语音识别
er.xml
<?xml version="1.0" encoding="utf-8"?>
<GRAMMAR LANGID="804">
<DEFINE>
<ID NAME="CMD" VAL="10"/>
</DEFINE>
<RULE NAME="COMMAND" ID="CMD" TOPLEVEL="ACTIVE">
<L>
<P>资源管理器</P>
<P>打开企鹅</P>
<P>关闭企鹅</P>
<P>关机</P>
<P>重启</P>
<P>记事本</P>
<P>计算器</P>
<P>画图板</P>
<P>谭胜</P>
</L>
</RULE>
</GRAMMAR>
yuyin.cpp
#include <windows.h>
#include <atlstr.h>
#include <sphelper.h>
#include <sapi.h>
#include<comutil.h>
#include<string.h>
#include<stdlib.h>
#pragma comment(lib,"sapi.lib")
#pragma comment(lib, "comsupp.lib")
#define GID_CMD_GR 333333
#define WM_RECOEVENT WM_USER+1
LRESULT CALLBACK WndProc(HWND,UINT,WPARAM,LPARAM);
char szAppName[] = "TsinghuaYincheng";
BOOL b_initSR;
BOOL b_Cmd_Grammar;
CComPtr<ISpRecoContext>m_cpRecoCtxt; //语音识别程序接口
CComPtr<ISpRecoGrammar>m_cpCmdGramma; //识别语法
CComPtr<ISpRecognizer>m_cpRecoEngine; //语音识别引擎
int WINAPI WinMain(HINSTANCE hInstance,HINSTANCE hPrevInstance,PSTR szCmdLine,int iCmdShow)
{
HWND hwnd;
MSG msg;
WNDCLASS wndclass;
wndclass.cbClsExtra =0;
wndclass.cbWndExtra =0;
wndclass.hbrBackground =(HBRUSH)GetStockObject(WHITE_BRUSH);
wndclass.hCursor =LoadCursor(NULL,IDC_ARROW);
wndclass.hIcon =LoadIcon(NULL,IDI_APPLICATION);
wndclass.hInstance =hInstance;
wndclass.lpfnWndProc =WndProc;
wndclass.lpszClassName =szAppName;
wndclass.lpszMenuName =NULL;
wndclass.style =CS_HREDRAW|CS_VREDRAW;
if(!RegisterClass(&wndclass))
{
MessageBox(NULL,TEXT("This program requires Windows NT!"),szAppName,MB_ICONERROR);
return 0;
}
hwnd=CreateWindow(szAppName,
TEXT("传智播客C/C++学院语音识别教程"),
WS_OVERLAPPEDWINDOW,
CW_USEDEFAULT,
CW_USEDEFAULT,
CW_USEDEFAULT,
CW_USEDEFAULT,
NULL,
NULL,
hInstance,
NULL);
ShowWindow(hwnd,iCmdShow);
UpdateWindow(hwnd);
while(GetMessage(&msg,NULL,0,0))
{
TranslateMessage(&msg);
DispatchMessage(&msg);
}
return msg.wParam;
}
LRESULT CALLBACK WndProc(HWND hwnd,UINT message,WPARAM wParam,LPARAM lParam)
{
HDC hdc;
PAINTSTRUCT ps;
switch(message)
{
case WM_CREATE:
{
//初始化COM端口
::CoInitializeEx(NULL,COINIT_APARTMENTTHREADED);
//创建识别引擎COM实例为共享型
HRESULT hr=m_cpRecoEngine.CoCreateInstance(CLSID_SpSharedRecognizer);
//创建识别上下文接口
if(SUCCEEDED(hr))
{
hr=m_cpRecoEngine->CreateRecoContext(&m_cpRecoCtxt);
}
else MessageBox(hwnd,TEXT("error1"),TEXT("error"),S_OK);
//设置识别消息,使计算机时刻监听语音消息
if(SUCCEEDED(hr))
{
hr=m_cpRecoCtxt->SetNotifyWindowMessage(hwnd,WM_RECOEVENT,0,0);
}
else MessageBox(hwnd,TEXT("error2"),TEXT("error"),S_OK);
//设置我们感兴趣的事件
if(SUCCEEDED(hr))
{
ULONGLONG ullMyEvents=SPFEI(SPEI_SOUND_START)|SPFEI(SPEI_RECOGNITION)|SPFEI(SPEI_SOUND_END);
hr=m_cpRecoCtxt->SetInterest(ullMyEvents,ullMyEvents);
}
else MessageBox(hwnd,TEXT("error3"),TEXT("error"),S_OK);
//创建语法规则
b_Cmd_Grammar=TRUE;
if(FAILED(hr))
{
