Lable 富文字的插入圖片、設定行距、計算高度等
+ (NSMutableAttributedString *)MutableAttributedString:(NSString *)attri andatIndex:(NSInteger)Index andImage:(UIImage *)attchImage andFrame:(CGRect)frame{
NSMutableAttributedString *attriString = [[NSMutableAttributedString alloc] initWithString:attri];
//插入圖片
NSTextAttachment *attchString = [[NSTextAttachment alloc] init];
attchString.image = attchImage;
NSAttributedString *string = [NSAttributedString attributedStringWithAttachment:attchString];
attchString.bounds = frame;
[attriString insertAttributedString:string atIndex:Index];
//設定行高,字間距,字型大小等屬性
NSMutableParagraphStyle *paraStyle = [[NSMutableParagraphStyle alloc] init];
paraStyle.lineBreakMode = NSLineBreakByCharWrapping;
paraStyle.alignment = NSTextAlignmentLeft;
paraStyle.lineSpacing = 5;
NSDictionary *dic = @{NSFontAttributeName:[UIFont systemFontOfSize:14.0f],NSParagraphStyleAttributeName:paraStyle,NSKernAttributeName:@1.5f };
[attriString addAttributes:dic range:NSMakeRange(0, attri.length)];
//獲取整個富文字的size(高寬)
CGSize size = [attriString boundingRectWithSize:CGSizeMake(200, MAXFLOAT) options:NSStringDrawingUsesLineFragmentOrigin | NSStringDrawingUsesFontLeading context:nil].size;
NSLog(@"高度:%.2f",size.height);
return attriString;
}