基础设施：增加前端直连上传文件到S3服务的功能

src/components/UploadFile/src/UploadFile.vue

@@ -3,11 +3,10 @@
     <el-upload
       ref="uploadRef"
       v-model:file-list="fileList"
-      :action="updateUrl"
+      :action="uploadUrl"
       :auto-upload="autoUpload"
       :before-upload="beforeUpload"
       :drag="drag"
-      :headers="uploadHeaders"
       :limit="props.limit"
       :multiple="props.limit > 1"
       :on-error="excelUploadError"
@@ -16,6 +15,7 @@
       :on-remove="handleRemove"
       :on-success="handleFileSuccess"
       :show-file-list="true"
+      :http-request="httpRequest"
       class="upload-file-uploader"
       name="file"
     >
@@ -36,9 +36,10 @@
 </template>
 <script lang="ts" setup>
 import { propTypes } from '@/utils/propTypes'
-import { getAccessToken, getTenantId } from '@/utils/auth'
 import type { UploadInstance, UploadProps, UploadRawFile, UploadUserFile } from 'element-plus'
 import { isString } from '@/utils/is'
+import { useUpload } from '@/components/UploadFile/src/useUpload'
+import { UploadFile } from 'element-plus/es/components/upload/src/upload'
 
 defineOptions({ name: 'UploadFile' })
 
@@ -48,7 +49,6 @@ const emit = defineEmits(['update:modelValue'])
 const props = defineProps({
   modelValue: propTypes.oneOfType<string | string[]>([String, Array<String>]).isRequired,
   title: propTypes.string.def('文件上传'),
-  updateUrl: propTypes.string.def(import.meta.env.VITE_UPLOAD_URL),
   fileType: propTypes.array.def(['doc', 'xls', 'ppt', 'txt', 'pdf']), // 文件类型, 例如['png', 'jpg', 'jpeg']
   fileSize: propTypes.number.def(5), // 大小限制(MB)
   limit: propTypes.number.def(5), // 数量限制
@@ -62,10 +62,8 @@ const uploadRef = ref<UploadInstance>()
 const uploadList = ref<UploadUserFile[]>([])
 const fileList = ref<UploadUserFile[]>([])
 const uploadNumber = ref<number>(0)
-const uploadHeaders = ref({
-  Authorization: 'Bearer ' + getAccessToken(),
-  'tenant-id': getTenantId()
-})
+
+const { uploadUrl, httpRequest } = useUpload()
 
 // 文件上传之前判断
 const beforeUpload: UploadProps['beforeUpload'] = (file: UploadRawFile) => {
@@ -120,10 +118,10 @@ const excelUploadError: UploadProps['onError'] = (): void => {
   message.error('导入数据失败，请您重新上传！')
 }
 // 删除上传文件
-const handleRemove = (file) => {
-  const findex = fileList.value.map((f) => f.name).indexOf(file.name)
-  if (findex > -1) {
-    fileList.value.splice(findex, 1)
+const handleRemove = (file: UploadFile) => {
+  const index = fileList.value.map((f) => f.name).indexOf(file.name)
+  if (index > -1) {
+    fileList.value.splice(index, 1)
     emitUpdateModelValue()
   }
 }

src/components/UploadFile/src/UploadImg.vue

@@ -3,15 +3,15 @@
     <el-upload
       :id="uuid"
       :accept="fileType.join(',')"
-      :action="updateUrl"
+      :action="uploadUrl"
       :before-upload="beforeUpload"
       :class="['upload', drag ? 'no-border' : '']"
       :drag="drag"
-      :headers="uploadHeaders"
       :multiple="false"
       :on-error="uploadError"
       :on-success="uploadSuccess"
       :show-file-list="false"
+      :http-request="httpRequest"
     >
       <template v-if="modelValue">
         <img :src="modelValue" class="upload-image" />
@@ -50,8 +50,8 @@ import type { UploadProps } from 'element-plus'
 
 import { generateUUID } from '@/utils'
 import { propTypes } from '@/utils/propTypes'
-import { getAccessToken, getTenantId } from '@/utils/auth'
 import { createImageViewer } from '@/components/ImageViewer'
+import { useUpload } from '@/components/UploadFile/src/useUpload'
 
 defineOptions({ name: 'UploadImg' })
 
@@ -70,7 +70,6 @@ type FileTypes =
 // 接受父组件参数
 const props = defineProps({
   modelValue: propTypes.string.def(''),
-  updateUrl: propTypes.string.def(import.meta.env.VITE_UPLOAD_URL),
   drag: propTypes.bool.def(true), // 是否支持拖拽上传 ==> 非必传（默认为 true）
   disabled: propTypes.bool.def(false), // 是否禁用上传组件 ==> 非必传（默认为 false）
   fileSize: propTypes.number.def(5), // 图片大小限制 ==> 非必传（默认为 5M）
@@ -101,10 +100,7 @@ const deleteImg = () => {
   emit('update:modelValue', '')
 }
 
