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im.html
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<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<link href="https://fonts.googleapis.com/icon?family=Material+Icons" rel="stylesheet">
<link href="/lib/css/normalize.min.css" rel="stylesheet">
<link href="/lib/css/common.css" rel="stylesheet">
<style for="im">
.offline{
text-align: center;
height: 32rem;
line-height: 32rem;
display: none;
}
.offline a,.online a{
padding: .3rem .5rem;
background-color: #0D47A1;
border-radius: .3rem;
text-decoration: none;
color: #fff;
}
.offline a:hover,.online a:hover{
background-color: #1976D2;
}
.online{
text-align: center;
height: 3rem;
line-height: 3rem;
display: none;
border-bottom: 1px solid #ddd;
}
.main{
display: none;
height: 32rem;
margin: 1rem;
}
.main .online-list{
width: 14rem;
float: left;
height: 30rem;
border: 1px solid #ddd;
}
.main .chat-panel{
margin-left: 1rem;
width: calc(100% - 16rem - 2px);
float: left;
}
.main .chat-panel .chat-board{
height: 29rem;
padding: .5rem;
width: 100%;
border: 1px solid #ddd;
overflow: auto;
}
.main .chat-panel .chat-op{
margin-top: .5rem;
}
.main .chat-panel .chat-op #text{
width: calc(100% - 10rem);
}
.main .chat-panel .chat-op #send{
width: 5rem;
}
</style>
</head>
<body>
<div class="container">
<header role="banner">
<div class="back-top">
<i class="material-icons">keyboard_arrow_up</i>
</div>
</header>
<nav role="menu">
<ul>
<li>
<a href="/">IO</a>
</li>
<li>
<a href="/im.html">IM</a>
</li>
<li>
<a href="/draw.html">Draw</a>
</li>
</ul>
</nav>
<div class="blank"></div>
<div>
<div class="offline">
Please
<a href="javascript:;" data-type="login">登录</a>
or
<a href="javascript:;" data-type="register">注册</a>
</div>
<div class="online">
Hello, <label></label>
<a href="javascript:;" data-type="logout">Sign out</a>
</div>
<div class="main">
<div class="online-list">
<ul></ul>
<script type="text/html" id="onlineListTpl">
{@each list as row}
<li>
<a href="javascript:;" class="user u_${row}">${row}</a>
</li>
{@/each}
</script>
</div>
<div class="chat-panel">
<div class="chat-board"></div>
<div class="chat-op">
<input id="text">
<input type="button" value="send" id="send">
</div>
</div>
</div>
</div>
<footer>
<div class="copy left"><a href="http://guoshikai.com">guoshikai.com</a> © 2016</div>
<div class="right">
<a href="https://github.com/shikaiguo">Github</a>
</div>
</footer>
</div>
<script src="/lib/js/jquery-3.1.1.min.js"></script>
<script src="/lib/layer/layer.js"></script>
<script src="/lib/juicer/juicer-min.js"></script>
<script src="https://cdn.bootcss.com/crypto-js/3.1.9/crypto-js.min.js"></script>
<script>
var apiHost = "//api.guoshikai.com/";
$(function(){
$(document).scroll(scrollListener);
scrollListener();
webSocketInit();
$(".back-top").click(function(){
$("body").animate({ scrollTop: 0 }, 200);
});
// 注册或登录
$(document).on("click", ".offline a,.online a", accountHandlers);
$(document).on("click", ".online a", function(){
var type = $(this).attr("data-type");
switch(type){
case "logout":
sessionStorage.removeItem('sign');
sign = null;
$(".online,.main").hide();
$(".offline").fadeIn();
if(null !== ws) {
ws.close();
}
return;
}
});
$(document).on("click", "#send", sendMsg);
$(document).on("keyup", "#text", function(e){
if(13 === e.which){
sendMsg();
}
});
$(document).on("click", ".chat-panel .chat-board .send-user", function(){
var user = $(this).text();
$("#text").val("\\r " + user + " " + $("#text").val());
$("#text").focus();
});
});
</script>
<script>
var key = null;
function getKey(){
if (null === key){
$.ajax({
url: 'https://file.guoshikai.com/key',
async: false,
success: function(r){
key = r;
}
});
}
return key;
}
function sendMsg(){
var text = $("#text");
if("" === $.trim(text.val())){
return false;
}
var msg = CryptoJS.AES.encrypt(text.val(), getKey()).toString();
sendFrame({
type: "message",
sign: sessionStorage.getItem('sign'),
msg: msg
});
text.val("").focus();
}
function accountHandlers()
{
if(null === ws || 1 !== ws.readyState){
