From 0a3d6802bcf3e1a8885b8fd90eabb9b7abe55454 Mon Sep 17 00:00:00 2001 From: wen <1455474577@qq.com> Date: Wed, 15 Sep 2021 11:53:31 +0800 Subject: [PATCH] =?UTF-8?q?=E5=A2=9E=E5=8A=A0=E4=BA=86=E5=B0=86=E7=94=9F?= =?UTF-8?q?=E6=88=90=E7=9A=84=E5=9B=BE=E7=89=87=E4=BB=8E=E6=9C=AC=E5=9C=B0?= =?UTF-8?q?=E7=A3=81=E7=9B=98=E5=88=A0=E9=99=A4=E7=9A=84=E4=BB=A3=E7=A0=81?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- .../charging/station/utils/QRCodeUtil.java | 144 ------------------ .../charging/station/utils/QrImgUtils.java | 92 ----------- .../charging/station/utils/img/ImageUtil.java | 56 +++++++ .../station/utils/img/QrImgUtils.java | 37 ++--- 4 files changed, 76 insertions(+), 253 deletions(-) delete mode 100644 xhpc-modules/xhpc-charging-station/src/main/java/com/xhpc/charging/station/utils/QRCodeUtil.java delete mode 100644 xhpc-modules/xhpc-charging-station/src/main/java/com/xhpc/charging/station/utils/QrImgUtils.java diff --git a/xhpc-modules/xhpc-charging-station/src/main/java/com/xhpc/charging/station/utils/QRCodeUtil.java b/xhpc-modules/xhpc-charging-station/src/main/java/com/xhpc/charging/station/utils/QRCodeUtil.java deleted file mode 100644 index 6a121e38..00000000 --- a/xhpc-modules/xhpc-charging-station/src/main/java/com/xhpc/charging/station/utils/QRCodeUtil.java +++ /dev/null @@ -1,144 +0,0 @@ -package com.xhpc.charging.station.utils; - -import com.google.zxing.BarcodeFormat; -import com.google.zxing.EncodeHintType; -import com.google.zxing.MultiFormatWriter; -import com.google.zxing.common.BitMatrix; -import com.google.zxing.qrcode.decoder.ErrorCorrectionLevel; - -import javax.imageio.ImageIO; -import java.awt.*; -import java.awt.geom.RoundRectangle2D; -import java.awt.image.BufferedImage; -import java.io.File; -import java.util.Hashtable; - -/** - * - * @ClassName: QRCodeUtil - * @Description: 二维码生成工具类 - * @author w - * - */ -public class QRCodeUtil { - - private static final String CHARSET = "utf-8"; - private static final String FORMAT_NAME = "PNG"; - // 二维码尺寸 - private static final int QRCODE_SIZE = 400; - // LOGO宽度 - private static final int WIDTH = 100; - // LOGO高度 - private static final int HEIGHT = 100; - - private static BufferedImage createImage(String content, String imgPath, - boolean needCompress) throws Exception { - Hashtable hints = new Hashtable(); - hints.put(EncodeHintType.ERROR_CORRECTION, ErrorCorrectionLevel.H); - hints.put(EncodeHintType.CHARACTER_SET, CHARSET); - hints.put(EncodeHintType.MARGIN, 1); - BitMatrix bitMatrix = new MultiFormatWriter().encode(content, - BarcodeFormat.QR_CODE, QRCODE_SIZE, QRCODE_SIZE, hints); - int width = bitMatrix.getWidth(); - int height = bitMatrix.getHeight(); - BufferedImage image = new BufferedImage(width, height, - BufferedImage.TYPE_INT_RGB); - for (int x = 0; x < width; x++) { - for (int y = 0; y < height; y++) { - image.setRGB(x, y, bitMatrix.get(x, y) ? 