add vc-upload

pull/165/head
wangxueliang 7 years ago
parent 2bea54c4fa
commit e9899ac09f

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import upload from './src'
export default upload

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import PropTypes from '../../_util/vue-types'
import BaseMixin from '../../_util/BaseMixin'
import classNames from 'classnames'
import defaultRequest from './request'
import getUid from './uid'
import attrAccept from './attr-accept'
const upLoadPropTypes = {
component: PropTypes.string,
// style: PropTypes.object,
prefixCls: PropTypes.string,
// className: PropTypes.string,
multiple: PropTypes.bool,
disabled: PropTypes.bool,
accept: PropTypes.string,
// children: PropTypes.any,
// onStart: PropTypes.func,
data: PropTypes.oneOfType([
PropTypes.object,
PropTypes.func,
]),
headers: PropTypes.object,
beforeUpload: PropTypes.func,
customRequest: PropTypes.func,
// onProgress: PropTypes.func,
withCredentials: PropTypes.bool,
}
const AjaxUploader = {
mixins: [BaseMixin],
props: upLoadPropTypes,
data () {
this.reqs = {}
return {
uid: getUid(),
}
},
methods: {
onChange (e) {
const files = e.target.files
this.uploadFiles(files)
this.reset()
},
onClick () {
const el = this.$refs.fileInputRef
if (!el) {
return
}
el.click()
},
onKeyDown (e) {
if (e.key === 'Enter') {
this.onClick()
}
},
onFileDrop (e) {
if (e.type === 'dragover') {
e.preventDefault()
return
}
const files = Array.prototype.slice.call(e.dataTransfer.files).filter(
file => attrAccept(file, this.accept)
)
this.uploadFiles(files)
e.preventDefault()
},
uploadFiles (files) {
const postFiles = Array.prototype.slice.call(files)
postFiles.forEach((file) => {
file.uid = getUid()
this.upload(file, postFiles)
})
},
upload (file, fileList) {
if (!this.beforeUpload) {
// always async in case use react state to keep fileList
return setTimeout(() => this.post(file), 0)
}
const before = this.beforeUpload(file, fileList)
if (before && before.then) {
before.then((processedFile) => {
const processedFileType = Object.prototype.toString.call(processedFile)
if (processedFileType === '[object File]' || processedFileType === '[object Blob]') {
this.post(processedFile)
} else {
this.post(file)
}
}).catch(e => {
console && console.log(e); // eslint-disable-line
})
} else if (before !== false) {
setTimeout(() => this.post(file), 0)
}
},
post (file) {
if (!this._isMounted) {
return
}
let { data } = this.$props
if (typeof data === 'function') {
data = data(file)
}
const { uid } = file
const request = this.customRequest || defaultRequest
this.reqs[uid] = request({
action: this.action,
filename: this.name,
file,
data,
headers: this.headers,
withCredentials: this.withCredentials,
onProgress: e => {
this.$emit('progress', e, file)
},
onSuccess: (ret, xhr) => {
delete this.reqs[uid]
this.$emit('success', ret, file, xhr)
},
onError: (err, ret) => {
delete this.reqs[uid]
this.$emit('error', err, ret, file)
},
})
this.$emit('start', file)
},
reset () {
this.setState({
uid: getUid(),
})
},
abort (file) {
const { reqs } = this
if (file) {
let uid = file
if (file && file.uid) {
uid = file.uid
}
if (reqs[uid]) {
reqs[uid].abort()
delete reqs[uid]
}
} else {
Object.keys(reqs).forEach((uid) => {
if (reqs[uid]) {
reqs[uid].abort()
}
delete reqs[uid]
})
}
},
},
mounted () {
this.$nextTick(() => {
this._isMounted = true
})
},
beforeDestroy () {
this._isMounted = false
this.abort()
},
render () {
const {
component: Tag, prefixCls, disabled, multiple, accept,
} = this.$props
const cls = classNames({
[prefixCls]: true,
[`${prefixCls}-disabled`]: disabled,
})
const events = disabled ? {} : {
onClick: this.onClick,
onKeydown: this.onKeyDown,
onDrop: this.onFileDrop,
onDragover: this.onFileDrop,
tabIndex: '0',
}
return (
<Tag
{...events}
class={cls}
role='button'
>
<input
type='file'
ref='fileInputRef'
key={this.uid}
style={{ display: 'none' }}
accept={accept}
multiple={multiple}
onChange={this.onChange}
/>
{this.$slots.default}
</Tag>
)
},
}
export default AjaxUploader

