loc匹配时,index不一定是0,这时候用iloc[0,0]刚好可以匹配上。bond_list=[[c.split(",")[0],self.df_mapping[self.df_mapping['bond_name']==c.split(",")[0]].iloc[0,0]], [c.split(",")[1],self.df_mapping[self.df_mapping['bond_name']==c.split(",")[1]].iloc[0,0]]]
http://t.csdn.cn/dIOHKhttp://t.csdn.cn/Xzwbw