64 lines
1.3 KiB
Vue
64 lines
1.3 KiB
Vue
<template>
|
||
<view>
|
||
<page-head :title="title"></page-head>
|
||
<view class="uni-padding-wrap uni-common-mt">
|
||
<view v-if="imageSrc" class="image-container">
|
||
<image class="img" :src="imageSrc" mode="center" />
|
||
</view>
|
||
<block v-else style="margin-top: 50px;">
|
||
<view class="uni-hello-text">
|
||
点击按钮下载服务端示例图片（下载网络文件到本地临时目录）
|
||
</view>
|
||
<view class="uni-btn-v">
|
||
<button type="primary" @tap="downloadImage">下载</button>
|
||
</view>
|
||
</block>
|
||
</view>
|
||
</view>
|
||
</template>
|
||
<script>
|
||
export default {
|
||
data() {
|
||
return {
|
||
title: 'downloadFile',
|
||
imageSrc: ''
|
||
}
|
||
},
|
||
onUnload() {
|
||
this.imageSrc = '';
|
||
},
|
||
methods: {
|
||
downloadImage: function () {
|
||
uni.showLoading({
|
||
title:'下载中'
|
||
})
|
||
var self = this
|
||
uni.downloadFile({
|
||
url: "https://web-assets.dcloud.net.cn/unidoc/zh/uni-app.png",
|
||
success: (res) => {
|
||
console.log('downloadFile success, res is', res)
|
||
self.imageSrc = res.tempFilePath;
|
||
uni.hideLoading();
|
||
},
|
||
fail: (err) => {
|
||
console.log('downloadFile fail, err is:', err)
|
||
}
|
||
})
|
||
}
|
||
}
|
||
}
|
||
</script>
|
||
|
||
<style>
|
||
.img {
|
||
width: 500rpx;
|
||
height: 500rpx;
|
||
margin: 0 auto;
|
||
}
|
||
.image-container {
|
||
display: flex;
|
||
justify-content: center;
|
||
align-items: center;
|
||
}
|
||
</style>
|