update

Pods/BRPickerView/BRPickerView/Base/BRBaseView.h

@@ -0,0 +1,76 @@
+//
+//  BaseView.h
+//  BRPickerViewDemo
+//
+//  Created by renbo on 2017/8/11.
+//  Copyright © 2017 irenb. All rights reserved.
+//
+//  最新代码下载地址：https://github.com/91renb/BRPickerView
+
+#import <UIKit/UIKit.h>
+#import "BRPickerStyle.h"
+
+NS_ASSUME_NONNULL_BEGIN
+
+typedef void(^BRCancelBlock)(void);
+typedef void(^BRDoneClickBlock)(void);
+
+@interface BRBaseView : UIView
+
+/** 选择器标题 */
+@property (nullable, nonatomic, copy) NSString *title;
+
+/** 是否自动选择，即滚动选择器后就执行结果回调，默认为 NO */
+@property (nonatomic, assign) BOOL isAutoSelect;
+
+/** 自定义UI样式（不传或为nil时，是默认样式） */
+@property (nullable, nonatomic, strong) BRPickerStyle *pickerStyle;
+
+/** 取消选择的回调 */
+@property (nullable, nonatomic, copy) BRCancelBlock cancelBlock;
+
+/** accessory view for above picker view. default is nil */
+@property (nullable, nonatomic, strong) UIView *pickerHeaderView;
+
+/** accessory view below picker view. default is nil */
+@property (nullable, nonatomic, strong) UIView *pickerFooterView;
+
+/// 确定按钮点击事件的回调
+/// 应用场景：如果是自定义确定按钮，需要在该按钮点击事件方法里，执行一下 doneBlock 回调。目的是触发组件内部执行 resultBlock 回调，回调选择的值
+@property (nullable, nonatomic, copy) BRDoneClickBlock doneBlock;
+
+/** 弹框视图(使用场景：可以在 alertView 上添加选择器的自定义背景视图) */
+@property (nullable, nonatomic, strong) UIView *alertView;
+
+/** 组件的父视图：可以传 自己获取的 keyWindow，或页面的 view */
+@property (nullable, nonatomic, strong) UIView *keyView;
+
+
+/// 刷新选择器数据
+/// 应用场景：动态更新数据源、动态更新选择的值、选择器类型切换等
+- (void)reloadData;
+
+/// 扩展一：添加选择器到指定容器视图上
+/// 应用场景：可将中间的滚轮选择器 pickerView 视图（不包含蒙层及标题栏）添加到任何自定义视图上（会自动填满容器视图），也方便自定义更多的弹框样式
+/// 补充说明：如果是自定义确定按钮，需要回调默认选择的值：只需在自定义确定按钮的点击事件方法里执行一下 doneBlock 回调（目的是去触发组件内部执行 resultBlock 回调，进而回调默认选择的值）
+/// @param view 容器视图
+- (void)addPickerToView:(nullable UIView *)view NS_REQUIRES_SUPER;
+
+/// 从指定容器视图上移除选择器
+/// @param view 容器视图
+- (void)removePickerFromView:(nullable UIView *)view;
+
+/// 扩展二：添加自定义视图到选择器（pickerView）上
+/// 应用场景：可以添加一些固定的标题、单位等到选择器中间
+/// @param customView 自定义视图
+- (void)addSubViewToPicker:(UIView *)customView;
+
+/// 扩展三：添加自定义视图到标题栏（titleBarView）上
+/// 应用场景：可以添加一些子控件到标题栏
+/// @param customView 自定义视图
+- (void)addSubViewToTitleBar:(UIView *)customView;
+
+
+@end
+
+NS_ASSUME_NONNULL_END

