一、首先要安装插件image-tools,插件地址:https://ext.dcloud.net.cn/plugin?id=123
javascript
npm i image-tools --save
二、引入
javascript
import {
pathToBase64,
base64ToPath
} from 'image-tools'
三、应用
javascript
openImg(){//预览图片
let that = this;
uni.showLoading({
title: "加载中..."
})
var arr=[];
base64ToPath(this.bimg)
.then(path => {
console.log('----',path);
uni.hideLoading()
arr[0] = path;
uni.previewImage({
current: 0,
urls: arr
});
})
.catch(error => {
// 图片加载失败
uni.hideLoading()
})
},