SpannableStringBuilder中插入数据

                                    Log.d("aaa", "==1" + builder.toString());
                                    builder.replace(0, 0, setClickableSpan(profile.getNickName(), bean.id));
                                    Log.d("aaa", "==2" + builder.toString());
                                    commentTv.setText(builder);
                          这里是从起始位置开始拼接，前后结果为
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