MessageBox(hwnd,TEXT("error4"),TEXT("error"),S_OK);
}
hr=m_cpRecoCtxt->CreateGrammar(GID_CMD_GR,&m_cpCmdGramma);
WCHAR wszXMLFile[20]=L"yuyinliebiao.xml";
MultiByteToWideChar(CP_ACP,0,(LPCSTR)"yuyinliebiao.xml",-1,wszXMLFile,256);
hr=m_cpCmdGramma->LoadCmdFromFile(wszXMLFile,SPLO_DYNAMIC);
if(FAILED(hr))
{
MessageBox(hwnd,TEXT("error5"),TEXT("error"),S_OK);
}
b_initSR=TRUE;
//在开始识别时，激活语法进行识别
hr=m_cpCmdGramma->SetRuleState(NULL,NULL,SPRS_ACTIVE);
return 0;
}
case WM_RECOEVENT:
{
RECT rect;
GetClientRect(hwnd,&rect);
hdc=GetDC(hwnd);
USES_CONVERSION;
CSpEvent event;
while(event.GetFrom(m_cpRecoCtxt)==S_OK)
{
switch(event.eEventId)
{
case SPEI_RECOGNITION:
{
static const WCHAR wszUnrecognized[]=L"<Unrecognized>";
CSpDynamicString dstrText;
//取得识别结果
if(FAILED(event.RecoResult()->GetText(SP_GETWHOLEPHRASE,SP_GETWHOLEPHRASE,TRUE,&dstrText,NULL)))
{
dstrText=wszUnrecognized;
}
BSTR SRout;
dstrText.CopyToBSTR(&SRout);
char* lpszText2 = _com_util::ConvertBSTRToString(SRout);
if(b_Cmd_Grammar)
{
if (strstr("资源管理器",lpszText2)!=NULL)
{
system("C:\\");
DrawText(hdc,TEXT("资源管理器"),-1,&rect,DT_SINGLELINE|DT_CENTER|DT_VCENTER);
}
if (strstr("打开企鹅",lpszText2)!=NULL)
{
system("\"C:\\Program Files\\Tencent\\QQ\\QQProtect\\Bin\\QQProtect.exe\"");
DrawText(hdc,TEXT("打开企鹅"),-1,&rect,DT_SINGLELINE|DT_CENTER|DT_VCENTER);
}
if (strstr("关闭企鹅", lpszText2) != NULL)
{
system("taskkill /f /im QQ.exe");
DrawText(hdc, TEXT("关闭企鹅"), -1, &rect, DT_SINGLELINE | DT_CENTER | DT_VCENTER);
}
if (strstr("关机", lpszText2) != NULL)
{
system("shutdown -s -t 1200");
DrawText(hdc, TEXT("关机"), -1, &rect, DT_SINGLELINE | DT_CENTER | DT_VCENTER);
}
if (strstr("重启", lpszText2) != NULL)
{
system("shutdown -r -t 1200");
DrawText(hdc, TEXT("重启"), -1, &rect, DT_SINGLELINE | DT_CENTER | DT_VCENTER);
}
if (strstr("记事本", lpszText2) != NULL)
{
system("notepad");
DrawText(hdc, TEXT("记事本"), -1, &rect, DT_SINGLELINE | DT_CENTER | DT_VCENTER);
}
if (strstr("计算器", lpszText2) != NULL)
{
system("calc");
DrawText(hdc, TEXT("计算器"), -1, &rect, DT_SINGLELINE | DT_CENTER | DT_VCENTER);
}
if (strstr("画图板", lpszText2) != NULL)
{
system("mspaint");
DrawText(hdc, TEXT("画图板"), -1, &rect, DT_SINGLELINE | DT_CENTER | DT_VCENTER);
}
if (strstr("谭胜", lpszText2) != NULL)
{
DrawText(hdc, TEXT("这是一个猥琐男"), -1, &rect, DT_SINGLELINE | DT_CENTER | DT_VCENTER);
}
}
}
}
}
return TRUE;
}
case WM_PAINT:
hdc=BeginPaint(hwnd,&ps);
EndPaint(hwnd,&ps);
return 0;
case WM_DESTROY:
PostQuitMessage(0);
return 0;
}
return DefWindowProc(hwnd,message,wParam,lParam);
}
Const关键字
Const int *p; int const *p;
const *地址不可以修改
int *const p;
*const指向的数据不可修改
#include <stdio.h>
void main01()
{
int num = 10;
//const int data;
//data = 20;
