解决python中 f.write写入中文出错的问题

#coding:utf-8s = u'中文'f = open("test.txt","w")f.write(s)f.close()

#coding:utf-8s = u'中文'f = open("test.txt","w")f.write(s.encode("utf-8"))f.close()

#coding:utf-8import sysreload(sys)sys.setdefaultencoding('utf-8') s = u'中文'f = open("test.txt","w")f.write(s)f.close()