#include void Show_The_Main_interface() { //显示主界面 for(int i=1;i<=30;i++) { printf(" "); } printf("1.Input\n"); for(int i=1;i<=30;i++) { printf(" "); } printf("2.Output\n"); for(int i=1;i<=30;i++) { printf(" "); } printf("3.Order\n"); for(int i=1;i<=30;i++) { printf(" "); } printf("4.Quit\n"); } void Output_Prompts(char choice) { //输出提示信息 if(choice=='i') { printf("You are trying to Input info\n"); } else if(choice=='o') { printf("You are trying to Output info\n"); } else if(choice=='m') { printf("You are trying to Make things ordered\n"); } else if(choice=='q') { printf("You are about to Quit\n"); } else { printf("Wrong input\n"); } } int main() { //显示主界面 Show_The_Main_interface(); //用户输入 char choice; scanf("%c",&choice); //输出提示信息 Output_Prompts(choice); }