iOS开发 返回字符串的宽高

- (CGFloat)achiveWidthWithHeight:(CGFloat)height Font:(UIFont *)font {

CGSize size = [self boundingRectWithSize:CGSizeMake(MAXFLOAT,

height)

options:NSStringDrawingUsesLineFragmentOrigin

attributes:@{NSFontAttributeName:font}

context:nil].size;

return size.width;

}

- (CGFloat)achiveHeightWithWidth:(CGFloat)width Font:(UIFont *)font {

CGSize size = [self boundingRectWithSize:CGSizeMake(width,

MAXFLOAT)

options:NSStringDrawingUsesLineFragmentOrigin

attributes:@{NSFontAttributeName:font}

context:nil].size;

return size.height;

}