UITextView的attributedText含有NSTextAttachment对象、表情包和普通文本的遍历与组装h5字符串

        NSString *str = getNotNilString([emojiStr stringByReplacingPercentEscapesUsingEncoding:NSUTF8StringEncoding]);
        [self.inputTextView.textStorage insertAttributedString:[[NSAttributedString alloc] initWithString:str] atIndex:self.inputTextView.selectedRange.location];
        self.inputTextView.selectedRange = NSMakeRange(self.inputTextView.selectedRange.location+str.length, 0);

        NSAttributedString *attributedText = self.inputTextView.attributedText;
        self.model.Body = @"";
        if(!isCommonUnitEmpty(self.inputTextView.text))
        {
            [attributedText enumerateAttributesInRange:NSMakeRange(0, attributedText.length) options:NSAttributedStringEnumerationLongestEffectiveRangeNotRequired usingBlock:
             ^(NSDictionary *attributes, NSRange range, BOOL *stop) {
                @strongify(self);
                DYTextAttachment *attachment = [attributes objectForKey:@"NSAttachment"];
                if(attachment)
                {
                    NSLog(@"attributes:%@, range.location:%d,range.length:%d,attachment.description:%@ attachment:%@,", attributes, range.location,range.length,attachment.description, attachment);
                    if([attachment isKindOfClass:[DYTextAttachment class]] && !isCommonUnitEmptyString(attachment.dataFilePath))
                    {
                        if(attachment.dyFileType == DYFileTypeImage)
                        {
                            self.model.Body = [NSString stringWithFormat:@"%@<img src=\"%@\"/>", self.model.Body, attachment.dataFilePath];
                        }
                        else if(attachment.dyFileType == DYFileTypeVideo)
                        {
                            self.model.Body = [NSString stringWithFormat:@"%@<p><video src=\"%@\" controls=\"controls\" style=\"max-width:100%%\"></video></p>", self.model.Body, attachment.dataFilePath];
                        }
                    }
                }
                else
                {
                    NSLog(@"attributes:%@, range.location:%d,range.length:%d, [self.inputTextView.text substringWithRange:range]:%@", attributes, range.location,range.length, [self.inputTextView.text substringWithRange:range]);
                    NSString *inputStr = [self.inputTextView.text substringWithRange:range];
                    if(!isCommonUnitEmptyString(inputStr))
                    {
                        self.model.Body = [NSString stringWithFormat:@"%@%@", self.model.Body, inputStr];
                    }
                }
            }];
            
        }