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Interface ChildProcess

表示一个子进程

Hierarchy

  • ChildProcess
  • PromiseLike<ExecResult>
    • ChildProcess

Index

Properties

Methods

Properties

Optional channel

channel: Pipe | null

connected

connected: boolean

killed

killed: boolean

pid

pid: number

result

result: ExecResult

获取进程的执行结果

stderr

stderr: Readable | null

stdin

stdin: Writable | null

stdio

stdio: [Writable | null, Readable | null, Readable | null, Readable | Writable | null | undefined, Readable | Writable | null | undefined]

stdout

stdout: Readable | null

Static defaultMaxListeners

defaultMaxListeners: number

Methods

addListener

  • addListener(event: string, listener: function): this
  • addListener(event: "close", listener: function): this
  • addListener(event: "disconnect", listener: function): this
  • addListener(event: "error", listener: function): this
  • addListener(event: "exit", listener: function): this
  • addListener(event: "message", listener: function): this

  • events.EventEmitter

    1. close
    2. disconnect
    3. error
    4. exit
    5. message

    Parameters

    • event: string
    • listener: function
        • (...args: any[]): void

        • Parameters

          • Rest ...args: any[]

          Returns void

    Returns this

  • Parameters

    • event: "close"
    • listener: function
        • (code: number, signal: string): void

        • Parameters

          • code: number
          • signal: string

          Returns void

    Returns this

  • Parameters

    • event: "disconnect"
    • listener: function
        • (): void

        • Returns void

    Returns this

  • Parameters

    • event: "error"
    • listener: function
        • (err: Error): void

        • Parameters

          • err: Error

          Returns void

    Returns this

  • Parameters

    • event: "exit"
    • listener: function
        • (code: number | null, signal: string | null): void

        • Parameters

          • code: number | null
          • signal: string | null

          Returns void

    Returns this

  • Parameters

    • event: "message"
    • listener: function
        • (message: any, sendHandle: Socket | Server): void

        • Parameters

          • message: any
          • sendHandle: Socket | Server

          Returns void

    Returns this

disconnect

  • disconnect(): void

  • Returns void

emit

  • emit(event: string | symbol, ...args: any[]): boolean
  • emit(event: "close", code: number, signal: string): boolean
  • emit(event: "disconnect"): boolean
  • emit(event: "error", err: Error): boolean
  • emit(event: "exit", code: number | null, signal: string | null): boolean
  • emit(event: "message", message: any, sendHandle: Socket | Server): boolean

  • Parameters

    • event: string | symbol
    • Rest ...args: any[]

    Returns boolean

  • Parameters

    • event: "close"
    • code: number
    • signal: string

    Returns boolean

  • Parameters

    • event: "disconnect"

    Returns boolean

  • Parameters

    • event: "error"
    • err: Error

    Returns boolean

  • Parameters

    • event: "exit"
    • code: number | null
    • signal: string | null

    Returns boolean

  • Parameters

    • event: "message"
    • message: any
    • sendHandle: Socket | Server

    Returns boolean

eventNames

  • eventNames(): Array<string | symbol>

  • Returns Array<string | symbol>

getMaxListeners

  • getMaxListeners(): number

  • Returns number

kill

  • kill(signal?: string): void

  • Parameters

    • Optional signal: string

    Returns void

listenerCount

  • listenerCount(type: string | symbol): number

  • Parameters

    • type: string | symbol

    Returns number

listeners

  • listeners(event: string | symbol): Function[]

  • Parameters

    • event: string | symbol

    Returns Function[]

off

  • off(event: string | symbol, listener: function): this

  • Parameters

    • event: string | symbol
    • listener: function
        • (...args: any[]): void

        • Parameters

          • Rest ...args: any[]

          Returns void

    Returns this

on

  • on(event: string, listener: function): this
  • on(event: "close", listener: function): this
  • on(event: "disconnect", listener: function): this
  • on(event: "error", listener: function): this
  • on(event: "exit", listener: function): this
  • on(event: "message", listener: function): this

  • Parameters

    • event: string
    • listener: function
        • (...args: any[]): void

        • Parameters

          • Rest ...args: any[]

          Returns void

    Returns this

  • Parameters

    • event: "close"
    • listener: function
        • (code: number, signal: string): void

        • Parameters

          • code: number
          • signal: string

          Returns void

    Returns this

  • Parameters

    • event: "disconnect"
    • listener: function
        • (): void

        • Returns void

    Returns this

  • Parameters

    • event: "error"
    • listener: function
        • (err: Error): void

        • Parameters

          • err: Error

          Returns void

    Returns this

  • Parameters

    • event: "exit"
    • listener: function
        • (code: number | null, signal: string | null): void

        • Parameters

          • code: number | null
          • signal: string | null

          Returns void

    Returns this

  • Parameters

    • event: "message"
    • listener: function
        • (message: any, sendHandle: Socket | Server): void

        • Parameters

          • message: any
          • sendHandle: Socket | Server

          Returns void

    Returns this

once

  • once(event: string, listener: function): this
  • once(event: "close", listener: function): this
  • once(event: "disconnect", listener: function): this
  • once(event: "error", listener: function): this
  • once(event: "exit", listener: function): this
  • once(event: "message", listener: function): this

  • Parameters

    • event: string
    • listener: function
        • (...args: any[]): void

        • Parameters

          • Rest ...args: any[]

          Returns void

    Returns this

  • Parameters

    • event: "close"
    • listener: function
        • (code: number, signal: string): void

