Files
FastGPT/document/content/docs/introduction/guide/dashboard/workflow/sandbox.mdx
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Archer aaa7d17ef1 V4.14.9 dev (#6555)
* feat: encapsulate logger (#6535)

* feat: encapsulate logger

* update engines

---------

Co-authored-by: archer <545436317@qq.com>

* next config

* dev shell

* Agent sandbox (#6532)

* docs: switch to docs layout and apply black theme (#6533)

* feat: add Gemini 3.1 models

- Add gemini-3.1-pro-preview (released February 19, 2026)
- Add gemini-3.1-flash-lite-preview (released March 3, 2026)

Both models support:
- 1M context window
- 64k max response
- Vision
- Tool choice

* docs: switch to docs layout and apply black theme

- Change layout from notebook to docs
- Update logo to icon + text format
- Apply fumadocs black theme
- Simplify global.css (keep only navbar and TOC styles)
- Fix icon components to properly accept className props
- Add mobile text overflow handling
- Update Node engine requirement to >=20.x

* doc

* doc

* lock

* fix: ts

* doc

* doc

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Co-authored-by: archer <archer@archerdeMac-mini.local>
Co-authored-by: archer <545436317@qq.com>

* Doc (#6493)

* cloud doc

* doc refactor

* doc move

* seo

* remove doc

* yml

* doc

* fix: tsconfig

* fix: tsconfig

* sandbox version (#6497)

* sandbox version

* add sandbox log

* update lock

* fix

* fix: sandbox

* doc

* add console

* i18n

* sandbxo in agent

* feat: agent sandbox

* lock

* feat: sandbox ui

* sandbox check exists

* env tempalte

* doc

* lock

* sandbox in chat window

* sandbox entry

* fix: test

* rename var

* sandbox config tip

* update sandbox lifecircle

* update prompt

* rename provider test

* sandbox logger

* yml

---------

Co-authored-by: Archer <archer@fastgpt.io>
Co-authored-by: archer <archer@archerdeMac-mini.local>

* perf: sandbox error tip

* Add sandbox limit and fix some issue (#6550)

* sandbox in plan

* fix: some issue

* fix: test

* editor default path

* fix: comment

* perf: sandbox worksapce

* doc

* perf: del sandbox

* sandbox build

* fix: test

* fix: pr comment

---------

Co-authored-by: Ryo <whoeverimf5@gmail.com>
Co-authored-by: Archer <archer@fastgpt.io>
Co-authored-by: archer <archer@archerdeMac-mini.local>
2026-03-16 17:09:25 +08:00

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---
title: 代码运行(弃)
description: FastGPT 代码运行节点介绍(适用于 4.14.7 及以下版本)
---
> 本文档适用于 FastGPT **4.14.7 及以下版本**。4.14.8 及以上版本请参考 [代码运行(新版)](/docs/introduction/guide/dashboard/workflow/sandbox-v5)。
![alt text](/imgs/image.png)
## 功能
可用于执行一段简单的 js 代码,用于进行一些复杂的数据处理。代码运行在沙盒中,无法进行网络请求、dom和异步操作。如需复杂操作,需外挂 HTTP 实现。
**注意事项**
- 私有化用户需要部署`fastgpt-sandbox` 镜像,并配置`CODE_SANDBOX_URL`环境变量。
- 沙盒最大运行 10s, 32M 内存限制。
## 变量输入
可在自定义输入中添加代码运行需要的变量,在代码的 main 函数中,可解构出相同名字的变量。
如上图,自定义输入中有 data1 和 data2 两个变量,main 函数中可以解构出相同名字的变量。
## 结果输出
务必返回一个 object 对象
自定义输出中,可以添加变量名来获取 object 对应 key 下的值。例如上图中,返回了一个对象:
```json
{
result: data1,
data2
}
```
他有 2 个 keyresult和 data2(js 缩写,key=data2value=data2)。这时候自定义输出中就可以添加 2 个变量来获取对应 key 下的 value。
## 内置 JS 全局变量
### delay 延迟
延迟 1 秒后返回
```js
async function main({data1, data2}){
await delay(1000)
return {
result: "111"
}
}
```
### countToken 统计 token
```js
function main({input}){
return {
result: countToken(input)
}
}
```
![alt text](/imgs/image-1.png)
### strToBase64 字符串转 base64(4.8.11 版本新增)
可用于将 SVG 图片转换为 base64 格式展示。
```js
function main({input}){
return {
/*
param1: input 需要转换的字符串
param2: base64 prefix 前缀
*/
result: strToBase64(input,'data:image/svg+xml;base64,')
}
}
```
![alt text](/imgs/image-2.png)
### createHmac 加密
与 node 中 crypto 的 createHmac 方法一致。
```js
function main({secret}){
const {sign,timestamp} = createHmac('sha256',secret)
return {
sign,timestamp
}
}
```