2 năm trước cách đây · 37ccdf4b5d
--- a/19_Node.js/day-2/code/index.html
+++ b/19_Node.js/day-2/code/index.html
@@ -0,0 +1,26 @@
 
				+<!DOCTYPE html>
			
 
				+<html lang="en">
			
 
				+  <head>
			
 
				+    <meta charset="UTF-8" />
			
 
				+    <meta http-equiv="X-UA-Compatible" content="IE=edge" />
			
 
				+    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
			
 
				+    <title>Document</title>
			
 
				+  </head>
			
 
				+  <body>
			
 
				+    <script>
			
 
				+      var p;
			
 
				+      try {
			
 
				+        p = new Promise((res, rej) => {
			
 
				+          // 抛出异常后 会将promise对象 变成失败的状态
			
 
				+          throw new Error('就是这么傲娇.');
			
 
				+          rej('莫名其妙 无理取闹'); // 将promise对象 变成失败的状态
			
 
				+        });
			
 
				+        // .catch((err) => err);
			
 
				+      } catch (error) {
			
 
				+        console.error('走了吗', error);
			
 
				+      }
			
 
				+
			
 
				+      console.log(p);
			
 
				+    </script>
			
 
				+  </body>
			
 
				+</html>
			
--- a/19_Node.js/day-2/code/index.js
+++ b/19_Node.js/day-2/code/index.js
@@ -0,0 +1,9 @@
 
				+// fs
			
 
				+// import { writeFileAsync } from './learn:fs.mjs';
			
 
				+// writeFileAsync();
			
 
				+
			
 
				+// import { appendFileAsync } from './learn:fs.mjs';
			
 
				+// appendFileAsync('\n不知道写点啥了');
			
 
				+
			
 
				+import { readFileAsync } from './learn:fs.mjs';
			
 
				+readFileAsync();
			
--- a/19_Node.js/day-2/code/learn:fs.mjs
+++ b/19_Node.js/day-2/code/learn:fs.mjs
@@ -0,0 +1,40 @@
 
				+import { writeFile, appendFile, readFile } from 'node:fs/promises';
			
 
				+
			
 
				+/**
			
 
				+ *! writeFile 写
			
 
				+ */
			
 
				+export async function writeFileAsync() {
			
 
				+  try {
			
 
				+    await writeFile('./log.txt', 'heheda');
			
 
				+    console.log('写入成功');
			
 
				+  } catch (error) {
			
 
				+    console.error('写入失败：', error);
			
 
				+  }
			
 
				+}
			
 
				+
			
 
				+/**
			
 
				+ *! appendFile 向文件末尾追加内容
			
 
				+ */
			
 
				+
			
 
				+export async function appendFileAsync(data = '') {
			
 
				+  try {
			
 
				+    await appendFile('./log.append.txt', data);
			
 
				+    console.log('写入成功');
			
 
				+  } catch (error) {
			
 
				+    console.error('写入失败：', error);
			
 
				+  }
			
 
				+}
			
 
				+
			
 
				+/**
			
 
				+ *! readFile 读取文件内容
			
 
				+ */
			
 
				+
			
 
				+export async function readFileAsync() {
			
 
				+  try {
			
 
				+    // 默认读取的内容 是 二进制数据的16进制编码 数据
			
 
				+    // let content = await readFile('./log.append.txt');
			
 
				+    let content = await readFile('./log.append.txt', 'utf8');
			
 
				+
			
 
				+    console.log(content);
			
 
				+  } catch (error) {}
			
 
				+}
			
--- a/19_Node.js/day-2/code/log.append.txt
+++ b/19_Node.js/day-2/code/log.append.txt
@@ -0,0 +1,2 @@
 
				+heiheihaheiheiha
			
 
				+不知道写点啥了
			
--- a/19_Node.js/day-2/code/log.txt
+++ b/19_Node.js/day-2/code/log.txt
@@ -0,0 +1 @@
 
				+heheda
			
--- a/19_Node.js/day-2/code/package.json
+++ b/19_Node.js/day-2/code/package.json
@@ -0,0 +1,13 @@
 
				+{
			
 
				+  "name": "code",
			
 
				+  "version": "1.0.0",
			
 
				+  "description": "",
			
 
				+  "main": "index.js",
			
 
				+  "type": "module",
			
 
				+  "scripts": {
			
 
				+    "test": "echo \"Error: no test specified\" && exit 1"
			
 
				+  },
			
 
				+  "keywords": [],
			
 
				+  "author": "",
			
 
				+  "license": "ISC"
			
 
				+}