標籤：inpu 檔案 user 失敗 put username submit min rmi
//我是用php的思想來學習nodejs
var express = require(‘express‘);var router = express.Router();var fs = require(‘fs‘);var path= require("path");var formidable = require(‘formidable‘);/* GET home page. */router.get(‘/‘, function(req, res, next) { res.render(‘index‘, { title: ‘Express+EJS+mysql+s2‘ });});router.post(‘/file-upload‘, function(req, res, next) { console.log(‘開始檔案上傳....‘); var form = new formidable.IncomingForm(); //設定編輯 form.encoding = ‘utf-8‘; //設定檔案儲存體路徑 form.uploadDir = "./public/images/"; //保留尾碼 form.keepExtensions = true; //設定單檔案大小限制 form.maxFieldsSize = 2 * 1024 * 1024; //form.maxFields = 1000; 設定所以檔案的大小總和 form.parse(req, function(err, fields, files) { //console.log(fields); console.log(files.thumbnail.path); console.log(‘檔案名稱:‘+files.thumbnail.name); var t = (new Date()).getTime(); //產生隨機數 var ran = parseInt(Math.random() * 8999 +10000); //拿到副檔名 var extname = path.extname(files.thumbnail.name); //path.normalize(‘./path//upload/data/../file/./123.jpg‘); 標準格式檔案名稱 var oldpath = path.normalize(files.thumbnail.path); //新的路徑 let newfilename=t+ran+extname; var newpath = ‘./public/images/‘+newfilename; console.warn(‘oldpath:‘+oldpath+‘ newpath:‘+newpath); fs.rename(oldpath,newpath,function(err){ if(err){ console.error("改名失敗"+err); } res.render(‘index‘, { title: ‘檔案上傳成功:‘, imginfo: newfilename }); }); //res.end(util.inspect({fields: fields, files: files})); }); });/* supervisor ./bin/www */module.exports = router;
<!DOCTYPE html><html><head><title><%= title %></title><link rel=’stylesheet’ href=’/stylesheets/style.css’ /></head><body><h5>這裡變數沒有輸出但沒有報銷:<%= locals.title %></h5><p>Welcome to <%= title %></p><img src=‘./images/<%= locals.imginfo %>‘ width=‘200‘/><form method="post" enctype="multipart/form-data" action="/file-upload"> <input type="text" name="username"> <input type="password" name="password"> <input type="file" name="thumbnail"> <input type="submit"></form></body></html>
node express formidable 檔案上傳後修改檔案名稱
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