const int data = 20;//const 修饰的变量，只能在初始化的时候进行赋值操作
getchar();
}
//const在*左侧，地址本身不可以修改，可以改变指针指向。只能读不能写
void main02()
{
int num = 10;
const int data = 20;
//const int *p;//等价于int const *p;
int const *p;
p = #
printf("%d\n", *p);
p = &data;
printf("%d\n", *p);
//*p = 30;//
getchar();
}
//const在*右侧，指向的数据不可修改
void main()
{
int num = 10;
const int data = 20;
int *const p = #//只能在初始化的时候，指定唯一的指向
//int *const p;
//p = #
printf("%d\n", *p);
//p = &data;
*p = 30;
printf("%d\n", *p);
getchar();
}
void main04()
{
int num = 10;
const int data = 20;
const int *const p = #
printf("%d\n", *p);
//*p = 30;
//p = &data;
getchar();
}
字符串应用
#define _CRT_SECURE_NO_WARNINGS //关闭安全检查
#include<stdio.h>
#include<stdlib.h>
#include<string.h>
#include <Windows.h>
void main1()
{
//char str[100] = "for /l %i in (1,1,5) do calc";
//char *p = "for /l %i in (1,1,5) do calc";
//str[0] = ' '; str是数组，存储的是字符串每一个字符
//*p = ' ';p是一个指针，存储字符串的地址
char str[100] = { 0 };
//printf("for /l %%i in (1,1,%d) do %s",5,"calc");
int num;
char op[30] = { 0 };
scanf("%d%s", &num, op);
sprintf(str, "for /l %%i in (1,1,%d) do %s", num, op);
system(str);
system("pause");
}
void main2()
{
char str[100] = { 0 };
char op[30] = { 0 };
scanf("%s", op);
sprintf(str, "taskkill /f /im %s", op);
system(str);
system("pause");
}
void main3()
{
system("tasklist");
for (int i = 0x0; i <= 0xf; i++)
{
char str[30] = { 0 };//存储指令
sprintf(str, "color %x%x", i,0xf-i);//打印指令
system(str);//变色
Sleep(500);
}
}
void main4()
{
char str[100] = "我有1000元";
int num;
sscanf(str, "我有%d元", &num);
printf("%d", num);
system("pause");
}
void main5()
{
//printf("%.6s\n", "1234.abcd");
char str[100] = "notepad8888";
char newstr[100] = "";
sprintf(newstr, "%.s", str);
system(newstr);
system("pause");
}
void main6()
{
char str1[100] = "note";
char str2[100] = "pad";
//system(str1 + str2);
char str3[100] = { 0 };
sprintf(str3, "%s%s", str1, str2);//字符串相加
system(str3);
}
void main7()
{
//printf("%.6s", "1234.abcd");
char str[100] = "notepad8888";
char newstr[100] = "";
sprintf(newstr, "%-10.7s", str);//10宽度，+宽度范围内右边对齐，-左边对齐，.7从左往右挖去7个字符
printf("[%s]", newstr);
system(newstr);
system("pause");
}
int mystrlen(char* str)
{
int i = 0;
for (char*p = str; *p != '\0'; p++)
{
i++;
}
return i;//实现字符串统计
}
int mystrlenA(char* str)
{
char *p = str;
int i = 0;
AAA: if (*p!='\0')
{
i++;
p++;
goto AAA;
}
return i;
}
int mystrlenB(char *str)
{
if (*str=='\0')
{
return 0;
}
else
{
return 1 + mystrlenB(++str);
}
}
void main8()
{
char str[100] = "china is good";
printf("%d", sizeof(str));//求数组缓冲区长度
printf("\n%d", mystrlen(str));//从开头第一个字符到\0字符
printf("\n%d", mystrlenA(str));//从开头第一个字符到\0字符
printf("\n%d", mystrlenB(str));//从开头第一个字符到\0字符
getchar();
