mirror of
https://gitee.com/ant-design-vue/ant-design-vue.git
synced 2024-12-05 13:39:40 +08:00
98 lines
2.2 KiB
JavaScript
98 lines
2.2 KiB
JavaScript
|
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()
|
||
|
},
|
||
|
}
|
||
|
}
|