su37josephxia · keiing · Aug 19, 2020 · Aug 19, 2020 · Aug 20, 2020 · Aug 25, 2020
diff --git a/node/01/api/01-run.js b/node/01/api/01-run.js
diff --git a/node/01/api/02-useModule.js b/node/01/api/02-useModule.js
diff --git a/node/01/api/03-fs.js b/node/01/api/03-fs.js
@@ -1,11 +1,23 @@
-const fs = require('fs')
+// (async () => {
+//     const fs = require('fs')
+//     const { promisify } = require('util')
+//     const readFile = promisify(fs.readFile)
+//     const data = await readFile('./conf.js')
+//     console.log(data.toString())
+// })()
+
+// process.nextTick(async () => {
+// })
+
+
+// 同步读取
+// const data = fs.readFileSync('./conf.js')
+// console.log('data', data.toString())
+
+// fs.readFile('./conf.js', (err, data) => {
+//     if (err) throw err
+//     console.log('data', data.toString())
+// })
+
 
-// 同步
-// const data = fs.readFileSync('./download.js')
-// console.log(data,data.toString())
 
-// 异步方式
-fs.readFile('./download.js',(err,data) => {
-    if(err) throw err
-    console.log(data)
-})
diff --git a/node/01/api/04-buffer.js b/node/01/api/04-buffer.js
@@ -1,15 +1,13 @@
-// 创建一个长度为10字节以0填充的Buffer
 const buf1 = Buffer.alloc(10)
-console.log(buf1)
+console.log('buf1',buf1)
 
-// 创建一个Buffer包含ascii.
 const buf2 = Buffer.from('a')
-console.log(buf2,buf2.toString())
+console.log('buf2',buf2)
 
-// 创建Buffer包含UTF-8字节
 const buf3 = Buffer.from('中文')
-console.log(buf3)
+console.log('buf3',buf3,buf3.toString())
+
+// 0/1 bit -> 8bit
 
-// 合并Buffer
 const buf4 = Buffer.concat([buf2,buf3])
-console.log(buf4,buf4.toString())
+console.log('buf4',buf4,buf4.toString())
diff --git a/node/01/api/05-http.js b/node/01/api/05-http.js
@@ -1,27 +1,50 @@
 const http = require('http')
 const fs = require('fs')
 const server = http.createServer((request, response) => {
-    // response.end('hello ...')
-    const { url, method ,headers} = request
-    if (url === '/' && method === 'GET'){
-        // 静态页面服务
-        fs.readFile('index.html',(err,data) => {
+    // console.log('this is a request',getPrototypeChain(request))
+    // response.end('Hello 666') // 1
+    // response = '666' // Koa
+    // 信达雅
+
+    const { url, method, headers } = request
+    if (url === '/' && method === 'GET') {
+        fs.readFile('index.html', (err, data) => {
+            if (err) {
+                response.writeHead(500, {
+                    'Content-Type': 'text/plain;charset=utf-8'
+                })
+                response.end('500 服气')
+                return
+            }
             response.statusCode = 200
             response.setHeader('Content-Type','text/html')
             response.end(data)
         })
-    }else if(url === '/users' && method === 'GET'){
-        // Ajax服务
-        response.writeHead(200,{
-            'Content-Type': 'application/json'
+    }
+    else if (url === '/users' && method === 'GET') {
+        response.writeHead(200, {
+            'Content-Type' : 'application/json'
         })
-        response.end(JSON.stringify({
-            name : 'laowang'
-        }))
-    }else if(method === 'GET' && headers.accept.indexOf('image/*') !== -1){
-        // 图片文件服务
-        fs.createReadStream('./'+url).pipe(response)
+        response.end(JSON.stringify([{name : 'tom'}]))
+    } else if (method === 'GET' && headers.accept.indexOf('image/*') !== -1) {
+        fs.createReadStream('.' + url).pipe(response) // ./1.png
     }
+    else {
+        response.statusCode = 404
+        response.setHeader('Content-Type','text/plain;charset=utf-8')
+        response.end('404 页面没有 。。。')
+    }
+})
+
+function getPrototypeChain(obj) {
+    const protoChain = []
+    while (obj = Object.getPrototypeOf(obj)) {
+        protoChain.push(obj)
+    }
+    return protoChain
+}
+
 
+server.listen(3000, () => {
+    console.log('Server is start at 3000')
 })
-server.listen(3000)
diff --git a/node/01/api/06-stream.js b/node/01/api/06-stream.js
@@ -1,5 +1,4 @@
-//二进制友好，图片操作
 const fs = require('fs')
-const rs = fs.createReadStream('./img.png')
-const ws = fs.createWriteStream('./img2.png')
+const rs = fs.createReadStream('./1.png')
+const ws = fs.createWriteStream('./2.png')
 rs.pipe(ws)
diff --git a/node/01/api/1.png b/node/01/api/1.png
diff --git a/node/01/api/2.png b/node/01/api/2.png
diff --git a/node/01/api/conf.js b/node/01/api/conf.js
@@ -0,0 +1 @@
+aaabb
diff --git a/node/01/api/download.js b/node/01/api/download.js
diff --git a/node/01/api/img.png b/node/01/api/img.png
diff --git a/node/01/api/img2.png b/node/01/api/img2.png
diff --git a/node/01/api/index.html b/node/01/api/index.html
@@ -3,11 +3,10 @@
 <head>
     <meta charset="UTF-8">
     <meta name="viewport" content="width=device-width, initial-scale=1.0">
-    <meta http-equiv="X-UA-Compatible" content="ie=edge">
     <title>Document</title>
 </head>
 <body>
-    <h1>Hello ..</h1>
-    <img src="img.png" alt="">
+    <h1>Hello 666</h1>
+    <img src="1.png" alt="">
 </body>
 </html>
diff --git a/node/01/promise/index.js b/node/01/promise/index.js
diff --git a/node/01/promise/promisify.js b/node/01/promise/promisify.js
diff --git a/node/01/spawn-cross-platform/__tests__/index.spec.js b/node/01/spawn-cross-platform/__tests__/index.spec.js
diff --git a/node/01/spawn-cross-platform/index.js b/node/01/spawn-cross-platform/index.js
diff --git a/node/01/vue-auto-router-cli/bin/kkb.js b/node/01/vue-auto-router-cli/bin/kkb.js
@@ -1,18 +1,13 @@
 #!/usr/bin/env node
 const program = require('commander')
-program.version(require('../package').version)
-program
-    .command('init <name>')
+program.version(require('../package.json').version)
+program.command('init <name>')
     .description('init project')
-    .action(
-        require('../lib/init')
-    )
+    .action(require('../lib/init'))
+
 program
     .command('refresh')
     .description('refresh routers...')
     .action(require('../lib/refresh'))
-program
-    .command('serve')
-    .description('serve')
-    .action(require('../lib/serve'))
+
 program.parse(process.argv)
diff --git a/node/01/vue-auto-router-cli/lib/download.js b/node/01/vue-auto-router-cli/lib/download.js
@@ -1,8 +1,8 @@
-const {promisify} = require('util')
-module.exports.clone = async (repo,desc) => {
+const { promisify } = require('util')
+module.exports.clone = async function (repo, desc) {
     const download = promisify(require('download-git-repo'))
     const ora = require('ora')
-    const process = ora(`下载.....${repo}`)
+    const process = ora(`下载..... ${repo}`)
     process.start()
     await download(repo, desc)
     process.succeed()