第一步
npm install express-generator -g安装完之后检测版本
express --version第二步:在根目录运行
express server安装完成后显示为
安装依赖
文件位置:根目录下package.json
"dependencies": {
"axios": "^0.18.0",
"vue": "^2.5.2",
"vue-lazyload": "^1.2.6",
"vue-router": "^3.0.1",
//添加下面的记得删除改行
"body-parser": "~1.16.0",
"cookie-parser": "~1.4.3",
"debug": "~2.6.9",
"express": "~4.16.0",
"http-errors": "~1.6.2",
"jade": "~1.11.0",
"morgan": "~1.9.0"
},启动server
启动成功的显示
使用HTML模板渲染后端
根目录下运行
npm install ejs --save根目录/server/app.js
var createError = require('http-errors');
var express = require('express');
var path = require('path');
//添加这一个 -start
var ejs = require('ejs');
//添加这一个 -end
var cookieParser = require('cookie-parser');
var logger = require('morgan');
var indexRouter = require('./routes/index');
var usersRouter = require('./routes/users');
var app = express();
// view engine setup
app.set('views', path.join(__dirname, 'views'));
//使用html -start
app.engine('.html',ejs.__express);
// app.set('view engine', 'jade');
app.set('view engine', 'html');
//使用html -end根目录/server/views 下删掉.jade文件.新建index.html文件
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>Document</title>
</head>
<body>
<h2>hello express</h2>
</body>
</html>验证启动
根目录下
node server/bin/www启动成功
