ILOVEYOU代码

　　代码确实很简单。。。我是初学者，练手的。

 /*
     文件名： Love.c
     描  述： 打印字母和图形
 */
 #include<stdio.h>
 #include<windows.h>     //提供sleep函数
 #include<stdlib.h>      //提供system("cls")清空屏幕

 int main(void)
 {
     /*声明自定义函数*/
     void I();
     void L();
     void O();
     void V();
     void E();
     void Y();
     void U();
     void i_love_you();

     int i;                  //后面也会出现循环变量i，统一再次声明
     for(i=;i<=;i++){      //循环插入字母
         //打印心形图案，此处代码来自网络，仅修改了部分参数，改变了大小，并使之可以显示阴阳心形。
         //用*打印心形边框
         //逐行打印
         for (float y = 1.3f; y > -1.1f; y -= 0.1f) {
             for (float x = -1.5f; x < 1.5f; x += 0.05f) {
                 float a = x * x + y * y - ;
                 putchar(a * a * a - x * x * y * y * y >= 0.0f ? '*' : ' ');
             }
             putchar('\n');
         }

         //延时并清屏
         Sleep();
         system("cls");

         //选择打印字母，除i_love_you函数外延时和清屏函数设置在打印字母函数里
         switch(i){
     case :
         I();
         break;
     case :
         L();
         break;
     case :
         O();
         break;
     case :
         V();
         break;
     case :
         E();
         break;
     case :
         Y();
         break;
     case :
         O();
         break;
     case :
         U();
         break;
     case :
         i_love_you();
         system("cls");      //清屏
         break;
         }

         //打印心形，用*打印心
         for (float y = 1.3f; y > -1.1f; y -= 0.1f) {
             for (float x = -1.5f; x < 1.5f; x += 0.05f) {
                 float a = x * x + y * y - ;
                 putchar(a * a * a - x * x * y * y * y <= 0.0f ? '*' : ' ');
             }
             putchar('\n');
         }

         //延时并清屏
         Sleep();
         system("cls");
     }

     //一次调用打印字母函数
     I();L();O();V();E();Y();O();U();
     for(int i=;i<=;i++){
         i_love_you();
         system("cls");
     }
     gantan();
     gantan();
     i_love_you();   //最后一次调用i_love_you()，不清屏

     return ;
 }

 /*以下函数均用于打印字母和符号*/
 void I()
 {
 printf("\n\n\n\n");
 printf("                       ***************                       \n");
 printf("                       ***************                       \n");
 printf("                             ***                             \n");
 printf("                             ***                             \n");
 printf("                             ***                             \n");
 printf("                             ***                             \n");
 printf("                             ***                             \n");
 printf("                             ***                             \n");
 printf("                             ***                             \n");
 printf("                             ***                             \n");
 printf("                             ***                             \n");
 printf("                      *****************                      \n");
 printf("                      *****************                      \n");
 Sleep();
 system("cls");
 }
 void L()
 {
 printf("\n\n\n");
 printf("                                                             \n");
 printf("                      ****                                   \n");
 printf("                      ***                                    \n");
 printf("                      ***                                    \n");
 printf("                      ***                                    \n");
 printf("                      ***                                    \n");
 printf("                      ***                                    \n");
 printf("                      ***                                    \n");
 printf("                      ***                                    \n");
 printf("                      ***                                    \n");
 printf("                      ***               *                    \n");
 printf("                      ***              ***                   \n");
 printf("                      ********************                   \n");
 printf("                     *********************                   \n");
 printf("                                                             \n");
 printf("                                                             \n");
 Sleep();
 system("cls");
 }

 void O()
 {
 printf("\n\n\n\n\n\n");
 printf("                             ***                             \n");
 printf("                         ***     ***                         \n");
 printf("                     ***             ***                     \n");
 printf("                     **               **                     \n");
 printf("                     **               **                     \n");
 printf("                     **               **                     \n");
 printf("                     **               **                     \n");
 printf("                     **               **                     \n");
 printf("                     **               **                     \n");
 printf("                       **           **                       \n");
 printf("                          **     **                          \n");
 printf("                            *****                            \n");
 printf("                                                             \n");
 Sleep();
 system("cls");
 }