// layer.msg("WebSocket 未连接，请稍后重试。");
webSocketInit();
}
var type = $(this).attr("data-type");
switch (type) {
case "register":
case "login":
layer.prompt({
title: 'Enter your username:',
formType: 0,
maxlength: 16,
id: 'username'
}, function (username, index) {
layer.close(index);
layer.prompt({
title: 'Enter your password:',
formType: 1,
id: 'password'
}, function (password, index) {
if(password.length < 1){
layer.msg("密码至少1位");
return false;
}
sendFrame({
type: type,
username: username,
password: password
});
layer.close(index);
});
});
return;
case "logout":
return;
}
}
function appendMessage(msg){
$(".chat-board").append(msg + "<br>");
$(".chat-board").scrollTop($(".chat-board")[0].scrollHeight);
}
</script>
<script>
var navHeight = false;
var navStatus = false;
function scrollListener(){
var documentScrollTop = $(document).scrollTop();
/* nav */
navHeight = navHeight || $("nav").offset().top + 1;
var f = documentScrollTop > navHeight;
if(f !== navStatus){
navStatus = f;
$("nav,.blank").toggleClass("nav-pin");
$(".back-top").fadeToggle(200);
}
}
var ws = null;
var url = "ws://api.guoshikai.com:64377";
var heartBeat = null;
function webSocketInit(){
try {
ws = new WebSocket(url);
ws.onopen = function (f){
// 检查是否有sign 有则先校验一次
var sign = sessionStorage.getItem('sign');
if(null !== sign) {
sendFrame({
type: "check",
sign: sign
});
}else{
$(".offline").fadeIn();
}
heartBeat = setInterval(function(){
ws.send("heartBeat");
}, 10000);
};
ws.onmessage = function (f) {
var data = $.parseJSON(f.data);
switch(data.type){
case "check":
return check(data);
case "register":
case "login":
return validate(data);
case "message":
return onMessage(data);
case "close":
return ws.close();
case "system":
return onSystem(data);
case "online":
return onOnline(data);
default:
return;
}
};
ws.onclose = function (msg) {
appendMessage("connection closed.");
clearInterval(heartBeat);
};
// 超时 5s内没连接成功就断开
setTimeout(function(){
if(1 !== ws.readyState){
ws.close();
var confirm = layer.confirm('WebSocket连接超时，是否重连？', {
btn: ['是','否']
}, function(){
layer.close(confirm);
webSocketInit();
});
}
}, 5000);
}
catch (ex) {
console.log(ex);
}
}
function onMessage(data){
var msg = CryptoJS.AES.decrypt(data.msg, getKey()).toString(CryptoJS.enc.Utf8);
msg = data.username + ":" + msg;
var record = sessionStorage.getItem('msg_record')||"";
record += msg + "<br>";
sessionStorage.setItem('msg_record', record);
appendMessage(msg);
}
function onSystem(data){
switch(data.state){
case "join":
var d = {list:[data.username]};
var tpl = $("#onlineListTpl").text();
var html = juicer(tpl, d);
$(".online-list>ul").append(html);
var record = sessionStorage.getItem('msg_record')||"";
var msg = data.username + " is joined.";
record += msg + "<br>";
sessionStorage.setItem('msg_record', record);
return appendMessage(msg);
case "leave":
$(".online-list>ul .u_" + data.username).parent().remove();
var record = sessionStorage.getItem('msg_record')||"";
var msg = data.username + " is leave.";
record += msg + "<br>";
sessionStorage.setItem('msg_record', record);
return appendMessage(msg);
default:
return appendMessage(data.msg);
}
}
function onOnline(data){
var tpl = $("#onlineListTpl").text();
var html = juicer(tpl, data);
$(".online-list>ul").html(html);
}
function check(data){
if(0 !== data.code){
$(".online,.main").hide();
$(".offline").fadeIn();
sessionStorage.removeItem("sign");
return layer.msg(data.msg);
}
sendFrame({
type: "online",
sign: data.sign
});
var record = sessionStorage.getItem("msg_record");
$('.chat-board').html(record);
$(".chat-board").scrollTop($(".chat-board")[0].scrollHeight);
sessionStorage.setItem("sign", data.sign);
$(".online>label").html(data.user);
$(".offline").hide();
$(".online,.main").fadeIn();
}
function validate(data){
if(0 !== data.code){
return layer.msg(data.msg);
}
sendFrame({
type: "check",
sign: data.sign
});
}
// 统一发送方法
function sendFrame(f){
try {
ws.send(JSON.stringify(f));
}catch (ex) {
console.log(ex);
}
}
</script>
</body>
</html>