实现策略模式和模板方法模式示例，添加支付策略和烹饪流程，增强代码可读性

2026-01-07 19:27:14 +08:00
parent 5fbbada4b7
commit e5be1b62c2
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+/*
+实例：
+汤宝宝炒西红柿鸡蛋。
+*/
+
+abstract class Dish {
+  abstract prepareIngredients(): string;
+  abstract cook(): string;
+  abstract serve(): string;
+  doCooking(): void {
+    console.log("第一步：", this.prepareIngredients());
+    console.log("第二步：", this.cook());
+    console.log("第三步：", this.serve());
+  }
+}
+
+class TomatoEggs extends Dish {
+  prepareIngredients(): string {
+    return "准备西红柿和鸡蛋；";
+  }
+  cook(): string {
+    return "炒西红柿和鸡蛋；";
+  }
+  serve(): string {
+    return "装盘，西红柿鸡蛋炒好了。";
+  }
+}
+
+(function(){
+    console.log("========== 模板方法模式 ==========");
+    const dish = new TomatoEggs();
+    dish.doCooking();
+    console.log("\n======== 模板方法模式结束 ========");
+})()