Metadata asset platform-based application assembly platform system

The invention discloses an application assembly platform-in-platform system based on a metadata asset platform, and the system comprises the metadata asset platform which is used for managing metadata information in the system, and through the metadata asset platform, different application components can carry out interaction and operation based on the unified metadata information; the capability center is used for providing a series of core services, the core services comprise a strategy service, an identification service and a key service, and the core services are used for providing function support for assembly and integration of the application components; and the tenant center is used for managing tenants of the application component and identity sources of the tenants and safely controlling access permissions and safety settings of different tenants, and the system can realize data isolation and access control in a multi-tenant mode through the tenant center. By utilizing the embodiment of the inventio