C++ 读写文件安全又简洁的简单实例

时间:2022-10-31 10:52:44

C++ 读写文件安全又简洁的简单实例

实例代码:

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#include <string>
#include <iostream>
#include <fstream>
 
using namespace std;
 
int get_file_content(string sFileName, string& sFileContent);
 
int main(int argc, char* argv[])
{
  string sFileContent;
  get_file_content("./test", sFileContent);
  cout << sFileContent << endl;
  return 0;
 
int get_file_content(string sFileName, string& sFileContent)
{
  ifstream ifs (sFileName.c_str(), ifstream::in);
 
  sFileContent.clear();
  char c;
    while (ifs.get(c)){
    sFileContent.append(1, c);
  }
 
  ifs.close();
 
  return 0;
}
 
int set_file_content(string sFileName, string& sFileContent)
{
  ofstream ofs(sFileName.c_str(), ofstream::binary);
  size_t nCount = sFileContent.size();
  ofs.write (sFileContent.c_str(), nCount);
  
  ofs.close();
 
  return nCount;
}

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原文链接:http://blog.csdn.net/stephen_yin/article/details/6732358