0xFF000000 - : 0xFFFFFFFF); - } - } - if (imgPath == null || "".equals(imgPath)) { - return image; - } - // 插入图片 - QRCodeUtil.insertImage(image, imgPath, needCompress); - return image; - } - - /** - * 插入LOGO - * - * @param source - * 二维码图片 - * @param imgPath - * LOGO图片地址 - * @param needCompress - * 是否压缩 - * @throws Exception - */ - private static void insertImage(BufferedImage source, String imgPath, - boolean needCompress) throws Exception { - File file = new File(imgPath); - if (!file.exists()) { - System.err.println(""+imgPath+" 该文件不存在！"); - return; - } - Image src = ImageIO.read(new File(imgPath)); - int width = src.getWidth(null); - int height = src.getHeight(null); - if (needCompress) { // 压缩LOGO - if (width > WIDTH) { - width = WIDTH; - } - if (height > HEIGHT) { - height = HEIGHT; - } - Image image = src.getScaledInstance(width, height, - Image.SCALE_SMOOTH); - BufferedImage tag = new BufferedImage(width, height, - BufferedImage.TYPE_INT_RGB); - Graphics g = tag.getGraphics(); - g.drawImage(image, 0, 0, null); // 绘制缩小后的图 - g.dispose(); - src = image; - } - // 插入LOGO - Graphics2D graph = source.createGraphics(); - int x = (QRCODE_SIZE - width) / 2; - int y = (QRCODE_SIZE - height) / 2; - graph.drawImage(src, x, y, width, height, null); - Shape shape = new RoundRectangle2D.Float(x, y, width, width, 6, 6); - graph.setStroke(new BasicStroke(3f)); - graph.draw(shape); - graph.dispose(); - } - - /** - * 生成二维码(内嵌LOGO) - * - * @param content - * 内容 - * @param imgPath - * LOGO地址 - * @param destPath - * 存放目录 - * @param needCompress - * 是否压缩LOGO - * @param fileName - * 生成的图片名称 - * @throws Exception - */ - public static void encode(String content, String imgPath, String destPath, - boolean needCompress,String fileName) throws Exception { - BufferedImage image = QRCodeUtil.createImage(content, imgPath, - needCompress); - mkdirs(destPath); -// String file = new Random().nextInt(99999999)+".png"; -// String file = fileName+".png"; - ImageIO.write(image, FORMAT_NAME, new File(destPath+"/"+fileName)); - } - - /** - * 当文件夹不存在时，mkdirs会自动创建多层目录，区别于mkdir．(mkdir如果父目录不存在则会抛出异常) - * @param destPath 存放目录 - */ - public static void mkdirs(String destPath) { - File file =new File(destPath); - //当文件夹不存在时，mkdirs会自动创建多层目录，区别于mkdir．(mkdir如果父目录不存在则会抛出异常) - if (!file.exists() && !file.isDirectory()) { - file.mkdirs(); - } - } -} \ No newline at end of file diff --git a/xhpc-modules/xhpc-charging-station/src/main/java/com/xhpc/charging/station/utils/QrImgUtils.java b/xhpc-modules/xhpc-charging-station/src/main/java/com/xhpc/charging/station/utils/QrImgUtils.java deleted file mode 100644 index efeba076..00000000 --- a/xhpc-modules/xhpc-charging-station/src/main/java/com/xhpc/charging/station/utils/QrImgUtils.java +++ /dev/null @@ -1,92 +0,0 @@ -package com.xhpc.charging.station.utils; - -import cn.hutool.core.date.DateUtil; -import com.aliyun.oss.OSSClient; -import com.xhpc.charging.station.mapper.XhpcImgMapper; -import com.xhpc.common.domain.XhpcTerminal; -import org.springframework.core.env.Environment; - -import java.io.File; -import java.io.IOException; -import java.io.InputStream; -import java.util.Date; -import java.util.Properties; - - -public class QrImgUtils { - - //生成的二维码存放位置： - private static String destPath; - //获取Logo图片位置： - private static String imgPath; - - //进行工具初始化 - static { - - InputStream is = QrImgUtils.class.getClassLoader().getResourceAsStream("QrImgUtils.properties"); - Properties properties = new Properties(); - try { - properties.load(is); - } catch (IOException