spacevim/docs/cn/api/job.md
JIe 2bb7059579
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2024-08-21 14:17:26 +08:00

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job 接口 兼容 neovim 和 vim 的异步协同接口,对于旧版 vim 采用非异步机制 zh

可用接口 >> job

简介

job 接口提供了一套可以兼容 neovim 和 vim 的异步控制机制,具体实现模型是参考的 neovim 的模型。

函数及变量

名称 描述
start(cmd, argv) 开始一个 job, 并返回 job id.
send(id, data) 传递数据至指定 id 的 job
stop(id) 终止指定 id 的 job
status(id) 查看指定 id 的 job 的状态
list() 列出所有 job

以上这个 api 仅提供了基础的 job 函数,当你的脚本需要用到 job 高级功能时,建议直接使用 neovim 或 vim 内置函数。

使用示例

以下为通过该 API 异步执行命令 python test.py,并设置相关的回调函数:

" 导入 job API 并赋值给 s:JOB
let s:JOB = SpaceVim#api#import('job')

" 定义回调函数,这里定义了三个回调函数,分别对应 stdout stderr 以及 exit。
function! s:on_stdout(id, data, event) abort
   " do something with stdout
endfunction

function! s:on_stderr(id, data, event) abort
  " do something with stderr
endfunction

function! s:on_exit(id, data, event) abort
  " handle exit code
endfunction

let cmd = ['python', 'test.py']

call s:JOB.start(cmd,
    \ {
    \   'on_stdout' : function('s:on_stdout'),
    \   'on_stderr' : function('s:on_stderr'),
    \   'on_exit' : function('s:on_exit'),
    \ }
    \ )

以上代码可以在 vim 或者 neovim 中异步运行命令,甚至对于老版本的 vim 也兼容,但是在老版本 vim 中执行的时候不是异步的。