From acc3970782a8c921d1ea0cf52eed1a8dfd8a5cac Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E2=80=98xiuxiu-yang=E2=80=99?= <‘1974364190@qq.com’>
Date: Mon, 13 Feb 2023 22:56:34 +0800
Subject: [PATCH] feat(component): add upload component

---
 packages/components/index.ts              |   1 +
 packages/components/src/upload/ajax.ts    |  74 +++++++++++++
 packages/components/src/upload/index.ts   |   8 ++
 packages/components/src/upload/props.ts   |  20 ++++
 packages/components/src/upload/style.scss |   6 +
 packages/components/src/upload/types.ts   |   8 ++
 packages/components/src/upload/upload.vue | 129 ++++++++++++++++++++++
 packages/lucky-design/src/components.ts   |  13 ++-
 8 files changed, 253 insertions(+), 6 deletions(-)
 create mode 100644 packages/components/src/upload/ajax.ts
 create mode 100644 packages/components/src/upload/index.ts
 create mode 100644 packages/components/src/upload/props.ts
 create mode 100644 packages/components/src/upload/style.scss
 create mode 100644 packages/components/src/upload/types.ts
 create mode 100644 packages/components/src/upload/upload.vue

diff --git a/packages/components/index.ts b/packages/components/index.ts
index 03805e3..00bc3b3 100644
--- a/packages/components/index.ts
+++ b/packages/components/index.ts
@@ -6,3 +6,4 @@ export * from './src/message'
 export * from './src/drawer'
 export * from './src/checkbox'
 export * from './src/icon'
+export * from './src/upload'
diff --git a/packages/components/src/upload/ajax.ts b/packages/components/src/upload/ajax.ts
new file mode 100644
index 0000000..dea7b0f
--- /dev/null
+++ b/packages/components/src/upload/ajax.ts
@@ -0,0 +1,74 @@
+type XMLHttpFN = (ev: ProgressEvent<XMLHttpRequestEventTarget>) => void
+
+export interface UploadRequestOptions {
+  action: string
+  method: string
+  file: File
+  data?: { [k: string]: string | Blob }
+  filename: string
+  withCredentials: boolean
+  onProgress?: XMLHttpFN
+  onSuccess: (res: any) => void
+  onError?: (
+    actions: string,
+    options: UploadRequestOptions,
+    xhr: XMLHttpRequest
+  ) => void
+}
+
+const getResponce = (xhr: XMLHttpRequest) => {
+  const text = xhr.responseText || xhr.response
+
+  try {
+    return JSON.parse(text)
+  }
+  catch (error) {
+    return text
+  }
+}
+
+export const httpRequest = (options: UploadRequestOptions): XMLHttpRequest => {
+  if (typeof XMLHttpRequest === 'undefined')
+    throw new Error('XMLHttpRequest is undefined')
+  const {
+    action,
+    method,
+    file,
+    data,
+    filename,
+    withCredentials,
+    onProgress,
+    onSuccess,
+    onError,
+  } = options
+
+  const xhr = new XMLHttpRequest()
+
+  const formData = new FormData()
+
+  if (data) {
+    for (const key in data)
+      formData.append(key, data[key])
+  }
+
+  xhr.open(method, action, true)
+
+  xhr.addEventListener('progress', (ev) => {
+    onProgress && onProgress(ev)
+  })
+
+  xhr.addEventListener('error', () => {
+    onError && onError(action, options, xhr)
+  })
+
+  xhr.addEventListener('load', () => {
+    onSuccess && onSuccess(getResponce(xhr))
+  })
+
+  xhr.withCredentials = withCredentials
+
+  formData.append(filename, file, file.name)
+
+  xhr.send(formData)
+  return xhr
+}
diff --git a/packages/components/src/upload/index.ts b/packages/components/src/upload/index.ts
new file mode 100644
index 0000000..e70436e
--- /dev/null
+++ b/packages/components/src/upload/index.ts
@@ -0,0 +1,8 @@
+import { withInstall } from '@lucky-design/common'
+import Upload from './upload.vue'
+import './style.scss'
+
+export const LUpload = withInstall(Upload)
+
+export * from './props'
+export default LUpload
diff --git a/packages/components/src/upload/props.ts b/packages/components/src/upload/props.ts
new file mode 100644
index 0000000..4010162
--- /dev/null
+++ b/packages/components/src/upload/props.ts
@@ -0,0 +1,20 @@
+import type { MethodType } from './types'
+import type { UploadRequestOptions } from './ajax'
+
+export interface IUploadProps {
+  action: string
+  data?: { [k: string]: string | Blob }
+  method?: MethodType
+  name?: string
+  multiple?: boolean
+  withCredentials?: boolean
+  disabled?: boolean
+  beforeUpload?: (file: File) => Promise<any>
+  onProgress?: (et: ProgressEvent<XMLHttpRequestEventTarget>) => void
+  onSuccess?: (res: any) => void
+  onError?: (
