Abstract: Web Service is fit for distributed, loosccoupling application environment. A Web service adapter of service contract-oriented was presented in order to solve the problem of enterprise application system development. We still introduced some key issues about service contract analysis engine, skeleton code generate engine and Web based WSDL editor in the Web service adapter. Also, the Web service adapter designed in this paper was compared with related tools,the results showed that our methods are more interactive and stability.

Key words: Web services, Service contract, Service adapter, Engine