|
|
|
|
@ -0,0 +1,321 @@
|
|
|
|
|
#include <stdio.h>
|
|
|
|
|
#include <string.h>
|
|
|
|
|
#include <windows.h>
|
|
|
|
|
#include <stdlib.h>
|
|
|
|
|
#include <ctype.h>
|
|
|
|
|
#include <time.h>
|
|
|
|
|
|
|
|
|
|
// 定义用户结构
|
|
|
|
|
typedef struct {
|
|
|
|
|
char username[20];
|
|
|
|
|
char password[10];
|
|
|
|
|
char userType[10];
|
|
|
|
|
} User;
|
|
|
|
|
|
|
|
|
|
// 函数声明
|
|
|
|
|
void initializeUsers(User users[]);
|
|
|
|
|
int loginSystem(char *currentUserType);
|
|
|
|
|
void showMainMenu(const char *currentUserType);
|
|
|
|
|
int handleCommand(const char *command, char *currentUserType);
|
|
|
|
|
int switchUserType(const char *command, char *currentUserType);
|
|
|
|
|
void generatePaper(const char *userType);
|
|
|
|
|
int getQuestionCount();
|
|
|
|
|
void generateQuestions(const char *userType, int count);
|
|
|
|
|
void clearInputBuffer();
|
|
|
|
|
void trimString(char *str);
|
|
|
|
|
int isNumber(const char *str);
|
|
|
|
|
|
|
|
|
|
int main() {
|
|
|
|
|
// 设置控制台为UTF-8编码，解决中文乱码
|
|
|
|
|
SetConsoleOutputCP(65001);
|
|
|
|
|
|
|
|
|
|
char currentUserType[10] = "";
|
|
|
|
|
|
|
|
|
|
// 主程序循环
|
|
|
|
|
while (1) {
|
|
|
|
|
// 调用登录系统函数
|
|
|
|
|
if (!loginSystem(currentUserType)) {
|
|
|
|
|
printf("登录失败，程序退出\n");
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// 登录成功后进入主菜单
|
|
|
|
|
showMainMenu(currentUserType);
|
|
|
|
|
// 命令处理循环
|
|
|
|
|
char command[50];
|
|
|
|
|
int shouldLogout = 0;
|
|
|
|
|
|
|
|
|
|
while (!shouldLogout) {
|
|
|
|
|
printf("> ");
|
|
|
|
|
|
|
|
|
|
// 读取整行输入
|
|
|
|
|
if (fgets(command, sizeof(command), stdin) == NULL) {
|
|
|
|
|
shouldLogout = 1;
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// 去除换行符和前后空格
|
|
|
|
|
trimString(command);
|
|
|
|
|
|
|
|
|
|
// 检查是否为空输入
|
|
|
|
|
if (strlen(command) == 0) {
|
|
|
|
|
continue;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// 处理命令
|
|
|
|
|
int result = handleCommand(command, currentUserType);
|
|
|
|
|
if (result == -1) {
|
|
|
|
|
shouldLogout = 1; // 退出当前用户，重新登录
|
|
|
|
|
} else if (result == 1) {
|
|
|
|
|
// 命令处理成功，继续循环
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
printf("退出当前用户，返回登录界面...\n\n");
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
printf("程序结束，按任意键退出...");
|
|
|
|
|
getchar();
|
|
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// 初始化用户数据
|
|
|
|
|
void initializeUsers(User users[]) {
|
|
|
|
|
User presetUsers[9] = {
|
|
|
|
|
{"张三1", "123", "小学"},
|
|
|
|
|
{"张三2", "123", "小学"},
|
|
|
|
|
{"张三3", "123", "小学"},
|
|
|
|
|
{"李四1", "123", "初中"},
|
|
|
|
|
{"李四2", "123", "初中"},
|
|
|
|
|
{"李四3", "123", "初中"},
|
|
|
|
|
{"王五1", "123", "高中"},
|
|
|
|
|
{"王五2", "123", "高中"},
|
|
|
|
|
{"王五3", "123", "高中"}
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
for (int i = 0; i < 9; i++) {
|
|
|
|
|
users[i] = presetUsers[i];
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// 登录系统函数
|
|
|
|
|
int loginSystem(char *currentUserType) {
|
|
|
|
|
User users[9];
|
|
|
|
|
initializeUsers(users);
|
|
|
|
|
|
|
|
|
|
printf("=== 数学老师出题系统 ===\n");
|
|
|
|
|
printf("请输入用户名和密码（用空格隔开）：\n");
|
|
|
|
|
|
|
|
|
|
char username[20], password[10];
|
|
|
|
|
int authenticated = 0;
|
|
|
|
|
int attempts = 0;
|
|
|
|
|
|
|
|
|
|
// 登录验证
|
|
|
|
|
while (!authenticated && attempts < 3) {
|
|
|
|
|
printf("> ");
