示例源码如下，请查看 pre > code 标签中的内容
<template>
<!-- #ifdef APP -->
<scroll-view class="page-scroll-view">
<!-- #endif -->
<view>
<page-head :title="title"></page-head>
<view class="uni-common-mt">
<view class="uni-list">
<view class="uni-list-cell cell-pd">
<view class="uni-list-cell-left uni-label">
来源
</view>
<view class="uni-list-cell-right" @click="chooseMediaSource">
<text class="click-t">{{sourceTypes[sourceTypeIndex].title}}</text>
</view>
</view>
<view class="uni-list-cell cell-pd">
<view class="uni-list-cell-left uni-label">
方式
</view>
<view class="uni-list-cell-right" @click="chooseMediaType">
<text class="click-t">{{(mediaTypes[mediaTypeIndex] as ChooseSource).title}}</text>
</view>
</view>
<view class="uni-list-cell cell-pd">
<view class="uni-list-cell-left uni-label">
数量限制
</view>
<view class="uni-list-cell-right">
<input class="click-t" ref="refCountInput" :value="count" type="number" :maxlength="1" @blur="chooseMediaCount"/>
</view>
</view>
<!-- #ifdef APP-ANDROID -->
<view class="uni-list-cell cell-pd">
<view class="uni-list-cell-left uni-label">
屏幕方向
</view>
<view class="uni-list-cell-right" @click="chooseOrientationType">
<text class="click-t">{{orientationTypes[orientationTypeIndex].title}}</text>
</view>
</view>
<!-- #endif -->
<view class="uni-list-cell cell-pd">
<view class="uni-list-cell-left uni-label">
摄像头
</view>
<view class="uni-list-cell-right" @click="chooseCameraType">
<text class="click-t">{{cameraTypes[cameraTypeIndex].title}}</text>
</view>
</view>
</view>
<!-- #ifdef APP-IOS -->
<input-data title="最长拍摄时间，单位秒" defaultValue="10" type="number" @confirm="onMaxDurationConfirm"></input-data>
<!-- #endif -->
<view class="uni-list list-pd" style="padding: 15px;">
<view class="uni-row" style="margin-bottom: 10px;">
<view class="uni-list-cell-left">点击预览</view>
<view style="margin-left: auto;">
<text class="click-t">{{mediaList.length}}/{{count}}</text>
</view>
</view>
<view class="uni-row" style="flex-wrap: wrap;">
<view v-for="(file,index) in mediaList" :key="index" class="uni-uploader__input-box" style="border: 0;">
<image style="width: 104px; height: 104px;" :src="file.imagePath" @tap="previewMedia(index)">
</image>
<image src="/static/plus.png" class="image-remove" @click="removeMedia(index)"></image>
</view>
<image class="uni-uploader__input-box" @tap="chooseMedia" src="/static/plus.png"></image>
</view>
</view>
</view>
</view>
<!-- #ifdef APP -->
</scroll-view>
<!-- #endif -->
</template>
<script setup lang="uts">
type FileSource = {
imagePath : string;
filePath : string;
fileType : string;
};
type ChooseSource = {
value : string[];
title : string;
};
const sourceTypeList : ChooseSource[] = [
{
value: ['camera'],
title: '拍摄',
},
{
value: ['album'],
title: '相册',
},
{
value: ['camera', 'album'],
title: '拍摄或相册',
}
];
const mediaTypeList : ChooseSource[] = [
{
value: ['image'],
title: '仅图片',
},
{
value: ['video'],
title: '仅视频',
},
{
value: ['image', 'video'],
title: '不限制',
}
];
const orientationTypeList : ChooseSource[] = [
{
value: ['portrait'],
title: '竖屏',
},
{
value: ['landscape'],
title: '横屏',
},
{
value: ['auto'],
title: '自动',
}
];
const cameraTypeList : ChooseSource[] = [
{
value: ['front'],
title: '前置摄像头',
},
{
value: ['back'],
title: '后置摄像头',
}
];
const title = ref('chooseMedia')
const mediaList = ref([] as Array<FileSource>)
const sourceTypeIndex = ref(2)
const mediaTypeIndex = ref(2)
const cameraTypeIndex = ref(1)
const orientationTypeIndex = ref(0)
const albumModeTypeIndex = ref(0)
