C++实现添加桌面右键新建菜单

前端技术 2023/09/06 C++

对于程序员来说,新建一个cpp文件是再频繁不过的事情了。

为了方便,我们习惯在桌面右键新建文件,而不是新建一个文本文档,然后修改后缀名。

百度谷歌查询了一下,终于知道如何添加注册表。

手痒,抽出时间用cpp写了一个程序,方便以后操作。

客户需求是永远无法满足的,经同学测试,陆续写了三个版本。

接下来直接贴代码~

第一个版本,只能添加c、cpp、java三种后缀。

/*
 * Author: Haipz
 * School: HDU
 * File Name: registry1.0.cpp
 */
#include <cstdio>
#include <cmath>
#include <ctime>
#include <cctype>
#include <cstring>
#include <cstdlib>
#include <climits>
#include <cfloat>
#include <iostream>
#include <vector>
#include <stack>
#include <queue>
#include <set>
#include <map>
#include <algorithm>
using namespace std;

char s[1024], buffer[128], result[1024*4];

void work_1() {
  system(\"reg add \\\"HKEY_CLASSES_ROOT\\\\.c\\\\ShellNew\\\" /v \\\"NullFile\\\" /t REG_SZ\");
}

void work_2() {
  system(\"reg add \\\"HKEY_CLASSES_ROOT\\\\.cpp\\\\ShellNew\\\" /v \\\"NullFile\\\" /t REG_SZ\");
}

void work_3() {
  system(\"reg add \\\"HKEY_CLASSES_ROOT\\\\.java\\\\ShellNew\\\" /v \\\"NullFile\\\" /t REG_SZ\");
}

int main() {
  printf(\"Add registry for C, C++ and Java\\n\");
  printf(\"Author: Haipz\\nSchool: HDU\\n\");
  printf(\"1 for C;\\n2 for C++;\\n3 for Java.\\n\");
  printf(\"Example: 12 to add C and C++.\\n\");
  printf(\"Please make choice(s): \");
  gets(s);
  for (int i = 0; s[i] != \'\\0\'; ++i) {
    printf(\"Working...\\n\");
    if (s[i] == \'1\') work_1();
    else if (s[i] == \'2\') work_2();
    else if (s[i] == \'3\') work_3();
    else printf(\"%c is a wrong enter!\\n\", s[i]);
  }
  system(\"pause\");
  return 0;
}

第二个版本,精简了代码,支持添加用户输入的后缀。

 /*
 * Author: Haipz
 * School: HDU
 * File Name: registry2.0.cpp
 */
 #include <cstdio>
 #include <cmath>
 #include <ctime>
 #include <cctype>
 #include <cstring>
 #include <cstdlib>
 #include <climits>
 #include <cfloat>
 #include <iostream>
 #include <vector>
 #include <stack>
 #include <queue>
 #include <set>
 #include <map>
 #include <algorithm>
 using namespace std;
 
 char a[1024];
 char b[1024] = \"reg add \\\"HKEY_CLASSES_ROOT\\\\.\";
 char c[1024] = \"\\\\ShellNew\\\" /v \\\"NullFile\\\" /t REG_SZ\";
 
 void work(char* a) {
   strcat(b, a);
   strcat(b, c);
   system(b);
 }
 
 int main() {
   printf(\"Function: Add registry to build a new file simply!\\n\");
   printf(\"Author: Haipz\\nSchool: HDU\\n\");
   printf(\"Example: Enter c to add C and enter cpp to add C++.\\n\");
   printf(\"Your opion: \");
   gets(a);
   work(a);
   system(\"pause\");
   return 0;
 }

第三个版本,支持多次添加,并允许删除已添加的注册表。

/*
 * Author: Haipz
 * School: HDU
 * File Name: registry2.0.cpp
 */
#include <cstdio>
#include <cmath>
#include <ctime>
#include <cctype>
#include <cstring>
#include <cstdlib>
#include <climits>
#include <cfloat>
#include <iostream>
#include <vector>
#include <stack>
#include <queue>
#include <set>
#include <map>
#include <algorithm>
using namespace std;

char key[1024];
char a[1024];

void add(char* t) {
  char b[1024] = \"reg add \\\"HKEY_CLASSES_ROOT\\\\.\";
  char c[1024] = \"\\\\ShellNew\\\" /v \\\"NullFile\\\" /t REG_SZ\";
  strcat(b, t);
  strcat(b, c);
  system(b);
}

void del(char* t) {
  char d[1024] = \"reg delete \\\"HKEY_CLASSES_ROOT\\\\.\";
  char e[1024] = \"\\\\ShellNew\\\" /f\";
  strcat(d, t);
  strcat(d, e);
  system(d);
}

int main() {
  printf(\"Function: Build a new file simply!\\n\");
  printf(\"Author: Haipz\\nSchool: HDU\\n\");
  printf(\"Example: Enter \\\"c\\\" to add C and enter \\\"cpp\\\" to add C++;\\n\");
  printf(\"     Enter \\\"-c\\\" to delete C.\\n\");
  do {
    printf(\"Your opion: \");
    gets(a);
    if (a[0] == \'-\') del(a + 1);
    else add(a);
    printf(\"Enter \\\"r\\\" to run again or any other key to quit: \");
    gets(key);
  } while (key[0] == \'r\');
  return 0;
}

打包下载地址:

http://xiazai.phpstudy.net/201601/yuanma/Regedity(phpstudy.net).zip

注意,如果系统提示缺少某dll文件,请到网上下载,并复制到C:\\Windows\\System32目录下。

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