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queen_sky 2016-06-08
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THANKS
小灸舞 2016-06-08
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你类里面的string Level(int score)这个函数最后少了一个大括号
queen_sky 2016-06-08
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#include<iostream>
#include<fstream>
using namespace std;
class Student{
public:
int number;
char name[10];
int score;
string level;
Student(int number,char name[],int score){
this->number=number;
strcpy(this->name,name);
this->score=score;
}
string Level(int score){
if(0<=score&&score<=100){
switch(score/10){
case 10:return "优";break;
case 9:return "优";break;
case 8:return "良好";break;
case 7:return "中";break;
case 6:return "及格";break;
default:return "不及格";break;
}
}
level=Level(score);
char show(){
cout<<number<<name<<score<<endl;
}
};
/*istream & operator>>(istream & in,Student & stu){
in>>stu.number;
in>>stu.name;
in>>stu.score;
in>>stu.level;
return in;
}
ostream & operator<<(ostream & out,const Student & stu){
out<<stu.number;
out<<stu.name;
out<<stu.score;
out<<stu.level;
return out;
}*/
int main(){
string level;
Student student(3,"134",4);
fstream f;
f.open("file.txt",ios::out);
cout<<"输入学生个数:"<<endl;
int n;
cin>>n;
if(f.fail()) {
cout << "打开文件失败！" << endl;
exit(1);
}
cout<<"输入学生信息:"<<endl;
for(int i=0;i<n;i++){
cin>>student.number>>student.name>>student.score;
f<<student.number<<student.name<<student.score<<student.level;
}
f.close();
if(f.fail()) {
cout << "打开文件失败！" << endl;
exit(2);
}
f.open("file.txt",ios::in);
Student stu(1,"2",0);
f>>stu;
cout<<stu<<endl;
f<<stu.number<<stu.name<<stu.score<<stu.level;
f.close();
system("PAUSE");
return 0;
}
小灸舞 2016-06-08
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上代码。
MSDN里对C1004的描述：https://msdn.microsoft.com/en-us/library/4exw7xyc.aspx
MSDN里对C1004的描述：https://msdn.microsoft.com/en-us/library/4exw7xyc.aspx
