使用objective-c写一个分页组件，具体代码

// PaginationComponent.h

#import <Foundation/Foundation.h>

@interface PaginationComponent : NSObject

@property (nonatomic, assign) NSInteger currentPage;
@property (nonatomic, assign) NSInteger pageSize;

- (NSArray *)paginateData:(NSArray *)data;

@end

// PaginationComponent.m

#import "PaginationComponent.h"

@implementation PaginationComponent

- (NSArray *)paginateData:(NSArray *)data {
    NSInteger totalItems = [data count];
    NSInteger startIndex = self.currentPage * self.pageSize;
    NSInteger endIndex = startIndex + self.pageSize;
    
    if (startIndex >= totalItems) {
        return @[];
    }
    
    if (endIndex > totalItems) {
        endIndex = totalItems;
    }
    
    return [data subarrayWithRange:NSMakeRange(startIndex, endIndex - startIndex)];
}

@end