#include "stdafx.h"
C++ 截取字符串以及读取文件
精选 转载#include <iostream>
#include <string>
#include <vector>
#include <iterator>
#include <fstream>
using namespace std;
void StringSplit( const string & str, vector<string> & tokens, const string & delimiters)
{
// Skip delimiters at beginning.
string::size_type lastPos = str.find_first_not_of(delimiters, 0);
// Find first "non-delimiter".
string::size_type pos = str.find_first_of(delimiters, lastPos);
while (string::npos != pos || string::npos != lastPos)
{
// Found a token, add it to the vector.
tokens.push_back(str.substr(lastPos, pos - lastPos));
// Skip delimiters.
lastPos = str.find_first_not_of(delimiters, pos);
// Find next "non-delimiter"
pos = str.find_first_of(delimiters, lastPos);
}
}
void _readSeedServerFromConfigFile(const char* filePath, vector<string> & seedServerInfo)
{
ifstream infile(filePath);
if(!infile)
{
cout<< "the file don't exist" <<endl;
}
istream_iterator <string> it(infile);
istream_iterator <string> itend;
copy(it,itend,inserter(seedServerInfo,seedServerInfo.begin()));
cout << seedServerInfo.size() << endl;
for(vector <string> ::iterator a = seedServerInfo.begin();a <seedServerInfo.end();a++)
{
cout << (*a) << endl;
}
}
int main() {
char str[] = "1345678#aaaa#bbbb#20041210102345#aaaaaaaaC:'aaaa'dadfadfadsf#xzy#123";
vector<string> tokens;
string mystr(str);
string delimiter("#");
string tempstr;
StringSplit(mystr, tokens, delimiter);
vector<string>::iterator viter = tokens.begin();
for(; viter != tokens.end(); viter++)
{
tempstr = *viter;
cout << tempstr<< endl;
}
vector<string> seedServerInfo;
const char * filePath = "client.conf";
_readSeedServerFromConfigFile(filePath,seedServerInfo);
return 0;
}
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