Pods/BRPickerView/BRPickerView/Base/BRBaseView.m

@@ -0,0 +1,398 @@
+//
+//  BaseView.m
+//  BRPickerViewDemo
+//
+//  Created by renbo on 2017/8/11.
+//  Copyright © 2017 irenb. All rights reserved.
+//
+//  最新代码下载地址：https://github.com/91renb/BRPickerView
+
+#import "BRBaseView.h"
+
+@interface BRBaseView ()
+// 蒙层视图
+@property (nonatomic, strong) UIView *maskView;
+// 标题栏背景视图
+@property (nonatomic, strong) UIView *titleBarView;
+// 左边取消按钮
+@property (nonatomic, strong) UIButton *cancelBtn;
+// 右边确定按钮
+@property (nonatomic, strong) UIButton *doneBtn;
+// 中间标题
+@property (nonatomic, strong) UILabel *titleLabel;
+
+// 取消按钮离屏幕边缘的距离
+@property (nonatomic, assign) CGFloat cancelBtnMargin;
+// 确定按钮离屏幕边缘的距离
+@property (nonatomic, assign) CGFloat doneBtnMargin;
+
+@end
+
+@implementation BRBaseView
+
+- (void)initUI {
+    self.frame = self.keyView.bounds;
+    // 设置子视图的宽度随着父视图变化
+    self.autoresizingMask = UIViewAutoresizingFlexibleBottomMargin | UIViewAutoresizingFlexibleRightMargin | UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleHeight;
+    
+    if (!self.pickerStyle.hiddenMaskView) {
+        [self addSubview:self.maskView];
+    }
+    
+    [self addSubview:self.alertView];
+    
+    // 是否隐藏标题栏
+    if (!self.pickerStyle.hiddenTitleBarView) {
+        [self.alertView addSubview:self.titleBarView];
+        [self.alertView sendSubviewToBack:self.titleBarView];
+
+        if (!self.pickerStyle.hiddenTitleLabel) {
+            [self.titleBarView addSubview:self.titleLabel];
+        }
+        if (!self.pickerStyle.hiddenCancelBtn) {
+            [self.titleBarView addSubview:self.cancelBtn];
+            // 获取边距
+            if (self.pickerStyle.cancelBtnFrame.origin.x < self.bounds.size.width / 2) {
+                self.cancelBtnMargin = self.pickerStyle.cancelBtnFrame.origin.x;
+            } else {
+                self.cancelBtnMargin = self.bounds.size.width - self.pickerStyle.cancelBtnFrame.origin.x - self.pickerStyle.cancelBtnFrame.size.width;
+            }
+        }
+        if (!self.pickerStyle.hiddenDoneBtn) {
+            [self.titleBarView addSubview:self.doneBtn];
+            // 获取边距
+            if (self.pickerStyle.doneBtnFrame.origin.x < self.bounds.size.width / 2) {
+                self.doneBtnMargin = self.pickerStyle.doneBtnFrame.origin.x;
+            } else {
+                self.doneBtnMargin = self.bounds.size.width - self.pickerStyle.doneBtnFrame.origin.x - self.pickerStyle.doneBtnFrame.size.width;
+            }
+        }
+    }
+}
+
+#pragma mark - 适配横屏安全区域，更新子视图布局
+- (void)layoutSubviews {
+    [super layoutSubviews];
+    if (_cancelBtn || _doneBtn) {
+        if (@available(iOS 11.0, *)) {
+            UIEdgeInsets safeInsets = self.safeAreaInsets;
+            if (_cancelBtn) {
+                CGRect cancelBtnFrame = self.pickerStyle.cancelBtnFrame;
+                if (cancelBtnFrame.origin.x < MIN(self.bounds.size.width / 2, self.bounds.size.height / 2)) {
+                    cancelBtnFrame.origin.x += safeInsets.left;
+                } else {
+                    cancelBtnFrame.origin.x = self.bounds.size.width - cancelBtnFrame.size.width - safeInsets.right - self.cancelBtnMargin;
+                }
+                self.cancelBtn.frame = cancelBtnFrame;
+            }
+            if (_doneBtn) {
+                CGRect doneBtnFrame = self.pickerStyle.doneBtnFrame;
+                if (doneBtnFrame.origin.x < MIN(self.bounds.size.width / 2, self.bounds.size.height / 2)) {
+                    doneBtnFrame.origin.x += safeInsets.left;
+                } else {
+                    doneBtnFrame.origin.x = self.bounds.size.width - doneBtnFrame.size.width - safeInsets.right - self.doneBtnMargin;
+                }
+                self.doneBtn.frame = doneBtnFrame;
+            }
+        }
+    }
+    
+    if (_alertView && self.pickerStyle.topCornerRadius > 0) {
+        // 设置顶部圆角
+        [BRPickerStyle br_setView:_alertView roundingCorners:UIRectCornerTopLeft | UIRectCornerTopRight withRadius:self.pickerStyle.topCornerRadius];
+    }
+}
+
+#pragma mark - 蒙层视图
+- (UIView *)maskView {
+    if (!_maskView) {
+        _maskView = [[UIView alloc]initWithFrame:self.keyView.bounds];
+        _maskView.backgroundColor = self.pickerStyle.maskColor;
+        // 设置子视图的大小随着父视图变化
+        _maskView.autoresizingMask = UIViewAutoresizingFlexibleBottomMargin | UIViewAutoresizingFlexibleRightMargin | UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleHeight;
+        _maskView.userInteractionEnabled = YES;
+        UITapGestureRecognizer *myTap = [[UITapGestureRecognizer alloc]initWithTarget:self action:@selector(didTapMaskView:)];
+        [_maskView addGestureRecognizer:myTap];
+    }
+    return _maskView;
+}
+
+#pragma mark - 弹框视图
+- (UIView *)alertView {
+    if (!_alertView) {
+        CGFloat accessoryViewHeight = 0;
+        if (self.pickerHeaderView) {
+            accessoryViewHeight += self.pickerHeaderView.bounds.size.height;
+        }
+        if (self.pickerFooterView) {
+            accessoryViewHeight += self.pickerFooterView.bounds.size.height;
+        }
+        CGFloat height = self.pickerStyle.titleBarHeight + self.pickerStyle.pickerHeight + self.pickerStyle.paddingBottom + accessoryViewHeight;
+        _alertView = [[UIView alloc]initWithFrame:CGRectMake(0, self.keyView.bounds.size.height - height, self.keyView.bounds.size.width, height)];
+        _alertView.backgroundColor = self.pickerStyle.alertViewColor ? self.pickerStyle.alertViewColor : self.pickerStyle.pickerColor;
+        if (!self.pickerStyle.topCornerRadius && !self.pickerStyle.hiddenShadowLine) {
+            // 设置弹框视图顶部边框线
+            UIView *shadowLineView = [[UIView alloc]initWithFrame:CGRectMake(0, 0, _alertView.frame.size.width, self.pickerStyle.shadowLineHeight)];
+            shadowLineView.backgroundColor = self.pickerStyle.shadowLineColor;
+            shadowLineView.autoresizingMask = UIViewAutoresizingFlexibleWidth;
+            [_alertView addSubview:shadowLineView];
+        }
+        _alertView.autoresizingMask = UIViewAutoresizingFlexibleTopMargin | UIViewAutoresizingFlexibleRightMargin | UIViewAutoresizingFlexibleWidth;
+    }
+    return _alertView;
+}
+
+#pragma mark - 标题栏视图
+- (UIView *)titleBarView {
+    if (!_titleBarView) {
+        _titleBarView =[[UIView alloc]initWithFrame:CGRectMake(0, 0, self.keyView.bounds.size.width, self.pickerStyle.titleBarHeight)];
+        _titleBarView.backgroundColor = self.pickerStyle.titleBarColor;
+        _titleBarView.autoresizingMask = UIViewAutoresizingFlexibleWidth;
+        if (!self.pickerStyle.hiddenTitleLine) {
+            // 设置标题栏底部分割线
+            UIView *titleLineView = [[UIView alloc]initWithFrame:CGRectMake(0, _titleBarView.frame.size.height - 0.5f, _titleBarView.frame.size.width, 0.5f)];
+            titleLineView.backgroundColor = self.pickerStyle.titleLineColor;
+            titleLineView.autoresizingMask = UIViewAutoresizingFlexibleWidth;
+            [_titleBarView addSubview:titleLineView];
+        }
+    }
+    return _titleBarView;
+}
+
+#pragma mark - 取消按钮
+- (UIButton *)cancelBtn {
+    if (!_cancelBtn) {
+        _cancelBtn = [UIButton buttonWithType:UIButtonTypeCustom];
+        _cancelBtn.frame = self.pickerStyle.cancelBtnFrame;
+        _cancelBtn.autoresizingMask = UIViewAutoresizingFlexibleRightMargin | UIViewAutoresizingFlexibleLeftMargin;
+        _cancelBtn.backgroundColor = self.pickerStyle.cancelColor;;
+        _cancelBtn.titleLabel.font = self.pickerStyle.cancelTextFont;
+        [_cancelBtn setTitleColor:self.pickerStyle.cancelTextColor forState:UIControlStateNormal];
+        if (self.pickerStyle.cancelBtnImage) {
+            [_cancelBtn setImage:self.pickerStyle.cancelBtnImage forState:UIControlStateNormal];
+        }
+        if (self.pickerStyle.cancelBtnTitle) {
+            [_cancelBtn setTitle:self.pickerStyle.cancelBtnTitle forState:UIControlStateNormal];
+        }
+        [_cancelBtn addTarget:self action:@selector(clickCancelBtn) forControlEvents:UIControlEventTouchUpInside];
+        // 设置按钮圆角或边框
+        if (self.pickerStyle.cancelBorderStyle == BRBorderStyleSolid) {
+            _cancelBtn.layer.cornerRadius = self.pickerStyle.cancelCornerRadius > 0 ? self.pickerStyle.cancelCornerRadius : 6.0f;
+            _cancelBtn.layer.borderColor = self.pickerStyle.cancelTextColor.CGColor;
+            _cancelBtn.layer.borderWidth = self.pickerStyle.cancelBorderWidth > 0 ? self.pickerStyle.cancelBorderWidth : 1.0f;
