用stl将TXT文件中的文字提取出来,然后利用再把这些文字按照词频排序,
最后把它们输出到另外一个TXT文件中。
自己完成了一部分,希望有个大神能看懂我的思路,帮忙完成一下程序。
#include <iostream>
#include <string>
#include <vector>
#include <algorithm>
using namespace std;
typedef struct T_WORD
{
string strWord;
int freq;
}MyWord;
class Fileprocess
{
private:
vector<MyWord>m_vector;
string strfilesrc;
string strfiledst;
public:
Fileprocess(string src, string dst);
void P();
void PushVector(string str);
void WriteF();
void Split(char*p, char*pword);
};
#include "Fileprocess.h"
Fileprocess::Fileprocess(string src, string dst)
{
strfilesrc = src;
strfiledst = dst;
}
void Fileprocess::P()
{
FILE*fp = fopen(strfilesrc.c_str(), "r");
char szbuf[50] = { '\0' };
char szbuf1[50] = { '\0' };
string str;
while (!feof(fp))
{
memset(szbuf, '/0', 50);
memset(szbuf1, '/0', 50);
//fscanf(fp, "%s", szbuf);
cout << szbuf;
Split(szbuf, szbuf1);
str = szbuf1;
PushVector(str);
}
fclose(fp);
}
void Fileprocess::PushVector(string str)
{
bool flag = false;
vector<MyWord>::iterator iter;
MyWord myword;
for (iter = m_vector.begin(); iter != m_vector.end(); iter++)
{
myword = (MyWord)*iter;
if (myword.strWord == str)
{
myword.freq++;
*iter = (MyWord)myword;
flag = true;
}
}
if (flag == false)
{
myword.strWord = str;
myword.freq = 1;
m_vector.push_back(myword);
}
}
void Fileprocess::WriteF()
{
FILE*fw = fopen(strfiledst.c_str(), "w");
vector<MyWord>::iterator iter;
MyWord myword;
for (iter = m_vector.begin(); iter != m_vector.end(); iter++)
{
myword = (MyWord)*iter;
fprintf(fw, "%s &d\n", myword.strWord.c_str(), myword.freq);
}
fclose(fw);
}
void Fileprocess::Split(char*p, char*pword)
{
char *pstr;
char q = NULL;
q = strchr(pstr, '/');
if (q == NULL)
return;
pstr = p;
*p = '\0';
strcpy(pword, pstr);
}
#include "Fileprocess.h"
#include <iostream>
using namespace std;
int main()
{
string filesrc = "d:\\vs2017\\199802.txt";
string filedst = "d:\\vs2017\\result.txt";
Fileprocess fileprocess(filesrc, filedst);
fileprocess.P();
fileprocess.WriteF();
}