UILabel根据内容获取宽高

.h中

//****************************************************************************************************************************************************************************************

#import <UIKit/UIKit.h>

@interface UILabel (LabelHeightAndWidth)

+ (CGFloat)getHeightByWidth:(CGFloat)width title:(NSString *)title font:(UIFont*)font;

+ (CGFloat)getWidthWithTitle:(NSString *)title font:(UIFont *)font;

@end

.m 中

//****************************************************************************************************************************************************************************************

#import "UILabel+LabelHeightAndWidth.h"

@implementation UILabel (LabelHeightAndWidth)

+ (CGFloat)getHeightByWidth:(CGFloat)width title:(NSString *)title font:(UIFont *)font

{

    

    UILabel *label = [[UILabel alloc] initWithFrame:CGRectMake(0, 0, width, 0)];

    label.text = title;

    label.font = font;

    label.numberOfLines = 0;

    [label sizeToFit];

    CGFloat height = label.frame.size.height;

    return height;

}

+ (CGFloat)getWidthWithTitle:(NSString *)title font:(UIFont *)font {

    UILabel *label = [[UILabel alloc] initWithFrame:CGRectMake(0, 0, 1000, 0)];

    label.text = title;

    label.font = font;

    [label sizeToFit];

    return label.frame.size.width;

}

@end