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Docs: fix zh-cn sitemap (#1631)

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Signed-off-by: Carson Yang <yangchuansheng33@gmail.com>
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Carson Yang
2024-05-29 15:46:43 +08:00
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---
title: 'Dalle3 绘图'
description: '使用 HTTP 模块绘制图片'
icon: 'image'
draft: false
toc: true
weight: 404
---
| | |
| --------------------- | --------------------- |
| ![](/imgs/demo-dalle1.webp) | ![](/imgs/demo-dalle2.webp) |
## OpenAI Dalle3 接口
先来看下官方接口的参数和响应值：
Body
```json
{
"model": "dall-e-3",
"prompt": "A cute baby sea otter",
"n": 1,
"size": "1024x1024"
}
```
Response
```json
{
"created": 1589478378,
"data": [
{
"url": "https://..."
},
{
"url": "https://..."
}
]
}
```
## 编排思路
1. 通过 AI 来优化图片绘制的提示词（这步省略了，自己找提示词即可）
2. 通过 `【HTTP 请求】模块` 调用 Dalle3 接口，获取图片的 URL。
3. 通过 `【文本加工】模块` 来构建 `Markdown` 的图片格式。
4. 通过 `【指定回复】模块` 来直接输出图片链接。
### 1. 构建 HTTP 模块
请求参数直接复制 Dalle3 接口的即可，并求改 prompt 为变量。需要增加一个 `Headers.Authorization` 。
Body:
```json
{
"model": "dall-e-3",
"prompt": "{{prompt}}",
"n": 1,
"size": "1024x1024"
}
```
Headers:
`Authorization: Bearer sk-xxx`
Response:
响应值需要根据 Dalle3 接口的返回值进行获取，我们只绘制了1张图片，所以只需要取第一张图片的 URL 即可。给 HTTP 模块增加一个自定义输出 `data[0].url` 。
### 2. 文本加工 - 构建图片链接
在 `Markdown` 语法中 `![图片描述](图片链接)` 表示插入图片，图片链接由【HTTP 请求】模块输出。
因此可以增加一个输入来接收 `【HTTP 请求】模块` 的图片链接输出，并在 `【文本加工】模块 - 文本` 中通过变量来引用图片链接，从而得到一个完整的 `Markdown` 图片格式。
### 3. 指定回复
指定回复可以直接输出传入的内容到客户端，因此可以直接输出加工好的 `Markdown` 图片格式即可。
## 编排代码
{{% details title="编排配置" closed="true" %}}
```json
{
"nodes": [
{
"nodeId": "userGuide",
"name": "系统配置",
"intro": "可以配置应用的系统参数",
"avatar": "/imgs/workflow/userGuide.png",
"flowNodeType": "userGuide",
"position": {
"x": 531.2422736065552,
"y": -486.7611729549753
},
"inputs": [
{
"key": "welcomeText",
"renderTypeList": [
"hidden"
],
"valueType": "string",
"label": "core.app.Welcome Text",
"value": ""
},
{
"key": "variables",
"renderTypeList": [
"hidden"
],
"valueType": "any",
"label": "core.app.Chat Variable",
"value": []
},
{
"key": "questionGuide",
"valueType": "boolean",
"renderTypeList": [
"hidden"
],
"label": "core.app.Question Guide",
"value": false
},
{
"key": "tts",
"renderTypeList": [
"hidden"
],
"valueType": "any",
"label": "",
"value": {
"type": "web"
}
},
{
"key": "whisper",
"renderTypeList": [
"hidden"
],
"valueType": "any",
"label": "",
"value": {
"open": false,
"autoSend": false,
"autoTTSResponse": false
}
},
{
"key": "scheduleTrigger",
"renderTypeList": [
"hidden"
],
"valueType": "any",
"label": "",
"value": null
}
],
"outputs": []
},
{
"nodeId": "448745",
"name": "流程开始",
"intro": "",
"avatar": "/imgs/workflow/userChatInput.svg",
"flowNodeType": "workflowStart",
"position": {
"x": 532.1275542407774,
"y": 46.03775600322817
},
"inputs": [
{
"key": "userChatInput",
"renderTypeList": [
"reference",
"textarea"
],
"valueType": "string",
"label": "用户问题",
"required": true,
"toolDescription": "用户问题"
}
],
"outputs": [
{
"id": "userChatInput",
"key": "userChatInput",
"label": "core.module.input.label.user question",
"valueType": "string",
"type": "static"
}
]
},
{
"nodeId": "tMyUnRL5jIrC",
"name": "HTTP 请求",
"intro": "可以发出一个 HTTP 请求，实现更为复杂的操作（联网搜索、数据库查询等）",
"avatar": "/imgs/workflow/http.png",
"flowNodeType": "httpRequest468",
"showStatus": true,
"position": {
"x": 921.2377506442713,
"y": -483.94114977914256
},
"inputs": [
{
"key": "system_addInputParam",
"renderTypeList": [
"addInputParam"
],
"valueType": "dynamic",
"label": "",
"required": false,
"description": "core.module.input.description.HTTP Dynamic Input",
"editField": {
"key": true,
"valueType": true
}
},
{
"key": "prompt",
"valueType": "string",
"label": "prompt",
"renderTypeList": [
"reference"
],
"description": "",
"canEdit": true,
"editField": {
"key": true,
"valueType": true
},
"value": [
"448745",
"userChatInput"
]
},
{
"key": "system_httpMethod",
"renderTypeList": [
