在最近这几天，由于我下一步主要工作负责SDUVJ前端的开发以及前段和前端与后台之间的通信，所以在通读对Django框架有了足够的了解之后，主要集中在进一步阅读SDUOJ的源码，希望能够从中借鉴OlineJudge的相关开发经验。
Contest前端####
{% extends "base.html" %}
{% block title %}{{ contest.name }}{% endblock %}
{% block navbar %}{% include "include/navbar-contest.html" %}{% endblock %}
{% block header %}
<h1 class="text-center text-info">{{ contest.name }}</h1>
<ul class="text-center" style="list-style:none;">
<li>Start Time: {{ contest.start_time }} Duration Time: {{ contest.duration_time }}</li>
<li id="current">Current Time: 1970-01-01 00:00:00</li>
</ul>
<div id="current2" style="width: 0%; text-align: right; float; left;"><span></span></div>
<div class="progress">
<div class="progress-bar progress-bar-success " role="progressbar" aria-valuenow="30" aria-valuemin="0" aria-valuemax="100" id ="progress" style="width:0%">
</div>
</div>
<script type="text/javascript">
function getServerTime(){
// return new Date()
return new Date($.ajax({async: false}).getResponseHeader("Date"));
// var xmlHttp = false;
// try {
// xmlHttp = new ActiveXObject("Msxml2.XMLHTTP");
// } catch (e) {
// try {
// xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
// } catch (e2) {
// xmlHttp = false;
// }
// }
// if (!xmlHttp && typeof XMLHttpRequest != 'undefined') {
// xmlHttp = new XMLHttpRequest();
// }
// xmlHttp.open("GET", window.location.href.toString(), false);
// xmlHttp.setRequestHeader("Range", "bytes=-1");
// xmlHttp.send(null);
// var severtime=new Date(xmlHttp.getResponseHeader("Date"));
// return severtime
}
var start;
var duration;
var current;
var servertime;
$(document).ready(function () {
$.ajax({
type: "post",
url: "/contest/" + {{ contest.id }} + "/time/",
dataType: "json",
success: function(data){
start=new Date(data.start);
duration=data.duration;
syncServerTime();
setInterval(function(){syncServerTime();},1000*60);
setInterval(function(){refreshtime(start);},1000);
}
});
});
function str_pad_left(string,pad,length) {
return (new Array(length+1).join(pad)+string).slice(-length);
}
function secondsToTime(secs)
{
var hours = Math.floor(secs / (60 * 60));
var divisor_for_minutes = secs % (60 * 60);
var minutes = Math.floor(divisor_for_minutes / 60);
var divisor_for_seconds = divisor_for_minutes % 60;
var seconds = Math.ceil(divisor_for_seconds);
return hours + ":" + str_pad_left(minutes,'0',2)+':'+str_pad_left(seconds,'0',2);;
}
function syncServerTime(){
servertime=getServerTime();
current=servertime;
}
function refreshtime(start){
var tmpTime = current.getTime();
current.setTime(tmpTime+1000);
var elapsed;
elapsed=(current-start.getTime())/1000;
var cutdown;
cutdown=duration-elapsed;
var elapsedrate;
elapsedrate2=(elapsed/duration+0.01)*100+"%"
elapsedrate=(elapsed/duration)*100+"%";
var cutdowntime= secondsToTime(cutdown);
$("#current").html("Current Time: "+current);
if(elapsed>duration){
$("#current2").html("<span></span>");
$("#current2").css("width", "101%");
$("#progress").css("width", "100%");
} else if(elapsed<0){
$("#current2").html("<span>-"+(secondsToTime(-elapsed))+"</span>");
$("#current2").css("width", "1%");
$("#progress").css("width", "0%");
} else {
$("#current2").html("<span>"+cutdowntime+"</span>");
$("#current2").css("width", elapsedrate2);
$("#progress").css("width", elapsedrate);
}
if(elapsed==0){
parent.location.reload();
}
}
</script>
{% endblock %}
{% block content %}
<div class="tabbable" id="contest_content">
<ul class="nav nav-tabs">
<li class="active">
<a data-toggle="tab" href="#panel-overview" id="overview">Overview</a>
</li>
<li id="Contest_Problem">
<a data-toggle="tab" href="#panel-problem" id="problem_detail">Problem</a>
