實時股票資料介面 (高質量，免費)
1. 股票歷史資料、行情資料、券商交易介面
2.免費的個人版
3.支援多種語言：Matlab、R語言、Python、Excel/VBA、C++、C#
6.模擬交易櫃檯
1. 獲取所有A股的成分只需要一句話就搞定：
Data=w.wset('SectorConstituent','date=20141205;sector=全部A股');
'2014-12-5' '000001.SZ' '平安銀行'
'2014-12-5' '000002.SZ' '萬科A'
'2014-12-5' '000004.SZ' '國農科技'
'2014-12-5' '000005.SZ' '世紀星源'
'2014-12-5' '000006.SZ' '深振業A'
'2014-12-5' '000007.SZ' '零七股份'
'2014-12-5' '000008.SZ' '寶利來'
'2014-12-5' '000009.SZ' '中國寶安'
'2014-12-5' '000010.SZ' '深華新'
'2014-12-5' '000011.SZ' '深物業A'
'2014-12-5' '000012.SZ' '南玻A'
'2014-12-5' '000014.SZ' '沙河股份'
'2014-12-5' '000016.SZ' '深康佳A'
'2014-12-5' '000017.SZ' '深中華A'
'2014-12-5' '000018.SZ' '中冠A'
'2014-12-5' '000019.SZ' '深深寶A'
'2014-12-5' '000020.SZ' '深華髮A'
'2014-12-5' '000021.SZ' '長城開發'
'2014-12-5' '000022.SZ' '深赤灣A'
'2014-12-5' '000023.SZ' '深天地A'
'2014-12-5' '000024.SZ' '招商地產'
..... .... ... .... ... ... .....
2. 獲取 '000001.SZ' '平安銀行' 的歷史資料(最高價、最低價、收盤價)：
w_wsd_data=w.wsd('000001.SZ','high,low,close','2014-11-05','2014-12-05','Fill=Previous')
w_wsd_data =
10.9500 10.6600 10.8200
10.9000 10.7400 10.8400
11.3800 10.7700 10.9100
11.2500 10.8600 11.1400
11.6400 11.0700 11.2700
11.2100 10.9900 11.2000
11.3600 11.0300 11.0500
11.0100 10.8000 10.9300
10.9900 10.7100 10.7600
10.8100 10.5600 10.6100
10.6600 10.5400 10.6300
10.6900 10.5000 10.6300
10.8600 10.5000 10.8000
10.9500 10.5200 10.7800
11.0200 10.6900 10.9800
11.3700 10.9200 11.2100
11.5100 11.1200 11.3100
12.4400 11.1800 12.4400
13.0400 12.1500 12.1900
13.4000 12.0800 13.1200
13.8900 12.7100 13.1000
13.9700 12.9000 13.9600
13.9700 12.9000 13.9600
3. 獲取分鐘即股票資料：
Data = w.wsi('000001.SZ','open','2014-12-05 10:00:00','2014-12-05 10:40:38');
4. 獲取實時股票行情資料：
Data=w.wsq('000001.SZ','rt_last')；