+            _cancelBtn.layer.masksToBounds = YES;
+        } else if (self.pickerStyle.cancelBorderStyle == BRBorderStyleFill) {
+            _cancelBtn.layer.cornerRadius = self.pickerStyle.cancelCornerRadius > 0 ? self.pickerStyle.cancelCornerRadius : 6.0f;
+            _cancelBtn.layer.masksToBounds = YES;
+        }
+    }
+    return _cancelBtn;
+}
+
+#pragma mark - 确定按钮
+- (UIButton *)doneBtn {
+    if (!_doneBtn) {
+        _doneBtn = [UIButton buttonWithType:UIButtonTypeCustom];
+        _doneBtn.frame = self.pickerStyle.doneBtnFrame;
+        _doneBtn.autoresizingMask = UIViewAutoresizingFlexibleRightMargin | UIViewAutoresizingFlexibleLeftMargin;
+        _doneBtn.backgroundColor = self.pickerStyle.doneColor;
+        if (self.pickerStyle.doneBtnImage) {
+            [_doneBtn setImage:self.pickerStyle.doneBtnImage forState:UIControlStateNormal];
+        }
+        if (self.pickerStyle.doneBtnTitle) {
+            _doneBtn.titleLabel.font = self.pickerStyle.doneTextFont;
+            [_doneBtn setTitleColor:self.pickerStyle.doneTextColor forState:UIControlStateNormal];
+            [_doneBtn setTitle:self.pickerStyle.doneBtnTitle forState:UIControlStateNormal];
+        }
+        [_doneBtn addTarget:self action:@selector(clickDoneBtn) forControlEvents:UIControlEventTouchUpInside];
+        // 设置按钮圆角或边框
+        if (self.pickerStyle.doneBorderStyle == BRBorderStyleSolid) {
+            _doneBtn.layer.cornerRadius = self.pickerStyle.doneCornerRadius > 0 ? self.pickerStyle.doneCornerRadius : 6.0f;
+            _doneBtn.layer.borderColor = self.pickerStyle.doneTextColor.CGColor;
+            _doneBtn.layer.borderWidth = self.pickerStyle.doneBorderWidth > 0 ? self.pickerStyle.doneBorderWidth : 1.0f;
+            _doneBtn.layer.masksToBounds = YES;
+        } else if (self.pickerStyle.doneBorderStyle == BRBorderStyleFill) {
+            _doneBtn.layer.cornerRadius = self.pickerStyle.doneCornerRadius > 0 ? self.pickerStyle.doneCornerRadius : 6.0f;
+            _doneBtn.layer.masksToBounds = YES;
+        }
+    }
+    return _doneBtn;
+}
+
+#pragma mark - 中间标题label
+- (UILabel *)titleLabel {
+    if (!_titleLabel) {
+        _titleLabel = [[UILabel alloc]initWithFrame:self.pickerStyle.titleLabelFrame];
+        _titleLabel.backgroundColor = self.pickerStyle.titleLabelColor;
+        _titleLabel.autoresizingMask = UIViewAutoresizingFlexibleRightMargin | UIViewAutoresizingFlexibleLeftMargin;
+        _titleLabel.textAlignment = NSTextAlignmentCenter;
+        _titleLabel.font = self.pickerStyle.titleTextFont;
+        _titleLabel.textColor = self.pickerStyle.titleTextColor;
+        _titleLabel.text = self.title;
+    }
+    return _titleLabel;
+}
+
+#pragma mark - 点击蒙层视图事件
+- (void)didTapMaskView:(UITapGestureRecognizer *)sender {
+    [self removePickerFromView:nil];
+    if (self.cancelBlock) {
+        self.cancelBlock();
+    }
+}
+
+#pragma mark - 取消按钮的点击事件
+- (void)clickCancelBtn {
+    [self removePickerFromView:nil];
+    if (self.cancelBlock) {
+        self.cancelBlock();
+    }
+}
+
+#pragma mark - 确定按钮的点击事件
+- (void)clickDoneBtn {
+    [self removePickerFromView:nil];
+    if (self.doneBlock) {
+        self.doneBlock();
+    }
+}
+
+#pragma mark - 添加视图方法
+- (void)addPickerToView:(UIView *)view {
+    if (view) {
+        self.frame = view.bounds;
+        self.autoresizingMask = UIViewAutoresizingFlexibleBottomMargin | UIViewAutoresizingFlexibleRightMargin | UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleHeight;
+        
+        CGFloat accessoryViewHeight = 0;
+        if (self.pickerHeaderView) {
+            CGRect rect = self.pickerHeaderView.frame;
+            self.pickerHeaderView.frame = CGRectMake(0, 0, view.bounds.size.width, rect.size.height);
+            self.pickerHeaderView.autoresizingMask = UIViewAutoresizingFlexibleWidth;
+            [self addSubview:self.pickerHeaderView];
+            
+            accessoryViewHeight += self.pickerHeaderView.bounds.size.height;
+        }
+        if (self.pickerFooterView) {
+            CGRect rect = self.pickerFooterView.frame;
+            self.pickerFooterView.frame = CGRectMake(0, view.bounds.size.height - rect.size.height, view.bounds.size.width, rect.size.height);
+            self.pickerFooterView.autoresizingMask = UIViewAutoresizingFlexibleWidth;
+            [self addSubview:self.pickerFooterView];
+            
+            accessoryViewHeight += self.pickerFooterView.bounds.size.height;
+        }
+        
+        [view addSubview:self];
+    } else {
+        [self initUI];
+        
+        if (self.pickerHeaderView) {
+            CGRect rect = self.pickerHeaderView.frame;
+            CGFloat titleBarHeight = self.pickerStyle.hiddenTitleBarView ? 0 : self.pickerStyle.titleBarHeight;
+            self.pickerHeaderView.frame = CGRectMake(0, titleBarHeight, self.alertView.bounds.size.width, rect.size.height);
+            self.pickerHeaderView.autoresizingMask = UIViewAutoresizingFlexibleWidth;
+            [self.alertView addSubview:self.pickerHeaderView];
+        }
+        if (self.pickerFooterView) {
+            CGRect rect = self.pickerFooterView.frame;
+            self.pickerFooterView.frame = CGRectMake(0, self.alertView.bounds.size.height - self.pickerStyle.paddingBottom - rect.size.height, self.alertView.bounds.size.width, rect.size.height);
+            self.pickerFooterView.autoresizingMask = UIViewAutoresizingFlexibleWidth;
+            [self.alertView addSubview:self.pickerFooterView];
+        }
+    
+        [self.keyView addSubview:self];
+        
+        // iOS16：重新设置 alertView 高度（解决懒加载设置frame不生效问题）
+        CGFloat accessoryViewHeight = 0;
+        if (self.pickerHeaderView) {
+            accessoryViewHeight += self.pickerHeaderView.bounds.size.height;
+        }
+        if (self.pickerFooterView) {
+            accessoryViewHeight += self.pickerFooterView.bounds.size.height;
+        }
+        CGFloat height = self.pickerStyle.titleBarHeight + self.pickerStyle.pickerHeight + self.pickerStyle.paddingBottom + accessoryViewHeight;
+        self.alertView.frame = CGRectMake(0, self.keyView.bounds.size.height - height, self.keyView.bounds.size.width, height);
+        
+        // 动画前初始位置
+        CGRect rect = self.alertView.frame;
+        rect.origin.y = self.bounds.size.height;
+        self.alertView.frame = rect;
+        // 弹出动画
+        if (!self.pickerStyle.hiddenMaskView) {
+            self.maskView.alpha = 0;
+        }
+        [UIView animateWithDuration:0.3f animations:^{
+            if (!self.pickerStyle.hiddenMaskView) {
+                self.maskView.alpha = 1;
+            }
+            CGFloat alertViewHeight = self.alertView.bounds.size.height;
+            CGRect rect = self.alertView.frame;
+            rect.origin.y -= alertViewHeight;
+            self.alertView.frame = rect;
+        }];
+    }
+}
+
+#pragma mark - 移除视图方法
+- (void)removePickerFromView:(UIView *)view {
+    if (view) {
+        [self removeFromSuperview];
+    } else {
+        // 关闭动画
+        [UIView animateWithDuration:0.2f animations:^{
+            CGFloat alertViewHeight = self.alertView.bounds.size.height;
+            CGRect rect = self.alertView.frame;
+            rect.origin.y += alertViewHeight;
+            self.alertView.frame = rect;
+            if (!self.pickerStyle.hiddenMaskView) {
+                self.maskView.alpha = 0;
+            }
+        } completion:^(BOOL finished) {
+            [self removeFromSuperview];
+        }];
+    }
+}
+
+#pragma mark - 刷新选择器数据
+- (void)reloadData {
+    
+}
+
+#pragma mark - 添加自定义视图到选择器（picker）上
+- (void)addSubViewToPicker:(UIView *)customView {
+    
+}
+
+#pragma mark - 添加自定义视图到标题栏（titleBar）上
+- (void)addSubViewToTitleBar:(UIView *)customView {
+    if (!self.pickerStyle.hiddenTitleBarView) {
+        [self.titleBarView addSubview:customView];
+    }
+}
+
+- (BRPickerStyle *)pickerStyle {
+    if (!_pickerStyle) {
+        _pickerStyle = [[BRPickerStyle alloc]init];
+    }
+    return _pickerStyle;
+}
+
+- (UIView *)keyView {
+    if (!_keyView) {
+        _keyView = BRGetKeyWindow();
+    }
+    return _keyView;
+}
+
+#pragma mark - setter 方法（支持动态设置标题）
+- (void)setTitle:(NSString *)title {
+    _title = title;
+    if (_titleLabel) {
+        _titleLabel.text = title;
+    }
+}
+
+- (void)dealloc {
+    NSLog(@"%@ dealloc", NSStringFromClass([self class]));
+}
+
+@end

