接口的使用
org.hibernate.criterion.EnhancedProjection

使用EnhancedProjection的程序包

程序包	说明
org.hibernate.criterion	A framework for defining restriction criteria and order criteria.

org.hibernate.criterion中EnhancedProjection的使用

实现EnhancedProjection的org.hibernate.criterion中的类

修饰符和类型	类	说明
class	AggregateProjection	Base class for standard aggregation functions.
class	AliasedProjection	Represents a projection that specifies an alias
class	AvgProjection	An avg() projection
class	CountProjection	A count projection
class	Distinct	A wrappedProjection that is a wrapper around other projections to apply distinction.
class	IdentifierProjection	A property value, or grouped property value
class	ProjectionList	A projection that wraps other projections to allow selecting multiple values.
class	Property	A factory for property-specific criterion and projection instances
class	PropertyProjection	A property value, or grouped property value
class	RowCountProjection	A row count
class	SimpleProjection	A single-column projection that may be aliased