}
void main9()
{
char str1[100] = "my name is yincheng";
char str2[30] = "chen";
char *p = strstr(str1, str2);
if (p == NULL)
{
printf("没有找到");
}
else
{
printf("找到%p,%c, %s", p, *p, p);
}
getchar();
}
内存分配以及处理海量数据
#include<stdio.h>
#include<stdlib.h>
// m, n生成一个数组，m行 n列
void main()
{
int *p =(int*) malloc(sizeof(int)* 40);//一维数组
for (int *px = p,i=0; px < p + 40; px++,i++)//
{
*px = i;//赋值
printf("%d,%p\n", *px, px);//指针循环
}
//int b[5][8];
printf("\n\n\n");
int(*pp)[8] = (int(*)[8]) p;//指针类型决定了访问的方式
for (int i = 0; i < 5; i++)
{
for (int j = 0; j < 8; j++)
{
//printf("%5d", pp[i][j]);//打印数据
printf("%5d", *(*(pp + i) + j));// pp[i][j]
}
printf("\n");
}
//a [4][2][5]
printf("\n\n\n");
int(*ppp)[2][5] = (int(*)[2][5])p;
for (int i = 0; i < 4; i++)
{
for (int j = 0; j < 2; j++)
{
for (int k = 0; k < 5; k++)
{
//printf("%5d", ppp[i][j][k]);//打印元素
printf("%5d", *(*(*(ppp + i) + j) + k));
}
printf("\n");
}
printf("\n\n\n");
}
system("pause");
}
#define _CRT_SECURE_NO_WARNINGS //关闭安全检查
#include<stdio.h>
#include<stdlib.h>
#include<string.h>
char **pp=NULL;//存储指针数组的地址
//13180807 *4 /1024/1024 50M
void initdatatomem(char *path)
{
pp = (char **)malloc(sizeof(char *)* 13180807);//分配指针数组
FILE *pf = fopen(path, "r");
if (pf == NULL)
{
printf("fail");
}
else
{
for (int i = 0; i < 13180807; i++)
{
char str[275] = {0};//读取字符串的缓冲区
fgets(str, 275, pf);//从文件中逐行读取字符串
int strlength = strlen(str) + 1;//获取要分配的字符串长度
char *px =(char *) malloc(sizeof(char)*strlength);//分配内存
strcpy(px, str);//拷贝字符串
px[strlength - 1] = '\0';//设定最后一个字符为'\0'
pp[i] = px;//存储字符串的首地址到指针数组
}
}
printf("载入内存OK\n");
}
void findstr(char *searchstr)
{
for (int i = 0; i < 13180807; i++)
{
//pp[i];//是一个指针
char *ptemp = strstr(pp[i], searchstr);//遍历所有的指针数组的地址，字符串查找
if (ptemp != NULL)
{
printf("\n%s", pp[i]);//打印字符串
}
}
}
int getfilesize(char *path)
{
FILE *pf;//文件指针
pf = fopen(path, "r");//读取的模式打开
if (pf == NULL)
{
return -1;//代表获取失败
}
else
{
fseek(pf, 0, SEEK_END);//到文件末尾
int num = ftell(pf);//文件开头到当前位置有多少个字节
fclose(pf);//关闭文件
return num;
}
}
int getn(char *path)
{
FILE *pf;//文件指针
pf = fopen(path, "r");//读取的模式打开
if (pf == NULL)
{
return -1;//代表获取失败
}
else
{
int i = 0;
while (!feof(pf))//是否到文件末尾
{
char str[275];
fgets(str, 275, pf);//读取一行
i++;//统计行数
}
fclose(pf);//关闭文件
return i;
}
}
void main()
{
/*char *path = "C:\\Users\\yincheng01\\Desktop\\old\\dangdangwang.txt";
int num = getfilesize(path);
printf("%d字节，%fK,%fM", num, num / 1024.0, num / 1024.0 / 1024.0);
printf("\n有%d行", getn(path));*/
char *path = "C:\\Users\\yincheng01\\Desktop\\old\\dangdangwang.txt";
initdatatomem(path);
while (1)
{
char searchstr[100] = { 0 };
scanf("%s", searchstr);
findstr(searchstr);
}
system("pause");
}
