基于c++设计的信息管理系统，供大家参考，具体内容如下
1、使用类+函数实现
2、使用STL容器的vector
3、fstream的文件存储方式
4、xls文件读入 写出
5、数据的四大功能增删改查
6、一定的输入容错能力
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#include <stdio.h>#include <stdlib.h>#include <math.h>#include <string.h>#include <iostream>#include <windows.h>#include <vector>#include <fstream>#include <iterator>#define Num 20#define FALSE 0#define TRUE 1#define PATH "./file.xls"using namespace std;class LiangshanHeros{public: char name[Num]; //梁山好汉姓名 int age; //年龄 char loc[Num]; //籍贯 double bounty; //悬赏金public: LiangshanHeros() { age = 18; bounty = 6666; } LiangshanHeros(char* _name, int _age, char* _loc, double the_bounty) { strcpy(name, _name); age = _age; strcpy(loc, _loc); bounty = the_bounty; } ~LiangshanHeros() { }public: char* getName(); char* getLoc(); double getBounty(); int getAge();public: int setName(char*); int setAge(int); int setLoc(char*); int setprice(double);public: void showMenu();};class params : public LiangshanHeros {public : params() { } ~params() { }public: void InitSet(); void showMensu();};char* LiangshanHeros::getName(){ return name;}char* LiangshanHeros::getLoc(){ return loc;}double LiangshanHeros::getBounty(){ return bounty;}int LiangshanHeros::getAge(){ return age;}int LiangshanHeros::setName(char* _name){ if (strlen(_name) > 20 || strlen(_name) < 2) { cout << "重新输入梁山好汉姓名 长度[0 - 20]" << endl; return FALSE; } else { strcpy(name, _name); return TRUE; }}int LiangshanHeros::setAge(int _age){ if (_age > 100 || _age < 0) { cout << "重新输入年龄 大小[0 - 100]" << endl; return FALSE; } else { age = _age; return TRUE; }}int LiangshanHeros::setLoc(char* _loc){ if (strlen(_loc) > 20 || strlen(_loc) < 2) { cout << "重新输入梁山好汉籍贯 长度[0 - 20]" << endl; return FALSE; } else { strcpy(loc, _loc); return TRUE; }}int LiangshanHeros::setprice(double the_Bouney){ if (the_Bouney < 0) { cout << "重新输入价格 大小[0 - &]" << endl; return FALSE; } else { bounty = the_Bouney; return TRUE; }}void setAll(LiangshanHeros* par){ while (1) { cout << "输入梁山好汉姓名: " << endl; char n[Num] = { 0 }; cin >> n; if (par->setName(n) == TRUE) break; } while (1) { cout << "输入年龄: " << endl; int a; cin >> a; if (par->setAge(a) == TRUE) break; } while (1) { cout << "输入梁山好汉籍贯: " << endl; char l[Num] = { 0 }; cin >> l; if (par->setLoc(l) == TRUE) break; } while (1) { cout << "输入赏金: " << endl; double p; cin >> p; if (par->setprice(p) == TRUE) break; }}LiangshanHeros* set(){ LiangshanHeros* par = new LiangshanHeros; //do set setAll(par); return par;}void search(vector<LiangshanHeros*>& vec, char* name){ int i = 0; int flag = 0; for (i = 0; i < vec.size(); i++) { if (strcmp(vec[i]->name, name) == 0) { cout << "查找成功 " << endl; cout << vec[i]->getName() << endl; cout << vec[i]->getAge() << endl; cout << vec[i]->getLoc() << endl; cout << vec[i]->getBounty() << endl; flag = 1; } } //case faild if (flag == 0) { cout << "查找失败" << endl; }}void deletePar(vector<LiangshanHeros*>& vec, char* name){ int i = 0; int flag = 0; for (i = 0; i < vec.size(); i++) { if (strcmp(vec[i]->name, name) == 0) { cout << "查找成功 " << endl; cout << vec[i]->getName() << endl; cout << vec[i]->getAge() << endl; cout << vec[i]->getLoc() << endl; cout << vec[i]->getBounty() << endl; vec.erase(vec.begin() + i); //sp case i--; cout << "删除成功 " << endl; flag = 1; } } if (flag == 0) { cout << "未找到该梁山好汉" << endl; }}void change(vector<LiangshanHeros*>& vec, char* name){ int i = 0; int flag = 0; for (i = 0; i < vec.size(); i++) { if (strcmp(vec[i]->name, name) == 0) { cout << "查找成功 " << endl; cout << vec[i]->getName() << endl; cout << vec[i]->getAge() << endl; cout << vec[i]->getLoc() << endl; cout << vec[i]->getBounty() << endl; cout << "请输入需要修改变量的值:" << endl; cout << "1.梁山好汉姓名 2.年龄 3.籍贯 4.