Business code generation and execution method and device

The invention relates to the field of finance technology (Fintech). The invention further discloses a business code generation and execution method and device. The business comprises a plurality of sub-business; wherein each sub-business has a corresponding sub-service code; the code execution method comprises the steps of: receiving generation parameters of business codes; creating context classes of traffic, generating a command class of each sub-business code; according to a preset execution sequence, enabling the command class of each sub-business code to form a business combination class; business code, and after a code execution instruction is received, controlling each command class contained in the business code to call the corresponding sub-business code one by one as a target code; after the input parameters contained in the associated context class are brought into the target code, executing the target code, and storing an output result of the target code as an output parameter into the context cla