//視頻廣告
let videoAd = null;
//視頻廣告拉取狀態(tài)
let videoAdPushStatus = false;
 
Page({
 data: {
  //積分總數(shù)
  creditsAmountSum: 100
 },
 onLoad(options) {
  let that = this;
 
  that.videoAdShowSetting();
 },
 onShow() {
 },
 videoAdShowSetting: function() {
  var that = this;
  if (wx.createRewardedVideoAd) {
   videoAd = wx.createRewardedVideoAd({
    adUnitId: '自己申請(qǐng)的廣告ID'
   })
   videoAd.onLoad(() => {
    //設(shè)置廣告拉取成功
    videoAdPushStatus = true;
   });
   videoAd.onClose((status) => {
    if (status && status.isEnded || status === undefined) {
     //正常播放結(jié)束,可以下發(fā)獎(jiǎng)勵(lì)
     that.addUserCredits();
    } else {
     //不下發(fā)獎(jiǎng)勵(lì)
     wx.showModal({
      content: '廣告未播放完成,無(wú)法獲取積分',
      showCancel: false
     })
    }
   });
   videoAd.onError(() => {
    that.showToast('獲取積分異常,請(qǐng)稍后重試');
   });
  }
 },
 //顯示廣告
 bindAddCredits: function() {
  let that = this;
  that.showVideoAd();
 },
 //視頻廣告
 showVideoAd: function() {
  let that = this;
  videoAd.load()
   .then(() => {
    //重置視頻廣告拉取狀態(tài)
    videoAdPushStatus = false;
    videoAd.show();
   })
   .catch(err => {
    that.showToast('加載異常,請(qǐng)稍后重試...');
   });
 },
 addUserCredits: function() {
  let that = this;
 
  that.setData({
   creditsAmountSum: 10,
  });
  that.showSuccessToast('已獲取積分+10');
 },
 showSuccessToast(title) {
  wx.showToast({
   title: title,
   icon: 'success',
   duration: 3000
  })
 },
 showToast(title) {
  wx.showToast({
   title: title,
   icon: 'none',
   duration: 2000
  })
 }
});