def __BAP_${trade}_S${sid}_EXP(__REQ__,__RSP__,__BUF__ = None,__EXT__ = None,strErrcode = None,strErrMsg = None):
    '''
	索  引：INDEX_S${sindex}_EXP
	功  能：异常处理
	节  点：步骤${sindex}
           交  易：${trade}
    '''
    CGC_Debug("开始异常处理:")
    try:
        if strErrcode != None and  strErrMsg != None:
            CGC_SET_DEF_ERROR(__REQ__,"E",strErrcode,strErrMsg)
        
        objResult = None
        objMethod = ${startFunc}
        while(type(objMethod) is FunctionType):
            objResult = objMethod(__REQ__,__RSP__,__BUF__,__EXT__)
            objMethod = objResult
           
        return (True == objResult)
    except Exception,PyExcp:
        CGC_Debug("异常 [${errcode + "01"}]-[%s]" % (str(PyExcp)))
        CGC_SET_DEF_ERROR(__REQ__,"E","${errcode + "01"}",str(PyExcp))
        return False