windows C/C++ 实现ini文件读写

ini格式稍微来说比较简单为：
[Tiatle]
字段1=内容
字段2=内容

内容为纯数字时，可以使用整形（int）方式读取，如果是字符串则需使用字符串（string）读取，部分代码需要用到Windows API 所以需加上windows.h头文件

使用多字节编码代码如下：

1、获取程序路径：

//获取程序路径 char* GetAppPath(char *AppPath,int nSize) { 	int i; 	memset(AppPath,0,nSize); #ifdef UNICODE 	GetModuleFileNameA(NULL,AppPath,nSize); #else 	GetModuleFileName(NULL,AppPath,nSize); #endif 	for (i = strlen(AppPath) + 1; i >= 0; i --) 	{ 		if (AppPath[i] == '\\') 		{ 			break; 		} 	} 	AppPath[i] = 0; 	return AppPath; } 

2、读取和写入ini配置文件：

#include <iostream> #include <windows.h>  int main() { 	char app[1024] = {0}; 	GetAppPath(app,sizeof(app)); 	char filepath[1024] = {0}; 	sprintf_s(filepath,"%s\\ConfigDevice.ini",app);  	char buf[1024] = ""; 	char szTitle[] = "Title"; 		//读取整形数据 #ifdef UNICODE 		int Number = GetPrivateProfileIntA(szTitle,"DeviceIndex",0,filepath); 		//读取字符串数据 		GetPrivateProfileStringA(szTitle,"DeviceName","TestData",buf,sizeof(buf),filepath); #else 		int Number = GetPrivateProfileInt(szTitle,"DeviceIndex",0,filepath); 		GetPrivateProfileString(szTitle,"DeviceName","TestData",buf,sizeof(buf),filepath); #endif   		//写入整形数据 		char szTmp[64]; 		sprintf(szTmp,"%d",Number); #ifdef UNICODE 		WritePrivateProfileStringA(szTitle,"DeviceIndex",szTmp,filepath); 		//直接写入字符串数据 		WritePrivateProfileStringA(szTitle,"DeviceName","WriteData2",filepath); #else 		WritePrivateProfileString(szTitle,"DeviceIndex",szTmp,filepath); 		WritePrivateProfileString(szTitle,"DeviceName","WriteData",filepath); #endif } 

程序运行结果：
在运行目录下生成ConfigDevice.ini文件，内容是程序写入的

使用Unicode字符编码

#include <iostream> #include <windows.h>   LPWSTR toUnicode(const char* _str) { 	LPWSTR _ret; 	int _len = strlen(_str) * 2;  	_ret = new WCHAR[_len];  	MultiByteToWideChar(CP_ACP, 0, _str, -1, _ret, _len);  	return _ret; }  //获取程序路径 wchar_t* GetAppPath(wchar_t *AppPath,int nSize) { 	int i; 	memset(AppPath,0,nSize); 	GetModuleFileName(NULL,AppPath,nSize); 	for (i = wcslen(AppPath) + 1; i >= 0; i --) 	{ 		if (AppPath[i] == '\\') 		{ 			break; 		} 	} 	AppPath[i] = 0; 	return AppPath; }  int main() { 	wchar_t app[1024] = {0}; 	GetAppPath(app,sizeof(app)); 	wchar_t filepath[512] = {0}; 	wsprintf(filepath,toUnicode("%s\\ConfigDevice.ini"),app);  	wchar_t buf[2048] = {0}; 	wchar_t szTitle[10] = {0}; 	//memcpy(szTitle,toUnicode("Title"),sizeof("Title")); 	wcsncpy_s(szTitle,toUnicode("Title"),sizeof("Title")); 	//读取整形数据 	int Number = GetPrivateProfileInt(szTitle,toUnicode("DeviceIndex"),0,filepath); 	//读取字符串数据 	GetPrivateProfileString(szTitle,toUnicode("DeviceName"),toUnicode(""),buf,sizeof(buf),filepath);  	//写入整形数据 	char szTmp[64]; 	sprintf(szTmp,"%d",Number); 	WritePrivateProfileString(szTitle,toUnicode("DeviceIndex"),toUnicode(szTmp),filepath); 	//直接写入字符串数据 	WritePrivateProfileString(szTitle,toUnicode("DeviceName"),toUnicode("WriteData"),filepath);  	wprintf(toUnicode("%s\n"),buf); }