NSArray - filteredArrayUsingPredicate:
Evaluates a given predicate against each object in the receiving array and returns a new array containing the objects for which the predicate returns true.
Declaration
SWIFT
func filteredArrayUsingPredicate(_ predicate: NSPredicate) -> [AnyObject]
OBJECTIVE-C
- (NSArray<ObjectType> *)filteredArrayUsingPredicate:(NSPredicate *)predicate
Parameters
predicate
The predicate against which to evaluate the receiving array’s elements.
Return Value
A new array containing the objects in the receiving array for which predicate returns true.
Discussion
For more details, see Predicate Programming Guide.
Availability
Available in iOS 3.0 and later.
例子：
Evaluates a given predicate against each object in the receiving array and returns a new array containing the objects for which the predicate returns true.
Declaration
SWIFT
func filteredArrayUsingPredicate(_ predicate: NSPredicate) -> [AnyObject]
OBJECTIVE-C
- (NSArray<ObjectType> *)filteredArrayUsingPredicate:(NSPredicate *)predicate
Parameters
predicate
The predicate against which to evaluate the receiving array’s elements.
Return Value
A new array containing the objects in the receiving array for which predicate returns true.
Discussion
For more details, see Predicate Programming Guide.
Availability
Available in iOS 3.0 and later.
例子：
[self.products filteredArrayUsingPredicate:[NSPredicate predicateWithFormat:@"weight > 10"]];