Dify聊天系统SSE响应和聊天树数据结构图解

分享一些实际应用过程中，Dify聊天系统SSE响应和聊天树数据结构图解，希望对大家的理解有帮助

ssePost请求参数结构

files

1

many

inputs

1

1

SSERequestParams

+response_mode: string

+conversation_id: string

+files: ProcessedFile[]

+query: string

+inputs: ProcessedInputs

+parent_message_id?: string

ProcessedFile

+id: string

+name: string

+size: number

+type: string

+transfer_method: TransferMethod

+url: string

+uploadedId?: string

ProcessedInputs

+[key: string]: any

SSE响应事件类型

SSE响应

+onData(message, isFirstMessage, metadata)

+onThought(thought)

+onFile(file)

+onMessageEnd(messageEnd)

+onMessageReplace(messageReplace)

+onWorkflowStarted(data)

+onWorkflowFinished(data)

+onNodeStarted(data)

+onNodeFinished(data)

+onIterationStart(data)

+onIterationFinish(data)

+onLoopStart(data)

+onLoopFinish(data)

+onTTSChunk(messageId, audio)

+onTTSEnd(messageId, audio)

+onCompleted(hasError)

+onError()

事件处理