 void V()
 {
 printf("\n\n\n\n\n\n");
 printf("                 *******             *******                 \n");
 printf("                   ****               ****                   \n");
 printf("                    ****             ****                    \n");
 printf("                     ****           ****                     \n");
 printf("                      ****         ****                      \n");
 printf("                       ****       ****                       \n");
 printf("                        ****     ****                        \n");
 printf("                         ****   ****                         \n");
 printf("                          **** ****                          \n");
 printf("                           *******                            \n");
 printf("                            *****                            \n");
 printf("                                                             \n");
 Sleep();
 system("cls");
 }

 void E()
 {
 printf("\n\n\n\n\n\n");
 printf("                        ********                             \n");
 printf("                     **************                          \n");
 printf("                  ****             ****                      \n");
 printf("                 ***                  ***                    \n");
 printf("                ***                    ***                   \n");
 printf("                *** ************      ***                    \n");
 printf("                 ***        ************                     \n");
 printf("                  ***           * ***                        \n");
 printf("                   ****                                      \n");
 printf("                     ****          **                        \n");
 printf("                       *************                         \n");
 printf("                           *****                             \n");
 printf("                                                             \n");
 printf("                                                             \n");
 Sleep();
 system("cls");
 }

 void Y()
 {
 printf("\n\n\n\n\n\n");
 printf("                    ***              ***                     \n");
 printf("                    ***              ***                     \n");
 printf("                    ***              ***                     \n");
 printf("                    ***              ***                     \n");
 printf("                       ***         ***                      \n");
 printf("                        *****   *****                        \n");
 printf("                           *******                           \n");
 printf("                             ***                             \n");
 printf("                             ***                             \n");
 printf("                             ***                             \n");
 printf("                             ***                             \n");
 printf("                             ***                             \n");
 printf("                                                             \n");
 Sleep();
 system("cls");
 }

 void U()
 {
 printf("\n\n\n\n\n\n");
 printf("                                                             \n");
 printf("                  ****                 ****                  \n");
 printf("                  ***                   ***                  \n");
 printf("                  ***                   ***                  \n");
 printf("                  ***                   ***                  \n");
 printf("                  ***                   ***                  \n");
 printf("                  ***                   ***                  \n");
 printf("                  ***                   ***                  \n");
 printf("                   ***                 ***                   \n");
 printf("                    ***               ***                    \n");
 printf("                      ***            ***                     \n");
 printf("                       ****************                      \n");
 printf("                          **********                         \n");
 Sleep();
 system("cls");
 }

 void i_love_you(){
 printf("\n\n\n\n\n\n");
 printf("                                                             \n");
 printf("             ***   **     *****  *     *  ****               \n");
 printf("              *    *      *   *   *   *   *                  \n");
 printf("              *    *      *   *    * *    ****               \n");
 printf("              *    *   *  *   *    * *    *                  \n");
 printf("             ***   *****  *****     *     ****               \n");
 printf("                                                             \n");
 printf("                  *   *   *****   *  *                       \n");
 printf("                   * *    *   *   *  *                       \n");
 printf("                    *     *   *   *  *                       \n");
 printf("                    *     *   *   *  *                       \n");
 printf("                    *     *****   ****                       \n");
 printf("                                                             \n");
 Sleep();
 }

 void gantan()
 {
 printf("\n\n\n\n");
 printf("                             ***                             \n");
 printf("                            *****                            \n");
 printf("                           *******                           \n");
 printf("                          *********                          \n");
 printf("                          *********                          \n");
 printf("                           *******                           \n");
 printf("                           *******                           \n");
 printf("                            *****                            \n");
 printf("                             ***                             \n");
 printf("                                                             \n");
 printf("                             ***                             \n");
 printf("                            *****                            \n");
 printf("                             ***                             \n");
 Sleep();
 system("cls");
 }