源码地址
https://github.com/king-y/NodeJs/tree/master/user
目录结构
mysql.js
var mysql = require('mysql');
var pool = mysql.createPool({
host : '127.0.0.1',
user : 'root',
password : '',
database : 's79'
});
exports.query = function(sql,data){
pool.getConnection(function(err,connection){
connection.query(sql,function(err,result){
data(err,result);
connection.release();
});
});
}
app.js
var express = require('express');
var bodyParser = require('body-parser');
var fs = require('fs');
var sql = require('./conf/mysql.js');
var app = express();
app.set('view engine','ejs');
app.set('views','./views/');
app.use(bodyParser.urlencoded({ extended: false }));
// display user
app.get('/',function(req,res){
sql.query('select * from user',function(err,result){
if (err) {
res.render('index',{title:"用户列表",datas:[]});
}else{
res.render('index',{title:"用户列表",datas:result});
}
});
});
// add user
app.get('/add',function(req,res){
res.render('add');
});
app.post('/add',function(req,res){
var name = req.body.name;
var age = req.body.age;
sql.query('insert into user(name,age) values("'+name+'","'+ age +'")',function(err,result){
if(err){
res.send('新增失败'+err);
}else {
res.redirect('/');
}
});
});
// edit user
app.get('/edit/:id',function(req,res){
var id = req.params.id;
sql.query('select * from user where id = ' + id,function(err,result){
res.render('edit',{datas:result});
});
});
app.post('/edit',function(req,res){
var id = req.body.id;
var name = req.body.name;
var age = req.body.age;
sql.query('update user set name = "'+name+'" , age = "'+age+'" where id = '+id,function(err,result){
if (err) {
res.send('更新失败'+err);
}else{
res.redirect('/');
}
})
});
// del user
app.get('/del/:id',function(req,res){
var id = req.params.id;
sql.query('delete from user where id = '+id,function(err,result){
if(err){
res.send('删除失败'+err);
}else {
res.redirect('/');
}
});
});
app.listen(3000);
index.ejs
<!DOCTYPE html>
<html lang="en"> <head>
<meta charset="UTF-8">
<title>
<%= title %>
</title>
<style>
table.TB_COLLAPSE {
width: 100%;
border-collapse: collapse;
} table.TB_COLLAPSE caption {
padding: 10px;
font-size: 24px;
background-color: #f3f6f9;
} table.TB_COLLAPSE thead th {
padding: 5px 0px;
color: #fff;
background-color: #915957;
} table.TB_COLLAPSE tbody td {
padding: 5px 0px;
color: #555;
text-align: center;
background-color: #fff;
border-bottom: 1px solid #915957;
} table.TB_COLLAPSE tfoot td {
padding: 5px 0px;
text-align: center;
background-color: #d6d6a5;
}
a {
color: #555;
text-decoration: none;
}
a:hover{
color:#cae;
}
</style>
</head> <body>
<table class="TB_COLLAPSE">
<tr>
<th>编号</th>
<th>姓名</th>
<th>年龄</th>
<th>操作</th>
</tr>
<% for(var i = 0; i < datas.length; i++) {%>
<tr>
<td>
<%= datas[i].id %>
</td>
<td>
<%= datas[i].name %>
</td>
<td>
<%= datas[i].age %>
</td>
<td><a href="/add">添加用户</a>|<a href="/del/<%= datas[i].id %>">删除</a>|<a href="/edit/<%= datas[i].id %>">编辑</a></td>
</tr>
<% } %>
</table>
</body> </html>
add.ejs
<!DOCTYPE html>
<html lang="en"> <head>
<meta charset="UTF-8">
<title>添加用户</title>
<style>
.myButton {
-moz-box-shadow: 0px 0px 0px 0px #a4e271;
-webkit-box-shadow: 0px 0px 0px 0px #a4e271;
box-shadow: 0px 0px 0px 0px #a4e271;
background-color:#89c403;
-moz-border-radius:28px;
-webkit-border-radius:28px;
border-radius:28px;
border:1px solid #74b807;
display:inline-block;
cursor:pointer;
color:#ffffff;
font-family:Arial;
font-size:17px;
padding: 3px 71px;
margin-top: 10px;
text-decoration:none;
text-shadow:0px 1px 0px #528009;
}
.myButton:hover {
background-color:#77a809;
}
.myButton:active {
position:relative;
top:1px;
}
input{
border: 1px solid #cae;
color:#cea;
}
hr{
border:1px solid #cea;
}
</style>
</head> <body>
<form class="form-horizontal" action="/add" method="post">
<fieldset>
<div id="legend" class="">
<legend class="leipiplugins-orgvalue">添加用户</legend>
<hr>
</div>
<div class="control-group">
<!-- Text -->
<div class="controls">
<input name="name" type="text" placeholder="请输入您的姓名" title="姓名" value="" class="leipiplugins" leipiplugins="text">
</div>
</div>
<br>
<div class="control-group">
<!-- Text -->
<div class="controls">
<input name="age" type="text" placeholder="请输入您的年龄" title="年龄" value="" class="leipiplugins" leipiplugins="text">
</div>
</div>
<input class="myButton" type="submit" value="提交">
</fieldset>
</form>
</body> </html>
edit.ejs
<!DOCTYPE html>
<html lang="en"> <head>
<meta charset="UTF-8">
<title>编辑用户</title>
<style>
.myButton {
-moz-box-shadow: 0px 0px 0px 0px #a4e271;
-webkit-box-shadow: 0px 0px 0px 0px #a4e271;
box-shadow: 0px 0px 0px 0px #a4e271;
background-color:#89c403;
-moz-border-radius:28px;
-webkit-border-radius:28px;
border-radius:28px;
border:1px solid #74b807;
display:inline-block;
cursor:pointer;
color:#ffffff;
font-family:Arial;
font-size:17px;
padding: 3px 71px;
margin-top: 10px;
text-decoration:none;
text-shadow:0px 1px 0px #528009;
}
.myButton:hover {
background-color:#77a809;
}
.myButton:active {
position:relative;
top:1px;
}
input{
border: 1px solid #cae;
color:#cea;
}
hr{
border:1px solid #cea;
}
</style>
</head> <body>
<form class="form-horizontal" action="/edit" method="post">
<fieldset>
<div id="legend" class="">
<legend class="leipiplugins-orgvalue">编辑用户</legend>
<hr>
</div>
<div class="control-group">
<!-- Text -->
<div class="controls">
<input type="hidden" name="id" value="<%= datas[0].id %>">
<input name="name" type="text" value=" <%= datas[0].name %> " class="leipiplugins" leipiplugins="text">
</div>
</div>
<br>
<div class="control-group">
<!-- Text -->
<div class="controls">
<input name="age" type="text" value=" <%= datas[0].age %> " class="leipiplugins" leipiplugins="text">
</div>
</div>
<input class="myButton" type="submit" value="提交">
</fieldset>
</form>
</body> </html>
推荐两个工具网站,在线生成表单和按钮.
表单:http://formbuild.leipi.org/?
按钮:https://www.bestcssbuttongenerator.com/#/0
http://www.shejidaren.com/css-button-generator-and-beautifucl-style-sheet.html