Pods/BRPickerView/BRPickerView/Base/BRPickerStyle.h

@@ -0,0 +1,251 @@
+//
+//  BRPickerStyle.h
+//  BRPickerViewDemo
+//
+//  Created by renbo on 2019/10/2.
+//  Copyright © 2019 irenb. All rights reserved.
+//
+//  最新代码下载地址：https://github.com/91renb/BRPickerView
+
+#import <Foundation/Foundation.h>
+#import <UIKit/UIKit.h>
+#import "BRPickerViewMacro.h"
+
+NS_ASSUME_NONNULL_BEGIN
+
+// 边框样式（左边取消按钮/右边确定按钮）
+typedef NS_ENUM(NSInteger, BRBorderStyle) {
+    /** 无边框（默认） */
+    BRBorderStyleNone = 0,
+    /** 有圆角和边框 */
+    BRBorderStyleSolid,
+    /** 仅有圆角 */
+    BRBorderStyleFill
+};
+
+@interface BRPickerStyle : NSObject
+
+
+/////////////////////////////// 蒙层视图（maskView）///////////////////////////////
+
+/** 设置背景颜色 */
+@property (nullable, nonatomic, strong) UIColor *maskColor;
+
+/** 隐藏 maskView，默认为 NO */
+@property (nonatomic, assign) BOOL hiddenMaskView;
+
+
+////////////////////////////// 弹框视图（alertView）///////////////////////////////
+
+/** 设置 alertView 弹框视图的背景颜色 */
+@property (nullable, nonatomic, strong) UIColor *alertViewColor;
+
+/** 设置 alertView 弹框视图左上和右上的圆角半径  */
+@property (nonatomic, assign) NSInteger topCornerRadius;
+
+/** 设置 alertView 弹框视图顶部边框线颜色  */
+@property (nullable, nonatomic, strong) UIColor *shadowLineColor;
+
+/** 设置 alertView 弹框视图顶部边框线高度  */
+@property (nonatomic, assign) CGFloat shadowLineHeight;
+
+/** 隐藏 alertView 弹框视图顶部边框线，默认为 NO */
+@property (nonatomic, assign) BOOL hiddenShadowLine;
+
+/** 设置 alertView 弹框视图底部内边距，默认为安全区域底部距屏幕底部的高度  */
+@property (nonatomic, assign) CGFloat paddingBottom;
+
+
+//////////////////////////// 标题栏视图（titleBarView） ////////////////////////////
+
+/** 设置 titleBarView 标题栏的背景颜色 */
+@property (nullable, nonatomic, strong) UIColor *titleBarColor;
+
+/** 设置 titleBarView 标题栏的高度 */
+@property (nonatomic, assign) CGFloat titleBarHeight;
+
+/** 设置 titleBarView 标题栏底部分割线颜色 */
+@property (nullable, nonatomic, strong) UIColor *titleLineColor;
+
+/** 隐藏 titleBarView 标题栏底部分割线，默认为 NO  */
+@property (nonatomic, assign) BOOL hiddenTitleLine;
+
+/** 隐藏 titleBarView，默认为 NO */
+@property (nonatomic, assign) BOOL hiddenTitleBarView;
+
+
+////////////////////////// 标题栏中间label（titleLabel）///////////////////////////
+
+/** 设置 titleLabel 的背景颜色 */
+@property (nullable, nonatomic, strong) UIColor *titleLabelColor;
+
+/** 设置 titleLabel 文本颜色 */
+@property (nullable, nonatomic, strong) UIColor *titleTextColor;
+
+/** 设置 titleLabel 字体大小 */
+@property (nullable, nonatomic, strong) UIFont *titleTextFont;
+
+/** 设置 titleLabel 的 frame */
+@property (nonatomic, assign) CGRect titleLabelFrame;
+
+/** 隐藏 titleLabel，默认为 NO */
+@property (nonatomic, assign) BOOL hiddenTitleLabel;
+
+
+/////////////////////////////// 取消按钮（cancelBtn）//////////////////////////////
+
+/** 设置 cancelBtn 的背景颜色 */
+@property (nullable, nonatomic, strong) UIColor *cancelColor;
+
+/** 设置 cancelBtn 标题的颜色 */
+@property (nullable, nonatomic, strong) UIColor *cancelTextColor;
+
+/** 设置 cancelBtn 标题的字体 */
+@property (nullable, nonatomic, strong) UIFont *cancelTextFont;
+
+/** 设置 cancelBtn 的 frame */
+@property (nonatomic, assign) CGRect cancelBtnFrame;
+
+/** 设置 cancelBtn 的边框样式 */
+@property (nonatomic, assign) BRBorderStyle cancelBorderStyle;
+
+/** 设置 cancelBtn 的圆角大小 */
+@property (nonatomic, assign) CGFloat cancelCornerRadius;
+
+/** 设置 cancelBtn 的边框宽度 */
+@property (nonatomic, assign) CGFloat cancelBorderWidth;
+
+/** 设置 cancelBtn 的 image */
+@property (nullable, nonatomic, strong) UIImage *cancelBtnImage;
+
+/** 设置 cancelBtn 的 title */
+@property (nullable, nonatomic, copy) NSString *cancelBtnTitle;
+
+/** 隐藏 cancelBtn，默认为 NO */
+@property (nonatomic, assign) BOOL hiddenCancelBtn;
+
+
+/////////////////////////////// 确定按钮（doneBtn）////////////////////////////////
+
+/** 设置 doneBtn 的背景颜色 */
+@property (nullable, nonatomic, strong) UIColor *doneColor;
+
+/** 设置 doneBtn 标题的颜色 */
+@property (nullable, nonatomic, strong) UIColor *doneTextColor;
+
+/** 设置 doneBtn 标题的字体 */
+@property (nullable, nonatomic, strong) UIFont *doneTextFont;
+
+/** 设置 doneBtn 的 frame */
+@property (nonatomic, assign) CGRect doneBtnFrame;
+
+/** 设置 doneBtn 的边框样式 */
+@property (nonatomic, assign) BRBorderStyle doneBorderStyle;
+
+/** 设置 doneBtn 的圆角大小 */
+@property (nonatomic, assign) CGFloat doneCornerRadius;
+
+/** 设置 doneBtn 的边框宽度 */
+@property (nonatomic, assign) CGFloat doneBorderWidth;
+
+/** 设置 doneBtn 的 image */
+@property (nullable, nonatomic, strong) UIImage *doneBtnImage;
+
+/** 设置 doneBtn 的 title */
+@property (nullable, nonatomic, copy) NSString *doneBtnTitle;
+
+/** 隐藏 doneBtn，默认为 NO */
+@property (nonatomic, assign) BOOL hiddenDoneBtn;
+
+
+/////////////////////////////// 选择器（pickerView）///////////////////////////////
+
+/** 设置 picker 的背景颜色 */
+@property (nullable, nonatomic, strong) UIColor *pickerColor;
+
+/** 设置 picker 中间两条分割线的背景颜色。暂不支持日期选择器前4种类型 */
+@property (nullable, nonatomic, strong) UIColor *separatorColor;
+
+/** 设置 picker 中间两条分割线的高度。暂不支持日期选择器前4种类型 */
+@property (nonatomic, assign) CGFloat separatorHeight;
+
+/** 设置 picker 文本的颜色。暂不支持日期选择器前4种类型 */
+@property (nullable, nonatomic, strong) UIColor *pickerTextColor;
+
+/** 设置 picker 文本的字体。暂不支持日期选择器前4种类型 */
+@property (nullable, nonatomic, strong) UIFont *pickerTextFont;
+
+/** 设置 picker 中间选中行的背景颜色。暂不支持日期选择器前4种类型 */
+@property (nullable, nonatomic, strong) UIColor *selectRowColor;
+
+/** 设置 picker 中间选中行文本的颜色。暂不支持日期选择器前4种类型 */
+@property (nullable, nonatomic, strong) UIColor *selectRowTextColor;
+
+/** 设置 picker 中间选中行文本的字体。暂不支持日期选择器前4种类型 */
+@property (nullable, nonatomic, strong) UIFont *selectRowTextFont;
+
+/** 设置 picker 的高度，系统默认高度为 216 */
+@property (nonatomic, assign) CGFloat pickerHeight;
+
+/** 设置 picker 的行高。暂不支持日期选择器前4种类型 */
+@property (nonatomic, assign) CGFloat rowHeight;
+
+/**
+ *  清除iOS14之后选择器默认自带的新样式。暂不支持日期选择器前4种类型
+ *  主要是：①隐藏中间选择行的背景样式，②清除默认的内边距，③新增中间选择行的两条分割线；与iOS14之前的样式保持一致），默认为 YES
+ */
+@property (nonatomic, assign) BOOL clearPickerNewStyle;
+
+
+/**
+ *  设置语言（不设置或为nil时，将随系统的语言自动改变）
+ *  language: zh-Hans（简体中文）、zh-Hant（繁体中文）、en（英语 ）
+ */
+@property(nullable, nonatomic, copy) NSString *language;
+
+
+/////// 日期选择器单位样式（showUnitType == BRShowUnitTypeOnlyCenter 时生效。暂不支持日期选择器前4种类型 ）///////
+
+/** 设置日期选择器单位文本的颜色 */
+@property (nullable, nonatomic, strong) UIColor *dateUnitTextColor;
+
+/** 设置日期选择器单位文本的字体 */
+@property (nullable, nonatomic, strong) UIFont *dateUnitTextFont;
+
+/** 设置日期选择器单位 label 的水平方向偏移量 */
+@property (nonatomic, assign) CGFloat dateUnitOffsetX;
+
+/** 设置日期选择器单位 label 的竖直方向偏移量 */
+@property (nonatomic, assign) CGFloat dateUnitOffsetY;
+
+
+//////////////////////////////// 常用的几种模板样式 ////////////////////////////////
+
+/// 弹框模板样式1 - 取消/确定按钮圆角样式
+/// @param themeColor 主题颜色
++ (instancetype)pickerStyleWithThemeColor:(nullable UIColor *)themeColor;
+
+/// 弹框模板样式2 - 顶部圆角样式 + 完成按钮
+/// @param doneTextColor 完成按钮标题的颜色
++ (instancetype)pickerStyleWithDoneTextColor:(nullable UIColor *)doneTextColor;
+
+/// 弹框模板样式3 - 顶部圆角样式 + 图标按钮
+/// @param doneBtnImage 完成按钮的 image
++ (instancetype)pickerStyleWithDoneBtnImage:(nullable UIImage *)doneBtnImage;
+
+
+//////////////////////////////// 以下是组件内部使用的几个封装方法 ////////////////////////////////
+
+/** 设置选择器中间选中行的样式 */
+- (void)setupPickerSelectRowStyle:(UIPickerView *)pickerView titleForRow:(NSInteger)row forComponent:(NSInteger)component;
+
+/** 添加选择器中间行上下两条分割线（iOS14之后系统默认去掉，需要手动添加）*/
+- (void)addSeparatorLineView:(UIView *)pickerView;
+
+/** 设置 view 的部分圆角 */
+// corners(枚举类型，可组合使用)：UIRectCornerTopLeft | UIRectCornerTopRight | UIRectCornerBottomLeft | UIRectCornerBottomRight | UIRectCornerAllCorners
++ (void)br_setView:(UIView *)view roundingCorners:(UIRectCorner)corners withRadius:(CGFloat)radius;
+
+@end
+
+NS_ASSUME_NONNULL_END

