<div id="comment">
 <article-content v-bind:article="article"></article-content>
 <commemt-content v-bind:comment="comment" v-on:change="changCommmer"></commemt-content>
 <comment-textarea v-bind:type="type" v-bind:name="oldComment" v-on:submit="addComment" v-on:canel="canelCommit"></comment-textarea>
</div>

Vue.component('commentTextarea',{
 template:'\
 <div class="commentBox">\
 <h3>发表评论</h3>\
 <b v-if="type">你回复 {{name}}</b>\
 <textarea name="" value="请填写评论内容" v-model="commentText"></textarea>\
 <button class="btn" @click="addComment">发表</button>\
 <button class="btn" @click="canelComment">取消</button>\
 </div>',
 props: ['type','name'],
 data: function(){
 return {commentText:""}
 },
 methods: {
 addComment: function() {
  this.$emit("submit",this.commentText);
  this.commentText = "";
 },
 canelComment: function() {
  this.$emit("canel");
  this.commentText = "";
 }
 }
});

comment: [
 {
 name: "有毒的黄同学", //评论人名字
 time: "2016-08-17", 
 content: "好,讲得非常好，good",
 reply: [  //回复评论的信息，是一个数组，如果没内容就是一个空数组
  {
  responder: "傲娇的", //评论者
  reviewers: "有毒的黄同学",  //被评论者
  time: "2016-09-05",
  content: "你说得对"
  }
 }
 ]

Vue.component('commemt-content',{
 template:'\
 <div class="commentBox">\
 <h3>评论</h3>\
 <p v-if="comment.length==0">暂无评论，我来发表第一篇评论！</p>\
 <div v-else>\
  <div class="comment" v-for="(item,index) in comment" v-bind:index="index" >\
  <b>{{item.name}}<span>{{item.time}}</span></b>\
  <p @click="changeCommenter(item.name,index)">{{item.content}}</p>\
  <div v-if="item.reply.length > 0">\
   <div class="reply" v-for="reply in item.reply">\
   <b>{{reply.responder}}  回复  {{reply.reviewers}}<span>{{reply.time}}</span></b>\
   <p @click="changeCommenter(reply.responder,index)"">{{reply.content}}</p>\
   </div>\
  </div>\
  </div>\
 </div>\
 </div>',
 props: ['comment'],
 methods: {
 changeCommenter: function(name,index) {
  this.$emit("change",name,index);
 }
 }
});

var comment = new Vue({
 el: "#comment",
 data: {
 commenter: "session", //评论人，这里会从session拿
 type: 0,  //0为评论作者1为评论别人的评论
 oldComment: null, //久评论者的名字
 chosedIndex: -1, //被选中的评论的index
 article: {
  title: "当归泡水喝的九大功效",
  time: "2016-07-12",
  read:50,
  content: ""
 },
 comment: [] //评论内容
 },
 methods: {
 //添加评论
 addComment: function(data) {
  if(this.type == 0) {
  this.comment.push({
   name: 'session',
   time: getTime(),
   content: data,
   reply: []
  });
  //服务器端
  }else if(this.type == 1){
  this.comment[this.chosedIndex].reply.push({
   responder: 'session',
   reviewers:this.comment[this.chosedIndex].name,
   time: getTime(),
   content: data
  });
  this.type = 0;
  }
 },
 //监听到了点击了别人的评论
 changCommmer: function(name,index) {
  this.oldComment = name;
  this.chosedIndex = index;
  this.type = 1;
 },
 //监听到了取消评论
 canelCommit: function() {
  this.type = 0;
 }
 }
})