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express's Introduction

express

  • 初始化專案 
    express -f 專案名稱
  • install package 
    #兩者擇一執行
yarn install
npm install
    初始後, 使用npm install或yarn install安裝 package.json 內所指定的套件, 安裝後會產生 node_modules 資料夾
  • routes/index.js 加入 /test 路徑, 並傳送文字
    router.get 代表建立一個路由並使用 HTTP request methods 中的 get 形式. 
    router.get('子路徑', function(接收資料, 回傳資料, next) {
    res.send('顯示的文字')
})
  • 執行
    使用 node ./bin/www 或 npm start 來啟動專案(localhost:3000)
    npm start 是在 package.json 檔案裡的 script 所設定的快捷鍵 
    #兩者擇一執行
node ./bin/www
npm start

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