scala IO按字符读取

2024-11-21 来源：个人技术集锦

import scala.io.{BufferedSource, Source}

object D02_按字符读取 {

  def main(args: Array[String]): Unit = {
    read1()
    // read2()
  }

  def read1(): Unit = {
    val source: BufferedSource = Source.fromFile("./data/2.txt")
    // 以字符为单位读取
    val iter: BufferedIterator[Char] = source.buffered
    while (iter.hasNext) {
      print(iter.next())
    }
    source.close()
  }

  def read2(): Unit = {
    val source: BufferedSource = Source.fromFile("./data/2.txt")
    // 若文件不大，则可以将其直接读取到一个字符串中
    val str: String = source.mkString
    println(str)
    source.close()
  }

}

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scala IO按字符读取