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Huanyuyuehui/pages/admin/scan/index.vue

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init
2024-03-21 17:52:58 +08:00
<template>
<view class="main">
<block v-if="uploading">
<view class="image-list">
<view class="input_photo acea-row row-middle">
<view class="pictrue" v-if="index<=19" v-for="(item, index) in imgList" :key="index">
<easy-loadimage mode="widthFix" :image-src="item.src"></easy-loadimage>
<view class="close_btn" @click="DelPic(index)"><text class="iconfont icon-guanbi4"></text></view>
</view>
</view>
<view v-if="!imgList.length" class="acea-row row-center-wrapper row-column add" @click="add">
<view><text class='iconfont icon-a-guanzhu'></text></view>
<view class="text">点击选择图片</view>
</view>
</view>
<view class='footer acea-row row-between-wrapper'>
<view v-if="imgList.length">
共{{imgList.length}}/{{ limit }}张，{{ (allSize).toFixed(2) }} M
</view>
<view v-else></view>
<view class="upload-btn acea-row row-between-wrapper">
<button v-if="imgList.length < limit" class="btn" @click="add"> {{ imgList.length ? '继续选择' : '选择图片' }}</button>
<button class="btn upload" :class="{ 'no-pic': !imgList.length }" @click="submitUpload">确认上传</button>
</view>
</view>
</block>
<block v-else>
<view class="upload-success">
<view class="success">
<img class="image" :src="domain+'/static/images/success.jpg'" alt="" />
</view>
<view class="text">图片上传成功</view>
<view class="again" @click="again">继续上传</view>
</view>
</block>
</view>
</template>
<script>
去除版权注释
2024-03-21 18:05:36 +08:00
init
2024-03-21 17:52:58 +08:00
import easyLoadimage from '@/components/easy-loadimage/easy-loadimage.vue';
import {TOKENNAME,HTTP_REQUEST_URL} from '@/config/app.js';
import {scanUpload} from '@/api/admin.js'
import store from '@/store';
export default {
components: {
easyLoadimage
},
data() {
return {
uploading: true,
domain: HTTP_REQUEST_URL,
imgList: [],
fileList: [],
token: "",
images: [],
mer_id: 0,
allSize: 0,
limit: 20,
}
},
onLoad(options) {
this.token = options.token
this.mer_id = options.mer_id || 0
},
onShow() {
},
methods: {
add() {
let that = this
uni.chooseImage({
count: 100, //最多可以选择的图片总数
sizeType: ['compressed'], // 可以指定是原图还是压缩图，默认二者都有
sourceType: ['album', 'camera'], // 可以指定来源是相册还是相机，默认二者都有
success: (res)=> {
let imageList = [];
for (let i = 0; i < res.tempFiles.length; i++) {
uni.getImageInfo({
src:res.tempFilePaths[i],
success: function(image) {
let canvasWidth = image.width //图片原始长宽
let canvasHeight = image.height;
let base = canvasWidth/canvasHeight;
if(canvasWidth>400){
canvasWidth = 400;
canvasHeight = Math.floor(canvasWidth/base);
}
let img = document.createElement('img');
img.src = res.tempFilePaths[i]; // 要压缩的图片
let canvas = document.createElement('canvas');
let ctx = canvas.getContext('2d');
canvas.width = canvasWidth;
canvas.height = canvasHeight;
// 将图片画到canvas上面 使用Canvas压缩
ctx.drawImage(img, 0, 0, canvasWidth, canvasHeight);
canvas.toBlob(function (blob) {
let file = new File([blob], res.tempFiles[i].name, {type: blob.type})
let imgSrc = window.URL.createObjectURL(blob);//原生JS生成文件路径
that.images.push({img:imgSrc,name: res.tempFiles[i].name })
console.log('压缩完图片路径',imgSrc)
const sizeInBytes = blob.size //获取Blob对象的大小（以字节为单位）
const sizeInKB = sizeInBytes / 1024 / 1024 //将大小转换为KB
if(that.imgList.length<20){
that.imgList.push({src:imgSrc,size:sizeInKB})
that.allSize += sizeInKB
}
}, 'image/jpeg', 0.8);
},fail(err) {
console.log("读取图片失败：", err)
}
});
}
}
})
},
async submitUpload(){
let that = this;
for (let i = 0; i < that.images.length; i++) {
await that.uploadImages(that.images[i])
if (i == that.imgList.length - 1) {
that.uploading = false;
that.loading = false;
}
}
},
uploadImages(data){
let that = this
return new Promise(async (resolve) => {
//启动上传等待中...
