hutool IoUtil工具

importcn.hutool.core.io.FileUtil;
importcn.hutool.core.io.IoUtil;
importjava.io.BufferedInputStream;
importjava.io.BufferedOutputStream;
publicclassTest {
publicstaticvoidmain(String[] args) {
BufferedInputStreamin=FileUtil.getInputStream("H:\\project\\hutool-study\\src\\main\\resources\\file1.txt");
BufferedOutputStreamout=FileUtil.getOutputStream("H:\\project\\hutool-study\\src\\main\\resources\\file2.txt");
longcopySize=IoUtil.copy(in, out);
System.out.println("finish. copySize = "+copySize);
    }
}

importcn.hutool.core.io.FileUtil;
importcn.hutool.core.io.IoUtil;
importjava.io.BufferedInputStream;
importjava.nio.charset.Charset;
importjava.util.ArrayList;
importjava.util.List;
publicclassTest {
publicstaticvoidmain(String[] args) {
BufferedInputStreamin=FileUtil.getInputStream("H:\\project\\hutool-study\\src\\main\\resources\\file1.txt");
List<String>content=newArrayList<>();
IoUtil.readLines(IoUtil.getReader(in, Charset.defaultCharset()), content);
content.forEach(System.out::println);
    }
}