基于Object-C实现的列表选择课程作业项目.zip

// // NBLPickerView.h // // // Created by HTJT-yangjh on 2019/1/16. // Copyright © 2019 HTJT-yangjh. All rights reserved. // #import <UIKit/UIKit.h> NS_ASSUME_NONNULL_BEGIN @interface NBLPickerView : UIView @property (weak, nonatomic) IBOutlet UILabel *labelTitle; @property (weak, nonatomic) IBOutlet UIButton *buttonLeft; @property (weak, nonatomic) IBOutlet NSLayoutConstraint *constraintLeftButtonWidth; @property (weak, nonatomic) IBOutlet UIButton *buttonRight; @property (weak, nonatomic) IBOutlet NSLayoutConstraint *constraintRightButtonWidth; @property (weak, nonatomic) IBOutlet NSLayoutConstraint *constraintPickerViewHeight; @property (nonatomic, strong) UIColor *titleBackgroundColor; @property (nonatomic, strong) UIColor *separatorColor; @property (nonatomic, readonly) NSArray<NSString *> *optionList; // 返回YES则关闭视图 @property (nonatomic, strong) BOOL (^blockClickLeftButton)(NSInteger index); @property (nonatomic, strong) BOOL (^blockClickRightButton)(NSInteger index); + (instancetype)showOptionList:(NSArray<NSString *> *)list withIndexSel:(NSInteger)indexSel; + (instancetype)showOptionList:(NSString* (^)(NSInteger row))blockOptionTitle withOptionCount:(NSUInteger)optionCount andIndexSel:(NSInteger)indexSel; - (NSInteger)getSelectedIndex; @end NS_ASSUME_NONNULL_END