vuejs父子组件之间数据交互详解

export default {
 name: 'ment',
 props: ['issue','index'],
 data () {
 return {
  ment: '',
 }
 },
 ponents: {},
 methods: {
 removeComment: function(index,cindex) {
  this.$emit('removeComment', {index:index, cindex:cindex});
 },
 saveComment: function(index) {
  this.$emit('saveComment', {index: index, ment: this.ment});
  this.ment="";
 }
 },
 //hook 
 created: function () {
 //get init data

 }

}

 removeComment: function(data) {
  var index = data.index, cindex = data.cindex;
  var issue = this.issue_list[index];
  var ment = issue.ments[cindex];
  axios.get('ment/delete/cid/'+ment.cid)
  .then(function (resp) {
  issue.ments.splice(cindex,1);
  });
 },
 saveComment: function(data) {
  var index = data.index;
  var ment = data.ment;
  var that = this;
  var issue =that.issue_list[index];
  var data = {
  iid: issue.issue_id,
  content: ment
  };

  axios.post('ment/save/',data)
  .then(function (resp) {
  issue.ments=issue.ments||[];
  issue.ments.push({
   cid: resp.data,
   content: ment
  });
  });
  
  //clear ment input
  this.ment="";
 }

 },