JDK新特性

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Files API新增 ​

  • static String readString(Path path)
    读取文件为文本 默认为UTF8编码
  • static String readString(Path path, Charset cs)
    以指定编码读取文件为文本
  • static Path writeString(Path path, CharSequence csq, OpenOption... options)
    将给定CharSequence以UTF8编码写入文件
  • static Path writeString(Path path, CharSequence csq, Charset cs, OpenOption... options)
    将给定CharSequence以给定编码写入文件
java
Path path = Paths.get(FilesSpec.class.getResource("FilesSpec.txt").toURI());
// 写文件
Files.writeString(path, "abc你好\r\n", StandardOpenOption.WRITE, StandardOpenOption.APPEND);
// 读文件
System.out.println(Files.readString(path));
// 按行读
Files.readAllLines(path).forEach(System.out::println);