75 lines
1.7 KiB
C++
75 lines
1.7 KiB
C++
/* 读写文件综合题.cpp */
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#include <cstring>
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#include <fstream>
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#include <iostream>
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#include <vector>
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using namespace std;
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class Person {
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public:
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Person() {}
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Person(char *name, char *id, int math, int chinese, int english) {
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strcpy(Name, name);
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strcpy(Id, id);
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Math = math;
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Chinese = chinese;
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English = english;
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Sum = Math + Chinese + English;
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}
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void display() {
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cout << Name << "\t" << Id << "\t" << Math << "\t" << Chinese << "\t"
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<< English << "\t" << Sum << endl;
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}
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private:
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char Name[20];
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char Id[20];
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int Math;
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int Chinese;
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int English;
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int Sum;
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};
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int main(int argc, char const *argv[]) {
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char ch;
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char Name[20], Id[20];
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int Math, Chinese, English;
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fstream ioFile;
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ioFile.open("d:/per.dat", ios::out | ios::app);
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cout << "---------建立学生档案信息----------\n";
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do {
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cout << "请输入姓名：";
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cin >> Name;
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cout << "请输入身份证号：";
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cin >> Id;
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cout << "请输入数学成绩：";
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cin >> Math;
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cout << "请输入汉语成绩：";
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cin >> Chinese;
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cout << "请输入英语成绩：";
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cin >> English;
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Person per(Name, Id, Math, Chinese, English);
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ioFile.write((char *)&per, sizeof(per));
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cout << "您是否继续建档？(Y/y) ";
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cin >> ch;
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} while (ch == 'y' || ch == 'Y');
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ioFile.close();
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ioFile.open("d://per.dat", ios::in);
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Person p;
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ioFile.read((char *)&p, sizeof(p));
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vector<Person> v;
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vector<Person>::iterator vt;
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while (!ioFile.eof()) {
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v.push_back(p);
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ioFile.read((char *)&p, sizeof(p));
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}
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ioFile.close();
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cout << "---------输出档案信息-----------" << endl;
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for (vt = v.begin(); vt != v.end(); vt++) {
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(*vt).display();
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}
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return 0;
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}
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