const count = ref(9)
const maxDuration = ref(10)
const sourceTypes = ref(sourceTypeList as ChooseSource[])
const mediaTypes = ref(mediaTypeList as ChooseSource[])
const cameraTypes = ref(cameraTypeList as ChooseSource[])
const orientationTypes = ref(orientationTypeList as ChooseSource[])
const refCountInput = ref<UniElement | null>(null)
const chooseMediaSource = () => {
uni.showActionSheet({
itemList: ['拍摄', '相册', '拍摄或相册'],
success: (e) => {
sourceTypeIndex.value = e.tapIndex
}
})
}
const chooseMediaType = () => {
uni.showActionSheet({
itemList: ['仅图片', '仅视频', '不限制'],
success: (e) => {
mediaTypeIndex.value = e.tapIndex
}
})
}
const chooseMediaCount = (event: UniInputBlurEvent) => {
let countValue = parseInt(event.detail.value)
if (countValue < 1 || countValue > 9 || isNaN(countValue)) {
uni.showToast({
position: "bottom",
title: "图片数量应该不小于1不大于9"
})
return
}
count.value = countValue
}
const chooseOrientationType = () => {
uni.showActionSheet({
itemList: ['竖屏', '横屏', '自动'],
success: (e) => {
orientationTypeIndex.value = e.tapIndex
}
})
}
const chooseCameraType = () => {
uni.showActionSheet({
itemList: ['前置', '后置'],
success: (e) => {
cameraTypeIndex.value = e.tapIndex
}
})
}
const onMaxDurationConfirm = (value: number) => {
maxDuration.value = value;
}
const chooseMedia = () => {
if (mediaList.value.length >= count.value) {
const message = "已经有" + count.value + "个了，请删除部分后重新选择";
uni.showToast({
position: "bottom",
title: message
})
return
}
uni.chooseMedia({
count: count.value - mediaList.value.length,
sourceType: sourceTypeList[sourceTypeIndex.value].value,
mediaType: mediaTypeList[mediaTypeIndex.value].value,
camera: cameraTypeList[cameraTypeIndex.value].value[0],
// #ifdef APP-IOS
maxDuration: maxDuration.value,
// #endif
// #ifdef APP-ANDROID
pageOrientation: orientationTypeList[orientationTypeIndex.value].value[0],
// #endif
success: (res) => {
const tempFiles : ChooseMediaTempFile[] = res.tempFiles as ChooseMediaTempFile[];
for (let i = 0; i < tempFiles.length; i++) {
const tempFile : ChooseMediaTempFile = tempFiles[i]
const imagePath = tempFile.fileType == "image" ? tempFile.tempFilePath : tempFile.thumbTempFilePath;
const file : FileSource = { imagePath: imagePath!, filePath: tempFile.tempFilePath, fileType: tempFile.fileType };
mediaList.value.push(file);
}
},
fail: (err) => {
console.log("err: ", JSON.stringify(err));
uni.showToast({
title:"choose media error.code:" + err.errCode+";message:"+err.errMsg,
position:"bottom"
})
}
})
}
const previewMedia = (index: number) => {
const file : FileSource = mediaList.value[index];
if (file.fileType == "image") {
uni.previewImage({
current: 0,
urls: [file.filePath]
})
} else {
uni.$once("__ONFULLVIDEOLOAD", () => {
uni.$emit("__ONRECEIVEURL", {
"url": file.filePath,
"cover": file.imagePath
})
})
const url = "/pages/API/choose-media/fullscreen-video";
uni.navigateTo({
url: url,
})
}
}
const removeMedia = (index: number) => {
mediaList.value.splice(index, 1)
}
</script>
<style>
.cell-pd {
padding: 11px 15px;
}
.click-t {
color: darkgray;
}
.list-pd {
margin-top: 25px;
}
.uni-uploader__input-box {
margin: 5px;
width: 104px;
height: 104px;
border: 1px solid #D9D9D9;
}
.uni-uploader__input {
position: absolute;
z-index: 1;
top: 0;
left: 0;
width: 100%;
height: 100%;
opacity: 0;
}
.image-remove {
transform: rotate(45deg);
width: 25px;
height: 25px;
position: absolute;
top: 0;
right: 0;
border-radius: 13px;
background-color: rgba(200, 200, 200, 0.8);
}
.item_width {
width: 130px;
}
</style>
