Here is the trick to create comment box under your post.
1. Login to http://draft.blogger.com
2. Go to Setting–>Comments. then change “Comment Form Placement” to be “Embedded below post” (look at the image below)
3. Then “Save Setting”
Try to see your blog and klik on your titile post. if there is a embadded commnet box below your post just stop this step here. But if there is no comments box, just follow the next steps here.
If you have customized your template, you will need to make a small change to your template code for this comment form to display. But don’t worry, it’s a very simple customization to make!
4. Go to “Layout–>Edit HTML”
5. Check the “Expand widget templates” box.
6. Find this code :
<p class=’comment-footer’>
<a expr:href=’data:post.addCommentUrl’ expr:onclick=’data:post.addCommentOnclick’>
<data:postCommentMsg/></a>
</p>
</b:if>
7. Then replace it with this code :
<p class=’comment-footer’>
<b:if cond=’data:post.embedCommentForm’>
<b:include data=’post’ name=’comment-form’/>
<b:else/> <b:if cond=’data:post.allowComments’>
<a expr:href=’data:post.addCommentUrl’ expr:onclick=’data:post.addCommentOnclick’>
<data:postCommentMsg/></a>
</b:if> </b:if> </p> </b:if>
8. Save your Template.