增加了将生成的图片从本地磁盘删除的代码
This commit is contained in:
wen
parent
2508b6f829
commit
0a3d6802bc
@ -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<EncodeHintType, Object> hints = new Hashtable<EncodeHintType, Object>();
|
|
||||||
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();
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
|
||||||
@ -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());
|
|
||||||
}
|
|
||||||
|
|
||||||
}
|
|
||||||
|
|
||||||
}
|
|
||||||
@ -223,4 +223,60 @@ public class ImageUtil {
|
|||||||
return bi;
|
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);
|
||||||
|
}
|
||||||
}
|
}
|
||||||
|
|||||||
@ -37,15 +37,24 @@ public class QrImgUtils {
|
|||||||
//3.拼接成完整图片
|
//3.拼接成完整图片
|
||||||
//3.1生成指定规则的图片名
|
//3.1生成指定规则的图片名
|
||||||
String finallyImgFileName = DateUtil.format(new Date(), "yyyyMMddHHmmssSSS") + serialNumber + ".png";
|
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")),
|
new File(environment.getProperty("oss.bottomImg")),
|
||||||
QrCode,
|
QrCode,
|
||||||
new File(environment.getProperty("oss.bottomLogoImg")),
|
|
||||||
serialNumber,
|
serialNumber,
|
||||||
new File(environment.getProperty("oss.fullImgDestPath")+finallyImgFileName),
|
|
||||||
chargingStationName,
|
chargingStationName,
|
||||||
String.valueOf(xhpcTerminal.getNumber()),
|
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
|
//4.上传图片至服务器
|
||||||
// 创建OSSClient实例
|
// 创建OSSClient实例
|
||||||
@ -58,22 +67,16 @@ public class QrImgUtils {
|
|||||||
Long terminalId = xhpcTerminal.getTerminalId();
|
Long terminalId = xhpcTerminal.getTerminalId();
|
||||||
xhpcImgMapper.insert(xhpcTerminal.getPileSerialNumber() + "/" + finallyImgFileName, terminalId);
|
xhpcImgMapper.insert(xhpcTerminal.getPileSerialNumber() + "/" + finallyImgFileName, terminalId);
|
||||||
|
|
||||||
// //6.删除生成的二维码图片
|
//6.删除生成的二维码图片
|
||||||
// File QrImg = new File(environment.getProperty("oss.destPath") + "\\" + qrFileName);
|
File QrImg = new File(environment.getProperty("oss.destPath") + "\\" + qrFileName);
|
||||||
// //7.删除生成本地生成的完整图片
|
QrImg.delete();
|
||||||
// File finallyImg = new File(environment.getProperty("oss.destPath") + "\\" + finallyImgFileName);
|
//7.删除生成本地生成的完整图片
|
||||||
// if (QrImg.exists()) {
|
File finallyImg = new File(environment.getProperty("oss.fullImgDestPath") + finallyImgFileName);
|
||||||
// QrImg.delete();
|
finallyImg.delete();
|
||||||
// } else {
|
|
||||||
// throw new RuntimeException("名字为" + fileName + "的二维码不存在");
|
|
||||||
// }
|
|
||||||
|
|
||||||
|
|
||||||
} catch (Exception e) {
|
} catch (Exception e) {
|
||||||
e.printStackTrace();
|
e.printStackTrace();
|
||||||
System.out.println(e.getMessage());
|
System.out.println(e.getMessage());
|
||||||
}
|
}
|
||||||
|
|
||||||
}
|
}
|
||||||
|
|
||||||
}
|
}
|
||||||
|
|||||||
Loading…
x
Reference in New Issue
Block a user