参考文档
<script setup lang="ts">
import { ref, reactive } from 'vue'
import Taro from '@tarojs/taro'
import { encryptData } from '@/http/encrypt'
const url = {
upload: '/file/upload'
}
const uploadUrl = process.env.TARO_APP_PROXY + url.upload
interface Image {
name: string
url: string
}
interface FormType {
images: Image[]
[key: string]: any
}
const formData = reactive<FormType>({
images: []
})
const uploadFileList = ref<any[]>([])
function uploadFile (src, taroUploadFile, options) {
const fs = Taro.getFileSystemManager()
fs.getFileInfo({
filePath: src,
success: (res) => {
console.log('getFileInfo res', res)
}
})
fs.readFile({ // 读取本地文件内容。单个文件大小上限为100M
filePath: src, // 要读取的文件的路径 (本地路径)
encoding: 'base64', // 指定读取文件的字符编码，如果不传 encoding，则以 ArrayBuffer 格式读取文件的二进制内容
success: (res) => {
console.log('readFile', res)
const data = {
decodeFile: res.data, // 以base64字符串上传
fileFormat: options.taroFilePath.slice(options.taroFilePath.lastIndexOf('.') + 1)
}
const uploadData = encryptData(data, 'post') // 接口传参加密，不加密可忽略
const uploadTask = taroUploadFile({
url: options.url,
filePath: src,
name: options.name,
fileType: options.fileType,
header: {
'Content-Type': 'application/x-www-form-urlencoded'
},
formData: uploadData,
success: (response: { errMsg; statusCode; data }) => {
if (options.xhrState == response.statusCode) {
options.onSuccess?.(response, options)
} else {
options.onFailure?.(response, options)
}
},
fail: (e) => {
options.onFailure?.(e, options)
}
})
options.onStart?.(options)
uploadTask.progress((res) => {
options.onProgress?.(res, options)
// console.log('上传进度', res.progress);
// console.log('已经上传的数据长度', res.totalBytesSent);
// console.log('预期需要上传的数据总长度', res.totalBytesExpectedToSend);
})
},
fail: (err) => {
console.error(err)
}
})
}
function beforeXhrUpload (taroUploadFile, options) {
console.log('before taroUploadFile', taroUploadFile)
console.log('before options', options)
Taro.compressImage({
src: options.taroFilePath,
quality: 80,
compressedWidth: 300,
success: (res: any) => {
console.log('compress', res)
uploadFile(res.tempFilePath, taroUploadFile, options)
},
fail: (err: any) => {
console.log('compress err', err)
abortUpload(taroUploadFile, options)
}
})
}
function abortUpload (taroUploadFile, options) {
const uploadTask = taroUploadFile(options)
uploadTask.abort()
}
function onStart (options) {
console.log('start options', options)
}
function onDelete ({index}) {
console.log('delete', index)
formData.images.splice(index, 1)
console.log('images', formData.images)
console.log('uploadFileList', uploadFileList.value)
}
function onOversize (files) {
console.log('oversize files', files)
}
function onSuccess ({data}) {
console.log('success', data)
const res = JSON.parse(data.data)
console.log('res', res)
if (res.message.code === 0) {
formData.images.push({
name: res.data.fileUrl.split('/').pop(),
url: res.data.fileUrl
})
console.log('images', formData.images)
} else {
Taro.showToast({
title: res.message.message,
icon: 'none',
mask: true,
duration: 2000
})
}
console.log('uploadFileList', uploadFileList.value)
}
function onFailure ({data}) {
console.log('failure', data)
if (data !== undefined) {
Taro.showToast({
title: '上传失败',
icon: 'none',
mask: true,
duration: 2000
})
uploadFileList.value.pop()
console.log('uploadFileList', uploadFileList.value)
}
}
</script>
<template>
<view>
<view class="m-image-wrap">
<view class="u-head">
上传照片<text class="u-tip">（最多支持3张）</text>
</view>
<view class="m-upload-wrap">
<nut-uploader
v-model:file-list="uploadFileList"
:url="uploadUrl"
multiple
:maximize="10 * 1024 * 1024"
:maximum="3"
:media-type="['image']"
:size-type="['compressed']"
:before-xhr-upload="beforeXhrUpload"
@start="onStart"
@delete="onDelete"
@oversize="onOversize"
@success="onSuccess"
@failure="onFailure" />
</view>
</view>
</view>
</template>
<style lang="less">
.m-image-wrap {
padding: 24px 28px 40px;
margin: 20px auto;
width: 690px;
height: 349px;
background: #FFFFFF;
border-radius: 12px;
.m-upload-wrap {
margin-top: 40px;
.nut-uploader__preview {
margin-bottom: 0;
margin-right: 0;
&:not(:last-child) {
margin-right: 17px;
}
}
}
}
</style>
