弹框支持显示一个按钮

xplan-ios/Base/UI/TTPopup/Config/TTAlertConfig.h

@@ -13,8 +13,16 @@
 
 NS_ASSUME_NONNULL_BEGIN
 
-@interface TTAlertConfig : NSObject
 
+typedef NS_ENUM(NSUInteger, TTAlertActionStyle) {
+	TTAlertActionConfirmStyle = 0, // 只有确定按钮
+	TTAlertActionCancelStyle = 1, // 只有取消按钮
+	TTAlertActionBothStyle = 2, // 全部按钮
+};
+
+@interface TTAlertConfig : NSObject
+// 按钮显示风格
+@property (nonatomic, assign) TTAlertActionStyle actionStyle;
 // 容器背景设置
 @property (nonatomic, strong) UIColor *backgroundColor;
 

xplan-ios/Base/UI/TTPopup/Config/TTAlertConfig.m

@@ -30,6 +30,8 @@ static CGFloat kAlertButtonCornerRadius = 8.f;
         kAlertTitleFont = 16.f;
         kAlertCornerRadius = 14.f;
         kAlertButtonCornerRadius = 19.f;
+		
+		_actionStyle = TTAlertActionBothStyle;
         
         // title
         _title = @"";// 标题

xplan-ios/Base/UI/TTPopup/View/TTAlertView.m

@@ -21,6 +21,7 @@ static CGFloat const kBtnHeight = 38.f;
 @property (nonatomic, strong) UILabel *messageLabel;    // 内容
 @property (nonatomic, strong) UIButton *cancelButton;   // 取消按钮
 @property (nonatomic, strong) UIButton *confirmButton;  // 确认按钮
+@property (nonatomic, strong) UIStackView *stackView;
 
 @end
 
@@ -39,8 +40,9 @@ static CGFloat const kBtnHeight = 38.f;
 - (void)initViews {
     [self addSubview:self.titleLabel];
     [self addSubview:self.messageLabel];
-    [self addSubview:self.cancelButton];
-    [self addSubview:self.confirmButton];
+	[self addSubview:self.stackView];
+	[self.stackView addSubview:self.cancelButton];
+	[self.stackView addSubview:self.confirmButton];
 }
 
 - (void)initConstraints {
@@ -55,19 +57,20 @@ static CGFloat const kBtnHeight = 38.f;
         make.left.right.mas_equalTo(self).inset(kPadding);
     }];
     
-    [self.cancelButton mas_makeConstraints:^(MASConstraintMaker *make) {
-        make.height.mas_equalTo(kBtnHeight);
-        make.right.mas_equalTo(self.mas_centerX).offset(-8);
-        make.left.mas_equalTo(kPadding);
-        make.bottom.mas_equalTo(-kPadding);
-    }];
-    
-    [self.confirmButton mas_makeConstraints:^(MASConstraintMaker *make) {
-        make.height.mas_equalTo(kBtnHeight);
-        make.left.mas_equalTo(self.mas_centerX).offset(8);
-        make.right.mas_equalTo(-kPadding);
-        make.bottom.mas_equalTo(-kPadding);
-    }];
+	[self.stackView mas_makeConstraints:^(MASConstraintMaker *make) {
+		make.bottom.mas_equalTo(-kPadding);
+		make.centerX.mas_equalTo(self);
+	}];
+	
+	[self.cancelButton mas_makeConstraints:^(MASConstraintMaker *make) {
+		make.height.mas_equalTo(kBtnHeight);
+		make.width.mas_equalTo(self.mas_width).multipliedBy(0.4);
+	}];
+	
+	[self.confirmButton mas_makeConstraints:^(MASConstraintMaker *make) {
+		make.height.mas_equalTo(kBtnHeight);
+		make.width.mas_equalTo(self.mas_width).multipliedBy(0.4);
+	}];
 }
 
 #pragma mark - Button Events
@@ -138,6 +141,9 @@ static CGFloat const kBtnHeight = 38.f;
     _titleLabel.textColor = config.titleColor;
     _titleLabel.font = config.titleFont;
     
+	self.cancelButton.hidden = config.actionStyle == TTAlertActionConfirmStyle;
+	self.confirmButton.hidden = config.actionStyle == TTAlertActionCancelStyle;
+	
     // cancel button
     [_cancelButton setTitle:config.cancelButtonConfig.title forState:UIControlStateNormal];
     [_cancelButton setTitleColor:config.cancelButtonConfig.titleColor forState:UIControlStateNormal];
@@ -227,4 +233,15 @@ static CGFloat const kBtnHeight = 38.f;
     return _confirmButton;
 }
 
+- (UIStackView *)stackView {
+	if (!_stackView) {
+		_stackView = [[UIStackView alloc] initWithArrangedSubviews:@[self.cancelButton, self.confirmButton]];
+		_stackView.distribution = UIStackViewDistributionFillEqually;
+		_stackView.alignment = UIStackViewAlignmentCenter;
+		_stackView.spacing = 16;
+	}
+	return _stackView;
+}
+
+
 @end