案例:学生档案管理
app.js
// 引入http模块
const http = require('http');
// 引入模板引擎
const template = require('art-template');
// 引入path模块
const path = require('path');
// 引入静态资源访问模块
const serveStatic = require('serve-static');
// 引入处理日期的第三方模块
const dateformat = require('dateformat');
const router = require('./route/index');
// 实现静态资源访问服务
const serve = serveStatic(path.join(__dirname, 'public'))
// 配置模板的根目录
template.defaults.root = path.join(__dirname, 'views');
// 处理日期格式的方法
template.defaults.imports.dateformat = dateformat;
// 数据库连接
require('./model/connect');
// 创建网站服务器
const app = http.createServer();
// 当客户端访问服务器端的时候
app.on('request', (req, res) => {
// 启用路由功能
router(req, res, () => {})
// 启用静态资源访问服务功能
serve(req, res, () => {})
});
// 端口监听
app.listen(80);
console.log('服务器启动成功');
views/index.art
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1, user-scalable=no">
<title>学生档案</title>
<link rel="stylesheet" href="./css/main.css">
</head>
<body>
<form action="/add" method="post">
<fieldset>
<legend>学生档案</legend>
<label>
姓名: <input class="normal" type="text" autofocus placeholder="请输入姓名" name="name">
</label>
<label>
年龄: <input class="normal" type="text" placeholder="请输入年龄" name="age">
</label>
<label>
性别:
<input type="radio" value="0" name="sex"> 男
<input type="radio" value="1" name="sex"> 女
</label>
<label>
邮箱地址: <input class="normal" type="text" placeholder="请输入邮箱地址" name="email">
</label>
<label>
爱好:
<input type="checkbox" value="敲代码" name="hobbies"> 敲代码
<input type="checkbox" value="打篮球" name="hobbies"> 打篮球
<input type="checkbox" value="睡觉" name="hobbies"> 睡觉
</label>
<label>
所属学院:
<select class="normal" name="collage">
<option value="前端与移动开发">前端与移动开发</option>
<option value="PHP">PHP</option>
<option value="JAVA">JAVA</option>
<option value="Android">Android</option>
<option value="IOS">IOS</option>
<option value="UI设计">UI设计</option>
<option value="C++">C++</option>
</select>
</label>
<label>
入学日期: <input type="date" class="normal" name="enterDate">
</label>
<label class="btn">
<input type="submit" value="提交" class="normal">
</label>
</fieldset>
</form>
</body>
</html>
views\list.art
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>学员信息</title>
<link rel="stylesheet" href="./css/list.css">
</head>
<body>
<table>
<caption>学员信息</caption>
<tr>
<th>姓名</th>
<th>年龄</th>
<th>性别</th>
<th>邮箱地址</th>
<th>爱好</th>
<th>所属学院</th>
<th>入学时间</th>
</tr>
{{each students}}
<tr>
<th>{{$value.name}}</th>
<th>{{$value.age}}</th>
<th>{{$value.sex == '0' ? '男' : '女'}}</th>
<th>{{$value.email}}</th>
<th>
{{each $value.hobbies}}
<span>{{$value}}</span>
{{/each}}
</th>
<th>{{$value.collage}}</th>
<th>{{dateformat($value.enterDate, 'yyyy-mm-dd')}}</th>
</tr>
{{/each}}
</table>
</body>
</html>
route\index.js
// 引入router模块
const getRouter = require('router');
// 获取路由对象
const router = getRouter();
// 学生信息集合
const Student = require('../model/user');
// 引入模板引擎
const template = require('art-template');
// 引入querystring模块
const querystring = require('querystring');
// 呈递学生档案信息页面
router.get('/add', (req, res) => {
let html = template('index.art', {});
res.end(html);
})
// 呈递学生档案信息列表页面
router.get('/list', async (req, res) =>{
// 查询学生信息
let students = await Student.find();
console.log(students);
let html = template('list.art', {
students: students
})
res.end(html)
})
// 实现学生信息添加功能路由
router.post('/add', (req, res) => {
// 接收post请求参数
let formData = '';
req.on('data', param => {
formData += param;
});
req.on('end', async () => {
await Student.create(querystring.parse(formData))
res.writeHead(301, {
Location: '/list'
});
res.end()
})
});
module.exports = router;
public\css\list.css
body {
padding: 0;
margin: 0;
}
table {
border-collapse: collapse;
}
table, td, th {
text-align: center;
line-height: 30px;
border: 1px solid #CCC;
}
caption {
font-weight: bold;
font-size: 24px;
margin-bottom: 10px;
}
table {
width: 960px;
margin: 50px auto;
}
a {
text-decoration: none;
color: #333;
}
a:hover {
text-decoration: underline;
color: #000;
}
public\css\main.css
body {
padding: 0;
margin: 0;
}
table {
border-collapse: collapse;
}
table, td, th {
text-align: center;
line-height: 30px;
border: 1px solid #CCC;
}
caption {
font-weight: bold;
font-size: 24px;
margin-bottom: 10px;
}
table {
width: 960px;
margin: 50px auto;
}
a {
text-decoration: none;
color: #333;
}
a:hover {
text-decoration: underline;
color: #000;
}
model\connect.js
const mongoose = require('mongoose');
// 连接数据库
mongoose.connect('mongodb://localhost/playground', { useNewUrlParser: true })
.then(() => console.log('数据库连接成功'))
.catch(() => console.log('数据库连接失败')
model\user.js
const mongoose = require('mongoose');
// 创建学生集合规则
const studentsSchema = new mongoose.Schema({
name: {
type: String,
required: true,
minlength: 2,
maxlength: 10
},
age: {
type: Number,
min: 10,
max: 25
},
sex: {
type: String
},
email: String,
hobbies: [ String ],
collage: String,
enterDate: {
type: Date,
default: Date.now
}
});
// 创建学生信息集合
const Student = mongoose.model('Student', studentsSchema);
// 将学生信息集合进行导出
module.exports = Student;
本文系转载,前往查看
如有侵权,请联系 cloudcommunity@tencent.com 删除。
本文系转载,前往查看
如有侵权,请联系 cloudcommunity@tencent.com 删除。