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yanzong_qianduan/components/goods-poster-popup/index.vue

173 lines
4.3 KiB

<template>
<u-popup v-model="show" mode="center" :maskCloseAble="false" :closeable="true" :maskCustomStyle="{ background: 'rgba(0, 0, 0, 0.5)' }"
border-radius="18" :z-index="12" @close="onClose()">
<view class="pop-poster pop-example__container">
<view class="image__container" @click="handlePreviewImage()">
<image v-if="imageUrl" class="image" mode="scaleToFill" :src="imageUrl"></image>
</view>
<view class="save-btn__container">
<view class="save-btn" @click="handleDownload()">保存海报图</view>
</view>
</view>
</u-popup>
</template>
<script>
export default {
name: 'goods-poster-popup',
emits: ['update:modelValue'],
props: {
// 控制组件显示隐藏
modelValue: {
Type: Boolean,
default: false
},
// 获取海报图的api方法
apiCall: {
type: Function,
default: () => {}
},
// 获取海报图的api参数
apiParam: {
type: Object,
default: () => {}
},
},
watch: {
// 监听海报图弹层显示隐藏
modelValue: {
immediate: true,
handler(val) {
val ? this.onShowPopup() : this.show = false
}
},
},
data() {
return {
// 是否显示弹窗
show: false,
// 图片url地址
imageUrl: ''
}
},
methods: {
// 显示海报弹窗
onShowPopup() {
const app = this
app.apiCall({ ...app.apiParam, channel: app.platform })
.then(result => {
app.imageUrl = result.data.imageUrl
app.show = true
})
.catch(err => app.onClose())
},
// 关闭弹窗
onClose() {
this.$emit('update:modelValue', false)
},
// 预览图片
handlePreviewImage() {
uni.previewImage({ urls: [this.imageUrl] })
},
// 保存海报图片
handleDownload() {
const app = this
uni.showLoading({ title: '加载中' })
// 下载海报图片
uni.downloadFile({
url: app.imageUrl,
success(res) {
console.log(res)
uni.hideLoading()
// 图片保存到相册
app.onSaveImage(res.tempFilePath)
},
fail(res) {
console.log('fail', res)
uni.hideLoading()
app.$toast('很抱歉,自动保存失败 请点击图片后长按手动保存', 3000)
}
})
},
// 图片保存到相册
onSaveImage(tempFilePath) {
const app = this
// #ifndef H5
uni.saveImageToPhotosAlbum({
filePath: tempFilePath,
success(data) {
app.$success('保存成功')
// 关闭弹窗
app.onClose()
},
fail(err) {
if (err.errMsg === 'saveImageToPhotosAlbum:fail auth deny') {
app.$toast('请允许访问相册后重试 (右上角菜单 - 设置 - 相册)', 3000)
}
}
})
// #endif
// #ifdef H5
const names = tempFilePath.split('/')
const fileName = names[names.length - 1]
app.fileDownLoadForH5({ name: fileName, blob: tempFilePath })
app.onClose()
// #endif
},
// 兼容H5端下载图片
// #ifdef H5
fileDownLoadForH5({ name, blob }) {
const linkElement = document.createElement('a')
linkElement.setAttribute('href', blob)
linkElement.setAttribute('downLoad', name)
linkElement.click()
},
// #endif
}
}
</script>
<style lang="scss" scoped>
.pop-poster {
width: 560rpx;
position: relative;
background: #fff;
padding: 76rpx 76rpx 40rpx 76rpx;
border-radius: 10rpx;
}
// 图片容器
.image__container {
.image {
display: block;
width: 420rpx;
height: 636rpx;
box-shadow: 0 0 25rpx rgba(0, 0, 0, 0.15);
}
}
// 保存按钮
.save-btn__container {
margin-top: 30rpx;
.save-btn {
color: rgb(255, 255, 255);
color: $main-text;
background: linear-gradient(to right, $main-bg, $main-bg2);
font-weight: 500;
font-size: 28rpx;
border-radius: 38rpx;
height: 76rpx;
display: flex;
justify-content: center;
align-items: center;
}
}
</style>