测试代码粘贴

1. # coding:gbk
   
2. def init(C):
   
3.         pass
   
4.        
   
5. def handlebar(C):
   
6.         symbol1 = C.get_main_contract('IF00.IF')# 获取当前主力合约
   
7. 
   
8.         symbol2 = C.get_main_contract('IF00.IF',"20190101")# 获取指定日期主力合约
   
9. 
   
10.         symbol3 = C.get_main_contract('IF00.IF',"20181101","20190101") # 获取时间段内全部主力合约
    
11. 
    
12.         print(symbol1, symbol2)
    
13.         print("="*10)
    
14.         print(symbol3)
    

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