jacky810124 · March 28, 2017 07:58 · Jan 22, 2017 · Jan 22, 2017 · Jan 22, 2017
diff --git a/design-pattern-state.js b/design-pattern-state.js
@@ -18,15 +18,15 @@ class Verifying extends State {
 
 }
 
-class VerifyFailed extends State{
+class VerifyFailed extends State {
 
   reject() {
     console.log('verifying')
   }
 
 }
 
-class VerifySucceed extends State{
+class VerifySucceed extends State {
 
 }
 

diff --git a/design-pattern-state.js b/design-pattern-state.js
@@ -9,8 +9,8 @@ class State {
 
 class Verifying extends State {
 
-  approve() {
-    console.log('verify succeed')
+  approve(data) {
+    console.log('verify succeed', data)
   }
   reject() {
     console.log('verify failed')
@@ -44,5 +44,5 @@ class Teacher {
 }
 
 const teacherA = new Teacher('Verifying')
-teacherA.approve()
+teacherA.approve({ name: 'jacky' })
 
diff --git a/design-pattern-state.js b/design-pattern-state.js
@@ -0,0 +1,48 @@
+class State {
+  approve() {
+    throw 'Should override this function'
+  }
+  reject() {
+    throw 'Should override this function'
+  }
+}
+
+class Verifying extends State {
+
+  approve() {
+    console.log('verify succeed')
+  }
+  reject() {
+    console.log('verify failed')
+  }
+
+}
+
+class VerifyFailed extends State{
+
+  reject() {
+    console.log('verifying')
+  }
+
+}
+
+class VerifySucceed extends State{
+
+}
+
+class Teacher {
+
+  constructor(state) {
+
+    const states = { Verifying, VerifySucceed, VerifyFailed }
+
+    this.currentState = new states[state]()
+    this.approve = this.currentState.approve
+    this.reject = this.currentState.reject
+  }
+
+}
+
+const teacherA = new Teacher('Verifying')
+teacherA.approve()
+