vim ——nerd commenter

加注释和取消注释

下面是对官网2.3.0版本的注释进行介绍。

# Usage  
用法
The following key mappings are provided by default (there is also a menu 
provided that contains menu items corresponding to all the below mappings): 
表示一下的标签映射都是默认的。

Most of the following mappings are for normal/visual mode only. The |NERDComInsertComment| mapping is for insert mode only. 
下面大多数映射都是在正常模式下的。只有|NERDComInsertComment|是插入模式下的。

**[count]\<leader\>cc |NERDComComment|**  
Comment out the current line or text selected in visual mode. 
注释当前行，在行的第一列进行“//”

如：

//	vector<int> vec;

**[count]\<leader\>cn |NERDComNestedComment|**  
Same as \<leader\>cc but forces nesting. 
贴着当前行第一个字母加"\\"

如：

	//vector<int> vec;

**[count]\<leader\>c<space> |NERDComToggleComment|**  
Toggles the comment state of the selected line(s). If the topmost selected 
line is commented, all selected lines are uncommented and vice versa. 
切换所选行的状态，即注释->不注释，不注释->注释。



**[count]\<leader\>cm |NERDComMinimalComment|**  
Comments the given lines using only one set of multipart delimiters. 
以如下方式注释所选择的行。

	/*vector<int> vec;
	int i = 0; */

**[count]\<leader\>ci |NERDComInvertComment|**  
Toggles the comment state of the selected line(s) individually. 
以如下方式注释所选择的行。

	//vector<int> vec;
	//int i = 0;

**[count]\<leader\>cs |NERDComSexyComment|**  
Comments out the selected lines ``sexily'' 




**[count]\<leader\>cy |NERDComYankComment|**  
Same as \<leader\>cc except that the commented line(s) are yanked first. 




**\<leader\>c$ |NERDComEOLComment|**  
Comments the current line from the cursor to the end of line. 




**\<leader\>cA |NERDComAppendComment|**  
Adds comment delimiters to the end of line and goes into insert mode between 
them. 




**|NERDComInsertComment|**  
Adds comment delimiters at the current cursor position and inserts between. 
Disabled by default. 




**\<leader\>ca |NERDComAltDelim|**  
Switches to the alternative set of delimiters. 




**[count]\<leader\>cl**  
**[count]\<leader\>cb    |NERDComAlignedComment|**  
Same as |NERDComComment| except that the delimiters are aligned down the 
left side (\<leader\>cl) or both sides (\<leader\>cb). 

 “\cl”用如下方法来加注释。

	vector<int> vec; /*  */
	int i = 0; /*  */

**[count]\<leader\>cu |NERDComUncommentLine|**  
Uncomments the selected line(s).