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import PropTypes from '../../_util/vue-types'
import BaseMixin from '../../_util/BaseMixin'
import classNames from 'classnames'
import getUid from './uid'
import warning from '../../_util/warning'
const IFRAME_STYLE = {
position: 'absolute',
top: 0,
opacity: 0,
filter: 'alpha(opacity=0)',
left: 0,
zIndex: 9999,
}
// diferent from AjaxUpload, can only upload on at one time, serial seriously
const IframeUploader = {
mixins: [BaseMixin],
props: {
component: PropTypes.string,
// style: PropTypes.object,
disabled: PropTypes.bool,
prefixCls: PropTypes.string,
// className: PropTypes.string,
accept: PropTypes.string,
// onStart: PropTypes.func,
multiple: PropTypes.bool,
// children: PropTypes.any,
data: PropTypes.oneOfType([
PropTypes.object,
PropTypes.func,
]),
action: PropTypes.string,
name: PropTypes.string,
},
data () {
this.file = {}
return {
uploading: false,
}
},
methods: {
onLoad () {
if (!this.uploading) {
return
}
const { file } = this
let response
try {
const doc = this.getIframeDocument()
const script = doc.getElementsByTagName('script')[0]
if (script && script.parentNode === doc.body) {
doc.body.removeChild(script)
}
response = doc.body.innerHTML
this.$emit('success', response, file)
} catch (err) {
warning(false, 'cross domain error for Upload. Maybe server should return document.domain script. see Note from https://github.com/react-component/upload')
response = 'cross-domain'
this.$emit('error', err, null, file)
}
this.endUpload()
},
onChange () {
const target = this.getFormInputNode()
// ie8/9 don't support FileList Object
// http://stackoverflow.com/questions/12830058/ie8-input-type-file-get-files
const file = this.file = {
uid: getUid(),
name: target.value,
}
this.startUpload()
const { $props: props } = this
if (!props.beforeUpload) {
return this.post(file)
}
const before = props.beforeUpload(file)
if (before && before.then) {
before.then(() => {
this.post(file)
}, () => {
this.endUpload()
})
} else if (before !== false) {
this.post(file)
} else {
this.endUpload()
}
},
getIframeNode () {
return this.$refs.iframeRef
},
getIframeDocument () {
return this.getIframeNode().contentDocument
},
getFormNode () {
return this.getIframeDocument().getElementById('form')
},
getFormInputNode () {
return this.getIframeDocument().getElementById('input')
},
getFormDataNode () {
return this.getIframeDocument().getElementById('data')
},
getFileForMultiple (file) {
return this.multiple ? [file] : file
},
getIframeHTML (domain) {
let domainScript = ''
let domainInput = ''
if (domain) {
const script = 'script'
domainScript = `<${script}>document.domain="${domain}";</${script}>`
domainInput = `<input name="_documentDomain" value="${domain}" />`
}
return `
<!DOCTYPE html>
<html>
<head>
<meta http-equiv="X-UA-Compatible" content="IE=edge" />
<style>
body,html {padding:0;margin:0;border:0;overflow:hidden;}
</style>
${domainScript}
</head>
<body>
<form method="post"
encType="multipart/form-data"
action="${this.action}" id="form"
style="display:block;height:9999px;position:relative;overflow:hidden;">
<input id="input" type="file"
name="${this.name}"
style="position:absolute;top:0;right:0;height:9999px;font-size:9999px;cursor:pointer;"/>
${domainInput}
<span id="data"></span>
</form>
</body>
</html>
`
},
initIframeSrc () {
if (this.domain) {
this.getIframeNode().src = `javascript:void((function(){
var d = document;
d.open();
d.domain='${this.domain}';
d.write('');
d.close();
})())`
}
},
initIframe () {
const iframeNode = this.getIframeNode()
let win = iframeNode.contentWindow
let doc
this.domain = this.domain || ''
this.initIframeSrc()
try {
doc = win.document
} catch (e) {
this.domain = document.domain
this.initIframeSrc()
win = iframeNode.contentWindow
doc = win.document
}
doc.open('text/html', 'replace')
doc.write(this.getIframeHTML(this.domain))
doc.close()
this.getFormInputNode().onchange = this.onChange
},
endUpload () {
if (this.uploading) {
this.file = {}
// hack avoid batch
this.uploading = false
this.setState({
uploading: false,
})
this.initIframe()
}
},
startUpload () {
if (!this.uploading) {
this.uploading = true
this.setState({
uploading: true,
})
}
},
updateIframeWH () {
const rootNode = this.$el
const iframeNode = this.getIframeNode()
iframeNode.style.height = `${rootNode.offsetHeight}px`
iframeNode.style.width = `${rootNode.offsetWidth}px`
},
abort (file) {
if (file) {
let uid = file
if (file && file.uid) {
uid = file.uid
}
if (uid === this.file.uid) {
this.endUpload()
}
} else {
this.endUpload()
}
},
post (file) {
const formNode = this.getFormNode()
const dataSpan = this.getFormDataNode()
let { data } = this.$props
if (typeof data === 'function') {
data = data(file)
}
const inputs = document.createDocumentFragment()
for (const key in data) {
if (data.hasOwnProperty(key)) {
const input = document.createElement('input')
input.setAttribute('name', key)
input.value = data[key]
inputs.appendChild(input)
}
}
dataSpan.appendChild(inputs)
formNode.submit()
dataSpan.innerHTML = ''
this.$emit('start', file)
},
},
mounted () {
this.$nextTick(() => {
this.updateIframeWH()
this.initIframe()
})
},
updated () {
this.$nextTick(() => {
this.updateIframeWH()
})
},
render () {
const {
component: Tag, disabled,
prefixCls,
} = this.$props
const iframeStyle = {
...IFRAME_STYLE,
display: this.uploading || disabled ? 'none' : '',
}
const cls = classNames({
[prefixCls]: true,
[`${prefixCls}-disabled`]: disabled,
})
return (
<Tag
className={cls}
style={{ position: 'relative', zIndex: 0 }}
>
<iframe
ref='iframeRef'
onLoad={this.onLoad}
style={iframeStyle}
/>
{this.$slots.default}
</Tag>
)
},
}
export default IframeUploader

