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title, categories, description, image, commentsID, comments, permalink, lang
| title | categories | description | image | commentsID | comments | permalink | lang | ||
|---|---|---|---|---|---|---|---|---|---|
| Vim 异步实时代码检索 |
|
异步执行 grep，根据输入内容实时展示搜索结果，支持全工程检索、检索当前文件、检索已打开的文件等 | https://img.spacevim.org/80607963-b704d300-8a68-11ea-99c4-5b5bd653cb24.gif | Vim 异步实时代码检索 | true | /cn/:title/ | zh |
Blogs >> Vim 异步实时代码检索
{{ page.date | date_to_string }}
FlyGrep 指的是 grep on the fly，将根据用户输入实时展示搜索结果。当然，这些搜索命令都是异步执行的。
在使用这一功能之前，需要安装一个命令行搜索工具。目前 FlyGrep 支持的工具包括：ag、rg、ack、pt 和 grep，
选择你喜欢的工具安装即可。
这是一个 SpaceVim 内置插件，当然也自动剥离出一个独立的插件供非 SpaceVim 用户使用：FlyGrep.vim
安装
在 Linux 系统下，flygrep 默认使用 grep，如果需要使用更快的工具，可以安装以下某一个工具：
功能特性
- 全工程实时检索
在 SpaceVim 中，可以使用快捷键 SPC s p 或者 SPC s / 进行全工程检索。
- 仅搜索当前文件
同时，可以使用快捷键 SPC s s 仅搜索当前文件中的内容，如果需要在当前文件中搜索光标下的词，可以使用快捷键 SPC s S。
- 在所有已经载入的文件中搜索
如果需要在所有已经打开的文件中搜索，可以使用快捷键 SPC s b，如果需要在所有已打开的文件中搜索光标下的词语，
则可以使用快捷键 SPC s B。
- 搜索指定的文件夹
如果需要指定一个文件夹来搜索，可以使用快捷键 SPC s f，然后输入需要搜索的文件夹即可。同理，
如果需要在指定文件夹下搜索光标下的词语，可以使用快捷键 SPC s F。
- 全工程后台检索
首先，需要启用 incsearch 模块：
[[layers]]
name = 'incsearch'
全工程后台检索，可以使用快捷键 SPC s j，搜索结束后，数量会展示在状态栏上。可以使用 SPC s l 打开搜索列表。
快捷键
SpaceVim 中的搜索命令以 SPC s 为前缀，前一个键是使用的工具，后一个键是范围。
例如 SPC s a b将使用 ag在当前所有已经打开的缓冲区中进行搜索。
如果最后一个键（决定范围）是大写字母，那么就会对当前光标下的单词进行搜索。
举个例子 SPC s a B 将会搜索当前光标下的单词。
如果工具键被省略了，那么会用默认的搜索工具进行搜索。默认的搜索工具对应在 g:spacevim_search_tools
列表中的第一个工具。列表中的工具默认的顺序为：rg, ag, pt, ack, grep。
举个例子：如果 rg 和 ag 没有在系统中找到，那么 SPC s b 会使用 pt 进行搜索。
下表是全部的工具键：
| 工具 | 键 |
|---|---|
| ag | a |
| grep | g |
| ack | k |
| rg | r |
| pt | t |
应当避免的范围和对应按键为：
| 范围 | 键 |
|---|---|
| 打开的缓冲区 | b |
| 给定目录的文件 | f |
| 当前工程 | p |
在 FlyGrep 内的快捷键如下：
| 快捷键 | 功能描述 |
|---|---|
<Esc> |
关闭搜索窗口 |
<Enter> |
打开当前选中的文件位置 |
Ctrl-t |
在新标签栏打开选中项 |
Ctrl-s |
在分屏打开选中项 |
Ctrl-v |
在垂直分屏打开选中项 |
Ctrl-q |
将搜索结果转移至 quickfix |
<Tab> |
选中下一行文件位置 |
Shift-<Tab> |
选中上一行文件位置 |
<Backspace> |
删除上一个输入字符 |
Ctrl-w |
删除光标前的单词 |
Ctrl-u |
删除光标前所有内容 |
Ctrl-k |
删除光标后所有内容 |
Ctrl-a / <Home> |
将光标移至行首 |
Ctrl-e / <End> |
将光标移至行尾 |