|
|
|
|
|
scanf("%s %s", username, password);
|
|
|
|
|
clearInputBuffer();
|
|
|
|
|
|
|
|
|
|
// 验证用户
|
|
|
|
|
for (int i = 0; i < 9; i++) {
|
|
|
|
|
if (strcmp(users[i].username, username) == 0 &&
|
|
|
|
|
strcmp(users[i].password, password) == 0) {
|
|
|
|
|
authenticated = 1;
|
|
|
|
|
strcpy(currentUserType, users[i].userType);
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if (authenticated) {
|
|
|
|
|
printf("当前选择为 %s 出题\n", currentUserType);
|
|
|
|
|
return 1;
|
|
|
|
|
} else {
|
|
|
|
|
attempts++;
|
|
|
|
|
printf("请输入正确的用户名、密码\n");
|
|
|
|
|
if (attempts < 3) {
|
|
|
|
|
printf("请重新输入用户名和密码：\n");
|
|
|
|
|
} else {
|
|
|
|
|
printf("登录失败次数过多\n");
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// 显示主菜单
|
|
|
|
|
void showMainMenu(const char *currentUserType) {
|
|
|
|
|
printf("\n登录成功！当前选择为 %s 出题\n", currentUserType);
|
|
|
|
|
printf("系统提示：准备生成 %s 数学题目，请输入生成题目数量（输入-1将退出当前用户，重新登录）：\n", currentUserType);
|
|
|
|
|
printf("\n可用命令：\n");
|
|
|
|
|
printf("- 输入数字：生成指定数量的题目\n");
|
|
|
|
|
printf("- 切换为 小学/初中/高中：切换出题类型\n");
|
|
|
|
|
printf("- -1：退出当前用户\n\n");
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// 处理命令
|
|
|
|
|
int handleCommand(const char *command, char *currentUserType) {
|
|
|
|
|
// 检查退出命令
|
|
|
|
|
if (strcmp(command, "-1") == 0) {
|
|
|
|
|
return -1; // 退出当前用户
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// 检查切换命令
|
|
|
|
|
if (strncmp(command, "切换为", 6) == 0) {
|
|
|
|
|
return switchUserType(command, currentUserType);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// 检查是否为数字（生成题目）
|
|
|
|
|
if (isNumber(command)) {
|
|
|
|
|
int count = atoi(command);
|
|
|
|
|
if (count > 0 && count <= 100) {
|
|
|
|
|
printf("正在生成 %d 道 %s 数学题目...\n", count, currentUserType);
|
|
|
|
|
generateQuestions(currentUserType, count);
|
|
|
|
|
printf("题目生成完成！\n\n");
|
|
|
|
|
printf("系统提示：准备生成 %s 数学题目，请输入生成题目数量（输入-1将退出当前用户，重新登录）：\n", currentUserType);
|
|
|
|
|
return 1;
|
|
|
|
|
} else if (count == 0) {
|
|
|
|
|
printf("题目数量必须大于0！\n");
|
|
|
|
|
printf("系统提示：准备生成 %s 数学题目，请输入生成题目数量（输入-1将退出当前用户，重新登录）：\n", currentUserType);
|
|
|
|
|
return 1;
|
|
|
|
|
} else {
|
|
|
|
|
printf("题目数量必须在1-100之间！\n");
|
|
|
|
|
printf("系统提示：准备生成 %s 数学题目，请输入生成题目数量（输入-1将退出当前用户，重新登录）：\n", currentUserType);
|
|
|
|
|
return 1;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
printf("未知命令！\n");
|
|
|
|
|
printf("系统提示：准备生成 %s 数学题目，请输入生成题目数量（输入-1将退出当前用户，重新登录）：\n", currentUserType);
|
|
|
|
|
return 1;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// 切换用户类型
|
|
|
|
|
// 切换用户类型 - 从"切换为XX"中提取XX部分
|
|
|
|
|
int switchUserType(const char *command, char *currentUserType) {
|
|
|
|
|
// 命令格式是"切换为XX"，我们需要提取XX部分
|
|
|
|
|
// "切换为"占6个字节，所以从第6个字节开始就是XX部分
|
|
|
|
|
char newType[10] = "";
|
|
|
|
|
|
|
|
|
|
// 复制"切换为"后面的内容
|
|
|
|
|
if (strlen(command) >= 8) { // 确保命令长度足够
|
|
|
|
|
strcpy(newType, command +9); // 跳过"切换为"的6个字节
|
|
|
|
|
printf("%s",newType);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// 验证类型是否合法
|
|
|
|
|
if (strcmp(newType, "小学") == 0) {
|
|
|
|
|
strcpy(currentUserType, "小学");
|
|
|
|
|
printf("已切换到 小学 出题\n");
|
|
|
|
|
printf("系统提示：准备生成 小学 数学题目，请输入生成题目数量（输入-1将退出当前用户，重新登录）：\n");
|
|
|
|
|
return 1;
|
|
|
|
|
}
|
|
|
|
|
else if (strcmp(newType, "初中") == 0) {
|
|
|
|
|
strcpy(currentUserType, "初中");
|
|
|
|
|
