node.js + mongodb 做项目的详解(二)

这次内容是结合bootstrap把登陆注册做好,还有就是express的中间件等问题。

看这篇博客之前建议先看我上篇写的那篇博客
http://www.cnblogs.com/hubwiz/p/4118083.html

第一步

当然还是准备工作了,在bootstrap官网下载好需要的东西了,怎么用官网已经写的很详细,在这就不细说了。
下载地址:http://v3.bootcss.com/getting-started/

直接上代码吧。

index.html
<!DOCTYPE html>
<html>
<head>
<title>吃货</title>
<link rel='stylesheet' href='/stylesheets/style.css'/>
<link rel="stylesheet" href="/stylesheets/bootstrap.min.css">
</head>
<body>
<header class="navbar navbar-default navbar-fixed-top" role="navigation">
<div class="container">
<div class="navbar-header">
<a class="navbar-brand" href="/">
<!--<img alt="Brand" src="...">-->
<p>吃货</p>
</a>
</div>
<div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
<ul class="nav navbar-nav navbar-right">
<li><a href="login">登录</a></li>
<li><a href="register">注册</a></li>
</ul>
<form class="navbar-form left" role="search">
<div class="form-group">
<input type="text" class="form-control" placeholder="Search">
</div>
<button type="submit" class="btn btn-default">Submit</button>
</form>
</div>
</div>
</header> <script src="/javascripts/jquery-2.1.1.min.js"></script>
<script src="/javascripts/bootstrap.min.js"></script>
</body>
</html>

 <!DOCTYPE html>
<html>
<head>
<title><%= title %></title>
<link rel='stylesheet' href='/stylesheets/style.css'/>
<link rel="stylesheet" href="/stylesheets/bootstrap.min.css">
<style type="text/css">
.row {
margin-top: 110px;
margin-bottom: 40px;
} #login-user {
margin-top: 20px;
} .footer {
margin-top: 60px;
border-top: 1px solid #CCCCCC;
background-color: #f5f5f5;
}
</style>
</head>
<body>
<header class="navbar navbar-default navbar-fixed-top" role="navigation">
<div class="container">
<div class="navbar-header">
<a class="navbar-brand" href="/">
<!--<img alt="Brand" src="...">-->
<p>吃货</p>
</a>
</div>
<div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
<ul class="nav navbar-nav navbar-right">
<li class="action"><a href="login">登录</a></li>
<li><a href="register">注册</a></li>
</ul>
<form class="navbar-form left" role="search">
<div class="form-group">
<input type="text" class="form-control" placeholder="Search">
</div>
<button type="submit" class="btn btn-default">Submit</button>
</form>
</div>
</div>
</header> <div class="container">
<div class="row">
<div class="col-md-3 col-md-offset-2">
<img src="/images/login.png"/>
</div>
<div class="panel panel-default col-md-4 col-md-offset-2">
<div class="panel-body" id="login-user">
<form class="form-horizontal" role="form" action="ucenter/login" method="post">
<p>账号登录</p>
<div class="form-group">
<input type="text" class="form-control" id="name" name="name" placeholder="Email">
</div>
<div class="form-group">
<input type="password" class="form-control" id="password" name="password"
placeholder="Password">
</div>
<div class="form-group">
<div class="checkbox">
<label>
<input type="checkbox"> 记住我
</label>
</div>
</div>
<div class="form-group">
<input type="submit" class="btn btn-success btn-lg btn-block" value="登录">
</div>
</form>
</div>
</div>
</div>
</div> <script src="/javascripts/jquery-2.1.1.min.js"></script>
<script src="/javascripts/bootstrap.min.js"></script>
</body>
</html>

