<ruby id="bdb3f"></ruby>

    <p id="bdb3f"><cite id="bdb3f"></cite></p>

      <p id="bdb3f"><cite id="bdb3f"><th id="bdb3f"></th></cite></p><p id="bdb3f"></p>
        <p id="bdb3f"><cite id="bdb3f"></cite></p>

          <pre id="bdb3f"></pre>
          <pre id="bdb3f"><del id="bdb3f"><thead id="bdb3f"></thead></del></pre>

          <ruby id="bdb3f"><mark id="bdb3f"></mark></ruby><ruby id="bdb3f"></ruby>
          <pre id="bdb3f"><pre id="bdb3f"><mark id="bdb3f"></mark></pre></pre><output id="bdb3f"></output><p id="bdb3f"></p><p id="bdb3f"></p>

          <pre id="bdb3f"><del id="bdb3f"><progress id="bdb3f"></progress></del></pre>

                <ruby id="bdb3f"></ruby>

                合規國際互聯網加速 OSASE為企業客戶提供高速穩定SD-WAN國際加速解決方案。 廣告
                ## 核心模塊 ### File System 1. fs.stat(url,callback(err,stats)) ~~~ const fs = require("fs"); fs.stat("../fs",function(err,stats){ if(err){ return console.log(err); } console.log(stats.isDirectory()); console.log(stats.isFile()); }) ~~~ 2.fs.readFile(url,callback(err,data)) ~~~ const fs = require("fs"); fs.readFile("../2.txt", (err,data)=>{ if(err){ return console.log(err); } console.log(data.toString()); }); ~~~ 3.fs.readdir(url,callback(err,files)); ~~~ const fs = require("fs"); fs.readdir(url,(err,files)=>{ console.log(files) //files is a array; }) ~~~ 4.獲取某個文件夾下所有的文件夾 ~~~ const fs = require('fs'); fs.readdir("../../node系統模塊", (err,files)=>{ // console.log(files); let arr = []; for(let i=0;i<files.length;i++){ let cur = files[i]; fs.stat('../../node系統模塊/'+cur, (err,stats)=>{ if(err){ return console.log(err) } if(stats.isDirectory()){ arr.push(cur); // console.log(arr) } if(i==files.length-1){ console.log(arr); } }); } }); ~~~ 5.fs.writeFile(url,data,callback(err)} ~~~ //不存在就創建,存在就替換 fs.writeFile("2.txt","lorem is gold",(err){ if(err){ return console.log(err)} console.log("the file has been saved"); }) ~~~ 6.fs.writeFile(url,data,callback(err)) ~~~ //追加,不存在就創建,存在就追加 ~~~
                  <ruby id="bdb3f"></ruby>

                  <p id="bdb3f"><cite id="bdb3f"></cite></p>

                    <p id="bdb3f"><cite id="bdb3f"><th id="bdb3f"></th></cite></p><p id="bdb3f"></p>
                      <p id="bdb3f"><cite id="bdb3f"></cite></p>

                        <pre id="bdb3f"></pre>
                        <pre id="bdb3f"><del id="bdb3f"><thead id="bdb3f"></thead></del></pre>

                        <ruby id="bdb3f"><mark id="bdb3f"></mark></ruby><ruby id="bdb3f"></ruby>
                        <pre id="bdb3f"><pre id="bdb3f"><mark id="bdb3f"></mark></pre></pre><output id="bdb3f"></output><p id="bdb3f"></p><p id="bdb3f"></p>

                        <pre id="bdb3f"><del id="bdb3f"><progress id="bdb3f"></progress></del></pre>

                              <ruby id="bdb3f"></ruby>

                              哎呀哎呀视频在线观看