1 let requireModule = require.context(
2 "文件路径位置",
3 false,
4 /\.jpg$/ //文件后缀名
5 );
6 let imagesNameArr = [];
7 //获取文件夹下面的所有满足需求的文件
8 for (let i = 0; i < requireModule.keys().length; i++) {
9 imagesNameArr.push(requireModule.keys()[i].substr(2, requireModule.keys()[i].length));
10 }
11 //从上面的数组中随机筛选
12 function getRandomArrayElements(arr, count) {
13 let shuffled = arr.slice(0), i = arr.length, min = i - count, temp, index;
14 while (i-- > min) {
15 index = Math.floor((i + 1) * Math.random());
16 temp = shuffled[index];
17 shuffled[index] = shuffled[i];
18 shuffled[i] = temp;
19 }
20 return shuffled.slice(min);
21 }
22 //获取到随机的文件并补全路径在页面上显示
23 let imgLinkArray = getRandomArrayElements(imagesNameArr,4)
24 for(let i=0;i<imgLinkArray.length;i++){
25 let img = require("文件存放的路径" + imgLinkArray[i])
26 this.phonePic.push(img)
27 }
