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today = time.strftime('%Y-%m-%d %H:%M:%S')
his_price=history_n(symbol='SHSE.512480',frequency='1d',count=30,end_time=today,df=True,adjust=ADJUST_PREV,fields='symbol,close')
print(his_price)
结果如下：
symbol close
0 SHSE.512480 2.091
1 SHSE.512480 2.083
2 SHSE.512480 2.040
3 SHSE.512480 2.025
4 SHSE.512480 2.054
5 SHSE.512480 2.028
6 SHSE.512480 1.978
7 SHSE.512480 2.056
8 SHSE.512480 2.069
9 SHSE.512480 2.065
10 SHSE.512480 2.011
11 SHSE.512480 2.000
12 SHSE.512480 1.907
13 SHSE.512480 1.801
14 SHSE.512480 1.795
15 SHSE.512480 1.856
16 SHSE.512480 1.811
17 SHSE.512480 1.735
18 SHSE.512480 1.734
19 SHSE.512480 1.769
20 SHSE.512480 1.761
21 SHSE.512480 1.758
22 SHSE.512480 1.763
23 SHSE.512480 1.761
24 SHSE.512480 1.724
25 SHSE.512480 1.734
26 SHSE.512480 0.886
27 SHSE.512480 0.887
28 SHSE.512480 0.893
29 SHSE.512480 0.926
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