IDEA的使用：8.常用的快捷键

た入场券 2022-05-10 03:38 188阅读 0赞

IDEA的快捷键是它吸引了一大波粉丝的原因之一，现在来简单聊聊IDEA的快捷键。

在IDEA中，有如下常用的快捷键：

<table style="margin-left:-5.4pt;width:495.45pt;"> 
 <tbody> 
 <tr> 
 <td style="border-color:#000000;vertical-align:top;width:26.8pt;"> 1 </td> 
 <td style="border-color:#000000;vertical-align:top;width:311.45pt;"> 执行(run) &nbsp;&nbsp; &nbsp; </td> 
 <td style="border-color:#000000;vertical-align:top;width:157.25pt;"> alt+r </td> 
 </tr> 
 <tr> 
 <td style="border-color:#000000;vertical-align:top;width:26.8pt;"> 2 </td> 
 <td style="vertical-align:top;width:311.45pt;"> 提示补全 (Class Name Completion)&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp; </td> 
 <td style="vertical-align:top;width:157.25pt;"> alt+/ </td> 
 </tr> 
 <tr> 
 <td style="border-color:#000000;vertical-align:top;width:26.8pt;"> 3 </td> 
 <td style="vertical-align:top;width:311.45pt;"> 单行注释 &nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp; </td> 
 <td style="vertical-align:top;width:157.25pt;"> ctrl + / </td> 
 </tr> 
 <tr> 
 <td style="border-color:#000000;vertical-align:top;width:26.8pt;"> 4 </td> 
 <td style="width:311.45pt;"> 多行注释 </td> 
 <td style="vertical-align:top;width:157.25pt;"> ctrl + shift + / </td> 
 </tr> 
 <tr> 
 <td style="border-color:#000000;vertical-align:top;width:26.8pt;"> 5 </td> 
 <td style="vertical-align:top;width:311.45pt;"> 向下复制一行 (Duplicate Lines)&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp; </td> 
 <td style="vertical-align:top;width:157.25pt;"> ctrl+alt+down </td> 
 </tr> 
 <tr> 
 <td style="border-color:#000000;vertical-align:top;width:26.8pt;"> 6 </td> 
 <td style="vertical-align:top;width:311.45pt;"> 删除一行或选中行 (delete line)&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp; </td> 
 <td style="vertical-align:top;width:157.25pt;"> ctrl+d </td> 
 </tr> 
 <tr> 
 <td style="border-color:#000000;vertical-align:top;width:26.8pt;"> 7 </td> 
 <td style="vertical-align:top;width:311.45pt;"> 向下移动行(move statement down)&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp; </td> 
 <td style="vertical-align:top;width:157.25pt;"> alt+down </td> 
 </tr> 
 <tr> 
 <td style="border-color:#000000;vertical-align:top;width:26.8pt;"> 8 </td> 
 <td style="vertical-align:top;width:311.45pt;"> 向上移动行(move statement up)&nbsp; &nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp; </td> 
 <td style="vertical-align:top;width:157.25pt;"> alt+up </td> 
 </tr> 
 <tr> 
 <td style="border-color:#000000;vertical-align:top;width:26.8pt;"> 9 </td> 
 <td style="vertical-align:top;width:311.45pt;"> 向下开始新的一行(start new line) &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp; </td> 
 <td style="vertical-align:top;width:157.25pt;"> shift+enter </td> 
 </tr> 
 <tr> 
 <td style="border-color:#000000;vertical-align:top;width:26.8pt;"> 10 </td> 
 <td style="vertical-align:top;width:311.45pt;"> 向上开始新的一行 (Start New Line before current)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </td> 
 <td style="vertical-align:top;width:157.25pt;"> ctrl+shift+enter </td> 
 </tr> 
 <tr> 
 <td style="border-color:#000000;vertical-align:top;width:26.8pt;"> 11 </td> 
 <td style="vertical-align:top;width:311.45pt;"> 如何查看源码 (class) &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp; </td> 
 <td style="vertical-align:top;width:157.25pt;"> ctrl + 选中指定的结构 或 ctrl + shift + t </td> 
 </tr> 
 <tr> 
 <td style="border-color:#000000;vertical-align:top;width:26.8pt;"> 12 </td> 
 <td style="width:311.45pt;"> 万能解错/生成返回值变量&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp; </td> 
 <td style="vertical-align:top;width:157.25pt;"> alt + enter </td> 
 </tr> 
 <tr> 
 <td style="border-color:#000000;vertical-align:top;width:26.8pt;"> 13 </td> 
 <td style="vertical-align:top;width:311.45pt;"> 退回到前一个编辑的页面 (back) &nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp; </td> 
 <td style="vertical-align:top;width:157.25pt;"> alt + left </td> 
 </tr> 
 <tr> 
 <td style="border-color:#000000;vertical-align:top;width:26.8pt;"> 14 </td> 
 <td style="vertical-align:top;width:311.45pt;"> 进入到下一个编辑的页面(针对于上条) (forward)&nbsp;&nbsp; &nbsp; </td> 
 <td style="vertical-align:top;width:157.25pt;"> alt + right </td> 
 </tr> 
 <tr> 
 <td style="border-color:#000000;vertical-align:top;width:26.8pt;"> 15 </td> 
 <td style="width:311.45pt;"> 查看继承关系(type hierarchy) &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp; </td> 
