删除String中的空格

#include "stdafx.h"

void RemoveStringSpaces(char* pStr);

int _tmain(int argc, _TCHAR* argv[])
{
    return 0;
}

void RemoveStringSpaces(char* pStr)
{
    int i = 0;                             // ‘Copy to‘ index to string
    int j = 0;                             // ‘Copy from‘ index to string

    while ((*(pStr + i) = *(pStr + j++)) != ‘\0‘)  // Loop while character
        // copied is not \0
        if (*(pStr + i) != ‘ ‘)                    // Increment i as long as
            i++;                                  // character is not a space
    return;
}

#include "stdafx.h"
#include <algorithm>
#include <functional>
#include <string>
using namespace std;

void RemoveStringSpaces(string& str);

int _tmain(int argc, _TCHAR* argv[])
{
    return 0;
}

void RemoveStringSpaces(string& str)
{
    str.erase(remove(str.begin(), str.end(), ‘ ‘), str.end());
    //str.erase(remove_if(str.begin(), str.end(), bind2nd(equal_to<char>(), ‘ ‘)), str.end()); 效果与remove一样
}

#include "stdafx.h"
#include <string>
#include <cctype>
using namespace std;

void RemoveStringSpaces(string& str);

int _tmain(int argc, _TCHAR* argv[])
{
    return 0;
}

void RemoveStringSpaces(string& str)
{
    for (size_t index = 0; index != str.size();)
    {
        if (isspace(str[index])) //如果str[index]为空白，则为Ture
            str.erase(index, 1);
        else
            ++index;
    }
}