Pods/BRPickerView/BRPickerView/Base/BRPickerStyle.m

@@ -0,0 +1,494 @@
+//
+//  BRPickerStyle.m
+//  BRPickerViewDemo
+//
+//  Created by renbo on 2019/10/2.
+//  Copyright © 2019 irenb. All dones reserved.
+//
+//  最新代码下载地址：https://github.com/91renb/BRPickerView
+
+#import "BRPickerStyle.h"
+#import "NSBundle+BRPickerView.h"
+
+// 标题颜色
+#define kBRDefaultTextColor BR_RGB_HEX(0x333333, 1.0f)
+
+@implementation BRPickerStyle
+
+- (instancetype)init {
+    if (self = [super init]) {
+        self.clearPickerNewStyle = YES;
+    }
+    return self;
+}
+
+/// 设置默认样式
+
+- (UIColor *)maskColor {
+    if (!_maskColor) {
+        _maskColor = [self br_colorWithLightColor:BR_RGB_HEX(0x000000, 0.3f) darkColor:BR_RGB_HEX(0x666666, 0.3f)];
+    }
+    return _maskColor;
+}
+
+- (UIColor *)shadowLineColor {
+    if (!_shadowLineColor) {
+        if (@available(iOS 13.0, *)) {
+            // 边框线颜色，有透明度
+            _shadowLineColor = [UIColor separatorColor];
+        } else {
+            _shadowLineColor = BR_RGB_HEX(0xc6c6c8, 1.0f);
+        }
+    }
+    return _shadowLineColor;
+}
+
+- (CGFloat)shadowLineHeight {
+    if (_shadowLineHeight <= 0 || _shadowLineHeight > 5.0f) {
+        _shadowLineHeight = 0.5f;
+    }
+    return _shadowLineHeight;
+}
+
+- (CGFloat)paddingBottom {
+    if (_paddingBottom <= 0) {
+        _paddingBottom = BR_BOTTOM_MARGIN;
+    }
+    return _paddingBottom;
+}
+
+- (UIColor *)titleBarColor {
+    if (!_titleBarColor) {
+        if (@available(iOS 13.0, *)) {
+            // #ffffff(正常)、#1c1c1e(深色)
+            _titleBarColor = [UIColor secondarySystemGroupedBackgroundColor];
+        } else {
+            _titleBarColor = [UIColor whiteColor];
+        }
+    }
+    return _titleBarColor;
+}
+
+- (CGFloat)titleBarHeight {
+    if (!self.hiddenTitleBarView) {
+        if (_titleBarHeight < 44.0f && (!self.hiddenCancelBtn || !self.hiddenDoneBtn || !self.hiddenTitleLabel)) {
+            _titleBarHeight = 44.0f;
+        }
+    } else {
+        _titleBarHeight = 0;
+    }
+    return _titleBarHeight;
+}
+
+- (UIColor *)titleLineColor {
+    if (!_titleLineColor) {
+        _titleLineColor = [self br_colorWithLightColor:BR_RGB_HEX(0xededee, 1.0f) darkColor:BR_RGB_HEX(0x18181c, 1.0f)];
+    }
+    return _titleLineColor;
+}
+
+- (UIColor *)cancelColor {
+    if (!_cancelColor) {
+        _cancelColor = [UIColor clearColor];
+    }
+    return _cancelColor;
+}
+
+- (UIColor *)cancelTextColor {
+    if (!_cancelTextColor) {
+        if (@available(iOS 13.0, *)) {
+            _cancelTextColor = [UIColor labelColor];
+        } else {
+            _cancelTextColor = kBRDefaultTextColor;
+        }
+    }
+    return _cancelTextColor;
+}
+
+- (UIFont *)cancelTextFont {
+    if (!_cancelTextFont) {
+        _cancelTextFont = [UIFont systemFontOfSize:16.0f];
+    }
+    return _cancelTextFont;
+}
+
+- (NSString *)cancelBtnTitle {
+    if (!_cancelBtnTitle && !_cancelBtnImage) {
+        _cancelBtnTitle = [NSBundle br_localizedStringForKey:@"取消" language:self.language];
+    }
+    return _cancelBtnTitle;
+}
+
+- (CGRect)cancelBtnFrame {
+    if (CGRectEqualToRect(_cancelBtnFrame, CGRectZero) || _cancelBtnFrame.size.height == 0) {
+        _cancelBtnFrame = CGRectMake(5, 8, 60, 28);
+    }
+    return _cancelBtnFrame;
+}
+
+- (UIColor *)titleLabelColor {
+    if (!_titleLabelColor) {
+        _titleLabelColor = [UIColor clearColor];
+    }
+    return _titleLabelColor;
+}
+
+- (UIColor *)titleTextColor {
+    if (!_titleTextColor) {
+        if (@available(iOS 13.0, *)) {
+            _titleTextColor = [UIColor secondaryLabelColor];
+        } else {
+            _titleTextColor = BR_RGB_HEX(0x999999, 1.0f);
+        }
+    }
+    return _titleTextColor;
+}
+
+- (UIFont *)titleTextFont {
+    if (!_titleTextFont) {
+        _titleTextFont = [UIFont systemFontOfSize:15.0f];
+    }
+    return _titleTextFont;
+}
+
+- (CGRect)titleLabelFrame {
+    if (CGRectEqualToRect(_titleLabelFrame, CGRectZero) || _titleLabelFrame.size.height == 0) {
+        _titleLabelFrame = CGRectMake(5 + 60 + 2, 0, BRGetKeyWindow().bounds.size.width - 2 * (5 + 60 + 2), 44);
+    }
+    return _titleLabelFrame;
+}
+
+- (UIColor *)doneColor {
+    if (!_doneColor) {
+        _doneColor = [UIColor clearColor];
+    }
+    return _doneColor;
+}
+
+- (UIColor *)doneTextColor {
+    if (!_doneTextColor) {
+        if (@available(iOS 13.0, *)) {
+            _doneTextColor = [UIColor labelColor];
+        } else {
+            _doneTextColor = kBRDefaultTextColor;
+        }
+    }
+    return _doneTextColor;
+}
+
+- (UIFont *)doneTextFont {
+    if (!_doneTextFont) {
+        _doneTextFont = [UIFont systemFontOfSize:16.0f];
+    }
+    return _doneTextFont;
+}
+
+- (NSString *)doneBtnTitle {
+    if (!_doneBtnTitle && !_doneBtnImage) {
+        _doneBtnTitle = [NSBundle br_localizedStringForKey:@"确定" language:self.language];
+    }
+    return _doneBtnTitle;
+}
+
+- (CGRect)doneBtnFrame {
+    if (CGRectEqualToRect(_doneBtnFrame, CGRectZero) || _doneBtnFrame.size.height == 0) {
+        _doneBtnFrame = CGRectMake(BRGetKeyWindow().bounds.size.width - 60 - 5, 8, 60, 28);
+    }
+    return _doneBtnFrame;
+}
+
+- (UIColor *)pickerColor {
+    if (!_pickerColor) {
+        if (@available(iOS 13.0, *)) {
+            // #ffffff(正常)、#1c1c1e(深色)
+            _pickerColor = [UIColor secondarySystemGroupedBackgroundColor];
+        } else {
+            _pickerColor = [UIColor whiteColor];
+        }
+    }
+    return _pickerColor;
+}
+
+- (UIColor *)separatorColor {
+    if (!_separatorColor) {
+        if (@available(iOS 13.0, *)) {
+            // 分割线颜色，无透明度
+            _separatorColor = [UIColor opaqueSeparatorColor];
+        } else {
+            _separatorColor = BR_RGB_HEX(0xc6c6c8, 1.0f);
+        }
+    }
+    return _separatorColor;
+}
+
+- (UIColor *)pickerTextColor {
+    if (!_pickerTextColor) {
+        if (@available(iOS 13.0, *)) {
+            _pickerTextColor = [UIColor labelColor];
+        } else {
+            _pickerTextColor = kBRDefaultTextColor;
+        }
+    }
+    return _pickerTextColor;
+}
+
+- (UIFont *)pickerTextFont {
+    if (!_pickerTextFont) {
+        _pickerTextFont = [UIFont systemFontOfSize:18.0f];
+    }
+    return _pickerTextFont;
+}
+
+- (CGFloat)pickerHeight {
+    if (_pickerHeight < 40) {
+        _pickerHeight = 216.0f;
+    }
+    return _pickerHeight;
+}
+
+- (CGFloat)rowHeight {
+    if (_rowHeight < 20) {
+        _rowHeight = 35.0f;
+    }
+    return _rowHeight;
+}
+
+- (NSString *)language {
+    if (!_language) {
+        // 跟随系统的首选语言自动改变
+        // zh-Hans-CN(简体中文)、zh-Hant-CN(繁体中文)、en-CN(美式英语)、en-GB(英式英语)
+        // 其中`CN`是iOS9以后新增的地区代码，如：CN 代表中国，US 代表美国
+        _language = [NSLocale preferredLanguages].firstObject;
+    }
+    return _language;
+}
+
+- (UIColor *)dateUnitTextColor {
+    if (!_dateUnitTextColor) {
+        if (@available(iOS 13.0, *)) {
+            _dateUnitTextColor = [UIColor labelColor];
+        } else {
+            _dateUnitTextColor = kBRDefaultTextColor;
+        }
+    }
+    return _dateUnitTextColor;
+}
+
+- (UIFont *)dateUnitTextFont {
+    if (!_dateUnitTextFont) {
+        _dateUnitTextFont = [UIFont systemFontOfSize:18.0f];
+    }
+    return _dateUnitTextFont;
+}
+
+#pragma mark - 创建自定义动态颜色（适配深色模式）
+- (UIColor *)br_colorWithLightColor:(UIColor *)lightColor darkColor:(UIColor *)darkColor {
+    if (@available(iOS 13.0, *)) {
+        UIColor *dyColor = [UIColor colorWithDynamicProvider:^UIColor * _Nonnull(UITraitCollection * _Nonnull traitCollection) {
+            if ([traitCollection userInterfaceStyle] == UIUserInterfaceStyleLight) {
+                return lightColor;
+            } else {
+                return darkColor;
+            }
+        }];
+        return dyColor;
+    } else {
+        return lightColor;
+    }
+}
+
+#pragma mark - 弹框模板样式1 - 取消/确定按钮圆角样式
++ (instancetype)pickerStyleWithThemeColor:(UIColor *)themeColor {
+    BRPickerStyle *customStyle = [[self alloc]init];
+    if (themeColor) {
+        customStyle.cancelTextColor = themeColor;
+        customStyle.cancelBorderStyle = BRBorderStyleSolid;