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import PropTypes from '../../_util/vue-types'
import { initDefaultProps } from '../../_util/props-util'
import BaseMixin from '../../_util/BaseMixin'
import AjaxUpload from './AjaxUploader'
import IframeUpload from './IframeUploader'
// function empty () {
// }
const uploadProps = {
component: PropTypes.string,
prefixCls: PropTypes.string,
action: PropTypes.string,
name: PropTypes.string,
multipart: PropTypes.bool,
// onError: PropTypes.func,
// onSuccess: PropTypes.func,
// onProgress: PropTypes.func,
// onStart: PropTypes.func,
data: PropTypes.oneOfType([
PropTypes.object,
PropTypes.func,
]),
headers: PropTypes.object,
accept: PropTypes.string,
multiple: PropTypes.bool,
disabled: PropTypes.bool,
beforeUpload: PropTypes.func,
customRequest: PropTypes.func,
// onReady: PropTypes.func,
withCredentials: PropTypes.bool,
supportServerRender: PropTypes.bool,
}
export default {
name: 'Upload',
mixins: [BaseMixin],
props: initDefaultProps(uploadProps, {
component: 'span',
prefixCls: 'rc-upload',
data: {},
headers: {},
name: 'file',
multipart: false,
// onReady: empty,
// onStart: empty,
// onError: empty,
// onSuccess: empty,
supportServerRender: false,
multiple: false,
beforeUpload: null,
customRequest: null,
withCredentials: false,
}),
data () {
return {
Component: null,
}
},
mounted () {
this.$nextTick(() => {
if (this.supportServerRender) {
/* eslint react/no-did-mount-set-state:0 */
this.setState({
Component: this.getComponent(),
}, () => {
this.$emit('ready')
})
}
})
},
methods: {
getComponent () {
return typeof File !== 'undefined' ? AjaxUpload : IframeUpload
},
abort (file) {
this.$refs.uploaderRef.abort(file)
},
},
render () {
if (this.supportServerRender) {
const ComponentUploader = this.Component
if (ComponentUploader) {
return <ComponentUploader {...this.$props} ref='uploaderRef' />
}
return null
}
const ComponentUploader = this.getComponent()
return <ComponentUploader {...this.$props} ref='uploaderRef' />
},
}