uni.showLoading({
title: '上传中...',
});
uni.uploadFile({
url: HTTP_REQUEST_URL + '/api/scan_upload/image/field/' + that.token,
filePath: data.img,
name: 'field',
formData: {name: data.name, mer_id: that.mer_id},
header: {
[TOKENNAME]: 'Bearer ' + store.state.app.token
},
success: function(res) {
uni.hideLoading();
if (res.statusCode == 403) {
that.$util.Tips({
title: res.message
});
} else {
let data = res.data ? JSON.parse(res.data) : {};
if (data.status == 200) {
resolve(data);
} else {
that.$util.Tips({
title: res.message
});
}
}
},
fail: function(res) {
uni.hideLoading();
that.$util.Tips({
title: res
});
}
})
})
},
/**删除图片*/
DelPic: function(index) {
let that = this
that.imgList.splice(index, 1);
that.images.splice(index, 1);
that.getImageSize();
},
/*计算总的图片大小*/
getImageSize(){
let s = 0;
if (this.imgList.length) {
this.imgList.map((e) => {
s += e.size;
});
this.allSize = s;
} else {
this.allSize = 0;
}
},
/*继续上传*/
again(){
this.uploading = true;
this.imgList = [];
this.images = [];
this.allSize = 0;
}
},
onHide() {
}
}
</script>
<style lang="scss" scoped>
page{
background: #ffffff;
}
.main {
width: 100%;
.image-list{
padding: 20rpx;
overflow: scroll;
height: calc(100vh - 90rpx);
}
.add{
height: 300rpx;
background: #f9f9f9;
border: 1px dashed #ebeef5;
border-radius: 12rpx;
color: #bbbbbb;
.icon-a-guanzhu{
font-size: 46rpx;
font-weight: bold;
}
.text{
font-size: 26rpx;
color: #999;
margin-top: 32rpx;
}
}
/deep/.input_photo .easy-loadimage,/deep/.input_photo uni-image,/deep/.input_photo image{
width: 230rpx;
height: 230rpx;
border-radius: 12rpx!important;
}
.pictrue{
width: 220rpx;
height: 220rpx;
border-radius: 12rpx!important;
margin: 0 15rpx 10rpx 0;
position: relative;
overflow: hidden;
&:nth-child(3n){
margin-right: 0;
}
.close_btn{
width: 30rpx;
height: 30rpx;
background: rgba(0,0,0,.6);
border-radius: 0 12rpx 0 12rpx;
position: absolute;
top: 0;
right: 0;
display: flex;
align-items: center;
justify-content: center;
z-index: 10;
.iconfont{
color: #ffffff;
font-size: 12rpx;
}
}
}
}
.footer {
padding: 0 20rpx 0 30rpx;
position: fixed;
bottom: 0;
width: 100%;
box-sizing: border-box;
background-color: rgba(255, 255, 255, 0.85);
backdrop-filter: blur(20rpx);
z-index: 277;
border-top: 2rpx solid #f0f0f0;
height: 80rpx;
height: calc(80rpx+ constant(safe-area-inset-bottom)); ///兼容 IOS<11.2/
height: calc(80rpx + env(safe-area-inset-bottom)); ///兼容 IOS>11.2/
display: flex;
align-items: center;
justify-content: space-between;
color: #666666;
font-size: 24rpx;
.btn {
border: 2rpx solid #cccccc;
width: 170rpx;
height: 60rpx;
border-radius: 30rpx;
color: #000;
font-size: 26rpx;
font-family: PingFang SC-Regular, PingFang SC;
font-weight: 400;
color: #666666;
display: flex;
align-items: center;
justify-content: center;
}
.upload {
background-color: #e93323;
color: #fff;
margin-left: 20rpx;
}
.upload.no-pic {
background: #e93323;
opacity: 0.3;
}
}
.upload-success {
display: flex;
align-items: center;
justify-content: center;
flex-direction: column;
height: 80vh;
.success {
width: 100rpx;
height: 100rpx;
background: #4bbc12;
border-radius: 50%;
display: flex;
align-items: center;
justify-content: center;
margin-bottom: 40rpx;
.image {
width: 60%;
}
}
.text {
font-size: 32rpx;
font-family: PingFang SC-Medium, PingFang SC;
font-weight: 500;
color: #282828;
margin-bottom: 80rpx;
}
.again {
width: 300rpx;
height: 86rpx;
border-radius: 42rpx;
text-align: center;
line-height: 86rpx;
font-size: 30rpx;
font-weight: 400;
color: #333333;
border: 2rpx solid #cccccc;
}
}
</style>