//我是用php的思想来学习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('开始文件上传....');
var form = new formidable.IncomingForm();
//设置编辑
form.encoding = 'utf-8';
//设置文件存储路径
form.uploadDir = "./public/images/";
//保留后缀
form.keepExtensions = true;
//设置单文件大小限制
form.maxFieldsSize = 2 * 1024 * 1024;
//form.maxFields = 1000; 设置所以文件的大小总和
form.parse(req, function(err, fields, files) {
//console.log(fields);
console.log(files.thumbnail.path);
console.log('文件名:'+files.thumbnail.name);
var t = (new Date()).getTime();
//生成随机数
var ran = parseInt(Math.random() * 8999 +10000);
//拿到扩展名
var extname = path.extname(files.thumbnail.name);
//path.normalize('./path//upload/data/../file/./123.jpg'); 规范格式文件名
var oldpath = path.normalize(files.thumbnail.path);
//新的路径
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("改名失败"+err);
}
res.render('index', { title: '文件上传成功:', 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>这里变量没有输出但没有报销:<%= 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>
