象“［］”、“.”、“->”这类操作符前后不加空格

 1 #include <iostream>
 2 #include <process.h>
 3 #include<stdio.h>
 4 #include<conio.h>
 5 /* run this program using the console pauser or add your own getch, system("pause") or input loop */
 6 using namespace std;
 7 int main(int argc, char** argv) {
 8     //变量声明
 9     char ch;
10     FILE *fp1;
11 
12     //以写入方式打开d.dat文件 
13     if ((fp1=fopen("d.dat","w"))==NULL)    {
14        cout<<"\nCould not open the file."<<endl;
15        cout<<"Exiting program."<<endl;
16        exit(1);   //结束程序执行
17     }
18 
19     //循环从键盘上读取字符,写入"流"文件
20     cout<<"char:"<<endl;
21     cin>>ch; 
22     while (ch!=‘*‘) {
23         fputc(ch,fp1);   //将字符写到fp1指向的"流"文件中
24         cin>>ch; 
25     }
26     fclose(fp1);  //关闭文件
27 
28     // 以读方式打开d.dat文件
29     if ((fp1=fopen("d.dat","r"))==NULL) 
30     {
31        cout<<"\nCould not open the file."<<endl;
32        cout<<"Exiting program."<<endl;
33        exit(1);   //结束程序执行
34     }
35 
36     // 循环从"流"文件读取字符,并显示
37     while ((ch=fgetc(fp1))!=EOF)  
38           cout<<ch<<"  ";        
39     cout<<endl;
40     fclose(fp1); //关闭文件
41     return 0;
42 }