yuminge-app/yun-min-program-plugin-master/packageB/mycomponent/videoList/videoList.js

95 lines
2.4 KiB
JavaScript

// packageB/mycomponent/videoList.js
var colOneHeight = 0;
var colTwoHeight = 0;
Component({
/**
* 组件的属性列表
*/
properties: {
goodsData: {
type: null
},
cardid:{
type: null
}
},
lifetimes: {
attached: function () {
// 在组件实例进入页面节点树时执行
colOneHeight = 0;
colTwoHeight = 0;
},
},
/**
* 组件的初始数据
*/
data: {
activitys1: [],
activitys2: [],
showLoading: false,
imgCount: 0
},
/**
* 组件的方法列表
*/
methods: {
toVideo(e) {
let item = e.currentTarget.dataset.item;
let page = this.data.goodsData.findIndex((value, index, arr) => {
return value.id === item.id;
});
page = Math.ceil((page + 1) / 15);
wx.navigateTo({
url: '/packageC/video_goods/VideoDetail/VideoDetail?vid=' + item.id + '&page=' + page + "&from=card"+'&card_id='+this.data.cardid
});
},
/**
* 图片加载函数
* 图片加载完成后,根据图片的高度,依次往第一列和第二列中推入数据
*/
onImageLoad(options) {
console.log(options);
console.log(this.data);
let currentId = options.currentTarget.id;
let imageWidth = options.detail.width; // 图片宽度
let imageHeight = options.detail.height; // 图片高度
let activitys = this.data.goodsData; // 获取所有的数据资源
let activityObj = null;
let scle = (imageWidth / imageHeight);
console.log(this.data.allData);
for (let i = 0; i < activitys.length; i++) {
if (activitys[i].id == currentId) {
activityObj = activitys[i];
break;
}
}
this.data.imgCount += 1;
let activitys1 = this.data.activitys1;
let activitys2 = this.data.activitys2;
if (colOneHeight <= colTwoHeight) {
colOneHeight += (176 / scle) + 60;
activitys1.push(activityObj);
} else {
colTwoHeight += (176 / scle) + 60;
activitys2.push(activityObj);
}
let data = {
activitys1: activitys1,
activitys2: activitys2
};
console.log(this.data.imgCount, this.data.goodsData.length);
if (this.data.imgCount >= this.data.goodsData.length) {
this.setData({
showLoading: true
});
}
this.setData(data);
},
}
});