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源.cpp

@@ -0,0 +1,96 @@
+#include <iostream>
+#include <vector>
+#include <string>
+#include <algorithm>
+
+struct Student {
+    int id;
+    std::string name;
+    std::string gender;
+    int age;
+    std::string major;
+};
+
+class StudentManagementSystem {
+
+public:
+    // 建立学生信息
+    std::vector<Student> students;
+    void addStudent(const Student& s) {
+        students.push_back(s);
+    }
+
+    // 查询学生信息
+    void searchStudent(int id) {
+        bool found = false;
+        for (const Student& s : students) {
+            if (s.id == id) {
+                std::cout << "学号：" << s.id << ", 姓名：" << s.name << ", 性别：" << s.gender << ", 年龄：" << s.age << ", 专业：" << s.major << std::endl;
+                found = true;
+                break;
+            }
+        }
+        if (!found) {
+            std::cout << "未找到该学号的学生。" << std::endl;
+        }
+    }
+
+    // 删除学生信息
+    void deleteStudent(int id) {
+        auto it = students.begin();
+        while (it != students.end()) {
+            if (it->id == id) {
+                it = students.erase(it);
+            }
+            else {
+                ++it;
+            }
+        }
+    }
+
+    // 增加学生信息
+    void insertStudent(const Student& s) {
+        students.push_back(s);
+    }
+
+    // 按学号排序
+    void sortByID() {
+        std::sort(students.begin(), students.end(), [](const Student& a, const Student& b) {
+            return a.id < b.id;
+            });
+    }
+};
+
+int main() {
+    StudentManagementSystem sms;
+
+    // 添加一些学生信息
+    Student s1 = { 1, "张三", "男", 20, "计算机科学" };
+    Student s2 = { 2, "李四", "女", 21, "电子工程" };
+    Student s3 = { 3, "王五", "男", 19, "数学" };
+
+    sms.addStudent(s1);
+    sms.addStudent(s2);
+    sms.addStudent(s3);
+
+    // 查询学生信息
+    sms.searchStudent(2);
+
+    // 删除学生信息
+    sms.deleteStudent(2);
+
+    // 增加学生信息
+    Student s4 = { 4, "赵六", "女", 22, "物理学" };
+    sms.insertStudent(s4);
+
+    // 排序
+    sms.sortByID();
+
+    // 输出所有学生信息
+    std::cout << "所有学生信息：" << std::endl;
+    for (const Student& s : sms.students) {
+        std::cout << "学号：" << s.id << ", 姓名：" << s.name << ", 性别：" << s.gender << ", 年龄：" << s.age << ", 专业：" << s.major << std::endl;
+    }
+
+    return 0;
+}