1.UILabel常用属性:
@property (nonatomic, copy) NSString *text;
//显示的文字
@property (nonatomic, retain) UIFont *font;
//字体
@property (nonatomic, retain) UIColor *color;
//文字颜色
@property (nonatomic) NSTextAlignment *textAlignment;
//对齐方式(左对齐、右对齐、居中对齐、两端对齐等)
@property (nonatomic) NSInteger numberOfLines;
//文字行数(设置为0时是自动换行)
@property (nonatomic) NSLineBreakMode lineBreakMode;
//显示(换行及省略)模式
2.UIImageView的显示模式(UIViewContentMode)
UIViewContentModeScaleToFill, //Scale To Fill 拉伸填充,充满整个view
UIViewContentModeScaleAspectFit, //Aspect Fit 维持原比例,自适应填充不超过边框
UIViewContentModeScaleAspectFill, //Aspect Fill 维持原比例,完全填满view
UIViewContentModeRedraw, //Redraw 重新绘制(drawRect)
UIViewContentModeCenter, //Center 居中
UIViewContentModeTop, //Top/Bottom/Left/Right:顶部/底部/左边/右边对齐
UIViewContentModeBottom,
UIViewContentModeLeft,
UIViewContentModeRight,
UIViewContentModeTopLeft, //TopLeft/TopRight/BottomLeft/BottomRight:四角对齐
UIViewContentModeTopRight,
UIViewContentModeBottomLeft,
UIViewContentModeBottomRight,
3.将子控件填充满整个父控件最简单的办法:
view2.frame = view1.bounds;
[view1 addSubview:view2];
因为bounds = CGRectMake(0,0,width.height)
4.设置毛玻璃效果的方法:使用UIToolbar对象(自带毛玻璃效果)
使用UIToolbar控件覆盖需要毛玻璃效果的区域