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function endsWith (str, suffix) {
return str.indexOf(suffix, str.length - suffix.length) !== -1
}
export default (file, acceptedFiles) => {
if (file && acceptedFiles) {
const acceptedFilesArray = Array.isArray(acceptedFiles)
? acceptedFiles
: acceptedFiles.split(',')
const fileName = file.name || ''
const mimeType = file.type || ''
const baseMimeType = mimeType.replace(/\/.*$/, '')
return acceptedFilesArray.some(type => {
const validType = type.trim()
if (validType.charAt(0) === '.') {
return endsWith(fileName.toLowerCase(), validType.toLowerCase())
} else if (/\/\*$/.test(validType)) {
// This is something like a image/* mime type
return baseMimeType === validType.replace(/\/.*$/, '')
}
return mimeType === validType
})
}
return true
}

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// export this package's api
import Upload from './Upload'
export default Upload

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function getError (option, xhr) {
const msg = `cannot post ${option.action} ${xhr.status}'`
const err = new Error(msg)
err.status = xhr.status
err.method = 'post'
err.url = option.action
return err
}
function getBody (xhr) {
const text = xhr.responseText || xhr.response
if (!text) {
return text
}
try {
return JSON.parse(text)
} catch (e) {
return text
}
}
// option {
// onProgress: (event: { percent: number }): void,
// onError: (event: Error, body?: Object): void,
// onSuccess: (body: Object): void,
// data: Object,
// filename: String,
// file: File,
// withCredentials: Boolean,
// action: String,
// headers: Object,
// }
export default function upload (option) {
const xhr = new window.XMLHttpRequest()
if (option.onProgress && xhr.upload) {
xhr.upload.onprogress = function progress (e) {
if (e.total > 0) {
e.percent = e.loaded / e.total * 100
}
option.onProgress(e)
}
}
const formData = new window.FormData()
if (option.data) {
Object.keys(option.data).map(key => {
formData.append(key, option.data[key])
})
}
formData.append(option.filename, option.file)
xhr.onerror = function error (e) {
option.onError(e)
}
xhr.onload = function onload () {
// allow success when 2xx status
// see https://github.com/react-component/upload/issues/34
if (xhr.status < 200 || xhr.status >= 300) {
return option.onError(getError(option, xhr), getBody(xhr))
}
option.onSuccess(getBody(xhr), xhr)
}
xhr.open('post', option.action, true)
// Has to be after `.open()`. See https://github.com/enyo/dropzone/issues/179
if (option.withCredentials && 'withCredentials' in xhr) {
xhr.withCredentials = true
}
const headers = option.headers || {}
// when set headers['X-Requested-With'] = null , can close default XHR header
// see https://github.com/react-component/upload/issues/33
if (headers['X-Requested-With'] !== null) {
xhr.setRequestHeader('X-Requested-With', 'XMLHttpRequest')
}
for (const h in headers) {
if (headers.hasOwnProperty(h) && headers[h] !== null) {
xhr.setRequestHeader(h, headers[h])
}
}
xhr.send(formData)
return {
abort () {
xhr.abort()
},
}
}

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const now = +(new Date())
let index = 0
export default function uid () {
return `rc-upload-${now}-${++index}`
}
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