標籤：lis java ntb end xhr div for style pat
<!DOCTYPE html> <html> <head lang="en"> <meta charset="UTF-8"> <title>向伺服器上傳檔案</title> <script type="text/javascript"> function uploadFile(){ var formData=new FormData(); var files=document.getElementById("files").files; var file=files[0]; formData.append("myfile",file); var xhr=new XMLHttpRequest(); xhr.open("post","index.html",true); xhr.onload= function (e) { if(this.status==200) document.getElementById("result").innerHTML=this.response; }; xhr.send(formData); } </script> </head> <body> 請選擇檔案:<input type="file" id="files" name="file" /> <input type="button" value="上傳檔案" onclick="uploadFile();" /> <div id="result"></div> </body> </html>
伺服器
var express=require("express"); var fs=require("fs"); var app=express(); app.use(express.bodyParser()); app.get("/index.html", function (req,res) { res.sendfile(__dirname+"/1.html"); }); app.post("/index.html", function (req,res) { var file=req.files.myfile; fs.readFile(file.path, function (err,data) { if(err) res.send("讀檔案操作失敗"); else{ fs.writeFile(file.name,data, function (err) { if(err) res.send("寫檔案操作失敗."); else res.send("檔案上傳成功"); }) } }); }); app.listen(1337,"127.0.0.1", function () { console.log("開始監聽"); });
node 檔案上傳
Start building with 50+ products and up to 12 months usage for Elastic Compute Service
1 on 1 presale consultation
24/7 Technical Support 6 Free Tickets per Quarter Faster Response
Alibaba Cloud offers highly flexible support services tailored to meet your exact needs.
A comprehensive suite of global cloud computing services to power your business
Payment Methods We Support
