创建三种识别二维码的句柄
create_data_code_2d_model (SymbolType[Index], 'default_parameters', 'standard_recognition', DataCodeHandleStandard)
create_data_code_2d_model (SymbolType[Index], 'default_parameters', 'enhanced_recognition', DataCodeHandleEnhanced)
create_data_code_2d_model (SymbolType[Index], 'default_parameters', 'maximum_recognition', DataCodeHandleMaximum)