 5, startHeight + rowheight * (n + 3)                          - 10);              }          }          font = new Font("华文楷体", Font.BOLD, 18);          graphics.setFont(font);          graphics.setColor(Color.RED);          // 写备注          String remark = "备注：备注写在这里。";          graphics.drawString(remark, startWidth, imageHeight - 30);          //createImage("D:\\1.jpg");          ImageIO.write(image, "jpg", new File("D:\\1.jpg"));      }

/**      * 打印模版      *      * @param imgWidth    图片的宽度      * @param imgHeight   图片的高度      * @param x           起始x轴      * @param y           起始y轴      * @param rowHeight   每行的高度      * @param dataStart   数据缩进      * @param firstWidth  第一列间距x坐标      * @param secondWidth 第二列间距x坐标      * @param thirdWidth  第三列间距x坐标      * @param fourWidth   第四列间距x坐标      * @param tb  实体对象      * @return BufferedImage      *(参数自己定，我的是340, 200, 0, 0, 20, 10, 60, 190, 250, 340, tb)      */      private BufferedImage createTbGraphics(int imgWidth, int imgHeight, int x, int y, int rowHeight,                                                  int dataStart, int firstWidth, int secondWidth, int thirdWidth, int fourWidth,                                                  Tb tb) {          //空白面板  也可是张图片          BufferedImage image = new BufferedImage(imgWidth, imgHeight, BufferedImage.TYPE_INT_RGB);          Graphics2D g = null;          try {              g = image.createGraphics();// 得到图形上下文              g.setBackground(Color.WHITE);//设置背景色              g.fillRect(x, y, imgWidth, imgHeight);//填充整个屏幕              g.setColor(Color.BLACK);//设置画笔颜色  //            g.setFont(new Font("Arial", Font.LAYOUT_LEFT_TO_RIGHT, 12));// 设置字体   这种以及“非国产”是乱码  有办法解决的话也可为实线， 我认为乱码是因为条码打印机的缘故，这样就要二次开发打印机，所以我没要这种方法              g.setFont(new Font("微软雅黑", Font.TYPE1_FONT, 12));// 设置字体 还可设置为Font.ITALIC 就这两种条码打印机打印出来的的线是实体线  //            g.setFont(new Font("simsun", Font.TYPE1_FONT, 12));// jvm里   想将字体格式simsun存入jvm里直接调用，打印出来也不成              g.drawLine(x, y, imgWidth, y);// 第一条横线              g.drawLine(x, y, x, rowHeight);//竖线  //            g.drawString(new String("名称".getBytes("utf-8"),"utf-8"), dataStart, rowHeight - 5);              g.drawString("名称", dataStart, rowHeight - 5);              g.drawLine(firstWidth, y, firstWidth, rowHeight);              g.drawString(tb.getName() == null ? "" :  tb.getName() , firstWidth + dataStart, rowHeight - 5);              g.drawLine(imgWidth - 1, y, imgWidth - 1, rowHeight);              g.drawLine(x, rowHeight, imgWidth, rowHeight); //横线              g.drawLine(x, rowHeight, x, rowHeight * 2);              g.drawString("代码", dataStart, rowHeight * 2 - 5);    // * 2代表第二行              g.drawLine(firstWidth, rowHeight, firstWidth, rowHeight * 2);              g.drawString(tb.getCode() == null ? "" : tb.getCode()  , firstWidth + dataStart, rowHeight * 2 - 5);              g.drawLine(secondWidth, rowHeight, secondWidth, rowHeight * 2);              //其他数据....              //最后一条线              g.drawLine(x, imgHeight - 1, imgWidth, imgHeight - 1);              //在指定坐标(198,61)处 写入二维码或其它图片              g.drawImage(ImageIO.read(getServletContext().getResourceAsStream(t.getPicUrl())), null, 198, 61);              g.dispose();          } catch (IOException e) {              e.printStackTrace();          }          return image;      }

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