2023-05-15 08:51:32 +08:00
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import { CodeGroup } from '../code.tsx'
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import { Row, Col, Properties, Property, Heading, SubProperty } from '../md.tsx'
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# 文本生成型应用 API
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2023-07-02 14:01:11 +08:00
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可用于生成高质量文本的应用,例如生成文章、摘要、翻译等,通过调用 completion-messages 接口,发送用户输入得到生成文本结果。用于生成文本的模型参数和提示词模版取决于开发者在 Dify 提示词编排页的设置。
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2023-05-15 08:51:32 +08:00
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2023-10-11 21:03:36 +08:00
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<div>
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### 鉴权
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Dify Service API 使用 `API-Key` 进行鉴权。
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建议开发者把 `API-Key` 放在后端存储,而非分享或者放在客户端存储,以免 `API-Key` 泄露,导致财产损失。
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所有 API 请求都应在 **`Authorization`** HTTP Header 中包含您的 `API-Key`,如下所示:
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<CodeGroup title="Code">
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```javascript
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Authorization: Bearer {API_KEY}
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```
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</CodeGroup>
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</div>
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---
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2023-05-15 08:51:32 +08:00
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<Heading
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url='/completion-messages'
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method='POST'
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title='创建文本补全消息'
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name='#Create-Completion-Message'
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/>
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<Row>
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<Col>
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创建文本补全消息,支持一问一答模式。
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### Request Body
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<Properties>
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<Property name='inputs' type='object' key='inputs'>
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(选填)以键值对方式提供用户输入字段,与提示词编排中的变量对应。Key 为变量名称,Value 是参数值。如果字段类型为 Select,传入的 Value 需为预设选项之一。
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<ul>
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{!!props.variables.length && props.variables.map(
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val => (
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<SubProperty name={val.key} type={val.type} key={val.key}>
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{val.name ? `${val.name}` : ''}
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</SubProperty>
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)
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)}
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</ul>
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</Property>
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<Property name='response_mode' type='string' key='response_mode'>
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- blocking 阻塞型,等待执行完毕后返回结果。(请求若流程较长可能会被中断)
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- streaming 流式返回。基于 SSE(**[Server-Sent Events](https://developer.mozilla.org/en-US/docs/Web/API/Server-sent_events/Using_server-sent_events)**)实现流式返回。
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</Property>
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<Property name='user' type='string' key='user'>
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用户标识,由开发者定义规则,需保证用户标识在应用内唯一。
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</Property>
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<Property name='files' type='array[object]' key='files'>
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上传的文件。
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- `type` 文件类型:目前仅支持 `image`。
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- `transfer_method` 传递方式:
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- `remote_url`: 图片地址。
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- `local_file`: 上传文件。
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- `upload_file_id` 上传文件 ID。`transfer_method` 为 `local_file` 时必填。
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- `url` 图片地址。`transfer_method` 为 `remote_url` 时必填。
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</Property>
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</Properties>
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</Col>
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<Col sticky>
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2023-09-10 00:12:34 +08:00
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<CodeGroup title="Request" tag="POST" label="/completion-messages" targetCode={`curl --location --request POST '${props.appDetail.api_base_url}/completion-messages' \\\n--header 'Authorization: Bearer ENTER-YOUR-SECRET-KEY' \\\n--header 'Content-Type: application/json' \\\n--data-raw '{\n "inputs": ${JSON.stringify(props.inputs)},\n "response_mode": "streaming",\n "user": "abc-123"\n}'\n`}>
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```bash {{ title: 'cURL' }}
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curl --location --request POST '${props.appDetail.api_base_url}/completion-messages' \
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--header 'Authorization: Bearer ENTER-YOUR-SECRET-KEY' \
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--header 'Content-Type: application/json' \
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--data-raw '{
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"inputs": {},
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"response_mode": "streaming",
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"user": "abc-123"
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}'
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```
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</CodeGroup>
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### blocking
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<CodeGroup title="Response">
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```json {{ title: 'Response' }}
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{
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"id": "0b089b9a-24d9-48cc-94f8-762677276261",
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"answer": "how are you?",
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"created_at": 1679586667
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}
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```
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</CodeGroup>
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### streaming
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<CodeGroup title="Response">
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```streaming {{ title: 'Response' }}
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data: {"id": "5ad4cb98-f0c7-4085-b384-88c403be6290", "answer": " I", "created_at": 1679586595}
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data: {"id": "5ad4cb98-f0c7-4085-b384-88c403be6290", "answer": " I", "created_at": 1679586595}
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```
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</CodeGroup>
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</Col>
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</Row>
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---
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<Heading
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url='/messages/{message_id}/feedbacks'
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method='POST'
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title='消息反馈(点赞)'
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name='#feedbacks'
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/>
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<Row>
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<Col>
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代表最终用户对返回消息进行评价,可以点赞与点踩,该数据将在“日志与标注”页中可见,并用于后续的模型微调。
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### Path Params
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<Properties>
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<Property name='message_id' type='string' key='message_id'>
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消息 ID
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</Property>
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</Properties>
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### Request Body
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<Properties>
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<Property name='rating' type='string' key='rating'>
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like 或 dislike, 空值为撤销
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</Property>
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<Property name='user' type='string' key='user'>
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用户标识,由开发者定义规则,需保证用户标识在应用内唯一。
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</Property>
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</Properties>
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</Col>
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<Col sticky>
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<CodeGroup title="Request" tag="POST" label="/messages/{message_id}/feedbacks" targetCode={`curl --location --request POST '${props.appDetail.api_base_url}/messages/{message_id}/feedbacks \\\n--header 'Authorization: Bearer ENTER-YOUR-SECRET-KEY' \\\n--header 'Content-Type: application/json' \\\n --data-raw '{ \n "rating": "like",\n "user": "abc-123"\n}'`}>
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```bash {{ title: 'cURL' }}
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curl --location --request POST '${props.appDetail.api_base_url}/messages/{message_id}/feedbacks' \
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--header 'Authorization: Bearer ENTER-YOUR-SECRET-KEY' \
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--header 'Content-Type: application/json' \
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--data-raw '{
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"rating": "like",
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"user": "abc-123"
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}'
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```
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</CodeGroup>
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<CodeGroup title="Response">
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```json {{ title: 'Response' }}
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{
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"has_more": false,
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"data": [
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{
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"id": "WAz8eIbvDR60rouK",
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"username": "FrankMcCallister",
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"phone_number": "1-800-759-3000",
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"avatar_url": "https://assets.protocol.chat/avatars/frank.jpg",
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"display_name": null,
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"conversation_id": "xgQQXg3hrtjh7AvZ",
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"created_at": 692233200
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},
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{
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"id": "hSIhXBhNe8X1d8Et"
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// ...