-const uploadHeaders = ref({
-  Authorization: 'Bearer ' + getAccessToken(),
-  'tenant-id': getTenantId()
-})
+const { uploadUrl, httpRequest } = useUpload()
 
 const editImg = () => {
   const dom = document.querySelector(`#${uuid.value} .el-upload__input`)

src/components/UploadFile/src/UploadImgs.vue

@@ -3,16 +3,16 @@
     <el-upload
       v-model:file-list="fileList"
       :accept="fileType.join(',')"
-      :action="updateUrl"
+      :action="uploadUrl"
       :before-upload="beforeUpload"
       :class="['upload', drag ? 'no-border' : '']"
       :drag="drag"
-      :headers="uploadHeaders"
       :limit="limit"
       :multiple="true"
       :on-error="uploadError"
       :on-exceed="handleExceed"
       :on-success="uploadSuccess"
+      :http-request="httpRequest"
       list-type="picture-card"
     >
       <div class="upload-empty">
@@ -50,7 +50,7 @@ import type { UploadFile, UploadProps, UploadUserFile } from 'element-plus'
 import { ElNotification } from 'element-plus'
 
 import { propTypes } from '@/utils/propTypes'
-import { getAccessToken, getTenantId } from '@/utils/auth'
+import { useUpload } from '@/components/UploadFile/src/useUpload'
 
 defineOptions({ name: 'UploadImgs' })
 
@@ -70,7 +70,6 @@ type FileTypes =
 
 const props = defineProps({
   modelValue: propTypes.oneOfType<string | string[]>([String, Array<String>]).isRequired,
-  updateUrl: propTypes.string.def(import.meta.env.VITE_UPLOAD_URL),
   drag: propTypes.bool.def(true), // 是否支持拖拽上传 ==> 非必传（默认为 true）
   disabled: propTypes.bool.def(false), // 是否禁用上传组件 ==> 非必传（默认为 false）
   limit: propTypes.number.def(5), // 最大图片上传数 ==> 非必传（默认为 5张）
@@ -81,10 +80,7 @@ const props = defineProps({
   borderradius: propTypes.string.def('8px') // 组件边框圆角 ==> 非必传（默认为 8px）
 })
 
-const uploadHeaders = ref({
-  Authorization: 'Bearer ' + getAccessToken(),
-  'tenant-id': getTenantId()
-})
+const { uploadUrl, httpRequest } = useUpload()
 
 const fileList = ref<UploadUserFile[]>([])
 const uploadNumber = ref<number>(0)
@@ -121,7 +117,6 @@ const emit = defineEmits<UploadEmits>()
 const uploadSuccess: UploadProps['onSuccess'] = (res: any): void => {
   message.success('上传成功')
   // 删除自身
-  debugger
   const index = fileList.value.findIndex((item) => item.response?.data === res.data)
   fileList.value.splice(index, 1)
   uploadList.value.push({ name: res.data, url: res.data })

src/components/UploadFile/src/useUpload.ts

@@ -0,0 +1,87 @@
+import { getAccessToken, getTenantId } from '@/utils/auth'
+import * as FileApi from '@/api/infra/file'
+import CryptoJS from 'crypto-js'
+import { UploadRawFile, UploadRequestOptions } from 'element-plus/es/components/upload/src/upload'
+import { ajaxUpload } from 'element-plus/es/components/upload/src/ajax'
+import axios from 'axios'
+
+export const useUpload = () => {
+  // 后端上传地址
+  const uploadUrl = import.meta.env.VITE_UPLOAD_URL
+  // 是否使用前端直连上传
+  const isClientUpload = UPLOAD_TYPE.CLIENT === import.meta.env.VITE_UPLOAD_TYPE
+  // 重写ElUpload上传方法
+  const httpRequest = async (options: UploadRequestOptions) => {
+    // 模式一：前端上传
+    if (isClientUpload) {
+      // 1.1 生成文件名称
+      const fileName = await generateFileName(options.file)
+      // 1.2 获取文件预签名地址
+      const presignedInfo = await FileApi.getFilePresignedUrl(fileName)
+      // 1.3 上传文件（不能使用ElUpload的ajaxUpload方法的原因：其使用的是FormData上传，Minio不支持）
+      return axios.put(presignedInfo.url, options.file).then(() => {
+        // 1.4. 记录文件信息到后端
+        const fileVo = createFile(presignedInfo.configId, fileName, presignedInfo.url, options.file)
+        // 通知成功，数据格式保持与后端上传的返回结果一致
+        return { data: fileVo.url }
+      })
+    } else {
+      // 模式二：后端上传（需要增加后端身份认证请求头）
+      options.headers['Authorization'] = 'Bearer ' + getAccessToken()
+      options.headers['tenant-id'] = getTenantId()
+      // 使用ElUpload的上传方法
+      return ajaxUpload(options)
+    }
+  }
+
+  return {
+    uploadUrl,
+    httpRequest
+  }
+}
+
+/**
+ * 创建文件信息
+ * @param configId 文件配置编号
+ * @param name 文件名称
+ * @param url 文件地址
+ * @param file 文件
+ */
+function createFile(configId: number, name: string, url: string, file: UploadRawFile) {
+  const fileVo = {
+    configId: configId,
+    path: name,
+    // 移除预签名参数：参数只在上传时有用，查看时不需要
+    url: url.substring(0, url.indexOf('?')),
+    name: file.name,
+    type: file.type,
+    size: file.size
+  }
+  FileApi.createFile(fileVo)
+  return fileVo
+}
+
+/**
+ * 生成文件名称（使用算法SHA256）
+ * @param file 要上传的文件
+ */
+async function generateFileName(file: UploadRawFile) {
+  // 读取文件内容
+  const data = await file.arrayBuffer()
+  const wordArray = CryptoJS.lib.WordArray.create(data)
+  // 计算SHA256
+  const sha256 = CryptoJS.SHA256(wordArray).toString()
+  // 拼接后缀
+  const ext = file.name.substring(file.name.lastIndexOf('.'))
+  return `${sha256}${ext}`
+}
+
+/**
+ * 上传类型
+ */
+enum UPLOAD_TYPE {
+  // 客户端直接上传（只支持S3服务）
+  CLIENT = 'client',
+  // 客户端发送到后端上传
+  SERVER = 'server'
+}