提交 7a85132a 编写于 作者: 张磊

添加chooseImage示例

上级 3674f7a4
......@@ -720,6 +720,12 @@
"navigationBarTitleText": "保存图片到相册"
}
},
{
"path": "pages/API/choose-image/choose-image",
"style": {
"navigationBarTitleText": "图片"
}
},
{
"path": "pages/component/scroll-view/scroll-view-refresher",
"style": {
......
<template>
<!-- #ifdef APP -->
<scroll-view style="flex:1">
<!-- #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">
图片来源
</view>
<view class="uni-list-cell-right" @click="chooseImageSource">
<text class="click-t">{{sourceType[sourceTypeIndex]}}</text>
</view>
</view>
<view class="uni-list-cell cell-pd">
<view class="uni-list-cell-left uni-label">
图片质量
</view>
<view class="uni-list-cell-right" @click="chooseImageType">
<text class="click-t">{{sizeType[sizeTypeIndex]}}</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" :value="countIndex+1" type="number" :maxlength="1" @confirm="chooseImageCount" confirm-type="done"/>
</view>
</view>
</view>
<view class="uni-list list-pd" style="padding: 30rpx;">
<view class="uni-flex" style="margin-bottom: 20rpx;">
<view class="uni-list-cell-left">点击可预览选好的图片</view>
<view style="margin-left: auto;">
<text class="click-t">{{imageList.length}}/{{countIndex+1}}</text>
</view>
</view>
<view class="uni-flex" style="flex-wrap: wrap;">
<view v-for="(image,index) in imageList" :key="index" class="uni-uploader__input-box" style="border: 0rpx;">
<image style="width: 208rpx; height: 208rpx;" :src="image" :data-src="image" @tap="previewImage(index)"></image>
<image src="/static/plus.png" class="image-remove" @click="removeImage(index)"></image>
</view>
<image class="uni-uploader__input-box" @tap="chooseImage" src="/static/plus.png"></image>
</view>
</view>
</view>
</view>
<!-- #ifdef APP -->
</scroll-view>
<!-- #endif -->
</template>
<script>
var sourceTypeArray : Array<Array<string>> = [
['camera'],
['album'],
['camera', 'album']
]
var sizeTypeArray : Array<Array<string>> = [
['compressed'],
['original'],
['compressed', 'original']
]
export default {
data() {
return {
title: 'choose/previewImage',
imageList: [] as Array<string>,
sourceTypeIndex: 2,
sourceType: ['拍照', '相册', '拍照或相册'],
sizeTypeIndex: 2,
sizeType: ['压缩', '原图', '压缩或原图'],
countIndex: 8,
count: [1, 2, 3, 4, 5, 6, 7, 8, 9]
}
},
onUnload() {
this.imageList = [];
this.sourceTypeIndex = 2
this.sourceType = ['拍照', '相册', '拍照或相册']
this.sizeTypeIndex = 2
this.sizeType = ['压缩', '原图', '压缩或原图']
this.countIndex = 8
},
methods: {
removeImage(index : number) {
this.imageList.splice(index, 1)
},
chooseImageSource() {
uni.showActionSheet({
itemList: ['拍照', '相册', '拍照或相册'],
success(e){
this.sourceTypeIndex = e.tapIndex!
}
})
},
chooseImageType() {
uni.showActionSheet({
itemList: ['压缩', '原图', '压缩或原图'],
success(e){
this.sizeTypeIndex = e.tapIndex!
}
})
},
chooseImageCount(event: InputConfirmEvent) {
let count = parseInt(event.detail.value) - 1
if(count <=0) {
uni.showToast({
position:"bottom",
title:"图片数量应该大于0"
})
return
}
this.countIndex = count
},
chooseImage: function () {
if (this.imageList.length >= 9) {
uni.showToast({
position: "bottom",
title: "已经有9张图片了,请删除部分图片之后重新选择"
})
return
}
uni.chooseImage({
sourceType: sourceTypeArray[this.sourceTypeIndex],
sizeType: sizeTypeArray[this.sizeTypeIndex],
count: this.imageList.length + this.count[this.countIndex] > 9 ? 9 - this.imageList.length : this.count[this.countIndex],
success: (res) => {
this.imageList = this.imageList.concat(res.tempFilePaths);
},
fail: (err) => {
console.log("err: ", JSON.stringify(err));
}
})
},
previewImage: function (index : number) {
uni.previewImage({
current: index,
urls: this.imageList
})
}
}
}
</script>
<style>
.cell-pd {
padding: 22rpx 30rpx;
}
.click-t {
color: darkgray;
}
.list-pd {
margin-top: 50rpx;
}
.uni-uploader__input-box {
margin: 10rpx;
width: 208rpx;
height: 208rpx;
border: 2rpx 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: 50rpx;
height: 50rpx;
position: absolute;
top: 0;
right: 0;
border-radius: 25rpx;
background-color: rgba(200, 200, 200, 0.8);
}
</style>
......@@ -299,7 +299,11 @@
id: 'media',
name: '媒体',
open: false,
pages: [
pages: [
{
name: "图片",
url: 'choose-image'
},
{
name: '图片选择和预览',
url: 'preview-image',
......
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