java以流的形式将文字写在图片上

- 日理万妓 2022-06-06 13:21 418阅读 0赞

图片工具类，将一些文字通过java输出到图片上，然后在前端以图片形式展示就显稍微高端一些哈。

废话少说，上图

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PictureUtil.java

package cn.hx.as.util;
    
    import com.sun.image.codec.jpeg.JPEGCodec;
    import com.sun.image.codec.jpeg.JPEGImageEncoder;
    
    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;
    
    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);
    
        }
    
    }

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