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sadjv3_java
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修改压缩不好使的问题

This commit is contained in:
yangjun 2024-07-15 19:12:35 +08:00
parent 6983d37a86
commit 7b105d4dfc
1 changed files with 27 additions and 10 deletions
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37
src/main/java/com/sqx/modules/file/utils/FileUploadUtils.java
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@ -111,22 +111,39 @@ public class FileUploadUtils
String fileName = extractFilename(file);
File desc = getAbsoluteFile(baseDir, fileName);
// try {
// byte[] compressedImage = compressImage(desc, 0.5f); // 压缩比例，如0.5表示压缩50%
// // 将压缩后的图片保存到文件
// ImageIO.write(ImageIO.read(new ByteArrayInputStream(compressedImage)), "png", desc);
// } catch (IOException e) {
// e.printStackTrace();
// }
//
OutputStream out = Files.newOutputStream(desc.toPath());
IoUtil.copy(file.getInputStream(), out);
//file.transferTo(desc);
IoUtil.close(out);
String pathFileName = getPathFileName(baseDir, fileName);
try {
File inputImageFile = new File(pathFileName); // 替换为实际图片路径
byte[] compressedImage = compressImage(inputImageFile, 0.5f); // 压缩比例，如0.5表示压缩50%
// 将压缩后的图片保存到文件
File outputFile = new File(pathFileName); // 替换为输出图片路径
ImageIO.write(ImageIO.read(new ByteArrayInputStream(compressedImage)), "png", outputFile);
} catch (IOException e) {
e.printStackTrace();
}
// try {
// File input = new File(baseDir+"/"+fileName);
// BufferedImage image = ImageIO.read(input);
//// int width = image.getWidth();
//// int height = image.getHeight();
// double scaleFactor = 0.1; // 压缩比例为50%
// int width = (int) (image.getWidth() * scaleFactor);
// int height = (int) (image.getHeight() * scaleFactor);
//
// BufferedImage compressedImage = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);
// Graphics2D g2d = compressedImage.createGraphics();
// g2d.drawImage(image, 0, 0, width, height, null);
// g2d.dispose();
// ImageIO.write(compressedImage, "png", input);
//
// System.out.println("压缩成功！");
// } catch (Exception e) {
// System.out.println("压缩失败：" + e.getMessage());
// }
return pathFileName;
}
public static byte[] compressImage(File imageFile, float scale) throws IOException {