From 1e4dcee79aa2c750397b8077214fa0019bd4b926 Mon Sep 17 00:00:00 2001
From: xiejie <745007854@qq.com>
Date: Mon, 27 Mar 2023 13:16:26 +0800
Subject: [PATCH] =?UTF-8?q?=E6=9B=B4=E6=96=B0=E8=AF=BE=E4=BB=B6?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
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---
 .../2-24. Update/{课件资料 => }/Update.md     |  0
 .../02. 第二章/2-24. Update/课堂代码/App.js   | 68 -------------------
 2 files changed, 68 deletions(-)
 rename 就业篇/02. 第二章/2-24. Update/{课件资料 => }/Update.md (100%)
 delete mode 100644 就业篇/02. 第二章/2-24. Update/课堂代码/App.js

diff --git a/就业篇/02. 第二章/2-24. Update/课件资料/Update.md b/就业篇/02. 第二章/2-24. Update/Update.md
similarity index 100%
rename from 就业篇/02. 第二章/2-24. Update/课件资料/Update.md
rename to 就业篇/02. 第二章/2-24. Update/Update.md
diff --git a/就业篇/02. 第二章/2-24. Update/课堂代码/App.js b/就业篇/02. 第二章/2-24. Update/课堂代码/App.js
deleted file mode 100644
index e4e3d0d..0000000
--- a/就业篇/02. 第二章/2-24. Update/课堂代码/App.js	
+++ /dev/null
@@ -1,68 +0,0 @@
-// 示例一
-
-// import React, { useState } from "react";
-
-// // 该组件的渲染是非常耗时的
-// function ExpensiveCom() {
-//   const now = performance.now();
-//   while (performance.now() - now < 200) {}
-//   return <p>耗时的组件</p>;
-// }
-
-// function Input() {
-//   // 维护了一组数据
-//   const [num, updateNum] = useState(0);
-
-//   return (
-//     <>
-//       <input value={num} onChange={(e) => updateNum(e.target.value)} />
-//       <p>num is {num}</p>
-//     </>
-//   );
-// }
-
-// function App() {
-//   return (
-//     <>
-//       <Input/>
-//       <ExpensiveCom />
-//     </>
-//   );
-// }
-
-// export default App;
-
-// 示例二
-
-import React, { useState } from "react";
-
-function ExpensiveCom() {
-  const now = performance.now();
-  while (performance.now() - now < 200) {}
-  return <p>耗时的组件</p>;
-}
-
-function Counter({ children }) {
-  const [num, updateNum] = useState(0);
-  return (
-    <div title={num}>
-      <input value={num} onChange={(e) => updateNum(e.target.value)} />
-      <p>num is {num}</p>
-      {children}
-    </div>
-  );
-}
-
-function App() {
-  // 在这个示例中，数据重新又在 App 组件中进行维护了
-  // 而且还不像上面的例子那样可以分离出去
-  // const [num, updateNum] = useState(0);
-
-  return (
-    <Counter>
-      <ExpensiveCom />
-    </Counter>
-  );
-}
-
-export default App;