wxminiprogram-renlian/pages/course/course.js

// pages/course/course.js
var util = require("../../utils/util.js");
Page({
  data:{
    courses:[],
      banner:{
          delay:3000,
          timeoutProcess:null,
          currindex:0,
          bannerimg:[]
      },
      bannerTitle:"·项目概述·",
      chanpinTitle:"·相关产品·",
      bannerTitleImages : "https://rlzcgl.oss-cn-beijing.aliyuncs.com/wxminiprogram/images/Rlianimage/superBike.jpg",
      bannerText : "任联电动车防盗系统解决方案是杭州任联自主研发的成熟解决方案。其基本原理为：基于物联网超低功耗RFID有源技术和大数据轨迹刻画技术，监控中心、固定基站、车载基站、手持搜索机无缝...共同打造城市公共安全。（详情请登录任联官网http://www.renlianiot.com/查看）",
      ad:[]
  },
  onLoad:function(options){
    // 页面初始化 options为页面跳转所带来的参数
    var that=this;
    var coursesArr = util.getCourses(),
        bannerArr = util.getBanner(),
        bannerTitle = that.data.bannerTitle,
        chanpinTitle = that.chanpinTitle,
        ddongcheAD = util.getdiaodongcheData();

    that.setData({
      courses:coursesArr,
        banner:{
            currindex:0,
            bannerimg:bannerArr
        },
        ad:ddongcheAD
    });
    console.log(that.data.ad);
    that.changeBanner(0);
  },
  onReady:function(){
    // 页面渲染完成
  },
  onShow:function(){
    // 页面显示
  },
  onHide:function(){
    // 页面隐藏
  },
  onUnload:function(){
    // 页面关闭
  },
    changeBanner:function(index){
        var that = this,
            banner = that.data.banner,
            currindex = banner.currindex;

        banner.bannerimg[currindex].class ='';
        banner.bannerimg[index].class = 'active';
        banner.currindex = index;
        that.setData({
            "banner":banner
        });
        //showImg  todo
    },
    timetochange:function(){

        var that = this,
            banner = that.data.banner,
            currindex = banner.currindex;
        if(currindex < banner.bannerimg.length - 1)
        {
            currindex ++;
        }else{
            currindex = 0;
        }
        that.changeBanner(currindex);
    },
    bindStlBanner:function(e){
        console.log(e);
        var that = this;
        var bannerIdx = e.currentTarget.dataset.index;
        clearTimeout(that.data.banner.timeoutProcess);
        that.changeBanner(bannerIdx);
        that.data.banner.timeoutProcess = setInterval(that.timetochange,3000);
    }
})