+    actions: string,
+    options: UploadRequestOptions,
+    xhr: XMLHttpRequest
+  ) => void
+}
diff --git a/packages/components/src/upload/style.scss b/packages/components/src/upload/style.scss
new file mode 100644
index 0000000..0376293
--- /dev/null
+++ b/packages/components/src/upload/style.scss
@@ -0,0 +1,6 @@
+.ld-upload {
+  @apply cursor-pointer flex-inline justify-center items-center;
+  .ld-upload_input {
+    @apply hidden;
+  }
+}
diff --git a/packages/components/src/upload/types.ts b/packages/components/src/upload/types.ts
new file mode 100644
index 0000000..c3fa81b
--- /dev/null
+++ b/packages/components/src/upload/types.ts
@@ -0,0 +1,8 @@
+export type MethodType =
+  | 'post'
+  | 'get'
+  | 'delete'
+  | 'head'
+  | 'option'
+  | 'patch'
+  | 'put'
diff --git a/packages/components/src/upload/upload.vue b/packages/components/src/upload/upload.vue
new file mode 100644
index 0000000..41f45ee
--- /dev/null
+++ b/packages/components/src/upload/upload.vue
@@ -0,0 +1,129 @@
+<script setup lang="ts">
+import { shallowReactive, shallowRef } from 'vue'
+import { httpRequest } from './ajax'
+import type { UploadRequestOptions } from './ajax'
+
+const props = withDefaults(
+  defineProps<{
+    action: string
+    data?: { [k: string]: string | Blob }
+    method?: string
+    autoUpload?: boolean
+    name?: string
+    multiple?: boolean
+    accept?: string
+    withCredentials?: boolean
+    disabled?: boolean
+    beforeUpload?: (file: File) => Promise<any>
+    onProgress?: (et: ProgressEvent<XMLHttpRequestEventTarget>) => void
+    onSuccess?: (res: any) => void
+    onError?: (
+      actions: string,
+      options: UploadRequestOptions,
+      xhr: XMLHttpRequest
+    ) => void
+  }>(),
+  {
+    method: 'post',
+    name: 'file',
+    autoUpload: true,
+    withCredentials: false,
+    disabled: false,
+    multiple: false,
+  },
+)
+
+const inCompleteFiles = shallowRef<File[]>([])
+const completeFiles = shallowReactive<File[]>([])
+const requests = shallowReactive<XMLHttpRequest[]>([])
+const inputRef = shallowRef<HTMLInputElement>()
+const upload = (file: File) => {
+  const {
+    action,
+    method,
+    data,
+    withCredentials,
+    name: filename,
+    beforeUpload,
+    onProgress,
+    onSuccess,
+    onError,
+  } = props
+
+  const options: UploadRequestOptions = {
+    action,
+    method,
+    data,
+    withCredentials,
+    file,
+    filename,
+    onProgress,
+    onError,
+    onSuccess: (res) => {
+      completeFiles.push(file)
+      inCompleteFiles.value = inCompleteFiles.value.filter(v => v !== file)
+      onSuccess && onSuccess(res)
+    },
+  }
+
+  if (beforeUpload) {
+    beforeUpload(file)
+      .then(() => {
+        const xhr = httpRequest(options)
+        requests.push(xhr)
+      })
+      .catch(() => {})
+  }
+  else {
+    const xhr = httpRequest(options)
+    requests.push(xhr)
+  }
+}
+const uploadFiles = (files: File[]) => {
+  if (!files.length)
+    return
+
+  for (const file of files) {
+    inCompleteFiles.value.push(file)
+    if (props.autoUpload)
+      upload(file)
+  }
+}
+const handleChange = (e: Event) => {
+  const files = (e.target as HTMLInputElement).files
+  if (!files)
+    return
+  uploadFiles(Array.from(files))
+}
+
+const handleClick = () => {
+  if (!props.disabled)
+    inputRef.value?.click()
+}
+
+const abort = () => {
+  for (const xhr of requests) xhr.abort()
+}
+
+defineExpose({
+  abort,
+  upload,
+  inCompleteFiles,
+})
+</script>
+
+<template>
+  <div class="ld-upload" @click="handleClick">
+    <slot />
+    <input
+      ref="inputRef"
+      class="ld-upload_input"
+      :name="name"
+      :disabled="disabled"
+      :multiple="multiple"
+      type="file"
+      @change="handleChange"
+      @click.stop
+    >
+  </div>
+</template>
diff --git a/packages/lucky-design/src/components.ts b/packages/lucky-design/src/components.ts
index ec1ab30..cf0f5f4 100644
--- a/packages/lucky-design/src/components.ts
+++ b/packages/lucky-design/src/components.ts
@@ -1,8 +1,9 @@
-import { LButton, LDrawer, LMessage, LTree } from '@lucky-design/components'
-
-export const plugins = [
+import {
   LButton,
-  LTree,
-  LMessage,
   LDrawer,
-] as const
+  LMessage,
+  LTree,
+  LUpload,
+} from '@lucky-design/components'
+
+export const plugins = [LButton, LTree, LMessage, LDrawer, LUpload] as const