C++->10.3.6.设有两个按升序排列的二进制文件a和b，将他们合并成一个新的升序二进制数据文件file。

#include<iostream.h>

#include<stdlib.h>

#include<string.h>

#include<fstream.h>

struct staff{

long staNum;

char staName[500];

long phoNum;

long num;

char staAddr[1000];

}staf,staf1;

void main(){

fstream fstr1,fstr2,fstr,fstrt;

char i,fn1[80],fn2[80],fn[80],fnt[80],*p1,*p2,*p,*pt,str[1000];

//staff staf1;

int a,b;

p1=&fn1[0]; p2=&fn2[0]; p=&fn[0]; pt=&fnt[0];

cout<<"Please input the file name of fn1:\n";

//cin>>p1;

//fstr1.open(p1,ios::binary|ios::in|ios::out);     //1

fstr1.open("E:\\新建文件夹\\新建文件夹\\a.bat",ios::binary|ios::in|ios::out);

if(!p1){ cerr<<"Can't open the file fn1.\n"; return; }

fstr1.seekp(0,ios::end);

cout<<"Please input the number i(Y|y).\n";

cin>>i;

while(i=='Y'||i=='y'){

cout<<"Please input the number staf.\n";

cin>>staf.staNum>>staf.staName>>staf.phoNum>>staf.num>>staf.staAddr;

fstr1.write((char *) &staf,sizeof(staf));    //文件名对象.write函数里的buffer类型只能是(char *)，不能是其他类型fstr1.write((int *) &a,sizeof(a));

cout<<"Please input the number i.(Y|y)\n";

cin>>i;  }

cout<<"Please input the file name of fn2:\n";

//cin>>p2;

//fstr2.open(p2,ios::binary|ios::in|ios::out);   //2

fstr2.open("E:\\新建文件夹\\新建文件夹\\b.bat",ios::binary|ios::in|ios::out);

if(!p2){ cerr<<"Can't open the file fn2.\n"; return; }

fstr2.seekp(0,ios::end);

cout<<"Please input the number i.(Y|y)\n";

cin>>i;

while(i=='Y'||i=='y'){

cout<<"Please input the number staf1.\n";

cin>>staf1.staNum>>staf1.staName>>staf1.phoNum>>staf1.num>>staf1.staAddr;

fstr2.write((char *) &staf1,sizeof(staf1));

cout<<"Please input the number i(Y|y).\n"; cin>>i;  }

cout<<"Please input the file name of fn.\n";    //3

//cin>>p;

//fstr.open(p,ios::binary|ios::in|ios::out);

fstr.open("E:\\新建文件夹\\新建文件夹\\file.bat",ios::binary|ios::in|ios::out);

if(!p){ cerr<<"Can't open the file of fn.\n"; return; }

fstr1.seekp(0,ios::end);

long pEnd1=fstr1.tellp();

fstr2.seekp(0,ios::end);

long pEnd2=fstr2.tellp();

fstr1.seekp(0,ios::beg);

fstr2.seekp(0,ios::beg);

while(fstr1.tellp()!=pEnd1&&fstr2.tellp()!=pEnd2){

fstr1.read((char *) &staf,sizeof(staf));

fstr2.read((char *) &staf1,sizeof(staf1));

if(staf.staNum>>staf1.staNum) fstr.write((char *) &staf,sizeof(staf));

else fstr.write((char *) &staf1,sizeof(staf1));

//fstr<<staf1.staNum<<ends<<staf1.staName<<ends<<staf1.phoNum<<ends<<staf1.num<<staf1.staAddr;     }

while(fstr1.tellp()!=pEnd1) fstr.write((char *) &staf,sizeof(staf));

while(fstr2.tellp()!=pEnd2) fstr.write((char *) &staf1,sizeof(staf1));

cout<<"Please input the file name of fn4.\n";    //4

//cin>>pt;

//fstrt.open(pt,ios::in|ios::out);

fstrt.open("E:\\新建文件夹\\新建文件夹\\l.txt",ios::in|ios::out);

if(!pt){ cerr<<"Can't open the file of fn.\n"; return; }

fstr.seekg(0,ios::end);

long pEnd3=fstr.tellg();

fstr.seekg(0,ios::beg);

while(fstr.tellg()!=pEnd3){

fstr.read((char *) &staf,sizeof(staf));

fstrt<<staf.staNum<<ends<<staf.staName<<ends<<staf.phoNum<<ends<<staf.num<<staf.staAddr<<endl;

cout<<staf.staNum<<ends<<staf.staName<<ends<<staf.phoNum<<ends<<staf.num<<staf.staAddr<<endl;

} cout<<endl; fstrt.close();

cout<<"Please input the file name of fn4.\n";    //5

//cin>>pt;

//fstrt.open(pt,ios::in|ios::out);

fstrt.open("E:\\新建文件夹\\新建文件夹\\l.txt",ios::in|ios::out);

if(!pt){ cerr<<"Can't open the file of fn.\n"; return; }

//while(fstrt.tellg()!=ptEnd){ fstrt.getline(fn,800);

//cout<<staf.staNum<<ends<<staf.staName<<ends<<staf.phoNum<<ends<<staf.num<<staf.staAddr<<endl; } //二进制的判断方法

do{ fstrt.getline(str,1000); cout<<str<<endl;  }while(!fstrt.eof());

fstr1.close(); fstr2.close(); fstr.close(); fstrt.close();

} */