我有下一部分代码:In[8]:st=u"опа"In[11]:st.encode("ascii","xmlcharrefreplace")Out[11]:'опа'In[14]:st1=st.encode("ascii","xmlcharrefreplace")In[15]:st1.decode("ascii","xmlcharrefreplace")Out[15]:u'опа'In[16]:st1.decode("utf-8","xmlcharrefreplace")Out[16]:u'оп