点赞报400错误

来源：8-8 喜欢还是不喜欢

小嘉啊

2018-09-30

import {
  HTTP
} from '../util/http.js'

class LikeModel extends HTTP {
  like(behavior, artID, category) {
    let url = behavior == 'like' ? 'like' : 'like/cancel'
    this.request({
      url:url,
      method:'POST',
      data:{
        art_id:artID,
        type:category
      }

    })
  }
}

export {LikeModel}

onLoad: function(options) {
    clsssicModel.getLastest((res)=>{
      //数据更新
       this.setData({
         classic:res
       })
    })
  },

  onLike: function(event) {
    let behavior = event.detail.behavior
    console.log(behavior)
    likeModel.like(behavior,this.data.classic.id,this.data.classic.type)
  },

点赞老是报400错误，请问这是什么原因，是按老师的方法写的，

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