删除文件夹下七天前的文件
import java.io.File;
import java.util.Date;
public class DeleteFilesOlderThanSevenDays {
public static void main(String[] args) {
String folderPath = "C:/YourFolderPath";
File folder = new File(folderPath);
long currentTimeMillis = System.currentTimeMillis();
long sevenDaysAgo = currentTimeMillis - (7 * 24 * 60 * 60 * 1000);
deleteFilesOlderThan(folder, sevenDaysAgo);
}
public static void deleteFilesOlderThan(File folder, long thresholdTime) {
File[] files = folder.listFiles();
if (files != null) {
for (File file : files) {
if (file.isDirectory()) {
deleteFilesOlderThan(file, thresholdTime);
} else {
long lastModified = file.lastModified();
if (lastModified < thresholdTime) {
if (file.delete()) {
System.out.println("已删除文件: " + file.getAbsolutePath());
} else {
System.err.println("无法删除文件: " + file.getAbsolutePath());
}
}
}
}
}
}
}
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