批量删除和修改文件名前缀
package test;
import jdk.nashorn.internal.ir.CallNode;
import java.io.File;
public class FileTest {
public static void main(String[] args) {
File file = new File("F:\\BilibiliDown\\2020JAVA基础-深入系统的学习数据结构与算法");
System.out.println(file.getAbsolutePath());
File[] files = file.listFiles();
//加上前缀
for (File file1 : files) {
String prefix = "2020JAVA基础-深入系统的学习数据结构与算法 - ";
addPrefix("2020JAVA基础-深入系统的学习数据结构与算法 - ", file1);
}
//删除前缀
for (File file1 : files) {
String prefix = "2020JAVA基础-深入系统的学习数据结构与算法 - ";
deletePrefix(prefix, file1);
}
}
public static void addPrefix(String prefix, File file1) {
String name = file1.getName();
File file2 = new File(file1.getParent() + "\\" + prefix + name);
file1.renameTo(file2);
}
public static void deletePrefix(String prefix, File file1) {
int length = prefix.length();
String name = file1.getName();
File file2 = new File(file1.getParent() + "\\" + name.substring(length));
file1.renameTo(file2);
}
}