+        customStyle.doneColor = themeColor;
+        customStyle.doneTextColor = [UIColor whiteColor];
+        customStyle.doneBorderStyle = BRBorderStyleFill;
+    }
+    return customStyle;
+}
+
+#pragma mark - 弹框模板样式2 - 顶部圆角样式 + 完成按钮
++ (instancetype)pickerStyleWithDoneTextColor:(UIColor *)doneTextColor {
+    BRPickerStyle *customStyle = [[self alloc]init];
+    if (doneTextColor) {
+        customStyle.topCornerRadius = 16.0f;
+        customStyle.hiddenCancelBtn = YES;
+        customStyle.hiddenTitleLine = YES;
+        customStyle.titleLabelFrame = CGRectMake(20, 4, 100, 40);
+        customStyle.doneTextColor = doneTextColor;
+        customStyle.doneTextFont = [UIFont boldSystemFontOfSize:18.0f];
+        customStyle.doneBtnFrame = CGRectMake(BRGetKeyWindow().bounds.size.width - 60, 4, 60, 40);
+        customStyle.doneBtnTitle = [NSBundle br_localizedStringForKey:@"完成" language:customStyle.language];
+        customStyle.selectRowTextColor = doneTextColor;
+        customStyle.selectRowTextFont = [UIFont boldSystemFontOfSize:20.0f];
+    }
+    return customStyle;
+}
+
+#pragma mark - 弹框模板样式3 - 顶部圆角样式 + 图标按钮
++ (instancetype)pickerStyleWithDoneBtnImage:(UIImage *)doneBtnImage {
+    BRPickerStyle *customStyle = [[self alloc]init];
+    if (doneBtnImage) {
+        customStyle.topCornerRadius = 16.0f;
+        customStyle.hiddenTitleLine = YES;
+        customStyle.hiddenCancelBtn = YES;
+        customStyle.titleLabelFrame = CGRectMake(20, 4, 100, 40);
+        customStyle.doneBtnImage = doneBtnImage;
+        customStyle.doneBtnFrame = CGRectMake(BRGetKeyWindow().bounds.size.width - 44, 4, 40, 40);
+    }
+    return customStyle;
+}
+
+
+#pragma mark - 设置选择器中间选中行的样式
+- (void)setupPickerSelectRowStyle:(UIPickerView *)pickerView titleForRow:(NSInteger)row forComponent:(NSInteger)component {
+    // 1.设置分割线的颜色
+    NSString *systemVersion = [UIDevice currentDevice].systemVersion;
+    if (systemVersion.doubleValue < 14.0) {
+        for (UIView *subView in pickerView.subviews) {
+            if (subView && [subView isKindOfClass:[UIView class]] && subView.frame.size.height <= 1) {
+                subView.backgroundColor = self.separatorColor;
+                // 设置分割线高度
+                if (self.separatorHeight > 0) {
+                    CGRect rect = subView.frame;
+                    rect.size.height = self.separatorHeight;
+                    subView.frame = rect;
+                }
+            }
+        }
+    }
+    
+    // 2.设置选择器中间选中行的背景颜色
+    UIView *contentView = nil;
+    NSArray *subviews = pickerView.subviews;
+    if (subviews.count > 0) {
+        id firstView = subviews.firstObject;
+        if (firstView && [firstView isKindOfClass:[UIView class]]) {
+            contentView = (UIView *)firstView;
+        }
+    }
+    if (self.selectRowColor) {
+        UIView *columnView = nil;
+        if (contentView) {
+            id obj = [contentView valueForKey:@"subviewCache"];
+            if (obj && [obj isKindOfClass:[NSArray class]]) {
+                NSArray *columnViews = (NSArray *)obj;
+                if (columnViews.count > 0) {
+                    id columnObj = columnViews.firstObject;
+                    if (columnObj && [columnObj isKindOfClass:[UIView class]]) {
+                        columnView = (UIView *)columnObj;
+                    }
+                }
+            }
+        }
+        if (columnView) {
+            id obj = [columnView valueForKey:@"middleContainerView"];
+            if (obj && [obj isKindOfClass:[UIView class]]) {
+                UIView *selectRowView = (UIView *)obj;
+                // 中间选中行的背景颜色
+                selectRowView.backgroundColor = self.selectRowColor;
+            }
+        }
+    }
+    
+    if (contentView && self.clearPickerNewStyle) {
+        if (systemVersion.doubleValue >= 14.0) {
+            // ①隐藏中间选择行的背景样式
+            id lastView = subviews.lastObject;
+            if (lastView && [lastView isKindOfClass:[UIView class]]) {
+                UIView *rectBgView = (UIView *)lastView;
+                rectBgView.hidden = YES;
+            }
+            
+            // ②清除iOS14上选择器默认的内边距
+            if (systemVersion.doubleValue < 15.0f) {
+                [self setPickerAllSubViewsStyle:contentView];
+            }
+        }
+    }
+    
+    // 3.设置选择器中间选中行的字体颜色/字体大小
+    if (self.selectRowTextColor || self.selectRowTextFont) {
+        dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(0 * NSEC_PER_SEC)), dispatch_get_main_queue(), ^{
+            // 当前选中的 label
+            UILabel *selectLabel = (UILabel *)[pickerView viewForRow:row forComponent:component];
+            if (selectLabel) {
+                if (self.selectRowTextColor) {
+                    selectLabel.textColor = self.selectRowTextColor;
+                }
+                if (self.selectRowTextFont) {
+                    selectLabel.font = self.selectRowTextFont;
+                }
+            }
+        });
+    }
+}
+
+// 遍历子视图，重新设置 frame（清空在 iOS14 上 UIPickerView 出现的内边距）
+- (void)setPickerAllSubViewsStyle:(UIView *)view {
+    NSArray *subViews = view.subviews;
+    if (subViews.count == 0 || [view isKindOfClass:[UILabel class]]) return;
+    for (UIView *subView in subViews) {
+        NSString *className = NSStringFromClass([subView class]);
+        if ([className isEqualToString:@"UIPickerColumnView"]) {
+            CGRect rect = subView.frame;
+            rect.origin.x = 0;
+            rect.size.width = view.bounds.size.width;
+            subView.frame = rect;
+        }
+        NSString *superClassName = NSStringFromClass([view class]);
+        if ([superClassName isEqualToString:@"UIPickerColumnView"]) {
+            CGRect rect = subView.frame;
+            rect.size.width = view.bounds.size.width;
+            subView.frame = rect;
+        }
+        if ([subView isKindOfClass:[UILabel class]]) {
+            CGRect rect = subView.frame;
+            rect.origin.x = 10;
+            subView.frame = rect;
+        }
+        
+        [self setPickerAllSubViewsStyle:subView];
+    }
+}
+
+#pragma mark - 添加选择器中间行上下两条分割线（iOS14之后系统默认去掉，需要手动添加）
+- (void)addSeparatorLineView:(UIView *)pickerView {
+    if ([UIDevice currentDevice].systemVersion.doubleValue >= 14.0) {
+        UIView *topLineView = [[UIView alloc]initWithFrame:CGRectMake(0, pickerView.bounds.size.height / 2 - self.rowHeight / 2, pickerView.bounds.size.width, 0.5f)];
+        topLineView.autoresizingMask = UIViewAutoresizingFlexibleBottomMargin | UIViewAutoresizingFlexibleRightMargin | UIViewAutoresizingFlexibleWidth;
+        topLineView.backgroundColor = self.separatorColor;
+        // 设置分割线高度
+        if (self.separatorHeight > 0) {
+            CGRect topRect = topLineView.frame;
+            topRect.size.height = self.separatorHeight;
+            topLineView.frame = topRect;
+        }
+        [pickerView addSubview:topLineView];
+        
+        UIView *bottomLineView = [[UIView alloc]initWithFrame:CGRectMake(0, pickerView.bounds.size.height / 2 + self.rowHeight / 2, pickerView.bounds.size.width, 0.5f)];
+        bottomLineView.autoresizingMask = UIViewAutoresizingFlexibleBottomMargin | UIViewAutoresizingFlexibleRightMargin | UIViewAutoresizingFlexibleWidth;
+        bottomLineView.backgroundColor = self.separatorColor;
+        // 设置分割线高度
+        if (self.separatorHeight > 0) {
+            CGRect bottomRect = bottomLineView.frame;
+            bottomRect.size.height = self.separatorHeight;
+            bottomLineView.frame = bottomRect;
+        }
+        [pickerView addSubview:bottomLineView];
+    }
+}
+
+#pragma mark - 设置 view 的部分圆角
+// corners(枚举类型，可组合使用)：UIRectCornerTopLeft | UIRectCornerTopRight | UIRectCornerBottomLeft | UIRectCornerBottomRight | UIRectCornerAllCorners
++ (void)br_setView:(UIView *)view roundingCorners:(UIRectCorner)corners withRadius:(CGFloat)radius {
+    UIBezierPath *rounded = [UIBezierPath bezierPathWithRoundedRect:view.bounds byRoundingCorners:corners cornerRadii:CGSizeMake(radius, radius)];
+    CAShapeLayer *shape = [[CAShapeLayer alloc]init];
+    [shape setPath:rounded.CGPath];
+    view.layer.mask = shape;
+}
+
+@end

