我想合并3个spannable对象。此代码工作正常:Spannables1=newSpannableStringBuilder("bold");s1.setSpan(newStyleSpan(android.graphics.Typeface.BOLD),0,s1.length(),Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);Spannables2=newSpannableStringBuilder("not");Spannables3=newSpannableStringBuilder("BOLD");s3.setSpan(newStyleSpan(and