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//一行代码实现自适应 UIlable 的宽度效果:
#import"UILabel+Extension.h"
- (void)viewDidLoad {
[superviewDidLoad];
//直接引用分类功能
[UILabelcreateLabelWithContent:@"10011111111110"addView:self.viewlableX:10lableY:111lableH:30fontSize:16backgroundColor:[UIColorredColor]textColor:[UIColorblueColor]borderColor:[UIColoryellowColor]];
}
//************************ 以前一行代码实现 *************************
+ (instancetype)createLabelWithContent:(NSString*)content addView:(UIView*)view lableX:(CGFloat)lableX lableY:(CGFloat)lableY lableH:(CGFloat)lableH fontSize:(CGFloat)fontSize backgroundColor:(UIColor*)backgroundColor textColor:(UIColor*)textColor borderColor:(UIColor*)borderColor{
NSString*string = [NSStringstringWithFormat:@"%@",content];
CGRecttextRect = [selfboundingString:stringsize:CGSizeMake([UIScreenmainScreen].bounds.size.width, [UIScreenmainScreen].bounds.size.height*2)fontSize:fontSize];
CGFloatrowWidth =0.0;
if(string.length==1) {
rowWidth = textRect.size.width+35;
}else{
rowWidth = textRect.size.width+25;
}
UILabel*lable = [[UILabelalloc]initWithFrame:CGRectMake(lableX, lableY, rowWidth, lableH)];
lable.layer.masksToBounds=YES;
lable.layer.cornerRadius=15;
lable.layer.borderColor= borderColor.CGColor;
lable.layer.borderWidth=1;
lable.backgroundColor= backgroundColor;
lable.textAlignment=NSTextAlignmentCenter;
lable.textColor= textColor;
lable.text= string;
[viewaddSubview:lable];
returnlable;
}
//自动适应lable的宽度和高度
+ (CGRect)boundingString:(NSString*)string size:(CGSize)size fontSize:(NSInteger)fontSize
{
NSStringDrawingOptionsoptions =NSStringDrawingTruncatesLastVisibleLine|NSStringDrawingUsesLineFragmentOrigin|NSStringDrawingUsesFontLeading;
NSDictionary*attributes =@{NSFontAttributeName: [UIFontsystemFontOfSize:fontSize]};
return[stringboundingRectWithSize:sizeoptions:optionsattributes:attributescontext:nil];
}
