C1/微信小程序/douban/pages/comment/comment.js

// pages/comment/comment.js
Page({

  /**
   * 页面的初始数据
   */
  data: {
    start: 1,//短评开始
    count: 10//短评显示条数
  },

  /**
   * 生命周期函数--监听页面加载
   */
  onLoad: function (options) {
    var that =this;
    that.setData({
      title: options.title,
      imgUrl: options.imgUrl,
      rate: options.rate,
      id: options.id,
      type: options.type
    });
    that.getComments(1);
  },
  getComments:function(start){
    var that = this;
    var type = that.data.type;
    var id = that.data.id;
    var dpurl;//短评的url
    var count = that.data.count;//短评显示条数
    var start = start;//短评开始
    if (type == "movie") {
      dpurl = 'https://m.douban.com/rexxar/api/v2/movie/' + id + '/interests?count=' + count + '&start=' + start;
    } else if (type == "tvs" || type == "shows") {
      dpurl = 'https://m.douban.com/rexxar/api/v2/tv/' + id + '/interests?count=' + count + '&start=' + start;
    }
    //获取短评信息
    wx.request({
      url: dpurl,
      success: function (res) {
        that.setData({
          comments: res.data.interests,
          start: start
        });
        wx.pageScrollTo({
          scrollTop: 0,
        });
      }
    })
  },
  onItemTapEvent:function(event){
    //返回上一页
    wx.navigateBack({})
  },
  upPage:function(event){
    var that = this;
    var start = that.data.start;
    var count = that.data.count;
    if (start - count > 0){
      that.getComments(start - count);
    }
  },
  nextPage: function (event) {
    var that = this;
    var start = that.data.start;
    var count = that.data.count;
    that.getComments(start + count);
  },
})