        • Parameters

          • code: number
          • signal: string

          Returns void

    Returns this

  • Parameters

    • event: "disconnect"
    • listener: function
        • (): void

        • Returns void

    Returns this

  • Parameters

    • event: "error"
    • listener: function
        • (err: Error): void

        • Parameters

          • err: Error

          Returns void

    Returns this

  • Parameters

    • event: "exit"
    • listener: function
        • (code: number | null, signal: string | null): void

        • Parameters

          • code: number | null
          • signal: string | null

          Returns void

    Returns this

  • Parameters

    • event: "message"
    • listener: function
        • (message: any, sendHandle: Socket | Server): void

        • Parameters

          • message: any
          • sendHandle: Socket | Server

          Returns void

    Returns this

prependListener

  • prependListener(event: string, listener: function): this
  • prependListener(event: "close", listener: function): this
  • prependListener(event: "disconnect", listener: function): this
  • prependListener(event: "error", listener: function): this
  • prependListener(event: "exit", listener: function): this
  • prependListener(event: "message", listener: function): this

  • Parameters

    • event: string
    • listener: function
        • (...args: any[]): void

        • Parameters

          • Rest ...args: any[]

          Returns void

    Returns this

  • Parameters

    • event: "close"
    • listener: function
        • (code: number, signal: string): void

        • Parameters

          • code: number
          • signal: string

          Returns void

    Returns this

  • Parameters

    • event: "disconnect"
    • listener: function
        • (): void

        • Returns void

    Returns this

  • Parameters

    • event: "error"
    • listener: function
        • (err: Error): void

        • Parameters

          • err: Error

          Returns void

    Returns this

  • Parameters

    • event: "exit"
    • listener: function
        • (code: number | null, signal: string | null): void

        • Parameters

          • code: number | null
          • signal: string | null

          Returns void

    Returns this

  • Parameters

    • event: "message"
    • listener: function
        • (message: any, sendHandle: Socket | Server): void

        • Parameters

          • message: any
          • sendHandle: Socket | Server

          Returns void

    Returns this

prependOnceListener

  • prependOnceListener(event: string, listener: function): this
  • prependOnceListener(event: "close", listener: function): this
  • prependOnceListener(event: "disconnect", listener: function): this
  • prependOnceListener(event: "error", listener: function): this
  • prependOnceListener(event: "exit", listener: function): this
  • prependOnceListener(event: "message", listener: function): this

  • Parameters

    • event: string
    • listener: function
        • (...args: any[]): void

        • Parameters

          • Rest ...args: any[]

          Returns void

    Returns this

  • Parameters

    • event: "close"
    • listener: function
        • (code: number, signal: string): void

        • Parameters

          • code: number
          • signal: string

          Returns void

    Returns this

  • Parameters

    • event: "disconnect"
    • listener: function
        • (): void

        • Returns void

    Returns this

  • Parameters

    • event: "error"
    • listener: function
        • (err: Error): void

        • Parameters

          • err: Error

          Returns void

    Returns this

  • Parameters

    • event: "exit"
    • listener: function
        • (code: number | null, signal: string | null): void

        • Parameters

          • code: number | null
          • signal: string | null

          Returns void

    Returns this

  • Parameters

    • event: "message"
    • listener: function
        • (message: any, sendHandle: Socket | Server): void

        • Parameters

          • message: any
          • sendHandle: Socket | Server

          Returns void

    Returns this

rawListeners

  • rawListeners(event: string | symbol): Function[]

  • Parameters

    • event: string | symbol

    Returns Function[]

ref

  • ref(): void

  • Returns void

removeAllListeners

  • removeAllListeners(event?: string | symbol): this

  • Parameters

    • Optional event: string | symbol

    Returns this

removeListener

  • removeListener(event: string | symbol, listener: function): this

  • Parameters

    • event: string | symbol
    • listener: function
        • (...args: any[]): void

        • Parameters

          • Rest ...args: any[]

          Returns void

    Returns this

send

  • send(message: any, callback?: function): boolean
  • send(message: any, sendHandle?: Socket | Server, callback?: function): boolean
  • send(message: any, sendHandle?: Socket | Server, options?: MessageOptions, callback?: function): boolean

  • Parameters

    • message: any
    • Optional callback: function
        • (error: Error | null): void

        • Parameters

          • error: Error | null

          Returns void

    Returns boolean

  • Parameters

    • message: any
    • Optional sendHandle: Socket | Server
    • Optional callback: function
        • (error: Error | null): void

        • Parameters

          • error: Error | null

          Returns void

    Returns boolean

  • Parameters

    • message: any
    • Optional sendHandle: Socket | Server
    • Optional options: MessageOptions
    • Optional callback: function
        • (error: Error | null): void

        • Parameters

          • error: Error | null

          Returns void

    Returns boolean

setMaxListeners

  • setMaxListeners(n: number): this

  • Parameters

    • n: number

    Returns this

then

  • then<TResult1, TResult2>(onfulfilled?: function | undefined | null, onrejected?: function | undefined | null): PromiseLike<TResult1 | TResult2>

  • Attaches callbacks for the resolution and/or rejection of the Promise.

    Type parameters

    • TResult1

    • TResult2

    Parameters

    • Optional onfulfilled: function | undefined | null

      The callback to execute when the Promise is resolved.

    • Optional onrejected: function | undefined | null

      The callback to execute when the Promise is rejected.

    Returns PromiseLike<TResult1 | TResult2>

    A Promise for the completion of which ever callback is executed.

unref

  • unref(): void

  • Returns void

Static listenerCount

  • listenerCount(emitter: EventEmitter, event: string | symbol): number
  • deprecated

    since v4.0.0

    Parameters

    • emitter: EventEmitter
    • event: string | symbol

    Returns number

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