django ajax json的实例代码

import json
def get_comments(request, article_id):
 article_obj = models.Article.objects.get(id=article_id)
 article_comments = article_obj.comment_set.select_related()
 comment_dict = {}
 for i in article_comments:
 print('comments_id', i.id)
 print('article_id', i.article_id)
 print('parent_comment_id', i.parent_comment_id)
 print('comment_type', i.comment_type)
 print('user_id', i.user_id)
 print('user_name', i.user.name)
 print('comment', i.comment)
 print('date', type(i.date))
 print('date', time.strftime("%Y-%m-%d %H:%M:%S", i.date.timetuple()))
 comment_dict[i.id] = [i.comment_type, i.comment, time.strftime("%Y-%m-%d %H:%M:%S", i.date.timetuple()), i.article_id, i.user_id, i.user.name, i.parent_comment_id]
 comment_json = json.dumps(comment_dict)
 return HttpResponse(comment_json)

<script>
 function getComments() {
 $.get("{% url 'get_comment' one_article.id %}", function(callback){
 console.log(callback);
 var obj = JSON.parse(callback);
 console.log(this.comment_type);
 for (var key in obj){
 console.log(key);
 console.log(obj[key])
 }
 }
 function getCsrf() {
 return $("input[name='csrfmiddlewaretoken']").val();
 }
 $(document).ready(function () {
 $(".comment-box button").click(function () {
 var comment_text = $('.comment-box textarea').val();
 if (comment_text.trim().length < 5){
 alert("评论不能少于5个字")
 }else {
 $.post(
  "{% url 'post_comment' %}",
  {
  'comment_type':1,
  article_id: "{{ one_article.id }}",
  parent_comment_id:null,
  'comment':comment_text.trim(),
  'csrfmiddlewaretoken':getCsrf()
  },
  function (callback) {
  console.log(callback);
  if (callback == 'post-comment-success'){
  alert('post-comment-success');
  getComments();
  }
  }
 )
 }
 })
 })
</script>