嘗試用python爬證交所做出市面上的付費選股軟體

玩股網投資網站看到人家的

選股程式'均線大挪移'

心血來潮就試做了一下

程式精隨就是把複雜的東西簡單化程序化

考慮到以上邏輯必須要取得

5日均價 10日均價 20日均價

5日前5日均價 5日前10日均價 5日前20日均價

得知最基本要先寫個能取得以上6個資訊的函式出來

經過鉅亨網比對後發現我計算的均價跟他的相比之下

小數點後有些許差異,詳細原因調查中

但差異很小所以還是勉強可接受的

實際試run

可以正常執行但判斷兩支之後就出現以下問題

Traceback (most recent call last):

File "C:\Users\skywalker0803r\Desktop\選股程式\均線大挪移.py", line 8, in <module>

n5=stf.getmeanprice(sid,'nowday5')

File "C:\Users\skywalker0803r\Desktop\選股程式\stockfunction.py", line 41, in getmeanprice

alldaymean=getstockmean('20181101',stockNo)+getstockmean('20181208',stockNo)

File "C:\Users\skywalker0803r\Desktop\選股程式\stockfunction.py", line 29, in getstockmean

datas=getstockdata(date,stockNo)

File "C:\Users\skywalker0803r\Desktop\選股程式\stockfunction.py", line 23, in getstockdata

s = json.loads(res.text)

File "C:\Users\skywalker0803r\AppData\Local\Programs\Python\Python37-32\lib\json\__init__.py", line 348, in loads

return _default_decoder.decode(s)

File "C:\Users\skywalker0803r\AppData\Local\Programs\Python\Python37-32\lib\json\decoder.py", line 337, in decode

obj, end = self.raw_decode(s, idx=_w(s, 0).end())

File "C:\Users\skywalker0803r\AppData\Local\Programs\Python\Python37-32\lib\json\decoder.py", line 355, in raw_decode

raise JSONDecodeError("Expecting value", s, err.value) from None

json.decoder.JSONDecodeError: Expecting value: line 1 column 1 (char 0)

[Finished in 51.2s with exit code 1]

再次重啟發現被該死的證交所防爬系統擋了

小屋創作