根据指定文本和字体计算尺寸, 修改某个字体大小和颜色

/**

*  根据指定文本和字体计算尺寸

*/

- (CGSize)sizeWithText:(NSString *)text font:(UIFont *)font {

NSMutableDictionary *attrDict = [NSMutableDictionary dictionary];

attrDict[NSFontAttributeName] = font;

return [text sizeWithAttributes:attrDict];

}

/**

*  修改 字体颜色

* .attributedText = str

*/

- (NSMutableAttributedString *)addStr:(NSString *)strrrrrr

addrangeOfStr:(NSString *)ofstr

addcolor:(UIColor *)color

addfont:(NSInteger)font {

NSMutableAttributedString *str = [[NSMutableAttributedString alloc] initWithString:[NSString stringWithFormat:@"%@", strrrrrr]];

//获取要调整颜色的文字位置,调整颜色

NSRange range2 = [strrrrrr rangeOfString:ofstr];//匹配得到的下标

[str addAttribute:NSForegroundColorAttributeName value:color range:range2];

[str addAttribute:NSFontAttributeName value:[UIFont systemFontOfSize:font] range:range2];

return str;

}

#pragma mark 获得高度

/**

*获得高度

*/

- (float)getContactHeight:(NSString *)contact addTitleFontOfSize:(NSInteger)FontOfSize addDeviceWidth:(NSInteger)DeviceWidth {

NSDictionary *attrs = @{NSFontAttributeName : [UIFont systemFontOfSize:FontOfSize]};

CGSize maxSize = CGSizeMake(DeviceWidth, MAXFLOAT);

// 计算文字占据的高度

CGSize size = [contact boundingRectWithSize:maxSize options:NSStringDrawingUsesLineFragmentOrigin attributes:attrs context:nil].size;

return size.height;

}