隐式转换

src/main/scala/top/fjy8018/scala/ImplicitApp.scala

@@ -0,0 +1,28 @@
+package top.fjy8018.scala
+
+/**
+  * 隐式转换
+  *
+  * F嘉阳
+  * 2019-01-03 10:59
+  */
+object ImplicitApp extends App {
+
+  // 定义隐式转换函数
+  implicit def man2superman(man: Man): Superman = new Superman(man.name)
+
+  val man = new Man("FJY")
+  man.fly()
+}
+
+class Man(val name: String) {
+  def eat(): Unit = {
+    printf(s"man[ $name ] eat...")
+  }
+}
+
+class Superman(val name: String) {
+  def fly(): Unit = {
+    printf(s"superman[ $name ] fly...")
+  }
+}

src/main/scala/top/fjy8018/scala/RichFileApp.scala

@@ -0,0 +1,26 @@
+package top.fjy8018.scala
+
+import java.io.File
+
+import scala.io.{BufferedSource, Source}
+
+/**
+  * 隐式转换样例2
+  *
+  * F嘉阳
+  * 2019-01-03 11:09
+  */
+object RichFileApp extends App {
+
+  // 目的在于为Java IO类增加读取文件内容方法
+  implicit def file2RichFile(file: File): RichFile = new RichFile(file)
+
+  val f = new File("tmp/hello.txt")
+  println(f.readConent)
+}
+
+class RichFile(file: File) {
+  def readConent = {
+    Source.fromFile(file.getPath).mkString
+  }
+}