e) { - e.printStackTrace(); - System.out.println("QrImgUtils无法加载配置文件"); - } - - destPath = properties.getProperty("destPath"); - imgPath = properties.getProperty("imgPath"); - } - - /** - * @Author WH - * @Date 2021/9/8 15:55 - * @Description upload images to Server - * @Param [xhpcTerminal, chargingPileId, environment, xhpcImgMapper] - * @Return void - * @Since version-1.0 - */ - public static void uploadImg(XhpcTerminal xhpcTerminal, String chargingPileId, Environment environment, XhpcImgMapper xhpcImgMapper) { - //生成桩的二维码图片 - //1.生成二维码链接内容： - StringBuilder prefix = new StringBuilder("https://xhpc.scxhua.com?pNum="); - String QrContent = prefix.append(xhpcTerminal.getSerialNumber()).toString(); - - //2.生成图片： - try { - //2.1生成指定规则的图片名 - String fileName = DateUtil.format(new Date(), "yyyyMMddHHmmssSSS") + chargingPileId + ".png"; //2021090814171100766.png - - //2.2生成图片 - QRCodeUtil.encode(QrContent, - imgPath, - destPath, - true, - fileName - ); - - //3.上传图片至服务器 - // 创建OSSClient实例 - OSSClient ossClient = new OSSClient(environment.getProperty("oss.endpoint"), environment.getProperty("oss.access-key"), environment.getProperty("oss.secret-key")); - // 上传文件流 - ossClient.putObject(environment.getProperty("oss.bucket-name"), xhpcTerminal.getPileSerialNumber() + "/" + fileName, new File(destPath + "\\" + fileName)); - ossClient.shutdown(); - - //4.将生成的图片的文件名和对应的终端的id放入数据库xhpc_img表中 - Long terminalId = xhpcTerminal.getTerminalId(); - xhpcImgMapper.insert(fileName, terminalId); - - //4.删除生成的二维码图片 - File QrImg = new File(destPath + "\\" + fileName); - if (QrImg.exists()) { - QrImg.delete(); - } else { - throw new RuntimeException("名字为" + fileName + "的二维码不存在"); - } - - } catch (Exception e) { - e.printStackTrace(); - System.out.println(e.getMessage()); - } - - } - -} diff --git a/xhpc-modules/xhpc-charging-station/src/main/java/com/xhpc/charging/station/utils/img/ImageUtil.java b/xhpc-modules/xhpc-charging-station/src/main/java/com/xhpc/charging/station/utils/img/ImageUtil.java index 309de442..d64208be 100644 --- a/xhpc-modules/xhpc-charging-station/src/main/java/com/xhpc/charging/station/utils/img/ImageUtil.java +++ b/xhpc-modules/xhpc-charging-station/src/main/java/com/xhpc/charging/station/utils/img/ImageUtil.java @@ -223,4 +223,60 @@ public class ImageUtil { return bi; } + /** + * 快速生成完整图片，但可读性不高，属于一次性生成 + * @param bottomFile 底图 + * @param QrCode 生成的二维码图片 + * @param SerialNumber 终端编码 + * @throws IOException + */ + public void fastCreateImg(File bottomFile, + File QrCode, + String SerialNumber, + String StationName, + String PileNumber, + String letter, + File fullImgdestPath) throws IOException { + + //载入生成的二维码图片 + BufferedImage bottomImg = ImageIO.read(bottomFile); + //二维码图片存放位置 + File QrCodeImgPath = QrCode; + //使用ImageIO，将图片加载到内存中 + BufferedImage QrCodeImg = ImageIO.read(QrCodeImgPath); + + Graphics2D g2 = bottomImg.createGraphics(); + g2.drawImage(QrCodeImg,10,300,380,380,null); + + //提前设置文字参数，防止生成的文字带有锯齿 + g2.