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#include <iostream>
#include <fstream>
using namespace std;
void testByChar()
{
    fstream testByCharFile;
    char c;
    testByCharFile.open("inFile.txt",ios::in);
    while(!testByCharFile.eof())
    {
        testByCharFile>>c;
        cout<<c;
    }
    testByCharFile.close();
}
void testByLine()
{
    char buffer[256];
    fstream outFile;
    outFile.open("inFile.txt",ios::in);
    cout<<"inFile.txt"<<"--- all file is as follows:---"<<endl;
    while(!outFile.eof())
    {
        outFile.getline(buffer,256,'\n');//getline(char *,int,char) 表示該行字元達到256個或遇到換行就結束
        cout<<buffer<<endl;
    }
    outFile.close();
}
int main()
{
   cout<<endl<<"逐個字元的讀取檔案：testByChar() "<<endl<<endl;
   testByChar();
   cout<<endl<<"將檔案每行內容儲存到字串中，再輸出字串 ：testByLine()"<<endl<<endl;
   testByLine();
}
/**********************
執行結果

逐個字元的讀取檔案：testByChar()

1a2b3c4d5e6f7g8h9i10j11k12l13m14n15o16p17q18r19s20t21u22v23w24x25y26zz
將檔案每行內容儲存到字串中，再輸出字串 ：testByLine()

inFile.txt--- all file is as follows:---
 1      a
 2      b
 3      c
 4      d
 5      e
 6      f
 7      g
 8      h
 9      i
10      j
11      k
12      l
13      m
14      n
15      o
16      p
17      q
18      r
19      s
20      t
21      u
22      v
23      w
24      x
25      y
26      z


Process returned 0 (0x0)   execution time : 0.484 s
Press any key to continue.
*************************************************/