"custom"
],
"valueType": "string",
"label": "",
"value": "POST",
"required": true
},
{
"key": "system_httpReqUrl",
"renderTypeList": [
"hidden"
],
"valueType": "string",
"label": "",
"description": "core.module.input.description.Http Request Url",
"placeholder": "https://api.ai.com/getInventory",
"required": false,
"value": "https://api.openai.com/v1/images/generations"
},
{
"key": "system_httpHeader",
"renderTypeList": [
"custom"
],
"valueType": "any",
"value": [
{
"key": "Authorization",
"type": "string",
"value": "Bearer sk-zsfBsxEU3ApSFGYxF4CdB97e9556412588421823371b9f7b"
}
],
"label": "",
"description": "core.module.input.description.Http Request Header",
"placeholder": "core.module.input.description.Http Request Header",
"required": false
},
{
"key": "system_httpParams",
"renderTypeList": [
"hidden"
],
"valueType": "any",
"value": [],
"label": "",
"required": false
},
{
"key": "system_httpJsonBody",
"renderTypeList": [
"hidden"
],
"valueType": "any",
"value": "{\n \"model\": \"dall-e-3\",\n \"prompt\": \"{{prompt}}\",\n \"n\": 1,\n \"size\": \"1024x1024\"\n}",
"label": "",
"required": false
}
],
"outputs": [
{
"id": "system_addOutputParam",
"key": "system_addOutputParam",
"type": "dynamic",
"valueType": "dynamic",
"label": "",
"editField": {
"key": true,
"valueType": true
}
},
{
"id": "httpRawResponse",
"key": "httpRawResponse",
"label": "原始响应",
"description": "HTTP请求的原始响应。只能接受字符串或JSON类型响应数据。",
"valueType": "any",
"type": "static"
},
{
"id": "DeKGGioBwaMf",
"type": "dynamic",
"key": "data[0].url",
"valueType": "string",
"label": "data[0].url"
}
]
},
{
"nodeId": "CO3POL8svbbi",
"name": "文本加工",
"intro": "可对固定或传入的文本进行加工后输出，非字符串类型数据最终会转成字符串类型。",
"avatar": "/imgs/workflow/textEditor.svg",
"flowNodeType": "pluginModule",
"showStatus": false,
"position": {
"x": 1417.5940290051137,
"y": -478.81889618104356
},
"inputs": [
{
"key": "system_addInputParam",
"valueType": "dynamic",
"label": "动态外部数据",
"renderTypeList": [
"addInputParam"
],
"required": false,
"description": "",
"canEdit": false,
"value": "",
"editField": {
"key": true
},
"dynamicParamDefaultValue": {
"inputType": "reference",
"valueType": "string",
"required": true
}
},
{
"key": "url",
"valueType": "string",
"label": "url",
"renderTypeList": [
"reference"
],
"required": true,
"description": "",
"canEdit": true,
"editField": {
"key": true
},
"value": [
"tMyUnRL5jIrC",
"DeKGGioBwaMf"
]
},
{
"key": "文本",
"valueType": "string",
"label": "文本",
"renderTypeList": [
"textarea"
],
"required": true,
"description": "",
"canEdit": false,
"value": "![]({{url}})",
"editField": {
"key": true
},
"maxLength": "",
"dynamicParamDefaultValue": {
"inputType": "reference",
"valueType": "string",
"required": true
}
}
],
"outputs": [
{
"id": "text",
"type": "static",
"key": "text",
"valueType": "string",
"label": "text",
"description": ""
}
],
"pluginId": "community-textEditor"
},
{
"nodeId": "7mapnCgHfKW6",
"name": "指定回复",
"intro": "该模块可以直接回复一段指定的内容。常用于引导、提示。非字符串内容传入时，会转成字符串进行输出。",
"avatar": "/imgs/workflow/reply.png",
"flowNodeType": "answerNode",
"position": {
"x": 1922.5628399315042,
"y": -471.67391598231796
},
"inputs": [
{
"key": "text",
"renderTypeList": [
"textarea",
"reference"
],
"valueType": "string",
"label": "core.module.input.label.Response content",
"description": "core.module.input.description.Response content",
"placeholder": "core.module.input.description.Response content",
"selectedTypeIndex": 1,
"value": [
"CO3POL8svbbi",
"text"
]
}
],
"outputs": []
}
],
"edges": [
{
"source": "448745",
"target": "tMyUnRL5jIrC",
"sourceHandle": "448745-source-right",
"targetHandle": "tMyUnRL5jIrC-target-left"
},
{
"source": "tMyUnRL5jIrC",
"target": "CO3POL8svbbi",
"sourceHandle": "tMyUnRL5jIrC-source-right",
"targetHandle": "CO3POL8svbbi-target-left"
},
{
"source": "CO3POL8svbbi",
"target": "7mapnCgHfKW6",
"sourceHandle": "CO3POL8svbbi-source-right",
"targetHandle": "7mapnCgHfKW6-target-left"
}
]
}
```
{{% /details %}}