login.html

 <!DOCTYPE html>
<html>
<head>
<title><%= title %></title>
<link rel='stylesheet' href='/stylesheets/style.css'/>
<link rel="stylesheet" href="/stylesheets/bootstrap.min.css">
<style type="text/css">
.row {
margin-top: 110px;
margin-bottom: 40px;
} #login-user {
margin-top: 20px;
} .footer {
margin-top: 60px;
border-top: 1px solid #CCCCCC;
background-color: #f5f5f5;
}
</style>
</head>
<body>
<header class="navbar navbar-default navbar-fixed-top" role="navigation">
<div class="container">
<div class="navbar-header">
<a class="navbar-brand" href="/">
<!--<img alt="Brand" src="...">-->
<p>吃货</p>
</a>
</div>
<div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
<ul class="nav navbar-nav navbar-right">
<li><a href="login">登录</a></li>
<li class="action"><a href="register">注册</a></li>
</ul>
<form class="navbar-form left" role="search">
<div class="form-group">
<input type="text" class="form-control" placeholder="Search">
</div>
<button type="submit" class="btn btn-default">Submit</button>
</form>
</div>
</div>
</header> <div class="container">
<div class="row">
<div class="col-md-3 col-md-offset-2">
<img src="/images/login.png"/>
</div>
<div class="panel panel-default col-md-4 col-md-offset-2">
<div class="panel-body" id="login-user">
<form class="form-horizontal" role="form" action="ucenter/register" method="post">
<p>账号注册</p>
<div class="form-group">
<input type="text" class="form-control" id="name" name="name" placeholder="Email">
</div>
<div class="form-group">
<input type="password" class="form-control" id="password" name="password"
placeholder="Password">
</div>
<div class="form-group">
<input type="password" class="form-control" id="confirmPassword" name="confirmPassword"
placeholder="Password">
</div>
<div class="form-group">
<div class="checkbox">
<label>
<input type="checkbox"> 记住我
</label>
</div>
</div>
<div class="form-group">
<input type="submit" class="btn btn-success btn-lg btn-block" value="注册">
</div>
</form>
</div>
</div>
</div>
</div> <script src="/javascripts/jquery-2.1.1.min.js"></script>
<script src="/javascripts/bootstrap.min.js"></script>
</body>
</html>

register

静态资源引用对就没有什么问题了。

截个图看看效果:

node.js + mongodb 做项目的详解(二)

第二步
就是登陆和注册了

写在router文件中
index.js

/*ucenter-登录*/
router.post('/ucenter/login', function (req, res) {
user.findOne({name: req.body.name}, function (err, data) {
if (data.name === req.body.name && data.password === req.body.password) {
console.log(req.body.name + '登陆成功' + new Date());
res.render('ucenter', {title: 'ucenter'});
} else {
console.log(err);
res.send(500);
}
});
});
/*ucenter-注册*/
router.post('/ucenter/register', function (req, res) {
user.findOne({name: req.body.name}, function (err, docs) {
if (err)
console.log(err);
else if (!docs) {
user.create({
name: req.body.name,
password: req.body.password
}, function (err, doc) {
if (err)
console.log(err);
else
console.log(doc);
});
res.render('ucenter', {title: 'ucenter'});
}
})
});

页面中表单提交就用的action,没有用Ajax,这里为了方便讲解,如果你写用Ajax请求的写法
请看:http://www.hubwiz.com/coursecenter 中的express课程
其中有详细的做法。

第三步

就是express的session问题了

在express 4.0之前的版本,像session之类的中间件是伴随express自动安装的,
网上有的教程使用的express版本正是4.0之前的版本,所以在使用4.0及其之后版本的时候一定要注意这点。

这是在实现mongodb回话组建connect-mongo时需要的。

With express4:

var session    = require('express-session');
var MongoStore = require('connect-mongo')(session); app.use(session({
secret: settings.cookie_secret,
store: new MongoStore({
db : settings.db,
})
}));
With express<4: var express = require('express');
var MongoStore = require('connect-mongo')(express); app.use(express.session({
secret: settings.cookie_secret,
store: new MongoStore({
db: settings.db
})
}));
With connect: var connect = require('connect');
var MongoStore = require('connect-mongo')(connect);

这段代码可以再connect-mongo github中看到。

代码还没有整理好,就没有传到github上,请随时关注我的博客。
好了,结束。

上一篇:Flume官方文档翻译——Flume 1.7.0 User Guide (unreleased version)(一)


下一篇:【翻译】Flume 1.8.0 User Guide(用户指南) source