大家帮忙改改这个程序 啊！

[isunlight001]

/* 该系统主要处理通讯录的相关信息。
2） 通讯录信息主要包括：姓名、班级、手机、家庭电话、电子邮件、通讯录地址、邮编等内容。
3） 完成以下的操作：实现通讯录信息的添加、修改、删除和查询。
提示：
1）建立班级类、通讯录类
2）班级、通讯录信息的初始化
3）班级、通讯录信息的添加、修改、删除、查找
4）班级、通讯录信息的输出
5）将通讯录信息保存为文件*/
#include<iostream>
#include<string>

#include<fstream>
using namespace std
class bnaji{
public:
banji(){
banj="jike071";
name="xiaoli";
tel="13892889928";
homephone="0531-32143432";
email="[e-mail]";
address="jinan";
postcode="2500001";
}
void banj();

void luru();
void show();



private:
char name[20];
char banj[20];
char tel[20];
char homephone[20];
char email[20];
char address[20];
char postcode[20];

}
void banji::luru{
cout<<"输入班级·姓名·手机·家庭电话·电子邮件·通讯录地址·邮编"<<endl;
cin>>banj>>name>>tel>>homephone>email>>address>>postcode;
}
void banji::show(){
cout<<"输入班级·"<<banj<<"姓名·"<<name<<"手机·"<<tel<<"家庭电话·"<<homephone<<"电子邮件·"<<email<<"通讯录地址·"<<address<<"邮编"<<postcode"<<endl;

}


class tongxunlu
{
public:
void add();
void modify();
void del();
void seek();
void out();
private:
char name[20];
char banj[20];
char tel[20];
char homephone[20];
char email[20];
char address[20];
char postcode[20];


}
void tongxunlu::add(){
cout<<"please input banji"<<endl;
cin>>banj;
cout<<"please input name"<<endl;
cin>>name;
cout<<"please input shouji"<<endl;
cin>>tel;
cout<<"please input homephone"<<endl;
cin>>homephone;
cout<<"please input email"<<endl;
cin>>email;
cout<<"please input address"<<endl;
cin>>address;
cout<<"please input postcode"<<endl;
cin>>postcode;
}
void tongxunlu::modify(){
cout<<"please input class"<<endl;
cin>>banj;
cout<<"please input name"<<endl;
cin>>name;
}
void tongxunlu::del(){
cout<<"please input class"<<endl;
cin>>banj;
cout<<"please input name"<<endl;
cin>>name;



}
void tongxunlu::seek(){
cout<<"please input class"<<endl;
cin>>banj;
cout<<"please input name"<<endl;
cin>>name;
}
void tongxunlu::out(){

}




void main(void)
{
int n;

cout<<"-----------------通讯录管理系统-----------------\n";
cout<<"功能菜单:\n";
cout<<"浏览通讯信息请选择-----------------------1\n";
cout<<"添加通讯信息请选择-----------------------2\n";
cout<<"删除某条通讯信息请选择-------------------3\n";
cout<<"按姓名查询通讯信息请选择-----------------4\n";
cout<<"在指定位置插入通讯信息请选择-------------5\n";
cout<<"编辑通信信息请选择-----------------------6\n";
cout<<"退出请选择-------------------------------7\n";
cout<<"(注：最大储存量为100人）";
cout<<"请输入你要选择的项n"<<endl;
for(;;)
{
cin>>n;
if(n>=1&&n<=6)
switch(n)
{
case 1:show();break;
case 2:add();break;
case 3:del();break;
case 4:modify();break;
case 5:seek();break;
case 6:out();
default: return;
}
else
cout<<"error"<<endl;
cout<<endl;
}
cout<<"谢谢使用！！"
cout<<"byebye"<<endl;
}

[kingteng]

