feat: 2020.10.09

pingan8787 · pingan8787 · commit 5fd8c2dea622 · 2020-10-09T08:13:39.000+08:00
diff --git a/Cute-Gist/Patterns/StrategyPattern.ts b/Cute-Gist/Patterns/StrategyPattern.ts
@@ -1,3 +1,7 @@
+/**
+ * DEMO1
+ */
+
 interface Strategy<T> {
     execute(data: T): T
 }
@@ -33,4 +37,58 @@ context.setStrategy(new Leo1ConcreteStrategy());
 console.log(context.doSomething(10))
 
 context.setStrategy(new Leo2ConcreteStrategy());
-console.log(context.doSomething(100))
+console.log(context.doSomething(100))
+
+/**
+ * DEMO2
+ */
+interface Strategy {
+    authenticate(...args: any): any;
+  }
+  
+  class Authenticator {
+    strategy: any;
+    constructor() {
+      this.strategy = null;
+    }
+  
+    setStrategy(strategy: any) {
+      this.strategy = strategy;
+    }
+  
+    authenticate(...args: any) {
+      if (!this.strategy) {
+        console.log('尚未设置认证策略');
+        return;
+      }
+      return this.strategy.authenticate(...args);
+    }
+  }
+  
+  class WechatStrategy implements Strategy {
+    authenticate(wechatToken: string) {
+      if (wechatToken !== '123') {
+        console.log('无效的微信用户');
+        return;
+      }
+      console.log('微信认证成功');
+    }
+  }
+  
+  class LocalStrategy implements Strategy {
+    authenticate(username: string, password: string) {
+      if (username !== 'abao' && password !== '123') {
+        console.log('账号或密码错误');
+        return;
+      }
+      console.log('账号和密码认证成功');
+    }
+  }
+  
+  const auth = new Authenticator();
+  
+  auth.setStrategy(new WechatStrategy());
+  auth.authenticate('123456');
+  
+  auth.setStrategy(new LocalStrategy());
+  auth.authenticate('abao', '123');
