UILabel Category 计算UILabel内容大小

UILabel+ContentSize.h

#import <UIKit/UIKit.h>

@interface UILabel (ContentSize)

- (CGSize)contentSize;

@end

UILabel+ContentSize.m

#import "UILabel+ContentSize.h"

@implementation UILabel (ContentSize)

 

- (CGSize)contentSize {

NSMutableParagraphStyle * paragraphStyle = [[NSMutableParagraphStyle alloc] init];

paragraphStyle.lineBreakMode = self.lineBreakMode;

paragraphStyle.alignment = self.textAlignment;

NSDictionary * attributes = @{NSFontAttributeName : self.font,

NSParagraphStyleAttributeName : paragraphStyle};

CGSize contentSize = [self.text boundingRectWithSize:self.frame.size

options:(NSStringDrawingUsesLineFragmentOrigin|NSStringDrawingUsesFontLeading)

attributes:attributes

context:nil].size;

return contentSize;

}

转载于:https://www.cnblogs.com/skyry/p/5114560.html