f1502.cpp
资源名称:c.rar [点击查看]
上传用户:puke2000
上传日期:2022-07-25
资源大小:912k
文件大小:1k
源码类别:
C#编程
开发平台:
Visual C++
- //=====================================
- // f1502.cpp
- // error proccess after error
- //=====================================
- #include<fstream>
- #include<iostream>
- using namespace std;
- //-------------------------------------
- void procFileName(string s);
- bool procOpenMode(string s);
- bool openIn(string s);
- bool openOut(string s);
- //-------------------------------------
- int main(){
- procFileName("iabc");
- procFileName("oabc");
- }//------------------------------------
- void procFileName(string s){
- for(char c='0'; c<='9'; c++){
- string t = s + c + ".txt";
- if(!procOpenMode(t)){
- cout<<"error opening "<<t<<"n";
- return;
- }
- }
- }//------------------------------------
- bool procOpenMode(string s){
- if(s[0]=='i' && openIn(s) || s[0]=='o' && openOut(s))
- return true;
- return false;
- }//------------------------------------
- bool openIn(string s){
- ifstream in(s.c_str());
- if(!in) return false;
- for(string line; getline(in, line); cout<<line<<"n");
- return true;
- }//------------------------------------
- bool openOut(string s){
- fstream out(s.c_str(), ios::in|ios::out|ios::ate);
- if(!out) return false;
- cout<<s+" is here.n";
- out<<s+" is ok.n";
- return true;
- }//====================================