文件模块 - 文件上传
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小牛编辑
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2023-12-01
上传流程图
+-----------------+ +-----------------+ +-----------------+
| Client/Browser | | FORM API | | 知晓云 |
+-----------------+ +-----------------+ +-----------------+
| | |
+++ Request authorization +++
|-|====================================>|-|
|-| | |-|
|-| Response authorization |-|
|-|<====================================|-|
+++ | +++
| | |
+++ Upload +++ +++
|-|================>|-| |-|
|-| |-| |-|
|-| Response |-| |-|
|-|<================|-| |-|
+++ +++ +++
| | |
使用知晓云开放 API 上传文件需要以下两个步骤:
1. 获取上传文件所需授权凭证和上传地址
接口
POST https://cloud.minapp.com/userve/v1/upload/
参数说明
Content-Type: application/json
参数 | 类型 | 必填 | 说明 |
---|---|---|---|
filename | String | N | 上传的文件名 |
categories | String | N | 上传文件的所属分类,格式为文件分类的 ID 数组 |
返回参数
参数 | 类型 | 说明 |
---|---|---|
id | String | 上传的文件 ID |
policy | String | 文件上传配置 |
authorization | String | 文件上传凭证 |
file_link | String | 文件上传成功后的访问地址 |
upload_url | String | 上传文件的目标地址 |
代码示例
var axios = require('axios').create({
withCredentials: true
})
axios.post('https://cloud.minapp.com/userve/v1/upload/', {
filename: 'crop.gif',
categories: ['5a1ba7b708443e7fc5f2fb18']
}).then(res => {
console.log(res.data)
})
返回示例
{
"policy": "eyJkYXRlIjogIldlZCwgMDYgRGVjIDIwMTcgMDM6MzI6MzMgR01UIiwgIm5vdGlmeS11cmwiOiAiaHR0cHM6Ly9zc28uaWZhbnIuY29tL2V4dGFwaS9oeWRyb2dlbi91cHl1bi9jYWxsYmFjay8yODcvNWEyNzY0ZDFmZmYxZDYxYWQwZWNhMjQ1LyIsICJidWNrZXQiOiAiY2xvdWQtbWluYXBwLTI4NyIsICJzYXZlLWtleSI6ICIxZU1RUmxrSndoZ2FNaUNnLmdpZiIsICJleHBpcmF0aW9uIjogMTUxMjUzMTQ1M30=",
"upload_url": "https://v0.api.upyun.com/cloud-minapp-287",
"file_link": "https://cloud-minapp-287.cloud.ifanrusercontent.com/1eMQRlkJwhgaMiCg.gif",
"id": "5a2764d1fff1d61ad0eca245",
"authorization": "UPYUN allenzhang:MzmYCcWVjrWoeovC4+tM5Bgwusg="
}
状态码说明
200
获得授权凭证成功,400
参数错误(不支持上传的文件格式),404
找不到文件分类 ID
2. 使用上一步获取的授权凭证和上传地址,进行文件上传
接口
POST {UPLOAD_URL}
UPLOAD_URL
是调用上一步的接口所返回的字段 upload_url
的值,形如:
https://v0.api.upyun.com/cloud-minapp-287
参数说明
Content-Type: multipart/form-data
参数 | 类型 | 必填 | 说明 |
---|---|---|---|
authorization | String | Y | 授权凭证 |
file | String | Y | 上传的文件流 |
policy | String | Y | 授权凭证 |
代码示例
var axios = require('axios').create({
withCredentials: true
})
let formData = new FormData()
formData.append('file', fileObj)
formData.append('policy', 'eyJkYXRlIjogIldlZCwgMDYgRGVjIDIwMTcgMDM6MzI6MzMgR01UIiwgIm5vdGlmeS11cmwiOiAiaHR0cHM6Ly9zc28uaWZhbnIuY29tL2V4dGFwaS9oeWRyb2dlbi91cHl1bi9jYWxsYmFjay8yODcvNWEyNzY0ZDFmZmYxZDYxYWQwZWNhMjQ1LyIsICJidWNrZXQiOiAiY2xvdWQtbWluYXBwLTI4NyIsICJzYXZlLWtleSI6ICIxZU1RUmxrSndoZ2FNaUNnLmdpZiIsICJleHBpcmF0aW9uIjogMTUxMjUzMTQ1M30')
formData.append('authorization', 'UPYUN allenzhang:MzmYCcWVjrWoeovC4+tM5Bgwusg=')
axios.post('https://v0.api.upyun.com/cloud-minapp-287', formData, {
'headers': {'Content-Type': 'multipart/form-data'},
})
返回示例
{
"image-type": "GIF",
"image-frames": 8,
"image-height": 8,
"code": 200,
"file_size": 329,
"image-width": 8,
"url": "1eMQRlkJwhgaMiCg.gif",
"time": 1512531154,
"message": "ok",
"mimetype": "image/gif"
}
状态码说明
200
上传成功