赏金" << endl; int choice; while (1) { cin >> choice; if (choice > 4 || choice < 0) continue; else break; } cout << "输入修改后的值" << endl; switch (choice) { case 1: { while (1) { cout << "输入梁山好汉姓名: " << endl; char n[Num] = { 0 }; cin >> n; if (vec[i]->setName(n) == TRUE) break; } break; } case 2: { while (1) { cout << "输入年龄: " << endl; int a; cin >> a; if (vec[i]->setAge(a) == TRUE) break; } break; } case 3: { while (1) { cout << "输入梁山好汉籍贯: " << endl; char l[Num] = { 0 }; cin >> l; if (vec[i]->setLoc(l) == TRUE) break; } break; } case 4: { while (1) { cout << "输入赏金: " << endl; double p; cin >> p; if (vec[i]->setprice(p) == TRUE) break; } break; } } flag = 1; } } if (flag == 0) { cout << "未找到该梁山好汉" << endl; }}void inputFile(vector<LiangshanHeros*>& vec){ ofstream ofs; ofs.open(PATH, ios::ate | ios::binary); int i = 0; if (vec.size() < 0) { cout << "还未录入数据" << endl; return; } for (i = 0; i < vec.size(); i++) { ofs << vec[i]->name << "\t" << vec[i]->age << "\t" << vec[i]->loc << "\t" << vec[i]->bounty; ofs << "\n"; } cout << "数据录入成功 存储于 ./file.xls中" << endl; ofs.close();}void outputFile(vector<LiangshanHeros*>& vec){ ifstream ifs; ifs.open(PATH, ios::binary | ios::in); if (ifs.fail()) { cout << "文件未创建 请先录入数据" << endl; return; } int i = vec.size(); int age; double price; char loc[Num] = { 0 }; char name[Num] = { 0 }; //判断是否为文件结尾 while (!ifs.eof()) { LiangshanHeros* par = new LiangshanHeros; ifs >> par->name >> par->age >> par->loc >> par->bounty; vec.push_back(par); } cout << "file.xls 文件读入成功 数据已写入" << endl; ifs.close();}void showAllParam(vector<LiangshanHeros*>& vec){ int i = 0; for (i = 0; i < vec.size(); i++) { cout << "这是 第" << i + 1 << "位梁山好汉 :" << endl; cout << " 姓名 :" << vec[i]->name << endl; cout << " 年龄 :" << vec[i]->age << endl; cout << " 籍贯 :" << vec[i]->loc << endl; cout << " 赏金 :" << vec[i]->bounty << endl; cout << endl; }}void LiangshanHeros::showMenu(){ HANDLE hout = GetStdHandle(STD_OUTPUT_HANDLE);//句柄 SetConsoleTextAttribute(hout, FOREGROUND_INTENSITY | FOREGROUND_BLUE | FOREGROUND_RED); printf("\t基于梁山好汉的文件存储系统\n"); SetConsoleTextAttribute(hout, FOREGROUND_INTENSITY | FOREGROUND_RED); printf("〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓\n"); printf("\t丨 1.添加梁山好汉 \n"); printf("\t丨 2.查找梁山好汉 \n"); printf("\t丨 3.删除梁山好汉 \n"); printf("\t丨 4.修改梁山好汉信息 \n"); printf("\t丨 5.读取已存在信息 \n"); printf("\t丨 6.保存信息 \n"); printf("\t丨 7.查阅所有信息 \n"); printf("\t丨 8.退出 \n"); SetConsoleTextAttribute(hout, FOREGROUND_INTENSITY | FOREGROUND_RED); printf("〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓\n\t"); SetConsoleTextAttribute(hout, FOREGROUND_INTENSITY | FOREGROUND_BLUE); printf("输入您的选择(1-8):");}int main(){ system("mode con cols=135 lines=30");//控制台 宽度135 高度20 HANDLE hout = GetStdHandle(STD_OUTPUT_HANDLE);//句柄 SetConsoleTextAttribute(hout, FOREGROUND_INTENSITY | FOREGROUND_RED); LiangshanHeros* par = new LiangshanHeros; par->showMenu(); vector<LiangshanHeros*> vec; char name[Num] = { 0 }; SetConsoleTextAttribute(hout, FOREGROUND_INTENSITY | FOREGROUND_RED); while (1) { int num; cin >> num; switch (num) { case 1: { vec.push_back(set()); cout << "添加成功" << endl; break; } case 2: { printf("输入查找的梁山好汉名称:"); cin >> name; search(vec, name); break; } case 3: { printf("输入删除的梁山好汉名称:"); cin >> name; deletePar(vec, name); break; } case 4: { printf("输入查找的梁山好汉名称:"); cin >> name; change(vec, name); break; } case 5: { outputFile(vec); break; } case 6: { inputFile(vec); break; } case 7: { showAllParam(vec); break; } case 8: { cout << "kill process .. " << endl; exit(0); break; } } system("pause"); system("cls"); par->showMenu(); } return 0;} |
以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持服务器之家。
原文链接：https://blog.csdn.net/weixin_43811333/article/details/109656273