Pods/BRPickerView/BRPickerView/Base/BRPickerView.bundle/en.lproj/Localizable.strings

@@ -0,0 +1,35 @@
+/* 
+  Localizable.strings
+  BRPickerViewDemo
+
+  Created by renbo on 2019/10/30.
+  Copyright © 2019 irenb. All rights reserved.
+*/
+
+"确定" = "OK";
+"取消" = "Cancel";
+"完成" = "Done";
+
+"年" = " ";
+"月" = " ";
+"日" = " ";
+"时" = " ";
+"分" = " ";
+"秒" = " ";
+
+"周" = " ";
+"季度" = " ";
+
+"上午" = "AM";
+"下午" = "PM";
+
+"至今" = " Now";
+"今天" = " Today";
+
+"周一" = " Mon";
+"周二" = " Tue";
+"周三" = " Wed";
+"周四" = " Thu";
+"周五" = " Fri";
+"周六" = " Sat";
+"周日" = " Sun";

Pods/BRPickerView/BRPickerView/Base/BRPickerView.bundle/zh-Hans.lproj/Localizable.strings

@@ -0,0 +1,35 @@
+/* 
+  Localizable.strings
+  BRPickerViewDemo
+
+  Created by renbo on 2019/10/30.
+  Copyright © 2019 irenb. All rights reserved.
+*/
+
+"确定" = "确定";
+"取消" = "取消";
+"完成" = "完成";
+
+"年" = "年";
+"月" = "月";
+"日" = "日";
+"时" = "时";
+"分" = "分";
+"秒" = "秒";
+
+"周" = "周";
+"季度" = "季度";
+
+"上午" = "上午";
+"下午" = "下午";
+
+"至今" = "至今";
+"今天" = "今天";
+
+"周一" = "周一";
+"周二" = "周二";
+"周三" = "周三";
+"周四" = "周四";
+"周五" = "周五";
+"周六" = "周六";
+"周日" = "周日";

Pods/BRPickerView/BRPickerView/Base/BRPickerView.bundle/zh-Hant.lproj/Localizable.strings

