本小项目最终的实现如下:
输入相应的字符,然后在最下面能够统计错误的个数,输入字符总个数,输入个数以及错误率。


那如何来实现这个小项目呢?规划如下,我们需要大致实现以下三个模块:
实现过程:
使用getch()
函数可以获取键盘输入的字符,显示可以使用Window自带的API来实现,统计就很简单了,就是计算输入字符的个数等等。。。接下来就是简单的软件逻辑的实现。
源码如下:
- #include <stdio.h>
- #include <string.h>
- #include <Windows.h>
- #include <unistd.h>
- #include <conio.h>
- #define NR(x) sizeof(x)/sizeof(x[0])
- //清屏
- #define ClearScreen() system("cls");
- #define TITLE "金山打字通"
- enum
- {
- LEFT = 1 ,
- RIGHT ,
- BACKSPACE ,
- ESC ,
- Char,
- };
- enum KEYBOARD
- {
- ESC_KEY = 27,
- BACKSPACE_KEY = 8 ,
- LEFT_KEY = 75 ,
- RIGHT_KEY = 77
- };
- int iindex = 0 ;
- int max = 0 ;
- static int count = 0 ;
- char buffer[1024] = {0} ;
- int Get_User_input(HANDLE hOut,char *ch) ;
- void Show_string(HANDLE hOut,const char *text) ;
- //窗口初始化
- void HANDLE_init(HANDLE hOut);
- //定义设置光标结构体变量
- CONSOLE_CURSOR_INFO cci;
- //定义默认的坐标位置
- COORD pos = {0,0};
- int main(void)
- {
- char *text = "WelCome to School ... Good Good Work ,Day Day Up !" ;
- char ch ;
- int ret ;
- HANDLE hOut;
- hOut = GetStdHandle(STD_OUTPUT_HANDLE);
- HANDLE_init(hOut);
- printf("\n%s\n",text);
- Show_string(hOut,text);
- while(1)
- {
- if(max >= strlen(text))
- break ;
- ret = Get_User_input(hOut,&ch) ;
- if(ret == ESC)
- break ;
- Show_string(hOut,text);
- }
- //关闭窗口句柄
- CloseHandle(hOut);
- return 0 ;
- }
- //窗口初始化
- void HANDLE_init(HANDLE hOut)
- {
- SetConsoleTitleA(TITLE);
- //获取当前的句柄---设置为标准输出句柄
- //获取光标信息
- GetConsoleCursorInfo(hOut, &cci);
- //设置光标大小
- pos.X = 0 ;
- pos.Y = 2 ;
- cci.dwSize = 1;
- //设置光标不可见 FALSE
- cci.bVisible = 0;
- //设置(应用)光标信息
- SetConsoleCursorInfo(hOut, &cci);
- }
- static int __Get_User_input(HANDLE hOut,char *ch)
- {
- char tmp ;
- int type = Char ;
- //关闭回显
- pos.X = 0 ;
- pos.Y = 2 ;
- GetConsoleCursorInfo(hOut, &cci);
- cci.dwSize = 100;
- cci.bVisible = 0;
- SetConsoleCursorInfo(hOut, &cci);
- tmp = getch() ;
- switch(tmp)
- {
- case ESC_KEY : type = ESC ; break ;
- case BACKSPACE_KEY : type = BACKSPACE ; break ;
- case LEFT_KEY : type = LEFT ; break ;
- case RIGHT_KEY : type = RIGHT; break ;
- }
- *ch = tmp ;
- //打开回显
- pos.X = 0 ;
- pos.Y = 2 ;
- GetConsoleCursorInfo(hOut, &cci);
- cci.dwSize = 100;
- cci.bVisible = 1;
- SetConsoleCursorInfo(hOut, &cci);
- return type ;
- }
- //获取用于输入
- int Get_User_input(HANDLE hOut,char *ch)
- {
- int type ;
- type = __Get_User_input(hOut,ch);
- switch(type)
- {
- case Char :
- if(buffer[iindex] == '\0' )
- buffer[iindex] = *ch ;
- else
- {
- memmove(buffer+iindex+1 , buffer+iindex , max-iindex) ;
- buffer[iindex] = *ch ;
- }
- iindex ++ ; max ++ ; break ;
- //case LEFT : if(iindex > 0) iindex -- ; break ;
- //case RIGHT : if(iindex < max) iindex ++ ; break ;
- case BACKSPACE :
- if(iindex > 0){
- memmove(buffer+iindex-1 , buffer+iindex , max-iindex) ;
- iindex -- ;
- max -- ;
- }
- if(iindex == 0)
- {
- count = 0 ;
- }
- break ;
- case ESC : return ESC ;
- }
- return 0 ;
- }
- //显示和统计
- void Show_string(HANDLE hOut,const char *text)
- {
- system("cls") ;
- printf("\n%s\n",text) ;
- int i ;
- int errno_Num = 0 ;
- for(i = 0 ; i < max ; i++)
- {
- if(buffer[i] == text[i])
- {
- SetConsoleTextAttribute(hOut, FOREGROUND_GREEN | 0x8);
- printf("%c",buffer[i]);
- }
- else
- {
- SetConsoleTextAttribute(hOut, FOREGROUND_RED | 0x8);
- printf("%c",buffer[i]);
- errno_Num++ ;
- }
- }
- pos.X = 0 ;
- pos.Y = 2 ;
- cci.dwSize = 100;
- cci.bVisible = 1 ;
- SetConsoleCursorPosition(hOut,pos);
- SetConsoleCursorInfo(hOut, &cci);
- SetConsoleTextAttribute(hOut,FOREGROUND_GREEN | 0x8);
- pos.X = 0;
- pos.Y = 15 ;
- SetConsoleCursorPosition(hOut,pos);
- printf("错误的个数:%d", errno_Num) ;
- pos.X = 0;
- pos.Y = 16 ;
- SetConsoleCursorPosition(hOut,pos);
- printf("总个数:%d", (int)strlen(text)) ;
- pos.X = 0;
- pos.Y = 17 ;
- SetConsoleCursorPosition(hOut,pos);
- printf("输入个数:%d", max) ;
- pos.X = 0;
- pos.Y = 18 ;
- SetConsoleCursorPosition(hOut,pos);
- if(count == 0)
- printf("错误率:0%%") ;
- else
- printf("错误率:%.2f%%",((float)errno_Num)/((float)max)*100) ;
- pos.X = iindex + 1 ;
- pos.Y = 2 ;
- cci.dwSize = 100;
- cci.bVisible = 1 ;
- count = 1 ;
- SetConsoleCursorPosition(hOut,pos);
- SetConsoleCursorInfo(hOut, &cci);
- fflush(stdout);
- }
总结
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