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sadjv3_java
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文件上传，是图片时再压缩

This commit is contained in:
曹磊 2024-07-18 14:07:32 +08:00
parent aefc1418ec
commit 03bdc7c3cc
1 changed files with 28 additions and 14 deletions
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42
src/main/java/com/sqx/modules/file/utils/FileUploadUtils.java
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@ -132,6 +132,17 @@ public class FileUploadUtils
//file.transferTo(desc); //file.transferTo(desc);
IoUtil.close(out); IoUtil.close(out);
String pathFileName = getPathFileName(baseDir, fileName); String pathFileName = getPathFileName(baseDir, fileName);
String extension = getExtension(file);
String[] imgExtension = {"bmp", "gif", "jpg", "jpeg", "png"};
boolean isImg = false;
for (String str : imgExtension)
{
if (str.equalsIgnoreCase(extension))
{
isImg = true;
}
}
// try { // try {
// File input = new File(baseDir+"/"+fileName); // File input = new File(baseDir+"/"+fileName);
// BufferedImage image = ImageIO.read(input); // BufferedImage image = ImageIO.read(input);
@ -151,21 +162,24 @@ public class FileUploadUtils
// } catch (Exception e) { // } catch (Exception e) {
// System.out.println("压缩失败：" + e.getMessage()); // System.out.println("压缩失败：" + e.getMessage());
// } // }
try { //如果是图片则压缩
Date date = new Date(); if(isImg){
SimpleDateFormat sdf=new SimpleDateFormat("yyyyMMddHHmmss"); try {
Random random = new Random(); Date date = new Date();
int randomNumber = random.nextInt(900000) + 100000; // 生成一个介于100000到999999之间的随机数 SimpleDateFormat sdf=new SimpleDateFormat("yyyyMMddHHmmss");
String outfilename = fileName.substring(0,fileName.lastIndexOf("/"))+"/"+sdf.format(date)+randomNumber+fileName.substring(fileName.lastIndexOf("."),fileName.length()); Random random = new Random();
int randomNumber = random.nextInt(900000) + 100000; // 生成一个介于100000到999999之间的随机数
String outfilename = fileName.substring(0,fileName.lastIndexOf("/"))+"/"+sdf.format(date)+randomNumber+fileName.substring(fileName.lastIndexOf("."),fileName.length());
File inputFile = new File(baseDir + File.separator + fileName); File inputFile = new File(baseDir + File.separator + fileName);
File outputFile = new File(baseDir + File.separator + outfilename); // 输出图片文件 File outputFile = new File(baseDir + File.separator + outfilename); // 输出图片文件
String retImgName = "/file/uploadPath/"+outfilename; String retImgName = "/file/uploadPath/"+outfilename;
float quality = 0.45f; // 压缩质量，范围0.0到1.0 float quality = 0.45f; // 压缩质量，范围0.0到1.0
compressImage(inputFile, outputFile, quality); compressImage(inputFile, outputFile, quality);
pathFileName = retImgName; pathFileName = retImgName;
} catch (IOException e) { } catch (IOException e) {
e.printStackTrace(); e.printStackTrace();
}
} }
return pathFileName; return pathFileName;
} }