找到keil路径下的global.prop文件，将# C/C++ Editor files下的部分改为如下的设置即可。本人的路径为D:\Keil_v5\UV4\global.prop
转载：https://blog.csdn.net/changyourmind/article/details/54973260
# C/C++ Editor files
template.cpp="#define","#define |";"#if","#if |\r\n\r\n#endif";\\
"#include","#include ";"Header","// Header:\r\n// File Name: |\r\n// Author:\r\n// Date:\r\n";\\
"continue","continue;";"do","do\r\n{\r\n\t// TODO: enter the block content here\r\n\t\r\n\t|\r\n} while ();\r\n";\\
"enum","enum |\r\n{\r\n\t\r\n};\r\n";"for","for(|;;)\r\n{\r\n}";\\
"fpointer_type","typedef int (* |F)();\r\n";"function","void function(|)\r\n{\r\n\r\n}\r\n";\\
"if","if (|)";"ifelse","if (|)\r\n{\r\n}\r\nelse\r\n{\r\n}";\\
"struct","struct | \r\n{\r\n\r\n};\r\n";"switch","switch (|)\r\n{\r\n\tcase:\r\n\t\tbreak;\r\n\tcase:\r\n\t\tbreak;\r\n\tdefault:\r\n\t\tbreak;\r\n}";\\
"void","void | ();\r\n";"while","while (|)\r\n{\r\n}";\\
font.monospace.cpp=Consolas
style.cpp.32=font:Consolas,size:14,fore:#FF972F,back:#152B2B
style.cpp.4=font:Consolas,size:14,fore:#007F7F,back:#152B2B
style.cpp.10=font:Consolas,size:14,fore:#FF8040,back:#152B2B
style.cpp.1=font:Consolas,size:14,fore:#AAFFFF,back:#152B2B
style.cpp.2=font:Consolas,size:14,fore:#AAFFFF,back:#152B2B
style.cpp.5=font:Consolas,size:14,fore:#BF0000,back:#152B2B,bold,italics
style.cpp.6=font:Consolas,size:14,fore:#FF8040,back:#152B2B
style.cpp.11=font:Consolas,size:14,fore:#FF8040,back:#152B2B
style.cpp.9=font:Consolas,size:14,fore:#FF0000,back:#152B2B
style.cpp.7=font:Consolas,size:14,fore:#7F007F,back:#152B2B
style.cpp.34=font:Consolas,size:14,fore:#16F348,back:#152B2B
style.cpp.35=font:Consolas,size:14,fore:#FF0000,back:#152B2B
style.cpp.16=font:Consolas,size:14,fore:#B00040,back:#152B2B
style.cpp.12=font:Consolas,size:14,fore:#000000,back:#152B2B
效果图如下：