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING, RenderingHints.VALUE_TEXT_ANTIALIAS_ON); + g2.setFont(new Font("楷体",Font.BOLD,24)); + g2.setColor(Color.WHITE); + + g2.drawString("终端编码："+SerialNumber,17,255); + + //在头顶设置场站名称： + //在图片中居中显示文字 + String realStationName = StationName; //定义文字内容 + Font font=new Font("楷体",Font.PLAIN,24); //设置文字大小 + g2.setFont(font); //设置到画笔 + // 计算文字长度，计算居中的x点坐标 + FontMetrics fm = g2.getFontMetrics(font); //获取该大小字体的字体度量单位 + int textWidth = fm.stringWidth(realStationName); //传入文字内容，让它计算出文字内容宽度 + int widthX = (400 - textWidth) / 2; //此处的400是图片的宽度用于计算出文字居中后的width + // 表示这段文字在图片上的位置(x,y) 第一个是你设置的内容 + g2.drawString(realStationName,widthX,70); //此处的70是指放置居中后的文字的水平位置 + g2.setFont(new Font("楷体",Font.BOLD,48)); + + g2.drawString(PileNumber+"号桩",25,154); + + g2.setFont(new Font("黑体",Font.BOLD,130)); + g2.drawString(letter,250,180); + g2.setFont(new Font("楷体",Font.BOLD,60)); + g2.drawString("枪",320,174); + + File dest = fullImgdestPath; + + ImageIO.write(bottomImg, "png", dest); + } } diff --git a/xhpc-modules/xhpc-charging-station/src/main/java/com/xhpc/charging/station/utils/img/QrImgUtils.java b/xhpc-modules/xhpc-charging-station/src/main/java/com/xhpc/charging/station/utils/img/QrImgUtils.java index 49049712..2e85c1cc 100644 --- a/xhpc-modules/xhpc-charging-station/src/main/java/com/xhpc/charging/station/utils/img/QrImgUtils.java +++ b/xhpc-modules/xhpc-charging-station/src/main/java/com/xhpc/charging/station/utils/img/QrImgUtils.java @@ -37,15 +37,24 @@ public class QrImgUtils { //3.拼接成完整图片 //3.1生成指定规则的图片名 String finallyImgFileName = DateUtil.format(new Date(), "yyyyMMddHHmmssSSS") + serialNumber + ".png"; - new ImageUtil().createXhImg( +// new ImageUtil().createXhImg( +// new File(environment.getProperty("oss.bottomImg")), +// QrCode, +// new File(environment.getProperty("oss.bottomLogoImg")), +// serialNumber, +// new File(environment.getProperty("oss.fullImgDestPath")+finallyImgFileName), +// chargingStationName, +// String.valueOf(xhpcTerminal.getNumber()), +// String.valueOf(letterMap.get(forIndex))); + new ImageUtil().fastCreateImg( new File(environment.getProperty("oss.bottomImg")), QrCode, - new File(environment.getProperty("oss.bottomLogoImg")), serialNumber, - new File(environment.getProperty("oss.fullImgDestPath")+finallyImgFileName), chargingStationName, String.valueOf(xhpcTerminal.getNumber()), - String.valueOf(letterMap.get(forIndex))); + String.valueOf(letterMap.get(forIndex)), + new File(environment.getProperty("oss.fullImgDestPath")+finallyImgFileName) + ); //4.上传图片至服务器 // 创建OSSClient实例 @@ -58,22 +67,16 @@ public class QrImgUtils { Long terminalId = xhpcTerminal.getTerminalId(); xhpcImgMapper.insert(xhpcTerminal.getPileSerialNumber() + "/" + finallyImgFileName, terminalId); -// //6.删除生成的二维码图片 -// File QrImg = new File(environment.getProperty("oss.destPath") + "\\" + qrFileName); -// //7.删除生成本地生成的完整图片 -// File finallyImg = new File(environment.getProperty("oss.destPath") + "\\" + finallyImgFileName); -// if (QrImg.exists()) { -// QrImg.delete(); -// } else { -// throw new RuntimeException("名字为" + fileName + "的二维码不存在"); -// } - - + //6.删除生成的二维码图片 + File QrImg = new File(environment.getProperty("oss.destPath") + "\\" + qrFileName); + QrImg.delete(); + //7.删除生成本地生成的完整图片 + File finallyImg = new File(environment.getProperty("oss.fullImgDestPath") + finallyImgFileName); + finallyImg.delete(); + } catch (Exception e) { e.printStackTrace(); System.out.println(e.getMessage()); } - } - }