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63 lines
1.3 KiB
63 lines
1.3 KiB
<template> |
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<view> |
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<page-head :title="title"></page-head> |
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<view class="uni-padding-wrap uni-common-mt"> |
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<view v-if="imageSrc" class="image-container"> |
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<image class="img" :src="imageSrc" mode="center" /> |
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</view> |
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<block v-else style="margin-top: 50px;"> |
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<view class="uni-hello-text"> |
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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） |
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</view> |
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<view class="uni-btn-v"> |
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<button type="primary" @tap="downloadImage">下载</button> |
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</view> |
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</block> |
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</view> |
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</view> |
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</template> |
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<script> |
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export default { |
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data() { |
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return { |
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title: 'downloadFile', |
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imageSrc: '' |
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} |
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}, |
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onUnload() { |
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this.imageSrc = ''; |
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}, |
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methods: { |
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downloadImage: function () { |
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uni.showLoading({ |
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title:'下载中' |
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}) |
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var self = this |
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uni.downloadFile({ |
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url: "https://img-cdn-qiniu.dcloud.net.cn/uniapp/images/uni@2x.png", |
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success: (res) => { |
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console.log('downloadFile success, res is', res) |
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self.imageSrc = res.tempFilePath; |
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uni.hideLoading(); |
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}, |
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fail: (err) => { |
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console.log('downloadFile fail, err is:', err) |
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} |
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}) |
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} |
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} |
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} |
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</script> |
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<style> |
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.img { |
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width: 500rpx; |
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height: 500rpx; |
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margin: 0 auto; |
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} |
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.image-container { |
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display: flex; |
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justify-content: center; |
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align-items: center; |
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} |
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</style>
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