1 // ifile_ofile_test.cpp : 定义控制台应用程序的入口点。 2 // 3 4 #include "stdafx.h" 5 6 #include <stdio.h> 7 #include <stdlib.h> 8 9 #include <iostream> 10 #include <fstream> 11 #include <string> 12 13 int move_data(const std::string _ifilename, const std::string _ofilename) 14 { 15 char cVal[8] = {0}; 16 std::string line; 17 try 18 { 19 std::ifstream ifile(_ifilename.c_str(),std::ios::in);//只读方式读取文件 20 std::ofstream ofile(_ofilename.c_str(), std::ios::out|std::ios::app);//输出到新文件中 21 22 if (ifile.fail()) 23 { 24 std::cout<<"Unable to init ifstream file"<<std::endl; 25 } 26 if (ofile.fail()) 27 { 28 std::cout<<"Unable to init ofstream file"<<std::endl; 29 } 30 else if (ifile.is_open()&&ofile.is_open()) 31 { 32 /*读数据*/ 33 while(getline(ifile, line)) 34 { 35 ofile << line<<std::endl; 36 } 37 ifile.close(); 38 ofile.close(); 39 return 0; 40 } 41 else 42 { 43 std::cout<<"error"<<std::endl; 44 } 45 } 46 catch (std::exception& exc) 47 { 48 std::cout<<"error:"<<exc.what()<<std::endl; 49 } 50 51 return 0; 52 } 53 int _tmain(int argc, _TCHAR* argv[]) 54 { 55 std::string ifilename="http://www.cnblogs.com/infile.txt"; 56 std::string ofilename="http://www.cnblogs.com/outfile.txt"; 57 if(move_data(ifilename,ofilename)==0) 58 { 59 std::cout<<"迁移数据成功"<<std::endl; 60 } 61 return 0; 62 }