 <td style="vertical-align:top;width:157.25pt;"> F4 </td> 
 </tr> 
 <tr> 
 <td style="border-color:#000000;vertical-align:top;width:26.8pt;"> 16 </td> 
 <td style="vertical-align:top;width:311.45pt;"> 格式化代码(reformat code)&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp; </td> 
 <td style="vertical-align:top;width:157.25pt;"> ctrl+shift+F </td> 
 </tr> 
 <tr> 
 <td style="border-color:#000000;vertical-align:top;width:26.8pt;"> 17 </td> 
 <td style="width:311.45pt;"> 提示方法参数类型(Parameter Info)&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp; </td> 
 <td style="vertical-align:top;width:157.25pt;"> ctrl+alt+/ </td> 
 </tr> 
 <tr> 
 <td style="border-color:#000000;vertical-align:top;width:26.8pt;"> 18 </td> 
 <td style="width:311.45pt;"> 复制代码 &nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp; </td> 
 <td style="vertical-align:top;width:157.25pt;"> ctrl + c </td> 
 </tr> 
 <tr> 
 <td style="border-color:#000000;vertical-align:top;width:26.8pt;"> 19 </td> 
 <td style="width:311.45pt;"> 撤销 &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp; </td> 
 <td style="vertical-align:top;width:157.25pt;"> ctrl + z </td> 
 </tr> 
 <tr> 
 <td style="border-color:#000000;vertical-align:top;width:26.8pt;"> 20 </td> 
 <td style="width:311.45pt;"> 反撤销&nbsp; &nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp; </td> 
 <td style="vertical-align:top;width:157.25pt;"> ctrl + y </td> 
 </tr> 
 <tr> 
 <td style="border-color:#000000;vertical-align:top;width:26.8pt;"> 21 </td> 
 <td style="width:311.45pt;"> 剪切 &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp; </td> 
 <td style="vertical-align:top;width:157.25pt;"> ctrl + x </td> 
 </tr> 
 <tr> 
 <td style="border-color:#000000;vertical-align:top;width:26.8pt;"> 22 </td> 
 <td style="width:311.45pt;"> 粘贴 &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp; </td> 
 <td style="vertical-align:top;width:157.25pt;"> ctrl + v </td> 
 </tr> 
 <tr> 
 <td style="border-color:#000000;vertical-align:top;width:26.8pt;"> 23 </td> 
 <td style="width:311.45pt;"> 保存 &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp; </td> 
 <td style="vertical-align:top;width:157.25pt;"> ctrl + s </td> 
 </tr> 
 <tr> 
 <td style="border-color:#000000;vertical-align:top;width:26.8pt;"> 24 </td> 
 <td style="width:311.45pt;"> 全选 &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp; </td> 
 <td style="vertical-align:top;width:157.25pt;"> ctrl + a </td> 
 </tr> 
 <tr> 
 <td style="border-color:#000000;vertical-align:top;width:26.8pt;"> 25 </td> 
 <td style="width:311.45pt;"> 选中数行，整体往后移动 &nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp; </td> 
 <td style="vertical-align:top;width:157.25pt;"> tab </td> 
 </tr> 
 <tr> 
 <td style="border-color:#000000;vertical-align:top;width:26.8pt;"> 26 </td> 
 <td style="width:311.45pt;"> 选中数行，整体往前移动 &nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp; </td> 
 <td style="vertical-align:top;width:157.25pt;"> shift + tab </td> 
 </tr> 
 <tr> 
 <td style="border-color:#000000;vertical-align:top;width:26.8pt;"> 27 </td> 
 <td style="width:311.45pt;"> 查看类的结构：类似于 eclipse 的 outline &nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp; </td> 
 <td style="vertical-align:top;width:157.25pt;"> ctrl+o </td> 
 </tr> 
 <tr> 
 <td style="border-color:#000000;vertical-align:top;width:26.8pt;"> 28 </td> 
 <td style="width:311.45pt;"> 重构：修改变量名与方法名(rename) &nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp; </td> 
 <td style="vertical-align:top;width:157.25pt;"> alt+shift+r </td> 
 </tr> 
 <tr> 
 <td style="border-color:#000000;vertical-align:top;width:26.8pt;"> 29 </td> 
 <td style="width:311.45pt;"> 大写转小写/小写转大写(toggle case) &nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp; </td> 
 <td style="vertical-align:top;width:157.25pt;"> ctrl+shift+y </td> 
 </tr> 
 </tbody> 
</table>

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对于部分从Eclipse或MyEclipse转IDEA的程序员而言，可能会觉得IDEA的快捷键用不顺手，这时IDEA也提供了和Eclipse相同的快捷键方式，具体设置如下图所示：

![70][]

也可以通过导入jar包的方式来修改快捷键：

![70 1][]

![70 2][]

这里为大家提供一个和Eclipse保持一致的jar包，大家可以下载后进行导入：

链接：https://pan.baidu.com/s/10OXHj32sef2slmil9Y1wHQ 密码：unke

导入之后即可使用：

![70 3][]

[70]: /images/20220510/bc6f6f900cbd47fc846a7c090062d80a.png
[70 1]: /images/20220510/d35e7a5ade4543519ed6af29a9b1959b.png
[70 2]: /images/20220510/297fd781c5cb47d98a2faf4b385928a3.png
[70 3]: /images/20220510/27ec5fd59e924b17b4a56fa264a92e23.png