</li>
<li>
<a data-toggle="tab" href="#panel-status" id="get_status">Status</a>
</li>
<li>
<a data-toggle="tab" href="#panel-submit">Submit</a>
</li>
<li>
<a data-toggle="tab" href="#panel-rank" id="get_rank">Rank</a>
</li>
<li>
<a data-toggle="tab" href="#panel-clar" id="get_rank">Clarification</a>
</li>
</ul>
<div class="tab-content">
<div class="tab-pane active" id="panel-overview">
{% include "contest/contest_overview.html" %}
</div>
<div class="tab-pane" id="panel-problem">
{% include "contest/contest_problem.html" %}
</div>
<div class="tab-pane" id="panel-status">
{% include "contest/contest_status.html" %}
</div>
<div class="tab-pane" id="panel-submit">
{% include "contest/contest_submit.html" %}
</div>
<div class="tab-pane" id="panel-rank">
{% include "contest/contest_rank.html" %}
</div>
<div class="tab-clar" id="panel-clar">
{% include "contest/contest_clar.html" %}
</div>
</div>
</div>
<script type="text/javascript">
var start;
var duration;
$(document).ready(function () {
$.ajax({
type: "post",
url: "/contest/" + {{ contest.id }} + "/time/",
dataType: "json",
success: function(data){
start=new Date(data.start);
duration=data.duration;
// setInterval(function(){refreshtime(start);},1000);
}
});
$('#get_status').click(function () {
// alert("Hello!");
contest_id = {{contest.id}};
$.ajax({
type: 'post',
url: "/contest/" + contest_id + "/status/",
success: function (responseData) {
$('#panel-status').html(responseData);
//MathJax.Hub.Queue(["Typeset", MathJax.Hub]);
}
})
})
$('#get_rank').click(function(){
refreshRankList();
})
$('#submit_button').click(function(){
var current=getServerTime();
var elapsed;
elapsed=(current-start.getTime())/1000;
if(elapsed>duration){
alert("Contest is Over!");
return false;
}else{
$('#submit_form').ajaxForm(
$.ajax({
type: 'post',
url: "/contest/" + {{ contest.id }} + "/status/",
success: function (responseData) {
$('#panel-status').html(responseData);
$('#overview').tab('show');
}
})
)
}
})
$('#overview').tab('show');
})
</script>
{% endblock %}
Contest问题显示####
<script type="text/x-mathjax-config">
MathJax.Hub.Config({
jax: ["input/TeX", "output/HTML-CSS"],
tex2jax: {
inlineMath: [ ['$','$'], ["\\(","\\)"] ],
displayMath: [ ['$$','$$'], ["\\[","\\]"] ],
processEscapes: true,
skipTags: ['script', 'noscript', 'style', 'textarea', 'code']
},
messageStyle: "none",
"HTML-CSS": { preferredFont: "TeX", availableFonts: ["STIX","TeX"] }
});
</script>
<style type="text/css">
pre{
word-break: keep-all;
word-wrap: break-word;
white-space: pre-wrap;
}
</style>
<script type="text/javascript" src="http://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS-MML_HTMLorMML"></script>
<div class="text-center">
<h1 class="text-success">{{ problem.title }}</h1>
<ul class="list-inline">
<li>Time Limit: {{ problem.limit_time }}s</li>
<li>Memory Limit: {{ problem.limit_memory|filesizeformat }}</li>
</ul>
</div>
<h3 class="text-info" >Description</h3>
{% autoescape off %}
<pre>{{ problem.content }}</pre>
<h3 class="text-info" >Input</h3>
<pre>{{ problem.input }}</pre>
<h3 class="text-info" >Output</h3>
<pre>{{ problem.output }}</pre>
{% endautoescape %}
{% if problem.samples %}
{% for s in problem.samples %}
<h3 class="text-info" >Sample Input {{ forloop.counter }}</h3>
<pre>{{ s.input }}</pre>
<h3 class="text-info" >Sample Output {{ forloop.counter }}</h3>
<pre>{{ s.output }}</pre>
{% endfor %}
{% endif %}
{% autoescape off %}
<h3 class="text-info" >Note</h3>
<pre>{{ problem.note }}</pre>
<h3 class="text-info" >Source</h3>
<pre>{{ problem.source }}</pre>
{% endautoescape %}
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