(global-set-key (kbd "C-a") 'mark-whole-buffer)
;;全选
(global-set-key (kbd "C-z") 'undo)
;;一键撤销
(global-set-key (kbd "RET") 'newline-and-indent)
;;换行时自动缩进
(cua-mode t)
;;Windows的剪切复制粘贴键
(show-paren-mode t)
(global-linum-mode t)
;;括号匹配，显示行号
(blink-cursor-mode -1)
;;光标别闪
(setq kill-ring-max 200)
;;撤销的缓存开大点
(setq default-cursor-type 'bar)
(setq default-tab-width 4)
;;默认tab宽度
(setq c-default-style "awk")
;;缩进风格
(set-background-color "gray15")
(set-foreground-color "gray")
;;背景颜色（白的太亮了）前景颜色也要跟着改
(set-frame-parameter (selected-frame) 'alpha (list 85 50))
;;透明度（一边敲代码一边看题还是舒服多了）