對于程序員來說，新建一個cpp文件是再頻繁不過的事情了。
為了方便，我們習慣在桌面右鍵新建文件，而不是新建一個文本文檔，然后修改后綴名。
百度谷歌查詢了一下，終于知道如何添加注冊表。
手癢，抽出時間用cpp寫了一個程序，方便以后操作。
客戶需求是永遠無法滿足的，經同學測試，陸續寫了三個版本。
接下來直接貼代碼~
第一個版本，只能添加c、cpp、java三種后綴。
/* * 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;}第二個版本，精簡了代碼，支持添加用戶輸入的后綴。
/* * 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] = "http://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; }第三個版本，支持多次添加，并允許刪除已添加的注冊表。
/* * 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] = "http://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] = "http://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;}打包下載地址：
http://xiazai.VeVB.COm/201601/yuanma/Regedity(VeVB.COm).zip
注意，如果系統提示缺少某dll文件，請到網上下載，并復制到C:/Windows/System32目錄下。
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