在類(lèi)中創(chuàng)建的函數(shù)在直接調(diào)用時(shí)有效，但在同一個(gè)類(lèi)中調(diào)用時(shí)不起作用。給了我未定義的全局名稱(chēng)。我查看了其他帖子，然后檢查了我的括號(hào)、間距等，但無(wú)法看到問(wèn)題所在。在下面的代碼中，這是有效的：test1 = srtqualifier(mdlname,datatype,dataconvention,t1)print (test1.spartSABR())但這不起作用：print(test1.makequalifier()) ##NameError: global name 'spartSABR' is not defined主要代碼：import stringdatatype = "Swaption SABR Normal Volatility"dataconvention = "USD-SIFMA Municipal Swap Index-1W-SWAPTION-PHYSICAL-SEMI-BOND"mdlname = "IR_SABR"t1 = 'should-send-back-none'#datatype = raw_input("Please input Data Type: ")#dataconvention = raw_input("Please input Data Convention: ")#modelname = raw_input("Please provide model name: ")class srtqualifier:def __init__(self,mdlname,datatype, dataconvention,t1):    self.mdlname = mdlname    self.datatype = datatype    self.dataconvention = dataconvention    self.t1 = t1    self.tempholder =  self.dataconvention.split("-")    self.currency = self.tempholder[0]    def spartSABR(self):        secondpartsp = self.tempholder[1].split(" ")        secondpartsp.append(self.tempholder[2])        separator = "_"        secondpart = separator.join(secondpartsp)        secondpart = secondpart.upper()        return secondpart    def modelname(self):        mdname = {'IR_SABR':'SABR','FX_LN':'FXLN','IR_LGM':'LGM','IR_LMM':'LMM','IR_SABR_FX_LN_GC':'SABR_FX_LN_GC','IR_SABR_GC':'SABR_GC','INFLATION_SABR':'SABR_IF'}        return mdname.get(self.mdlname)