Xcode4.2 快捷键
------------------------------------------------------------------------------------------------------------- 1. esc 自动完成, 作用和VS中的ctrlj类，像 Eclipse 的 alt/ 2. command / 注释代码和反注释，用 //，相当于 Eclipse 的 ctrl/ 3. control
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1. esc 自动完成, 作用和VS中的ctrl+j类似，像 Eclipse 的 alt+/
2. command + / 注释代码和反注释，用 //，相当于 Eclipse 的 ctrl+/
3. control + command + 上/下箭头 快速在头文件（.h）和实现文件（.m）之间切换
4. command + b 编译程序，不运行
5. command + r 编译并运行程序
6. command + shift + b 分析代码，找到潜在内存溢出问题
7. command + 单击 跳转到声明
8. option + 单击 弹出层中显示帮助信息
9. option + command + 左/右 方向键，折叠/打开当前方法
10. control + command + f Xcode 全屏，在 Lion 上支持
11. command + shit + y 打开/关闭控制台窗口
12. control + k 清理控制台
13. control + command + 左/右方向键，在历史的上/下一个文件中切换
或用两个手指左右滑动
command 代替 PC 键盘上的许多操作，像 Ctrl+V, Ctrl+C, Ctrl+Z，都该用 cmd+V, Cmd+C, Cmd+Z
14. tab 接受当前的自动完成
15. 双击中括号或者大括号，可以选择相应的封闭语句块
16. command - shift - o: 快速搜索打开文件
17. control 配合 1/2/3/4/5/6 键 : 可以快速打开相关文件/类或代码，我常用 control+1 显示打开的文件，control+6 显示当前类中的变量或方法，都可以输入来过滤
20. command + shift + j 在左边导航中定位当前打开的文件
21. command + return 切换到标准编辑器
22. option + command + return 切换到辅助编辑器，左右可以对比，特别方便编辑 xib 时进行拖拉关联
23. command+shift+f 进行 Search
24. f7 调试时 Step Into
25. f6 调试时 Step Over
26. f8 调试时 Step Out
27. control + command + y : debug断点时continue
28. command + \ ： 当前行设置/取消断点
29. command + y 全局激活或禁用所有的断点
30. command+ 左/右方向键 跳到行首/行尾
31. option + 左/右方向键 向前/后跳一个单词
32. option + delete 向前删除一个单词
33. fn + option + delete 向后删除一个单词
34. command + delete 删除当前行中光标前所有字符
35. fn + command + delete 删除当前行中光标后所有字符
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