printf("已切换到 初中 出题\n");
|
|
|
|
|
printf("系统提示：准备生成 初中 数学题目，请输入生成题目数量（输入-1将退出当前用户，重新登录）：\n");
|
|
|
|
|
return 1;
|
|
|
|
|
}
|
|
|
|
|
else if (strcmp(newType, "高中") == 0) {
|
|
|
|
|
strcpy(currentUserType, "高中");
|
|
|
|
|
printf("已切换到 高中 出题\n");
|
|
|
|
|
printf("系统提示：准备生成 高中 数学题目，请输入生成题目数量（输入-1将退出当前用户，重新登录）：\n");
|
|
|
|
|
return 1;
|
|
|
|
|
}
|
|
|
|
|
else {
|
|
|
|
|
printf("请输入小学、初中和高中三个选项中的一个\n");
|
|
|
|
|
printf("系统提示：准备生成 %s 数学题目，请输入生成题目数量（输入-1将退出当前用户，重新登录）：\n", currentUserType);
|
|
|
|
|
return 1;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// 生成数学题目
|
|
|
|
|
void generateQuestions(const char *userType, int count) {
|
|
|
|
|
printf("=== 生成的 %s 数学题目 ===\n", userType);
|
|
|
|
|
|
|
|
|
|
// 设置随机数种子
|
|
|
|
|
srand((unsigned int)time(NULL));
|
|
|
|
|
|
|
|
|
|
for (int i = 1; i <= count; i++) {
|
|
|
|
|
if (strcmp(userType, "小学") == 0) {
|
|
|
|
|
// 小学题目：简单的加减法
|
|
|
|
|
int a = rand() % 50 + 1;
|
|
|
|
|
int b = rand() % 50 + 1;
|
|
|
|
|
char op = (rand() % 2 == 0) ? '+' : '-';
|
|
|
|
|
printf("%d. %d %c %d = \n", i, a, op, b);
|
|
|
|
|
}
|
|
|
|
|
else if (strcmp(userType, "初中") == 0) {
|
|
|
|
|
// 初中题目：包含乘除法
|
|
|
|
|
int a = rand() % 20 + 1;
|
|
|
|
|
int b = rand() % 20 + 1;
|
|
|
|
|
char ops[] = {'+', '-', '*', '/'};
|
|
|
|
|
char op = ops[rand() % 4];
|
|
|
|
|
if (op == '/' && b == 0) b = 1;
|
|
|
|
|
printf("%d. %d %c %d = \n", i, a, op, b);
|
|
|
|
|
}
|
|
|
|
|
else if (strcmp(userType, "高中") == 0) {
|
|
|
|
|
// 高中题目：包含平方、开方等
|
|
|
|
|
int a = rand() % 10 + 1;
|
|
|
|
|
int type = rand() % 3;
|
|
|
|
|
if (type == 0) {
|
|
|
|
|
printf("%d. %d² = \n", i, a);
|
|
|
|
|
} else if (type == 1) {
|
|
|
|
|
printf("%d. √%d = \n", i, a*a);
|
|
|
|
|
} else {
|
|
|
|
|
printf("%d. log₁₀(%d) = \n", i, a*10);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
printf("============================\n");
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// 清除输入缓冲区
|
|
|
|
|
void clearInputBuffer() {
|
|
|
|
|
int c;
|
|
|
|
|
while ((c = getchar()) != '\n' && c != EOF);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// 去除字符串前后空格和换行符
|
|
|
|
|
void trimString(char *str) {
|
|
|
|
|
if (str == NULL) return;
|
|
|
|
|
|
|
|
|
|
char *start = str;
|
|
|
|
|
char *end = str + strlen(str) - 1;
|
|
|
|
|
|
|
|
|
|
while (*start && isspace((unsigned char)*start)) {
|
|
|
|
|
start++;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
while (end > start && isspace((unsigned char)*end)) {
|
|
|
|
|
end--;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
memmove(str, start, end - start + 1);
|
|
|
|
|
str[end - start + 1] = '\0';
|
|
|
|
|
|
|
|
|
|
char *newline = strchr(str, '\n');
|
|
|
|
|
if (newline) *newline = '\0';
|
|
|
|
|
|
|
|
|
|
newline = strchr(str, '\r');
|
|
|
|
|
if (newline) *newline = '\0';
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// 检查字符串是否为数字
|
|
|
|
|
int isNumber(const char *str) {
|
|
|
|
|
if (str == NULL || *str == '\0') {
|
|
|
|
|
return 0;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// 检查是否为-1
|
|
|
|
|
if (strcmp(str, "-1") == 0) {
|
|
|
|
|
return 1;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
for (int i = 0; str[i] != '\0'; i++) {
|
|
|
|
|
if (!isdigit(str[i])) {
|
|
|
|
|
return 0;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
return 1;
|
|
|
|
|
}
|