@@ -0,0 +1,35 @@
+/* 
+  Localizable.strings
+  BRPickerViewDemo
+
+  Created by renbo on 2019/10/30.
+  Copyright © 2019 irenb. All rights reserved.
+*/
+
+"确定" = "確定";
+"取消" = "取消";
+"完成" = "完成";
+
+"年" = "年";
+"月" = "月";
+"日" = "日";
+"时" = "時";
+"分" = "分";
+"秒" = "秒";
+
+"周" = "周";
+"季度" = "季度";
+
+"上午" = "上午";
+"下午" = "下午";
+
+"至今" = "至今";
+"今天" = "今天";
+
+"周一" = "周壹";
+"周二" = "周二";
+"周三" = "周三";
+"周四" = "周四";
+"周五" = "周五";
+"周六" = "周六";
+"周日" = "周日";

Pods/BRPickerView/BRPickerView/Base/BRPickerViewMacro.h

@@ -0,0 +1,87 @@
+//
+//  BRPickerViewMacro.h
+//  BRPickerViewDemo
+//
+//  Created by renbo on 2018/4/23.
+//  Copyright © 2018 irenb. All rights reserved.
+//
+//  最新代码下载地址：https://github.com/91renb/BRPickerView
+
+#ifndef BRPickerViewMacro_h
+#define BRPickerViewMacro_h
+
+#import <UIKit/UIKit.h>
+
+// 屏幕安全区域下边距
+#define BR_BOTTOM_MARGIN \
+({CGFloat safeBottomHeight = 0;\
+if (@available(iOS 11.0, *)) {\
+safeBottomHeight = BRGetKeyWindow().safeAreaInsets.bottom;\
+}\
+(safeBottomHeight);})
+
+
+// 静态库中编写 Category 时的便利宏，用于解决 Category 方法从静态库中加载需要特别设置的问题
+#ifndef BRSYNTH_DUMMY_CLASS
+
+#define BRSYNTH_DUMMY_CLASS(_name_) \
+@interface BRSYNTH_DUMMY_CLASS_ ## _name_ : NSObject @end \
+@implementation BRSYNTH_DUMMY_CLASS_ ## _name_ @end
+
+#endif
+
+
+// 打印错误日志
+#ifdef DEBUG
+    #define BRErrorLog(...) NSLog(@"reason: %@", [NSString stringWithFormat:__VA_ARGS__])
+#else
+    #define BRErrorLog(...)
+#endif
+
+
+/** RGB颜色(16进制) */
+static inline UIColor *BR_RGB_HEX(uint32_t rgbValue, CGFloat alpha) {
+    return [UIColor colorWithRed:((CGFloat)((rgbValue & 0xFF0000) >> 16)) / 255.0
+                           green:((CGFloat)((rgbValue & 0xFF00) >> 8)) / 255.0
+                            blue:((CGFloat)(rgbValue & 0xFF)) / 255.0
+                           alpha:(alpha)];
+}
+
+
+/** 获取 keyWindow */
+static inline UIWindow *BRGetKeyWindow(void) {
+    UIWindow *keyWindow = nil;
+#if __IPHONE_OS_VERSION_MAX_ALLOWED >= 130000 // 编译时检查SDK版本（兼容不同版本的Xcode，防止编译报错）
+    if (@available(iOS 13.0, *)) { // 运行时检查系统版本（兼容不同版本的系统，防止运行报错）
+        NSSet<UIScene *> *connectedScenes = [UIApplication sharedApplication].connectedScenes;
+        for (UIScene *scene in connectedScenes) {
+            if (scene.activationState == UISceneActivationStateForegroundActive && [scene isKindOfClass:[UIWindowScene class]]) {
+                UIWindowScene *windowScene = (UIWindowScene *)scene;
+                for (UIWindow *window in windowScene.windows) {
+                    if (window.isKeyWindow) {
+                        keyWindow = window;
+                        break;
+                    }
+                }
+            }
+        }
+    }
+#endif
+        
+    if (!keyWindow) {
+        keyWindow = [UIApplication sharedApplication].windows.firstObject;
+        if (!keyWindow.isKeyWindow) {
+#if __IPHONE_OS_VERSION_MIN_REQUIRED < 130000
+            UIWindow *window = [UIApplication sharedApplication].keyWindow;
+            if (CGRectEqualToRect(window.bounds, UIScreen.mainScreen.bounds)) {
+                keyWindow = window;
+            }
+#endif
+        }
+    }
+    
+    return keyWindow;
+}
+
+
+#endif /* BRPickerViewMacro_h */

Pods/BRPickerView/BRPickerView/Base/NSBundle+BRPickerView.h

@@ -0,0 +1,26 @@
+//
+//  NSBundle+BRPickerView.h
+//  BRPickerViewDemo
+//
+//  Created by renbo on 2019/10/30.
+//  Copyright © 2019 irenb. All rights reserved.
+//
+//  最新代码下载地址：https://github.com/91renb/BRPickerView
+
+#import <Foundation/Foundation.h>
+
+NS_ASSUME_NONNULL_BEGIN
+
+@interface NSBundle (BRPickerView)
+
+/// 获取 BRPickerView.bundle
++ (instancetype)br_pickerBundle;
+
+/// 获取国际化后的文本
+/// @param key 代表 Localizable.strings 文件中 key-value 中的 key。
+/// @param language 设置语言（可为空，为nil时将随系统的语言自动改变）
++ (NSString *)br_localizedStringForKey:(NSString *)key language:(NSString *)language;
+
+@end
+
+NS_ASSUME_NONNULL_END

Pods/BRPickerView/BRPickerView/Base/NSBundle+BRPickerView.m

@@ -0,0 +1,68 @@
+//
+//  NSBundle+BRPickerView.m
+//  BRPickerViewDemo
+//
+//  Created by renbo on 2019/10/30.
+//  Copyright © 2019 irenb. All rights reserved.
+//
+//  最新代码下载地址：https://github.com/91renb/BRPickerView
+
+#import "NSBundle+BRPickerView.h"
+#import "BRBaseView.h"
+
+BRSYNTH_DUMMY_CLASS(NSBundle_BRPickerView)
+
+@implementation NSBundle (BRPickerView)
+
+#pragma mark - 获取 BRPickerView.bundle
++ (instancetype)br_pickerBundle {
+    static NSBundle *pickerBundle = nil;
+    if (!pickerBundle) {
+        /*
+            先拿到最外面的 bundle。
+            对 framework 链接方式来说就是 framework 的 bundle 根目录，
+            对静态库链接方式来说就是 target client 的 main bundle，
+            然后再去找下面名为 BRPickerView 的 bundle 对象。
+         */
+        NSBundle *bundle = [NSBundle bundleForClass:[BRBaseView class]];
+        NSURL *url = [bundle URLForResource:@"BRPickerView" withExtension:@"bundle"];
+        pickerBundle = [NSBundle bundleWithURL:url];
+    }
+    return pickerBundle;
+}
+
+#pragma mark - 获取国际化后的文本
++ (NSString *)br_localizedStringForKey:(NSString *)key language:(NSString *)language {
+    return [self br_localizedStringForKey:key value:nil language:language];
+}
+
++ (NSString *)br_localizedStringForKey:(NSString *)key value:(NSString *)value language:(NSString *)language {
+    static NSBundle *bundle = nil;
+    if (!bundle) {
+        // 如果没有手动设置语言，将随系统的语言自动改变
+        if (!language) {
+            // 系统首选语言
+            language = [NSLocale preferredLanguages].firstObject;
+        }
+        
+        if ([language hasPrefix:@"en"]) {
+            language = @"en";
+        } else if ([language hasPrefix:@"zh"]) {
+            if ([language rangeOfString:@"Hans"].location != NSNotFound) {
+                language = @"zh-Hans"; // 简体中文
+            } else { // zh-Hant、zh-HK、zh-TW
+                language = @"zh-Hant"; // 繁體中文
+            }
+        } else {
+            language = @"en";
+        }
+        
+        // 从 BRPickerView.bundle 中查找资源
+        bundle = [NSBundle bundleWithPath:[[self br_pickerBundle] pathForResource:language ofType:@"lproj"]];
+    }
+    value = [bundle localizedStringForKey:key value:value table:nil];
+    
+    return [[NSBundle mainBundle] localizedStringForKey:key value:value table:nil];
+}
+
+@end