#include <iostream> 
#include <string> 

#include <fstream> 
using namespace std ;//这里
class banji{ //这里
public: 
banji(){ 
	char *temp = "jike071";
strcpy(banjj,temp);//banjj="jike071"; 要用strcpy
temp = "xiaoli";
strcpy(name,temp);//name="xiaoli"; 
temp = "13892889928"; //tel="13892889928"; 
strcpy(tel,temp);
temp = "0531-32143432"; 
strcpy(homephone,temp);//homephone="0531-32143432"; 
temp = "[e-mail]"; 
strcpy(email,temp);//email="[e-mail]"; 
temp = "jinan"; 
strcpy(address,temp);//address="jinan"; 
temp = "250001";
strcpy(postcode,temp);//postcode="2500001"; 
} 
void banj(); 

    void  luru(); 
    void show(); 



private: 
char *name;//[20]; 
char *banjj;//[20]; //重复定义了，上面有一个函数以下所有非函数的banji改成banjj
char *tel;//[20]; 
char *homephone;//[20]; 
char *email;//[20]; 
char *address;//[20]; 
char *postcode;//[20]; 

} ;//这里
void banji::luru(){ //这里
cout <<"输入班级·姓名·手机·家庭电话·电子邮件·通讯录地址·邮编" <<endl; 
cin>>banjj>>name>>tel>>homephone>>email>>address>>postcode; 
} 
void banji::show(){ 
cout <<"输入班级·" <<banjj <<"姓名·" <<name <<"手机·" <<tel <<"家庭电话·" <<homephone <<"电子邮件·"<<email<<"通讯录地址·" <<address <<"邮编" <<postcode/*zheli*/ <<endl; 

} 


class tongxunlu 
{ 
public: 
    void add(); 
void  modify(); 
void  del(); 
void  seek(); 
void  out(); 
private: 
char *name;//以下 
char *banjj; 
char *tel; 
char *homephone; 
char *email; 
char *address; 
char *postcode; 


} ;//这里
void tongxunlu::add(){ 
cout <<"please input banji" <<endl; 
cin>>banjj; 
cout <<"please input name" <<endl; 
cin>>name; 
cout <<"please input shouji" <<endl; 
cin>>tel; 
    cout <<"please input homephone" <<endl; 
cin>>homephone; 
cout <<"please input email" <<endl; 
cin>>email; 
cout <<"please input address" <<endl; 
cin>>address; 
cout <<"please input postcode" <<endl; 
    cin>>postcode; 
} 
void  tongxunlu::modify(){ 
cout <<"please input class" <<endl; 
cin>>banjj; 
cout <<"please input name" <<endl; 
cin>>name; 
} 
void  tongxunlu::del(){ 
cout <<"please input class" <<endl; 
cin>>banjj; 
cout <<"please input name" <<endl; 
cin>>name; 


} 
void  tongxunlu::seek(){ 
cout <<"please input class" <<endl; 
cin>>banjj; 
cout <<"please input name" <<endl; 
cin>>name; 
} 
void tongxunlu::out(){ 

} 


void main(void) 
{ 
int n; 

  cout <<"-----------------通讯录管理系统-----------------\n"; 
      cout <<"功能菜单:\n"; 
  cout <<"浏览通讯信息请选择-----------------------1\n"; 
      cout <<"添加通讯信息请选择-----------------------2\n"; 
      cout <<"删除某条通讯信息请选择-------------------3\n"; 
      cout <<"按姓名查询通讯信息请选择-----------------4\n"; 
      cout <<"在指定位置插入通讯信息请选择-------------5\n"; 
      cout <<"编辑通信信息请选择-----------------------6\n"; 
      cout <<"退出请选择-------------------------------7\n"; 
      cout <<"(注：最大储存量为100人）"; 
  cout <<"请输入你要选择的项n" <<endl; 
  for(;;) 
  { 
  cin>>n; 
  if(n>=1&&n <=6) 
  switch(n) 
  { 
  case 1:show();break; //你都没有对象怎么调用成员函数
  case 2:add();break; 
  case 3:del();break; 
  case 4:modify();break; 
  case 5:seek();break; 
  case 6:out(); break;
  default: return; 
  } 
  else 
  cout <<"error" <<endl; 
  cout <<endl; 
  } 
  cout <<"谢谢使用！！" ;//分号
  cout <<"byebye" <<endl; 
}

lz啊，你自己调试下啊

[kingteng]

