CString字符串分割

网上copy的字符串分割

#include <iostream>
#include <cstring>
#include <atlcomtime.h>
using namespace std;

//最后一个参数返回的是子字符串的数量
CString * SplitString(CString str, char split, int& iSubStrs);


int _tmain(int argc, TCHAR* argv[], TCHAR* envp[])
{
	int nRetCode = 0;

	// initialize MFC and print and error on failur

	CString str = "sssdf sfds jieuri lj122 98098"; 
	//	CString str = "sfsfsf";
	CString* pStr;
	int iSubStrs;
	pStr = SplitString(str, ' ', iSubStrs);
	//如果子字符串的数量为1
	if (iSubStrs == 1)
	{
		//Convert CString to char
		char* pCh = (LPSTR)(LPCTSTR)str;
		printf("%s\n", pCh);		
	}
	else
	{	
		//输出所有子字符串
		for (int i = 0; i < iSubStrs; i++)
		{
			//Convert CString to char
			char* pCh = (LPSTR)(LPCTSTR)pStr[i];
			printf("%s\n", pCh);
		}
		delete []pStr;
	}

	system("pause");

	return nRetCode;
}


CString * SplitString(CString str, char split, int& iSubStrs)
{
	int iPos = 0; //分割符位置
	int iNums = 0; //分割符的总数
	CString strTemp = str;
	CString strRight;
	//先计算子字符串的数量
	while (iPos != -1)
	{
		iPos = strTemp.Find(split);
		if (iPos == -1)
		{
			break;
		}
		strRight = strTemp.Mid(iPos + 1, str.GetLength());
		strTemp = strRight;
		iNums++;
	}
	if (iNums == 0) //没有找到分割符
	{
		//子字符串数就是字符串本身
		iSubStrs = 1; 
		return NULL;
	}
	//子字符串数组
	iSubStrs = iNums + 1; //子串的数量 = 分割符数量 + 1
	CString* pStrSplit;
	pStrSplit = new CString[iSubStrs];
	strTemp = str;
	CString strLeft;
	for (int i = 0; i < iNums; i++)
	{
		iPos = strTemp.Find(split);
		//左子串
		strLeft = strTemp.Left(iPos);
		//右子串
		strRight = strTemp.Mid(iPos + 1, strTemp.GetLength());
		strTemp = strRight;
		pStrSplit[i] = strLeft;
	}
	pStrSplit[iNums] = strTemp;
	return pStrSplit;
}