Step into Kotlin - 21 - I/O

目录

摘要

读取行，读取字符串

IO 操作

读取操作

逐行读取

var source = File("coffeetime-kotlin/myfile.txt")val lines = source.readLines("UTF-8")for (l in lines) {    println(l)}

读取到字符串中

val contents = source.readText("UTF-8")