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}
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]
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}
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```
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</CodeGroup>
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</Col>
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</Row>
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---
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2023-11-13 22:32:39 +08:00
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<Heading
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url='/files/upload'
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method='POST'
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title='上传文件'
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name='#files-upload'
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/>
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<Row>
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<Col>
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上传文件到服务器,供文本生成、对话使用。上传的文件仅供当前终端用户使用。
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### Request Body
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请求方式为 `multipart/form-data`。
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<Properties>
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<Property name='file' type='file' key='file'>
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要上传的文件。目前支持 png, jpg, jpeg, webp, gif 格式文件。
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</Property>
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<Property name='user' type='string' key='user'>
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用户标识,由开发者定义规则,需保证用户标识在应用内唯一。
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</Property>
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</Properties>
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</Col>
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<Col sticky>
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<CodeGroup title="Request" tag="POST" label="/files/upload" targetCode={`curl --location --request POST '${props.appDetail.api_base_url}/files/upload' \\\n--header 'Authorization: Bearer ENTER-YOUR-SECRET-KEY' \\\n--form 'file=@localfile;type=image/[png|jpeg|jpg|webp|gif] \\\n--form 'user=abc-123'`}>
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```bash {{ title: 'cURL' }}
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curl --location --request POST '${props.appDetail.api_base_url}/files/upload' \
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--header 'Authorization: Bearer ENTER-YOUR-SECRET-KEY' \
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--form 'file=@"/path/to/file"'
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```
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</CodeGroup>
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<CodeGroup title="Response">
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```json {{ title: 'Response' }}
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{
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"id": "72fa9618-8f89-4a37-9b33-7e1178a24a67",
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"name": "example.png",
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"size": 1024,
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"extension": "png",
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"mime_type": "image/png",
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"created_by": 123,
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"created_at": 1577836800,
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}
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```
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</CodeGroup>
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</Col>
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</Row>
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---
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2023-05-15 08:51:32 +08:00
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<Heading
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url='/parameters'
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method='GET'
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title='获取应用配置信息'
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name='#parameters'
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/>
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<Row>
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<Col>
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2023-11-13 22:32:39 +08:00
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内容包括:
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1. 已配置的 Input 参数,包括变量名、字段名称、类型与默认值。通常用于客户端加载后显示这些字段的表单或填入默认值。
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2. 上传图片的配置,包括是否开启上传图片,上传图片的数量和上传方式。注意:这个配置只有使用支持多模态的模型时才会生效。
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### Query
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<Properties>
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<Property name='user' type='string' key='user'>
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用户标识,由开发者定义规则,需保证用户标识在应用内唯一。
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</Property>
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</Properties>
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</Col>
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<Col sticky>
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<CodeGroup title="Request" tag="GET" label="/parameters" targetCode={`curl --location --request GET '${props.appDetail.api_base_url}/parameters?user=abc-123' \\\n--header 'Authorization: Bearer ENTER-YOUR-SECRET-KEY'`}>
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```bash {{ title: 'cURL' }}
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curl --location --request GET '${props.appDetail.api_base_url}/parameters?user=abc-123' \
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--header 'Authorization: Bearer ENTER-YOUR-SECRET-KEY'
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```
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</CodeGroup>
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<CodeGroup title="Response">
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```json {{ title: 'Response' }}
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{
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"introduction": "nice to meet you",
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"user_input_form": [
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{
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"text-input": {
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"label": "a",
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"variable": "a",
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"required": true,
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"max_length": 48,
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"default": ""
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}
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}
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{
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// ...
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2023-11-06 19:36:32 +08:00
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}
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],
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"file_upload": {
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"image": {
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"enabled": true,
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"number_limits": 3,
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"transfer_methods": [
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"remote_url",
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"local_file"
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]
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}
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}
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2023-05-15 08:51:32 +08:00
|
|
|
|
}
|
|
|
|
|
```
|
|
|
|
|
</CodeGroup>
|
|
|
|
|
</Col>
|
|
|
|
|
</Row>
|