<template>
<view>
<page-head :title="title"></page-head>
<view class="uni-common-mt">
<form>
<view class="uni-list">
<view class="uni-list-cell">
<view class="uni-list-cell-left">
<view class="uni-label">图片来源</view>
</view>
<view class="uni-list-cell-right">
<picker :range="sourceType" @change="sourceTypeChange" :value="sourceTypeIndex" mode="selector">
<view class="uni-input">{{sourceType[sourceTypeIndex]}}</view>
</picker>
</view>
</view>
<view class="uni-list-cell">
<view class="uni-list-cell-left">
<view class="uni-label">图片质量</view>
</view>
<view class="uni-list-cell-right">
<picker :range="sizeType" @change="sizeTypeChange" :value="sizeTypeIndex" mode="selector">
<view class="uni-input">{{sizeType[sizeTypeIndex]}}</view>
</picker>
</view>
</view>
<view class="uni-list-cell">
<view class="uni-list-cell-left">
<view class="uni-label">数量限制</view>
</view>
<view class="uni-list-cell-right">
<picker :range="count" @change="countChange" mode="selector">
<view class="uni-input">{{count[countIndex]}}</view>
</picker>
</view>
</view>
</view>
<view class="uni-list list-pd">
<view class="uni-list-cell cell-pd">
<view class="uni-uploader">
<view class="uni-uploader-head">
<view class="uni-uploader-title">点击可预览选好的图片</view>
<view class="uni-uploader-info">{{imageList.length}}/9</view>
</view>
<view class="uni-uploader-body">
<view class="uni-uploader__files">
<block v-for="(image,index) in imageList" :key="index">
<view class="uni-uploader__file">
<image class="uni-uploader__img" :src="image" :data-src="image" @tap="previewImage"></image>
</view>
</block>
<view class="uni-uploader__input-box">
<view class="uni-uploader__input" @tap="chooseImage"></view>
</view>
</view>
</view>
</view>
</view>
</view>
</form>
</view>
</view> </template>
<script>
import permision from "@/common/permission.js"
var sourceType = [
['camera'],
['album'],
['camera', 'album']
]
var sizeType = [
['compressed'],
['original'],
['compressed', 'original']
]
export default {
data() {
return {
title: 'choose/previewImage',
imageList: [],
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: {
sourceTypeChange: function(e) {
this.sourceTypeIndex = parseInt(e.detail.value)
},
sizeTypeChange: function(e) {
this.sizeTypeIndex = parseInt(e.detail.value)
},
countChange: function(e) {
this.countIndex = e.detail.value;
},
chooseImage: async function() {
// #ifdef APP-PLUS
// TODO 选择相机或相册时 需要弹出actionsheet，目前无法获得是相机还是相册，在失败回调中处理
if (this.sourceTypeIndex !== 2) {
let status = await this.checkPermission();
if (status !== 1) {
return;
}
}
// #endif
if (this.imageList.length === 9) {
let isContinue = await this.isFullImg();
console.log("是否继续?", isContinue);
if (!isContinue) {
return;
}
}
uni.chooseImage({
sourceType: sourceType[this.sourceTypeIndex],
sizeType: sizeType[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: ",err);
// #ifdef APP-PLUS
if (err['code'] && err.code !== 0 && this.sourceTypeIndex === 2) {
this.checkPermission(err.code);
}
// #endif
// #ifdef MP
if(err.errMsg.indexOf('cancel') !== '-1'){
return;
}
uni.getSetting({
success: (res) => {
let authStatus = false;
switch (this.sourceTypeIndex) {
case 0:
authStatus = res.authSetting['scope.camera'];
break;
case 1:
authStatus = res.authSetting['scope.album'];
break;
case 2:
authStatus = res.authSetting['scope.album'] && res.authSetting['scope.camera'];
break;
default:
break;
}
if (!authStatus) {
uni.showModal({
title: '授权失败',
content: 'Hello uni-app需要从您的相机或相册获取图片，请在设置界面打开相关权限',
success: (res) => {
if (res.confirm) {
uni.openSetting()
}
}
})
}
}
})
// #endif
}
})
},
isFullImg: function() {
return new Promise((res) => {
uni.showModal({
content: "已经有9张图片了,是否清空现有图片？",
success: (e) => {
if (e.confirm) {
this.imageList = [];
res(true);
} else {
res(false)
}
},
fail: () => {
res(false)
}
})
})
},
previewImage: function(e) {
var current = e.target.dataset.src
uni.previewImage({
current: current,
urls: this.imageList
})
},
async checkPermission(code) {
let type = code ? code - 1 : this.sourceTypeIndex;
let status = permision.isIOS ? await permision.requestIOS(sourceType[type][0]) :
await permision.requestAndroid(type === 0 ? 'android.permission.CAMERA' :
'android.permission.READ_EXTERNAL_STORAGE');
if (status === null || status === 1) {
status = 1;
} else {
uni.showModal({
content: "没有开启权限",
confirmText: "设置",
success: function(res) {
if (res.confirm) {
permision.gotoAppSetting();
}
}
})
}
return status;
}
}
} </script>
<style>
.cell-pd {
padding: 22rpx 30rpx;
}
.list-pd {
margin-top: 50rpx;
} </style>
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