文章来源:https://www.cnblogs.com/hello-tl/p/9139432.html
import java.io.*; public class FileBasicOperation { /** * 清空文件内容 * @param fileName */ public static void clearInfoForFile(String fileName) { File file =new File(fileName); try { if(!file.exists()) { file.createNewFile(); } FileWriter fileWriter =new FileWriter(file); fileWriter.write(""); fileWriter.flush(); fileWriter.close(); } catch (IOException e) { e.printStackTrace(); } } }
文章来源:https://www.cnblogs.com/hello-tl/p/9139432.html
来源:https://www.cnblogs.com/hello-tl/p/9139432.html