/www/wwwroot/cloud.lincq.cn/JavaScript/代码片段/jw.fjsy.edu.cn.jsvar k1 = 31031230; // 1，2节课程代码
var k2 = 31031234; // 3，4节课程代码
count = 0;
current = document.querySelector('a[href$=N121203]').href;
// current = 'http://jw.fjys.edu.cn/xf_xsqxxxk.aspx?xh=1941310116&xm=%D7%DE%D2%E6%C1%FA&gnmkdm=N121203';
console.clear();
reload();
function reload() {
	count++;
	console.log('刷新次数：' + count + '次');
	console.log('执行中...');
	fr4me = '<frameset cols="*"><frame id="content" allowtransparency="true" width="100%" height="100%" src="'+current+'"/>';
	fr4me += '</frameset>';
	with(document) {
		write(fr4me);
		void(close());
	}
	setTimeout(function() {
		if (document.querySelector('#content').contentDocument.documentElement.innerHTML.indexOf('HTTP Error') != -1 || document.querySelector('#content').contentDocument.documentElement.innerHTML == '' || /Object moved to/.test(document.querySelector('#content').contentDocument.documentElement.innerHTML)) {
			reload();
		}else{
			console.log('等待...');
			setTimeout(function() {
				if (document.querySelector('#content').contentDocument.documentElement.innerHTML.match(/Button1/img) == null) {
					reload();
				}else{
					submit();
					console.log('自动抢课成功！');
				}
			}, 1000 * 30);
		}
	},1000 * 3);
}
function submit() {
	var k1ks = '第1,2节';
	var k2ks = '第3,4节';
	var tr = document.querySelector('#content').contentDocument.querySelectorAll('tr');
	for(var i = 0; i < tr.length; i++) {
		var trHtml = tr[i].innerHTML;
		if((new RegExp(k1 + '.*' + k1ks).test(trHtml)) || (new RegExp(k2 + '.*' + k2ks).test(trHtml))) {
			document.querySelector('#content').contentDocument.querySelector('#' + trHtml.match(/id="(.+)" type="checkbox"/im)[1]).click();
		}
	}
	document.querySelector('#content').contentDocument.querySelector('#Button1').click();
}