package csdn.zuoye.com;
import java.util.Random;
import javax.swing.JOptionPane;
public class GuessNumDemo {
static String source="0123456789abcdefghigklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ";//定義字符串
static String message;//dingyi
public static void main(String[] args) {
//隨機產生數字 創建Random的對象
Random random=new Random();
//調用nextInt方法返回一個0---source.length()-1
int index =random.nextInt(source.length());
//獲得了隨機產生的字母
char guessChar=source.charAt(index);
/*
//JOptionPane.showInputDialog(null, ""+guessChar);
for(int i=0;i<5;i++){
String inputChar=JOptionPane.showInputDialog("請輸入你猜的數字");
if(inputChar.equals(guessChar+"")){
JOptionPane.showMessageDialog(null, "恭喜你 ，答對了");
}else {
JOptionPane.showMessageDialog(null, "對不起，你猜錯了");
//JOptionPane.showMessageDialog(null, "您猜大了")
}
*/
if(guessChar>=48&&guessChar<=57){
message="請輸入數字";
}else if(guessChar>=65&&guessChar<=90){
message="請輸入大寫字母";
}else if(guessChar>=97&&guessChar<=122){
message="請輸入小寫字母";
}
System.out.println(guessChar);
for(int i=0;i<5;i++){
String temp=JOptionPane.showInputDialog(message);
char t=temp.charAt(0);
if(guessChar==t){
JOptionPane.showMessageDialog(null, "恭喜你答對了");
break;
}else if(guessChar>t){
JOptionPane.showMessageDialog(null,"你猜小了");
}else{
JOptionPane.showMessageDialog(null,"你猜大了");
}
}
}
}