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CustomKeyboard/View/KBKeyButton.m

@@ -0,0 +1,36 @@
+//
+//  KBKeyButton.m
+//  CustomKeyboard
+//
+
+#import "KBKeyButton.h"
+#import "KBKey.h"
+
+@implementation KBKeyButton
+
+- (instancetype)initWithFrame:(CGRect)frame {
+    if (self = [super initWithFrame:frame]) {
+        [self applyDefaultStyle];
+    }
+    return self;
+}
+
+- (void)applyDefaultStyle {
+    self.titleLabel.font = [UIFont systemFontOfSize:18 weight:UIFontWeightSemibold]; // 字体样式
+    [self setTitleColor:[UIColor blackColor] forState:UIControlStateNormal];
+    [self setTitleColor:[UIColor blackColor] forState:UIControlStateHighlighted];
+    self.backgroundColor = [UIColor whiteColor];
+    self.layer.cornerRadius = 6.0;      // 圆角
+    self.layer.masksToBounds = NO;
+    self.layer.shadowColor = [UIColor colorWithWhite:0 alpha:0.1].CGColor; // 阴影效果
+    self.layer.shadowOpacity = 1.0;
+    self.layer.shadowOffset = CGSizeMake(0, 1);
+    self.layer.shadowRadius = 1.5;
+}
+
+- (void)setHighlighted:(BOOL)highlighted {
+    [super setHighlighted:highlighted];
+    self.alpha = highlighted ? 0.7 : 1.0; // 简单按压反馈
+}
+
+@end