新增 车位相机图片上传到OSS服务器

jsowell-common/src/main/java/com/jsowell/common/util/file/AliyunOssUploadUtils.java

@@ -2,12 +2,15 @@ package com.jsowell.common.util.file;
 
 import com.aliyun.oss.OSS;
 import com.aliyun.oss.OSSClientBuilder;
+import com.aliyun.oss.model.ObjectMetadata;
 import com.jsowell.common.config.AliyunOssConfig;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Component;
 import org.springframework.web.multipart.MultipartFile;
 
+import java.io.ByteArrayInputStream;
 import java.io.IOException;
+import java.io.InputStream;
 import java.time.LocalDateTime;
 import java.time.ZoneOffset;
 
@@ -62,4 +65,37 @@ public class AliyunOssUploadUtils {
 		}
 		return aliyunOssConfig.getUrl() + "/" + filePathName;
 	}
+
+	/**
+	 * 上传到阿里云(车位相机用)
+	 * @param compressedImageBytes
+	 * @param fileName 文件名 （车位号 + 时间戳）.jpg
+	 * @return
+	 */
+	public static String upload2OSS(byte[] compressedImageBytes, String fileName) {
+		// 生成 OSSClient
+		OSS ossClient = new OSSClientBuilder().build(aliyunOssConfig.getEndpoint(), aliyunOssConfig.getAccessKeyId(), aliyunOssConfig.getAccessKeySecret());
+
+		// 创建对象元数据，默认是可读的
+		ObjectMetadata metadata = new ObjectMetadata();
+		metadata.setContentLength(compressedImageBytes.length); // 设置内容长度
+
+		// 创建输入流
+		InputStream inputStream = new ByteArrayInputStream(compressedImageBytes);
+
+		//获取当前时间
+		LocalDateTime currentDate = LocalDateTime.now();
+		String dir_name = currentDate.getYear() + "/" + currentDate.getMonthValue() + "/" + currentDate.getDayOfMonth() + "/";
+
+		// 随机数
+		String randomNumber = Long.toHexString(currentDate.toEpochSecond(ZoneOffset.UTC)) + "-";
+
+		// 文件路径名称
+		String filePathName = aliyunOssConfig.getFilehost() + "/" + dir_name + randomNumber + fileName;
+		ossClient.putObject(aliyunOssConfig.getBucketName(), filePathName, inputStream, metadata);
+
+		// 关闭 OSS 客户端
+		ossClient.shutdown();
+		return aliyunOssConfig.getUrl() + "/" + filePathName;
+	}
 }

jsowell-common/src/main/java/com/jsowell/common/util/file/ImageUtils.java

@@ -7,9 +7,12 @@ import org.apache.poi.util.IOUtils;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
-import java.io.ByteArrayInputStream;
-import java.io.FileInputStream;
-import java.io.InputStream;
+import javax.imageio.IIOImage;
+import javax.imageio.ImageIO;
+import javax.imageio.ImageWriteParam;
+import javax.imageio.ImageWriter;
+import java.awt.image.BufferedImage;
+import java.io.*;
 import java.net.URL;
 import java.net.URLConnection;
 import java.util.Arrays;
@@ -76,4 +79,39 @@ public class ImageUtils {
 			IOUtils.closeQuietly(in);
 		}
 	}
+
+	/**
+	 * 图像压缩方法
+	 * @param originalImage 源图像
+	 * @param quality 压缩质量
+	 * @return
+	 */
+	public static BufferedImage compressImage(BufferedImage originalImage, double quality) {
+		BufferedImage compressedImage = null;
+		ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
+
+		try {
+			// 设置压缩参数
+			ImageWriter writer = ImageIO.getImageWritersByFormatName("jpg").next();
+			ImageWriteParam param = writer.getDefaultWriteParam();
+			param.setCompressionMode(ImageWriteParam.MODE_EXPLICIT);
+			param.setCompressionQuality((float) quality);
+
+			// 压缩图像
+			writer.setOutput(ImageIO.createImageOutputStream(outputStream));
+			writer.write(null, new IIOImage(originalImage, null, null), param);
+
+			// 读取压缩后的图像
+			ByteArrayInputStream inputStream = new ByteArrayInputStream(outputStream.toByteArray());
+			compressedImage = ImageIO.read(inputStream);
+
+			// 关闭流
+			outputStream.close();
+			inputStream.close();
+			writer.dispose();
+		} catch (IOException e) {
+			e.printStackTrace();
+		}
+		return compressedImage;
+	}
 }