#include <iostream> 
#include <string> 

#include <fstream> 
using namespace std ;//这里
class banji{ //这里
public: 
	banji()
		{ 
		    banjj= "jike071";
		
			name = "xiaoli";
		
			tel = "13892889928"; 
			
			homephone = "0531-32143432"; 
		
			email = "[e-mail]"; 
			 
			address = "jinan"; 
			
			postcode = "250001";
			
		} 
	void banj(); 
	void  luru(); 
    void show(); 

private: 
	string name;//[20]; 
	string banjj;//[20]; //重复定义了，上面有一个函数以下所有非函数的banji改成banjj
	string tel;//[20]; 
	string homephone;//[20]; 
	string email;//[20]; 
	string address;//[20]; 
	string postcode;//[20]; 

} ;//这里
void banji::luru(){ //这里
	cout <<"输入班级·姓名·手机·家庭电话·电子邮件·通讯录地址·邮编" <<endl; 
	cin>>banjj>>name>>tel>>homephone>>email>>address>>postcode; 
} 
void banji::show(){ 
	cout <<"输入班级\n" <<banjj <<"姓名\n" <<name <<"手机\n" <<tel <<"家庭电话\n" 
		<<homephone <<"电子邮件\n"<<email<<"通讯录地址\n" <<address <<"邮编\n" <<postcode/*zheli*/ <<endl; 

} 


class tongxunlu 
{ 
public: 
    void add(); 
	void  modify(); 
	void  del(); 
	void  seek(); 
	void  out(); 
private: 
	string name;//以下 
	string banjj; 
    string tel; 
	string homephone; 
	string email; 
	string address; 
	string postcode; 
} ;//这里
void tongxunlu::add(){ 
	cout <<"please input banji" <<endl; 
	cin>>banjj; 
	cout <<"please input name" <<endl; 
	cin>>name; 
	cout <<"please input shouji" <<endl; 
	cin>>tel; 
    cout <<"please input homephone" <<endl; 
	cin>>homephone; 
	cout <<"please input email" <<endl; 
	cin>>email; 
	cout <<"please input address" <<endl; 
	cin>>address; 
	cout <<"please input postcode" <<endl; 
    cin>>postcode; 
} 
void  tongxunlu::modify(){ 
	cout <<"please input class" <<endl; 
	cin>>banjj; 
	cout <<"please input name" <<endl; 
	cin>>name; 
} 
void  tongxunlu::del(){ 
	cout <<"please input class" <<endl; 
	cin>>banjj; 
	cout <<"please input name" <<endl; 
	cin>>name; 
} 
void  tongxunlu::seek(){ 
	cout <<"please input class" <<endl; 
	cin>>banjj; 
	cout <<"please input name" <<endl; 
	cin>>name; 
} 
void tongxunlu::out(){ 

} 


void main(void) 
{ 
	int n = 0;	
	banji a;
	tongxunlu b;
	cout <<"-----------------通讯录管理系统-----------------\n"; 
    cout <<"功能菜单:\n"; 
	cout <<"浏览通讯信息请选择-----------------------1\n"; 
    cout <<"添加通讯信息请选择-----------------------2\n"; 
    cout <<"删除某条通讯信息请选择-------------------3\n"; 
    cout <<"按姓名查询通讯信息请选择-----------------4\n"; 
    cout <<"在指定位置插入通讯信息请选择-------------5\n"; 
    cout <<"编辑通信信息请选择-----------------------6\n"; 
    cout <<"退出请选择-------------------------------7\n"; 
    cout <<"(注：最大储存量为100人）"; 
	cout <<"请输入你要选择的项n" <<endl; 
	for(;;) 
		{ 
			
			cin>>n; 
			if(n>=1&&n <=6) {
			switch(n) 
				{ 
					case 1:a.show();break; 
					case 2:b.add();break; 
					case 3:b.del();break; 
					case 4:b.modify();break; 
					case 5:b.seek();break; 
					case 6:b.out(); break;
					default: break; 
				}
			}
			else {
					cout <<"error" <<endl; 
					cout <<endl; 
			}
			break;//这里
		} 
	cout <<"谢谢使用！！" ;//分号
	cout <<"byebye" <<endl; 
}

给点分吧lz