/**
 * 加载大北农股票信息
 */
function loadstockinfo(){
	$.ajax({
		datatype:'script',
		url:'http://hq.sinajs.cn/list=sz002385',
		cache:true,
		success:function() {
			setmsg(hq_str_sz002385);
		},
		error : function(req, e, fi) {
			alert(e);
		}
	});
}

/**
 * 分析获取股票信息
 * @param _data
 * @returns
 */
function setmsg(_data) {
	var sinastr = _data.split(",");
	if (null == sinastr || sinastr.length <= 0) {
		return null;
	}
	var shares = 16.06;//股本数,亿元 
	var tradableshares = 9.17;//流通股,亿
	var sharesnum = 10000 * 100;

	var dbns = {
		todayprice : sinastr[3],//今日现价
		todayincrease : 0,//今日涨幅
		todayincreasechange : 0,//今日涨幅指数
		todayopenprice : sinastr[1],//今日开盘价
		todaypeakprice : sinastr[4],//今日最高价
		todayfloorprice : sinastr[5],//今日最低价
		yesterdaycloseprice : sinastr[2],//昨日收盘价
		volume : sinastr[8],//成交量
		sumprice : 0,//总价
		turnover : 0,//换手率
		date : sinastr[30] + " " + sinastr[31]
	};
	
	var html = "大北农(sz.002385)";
	html += '当前价：<span class="red">' + dbns.todayprice + '</span>';
	
	dbns.todayincrease = round(dbns.todayprice - dbns.yesterdaycloseprice, 2);
	dbns.todayincreasechange = round((dbns.todayincrease / dbns.yesterdaycloseprice) * 100, 2);
	if(dbns.todayincrease > 0){
		html += '涨跌：<span class="red">' + dbns.todayincrease + "  " + dbns.todayincreasechange + '%</span>';
	}else{
		html += '涨跌：<span class="green">' + dbns.todayincrease + "  " + dbns.todayincreasechange + '%</span>';
	}
	
	html += '昨收：<span class="red">' + dbns.yesterdaycloseprice + '</span>';
	html += '今开：<span class="green">' + dbns.todayopenprice + '</span>';
	html += '最高：<span class="red">' + dbns.todaypeakprice + '</span>';
	html += '最低：<span class="green">' + dbns.todayfloorprice + '</span>';
	
	var itemnum = round(dbns.volume / sharesnum, 2);
	html += '市值：' + round(dbns.todayprice * shares, 2) + '亿元/';
	html += '成交：' + itemnum + '万手/';
	
	dbns.turnover = round(itemnum / tradableshares, 2);
	html += '换手率：' + dbns.turnover + '%';
	html += dbns.date;
	var atag = '<a href="http://stockdata.stock.hexun.com/002385.shtml" target="_blank">';
	html = atag + html + '</a>';
	$('#stockinfo').html(html);
}

/**
 * 去除左右空格
 */
string.prototype.trim = function() {
	return this.replace(/(^\s*)|(\s*$)/g, "");
};

/**
 * 四舍五入</br>
 * 默认保存二位小数
 * @param _num  
 * @param _digit 保存小数位数
 * @returns {number}
 */
function round(_num, _digit) {
	if (null == _num) {
		return 0;
	}
	if (_digit == null || _digit <= 0) {
		_digit = 2;
	}
	var itemnum = math.pow(10, _digit);
	return math.round(_num * itemnum) / itemnum;
}