Files文件操作实现复制、移动_standardcopyoption.replace_existing

1、复制

StandardCopyOption.REPLACE_EXISTING:覆盖已有的目标路径
StandardCopyOption.COPY_ATTRIBUTES:复制所有的文件属性
Files.move(Paths.get("/app/test/filename.txt"),Paths.get("/app/test2/filename.txt"),StandardCopyOption.COPY_ATTRIBUTES);
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2、移动

Files.move(Paths.get("/app/test/filename.txt"),Paths.get("/app/test2/filename.txt"),StandardCopyOption.REPLACE_EXISTING);
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3、判断路径是否存在

Files.exists(Paths.get("/app/test/filename.txt"));
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4、创建文件

Files.createDirectories(Paths.get("/app/test/filename.txt"));
Files.createFile(Paths.get("/app/test/filename.txt"));
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5、删除文件

Files.deleteIfExists(Paths.get("/app/test/filename.txt"));
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6、写入文件

Files.write(Paths.get("/app/test/filename.txt"),bytes,StandardOpenOption.APPEND)
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7、批量获取文件路径

Stream<Path> files = Files.list(Paths.get("/app/test/filename.txt"));
files.forEach(path -> doImport(path))
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