我正在做 GlassFish 安装附带的 Java EE7 教程。它也可以在这里找到。代码位于 glassFish 服务器安装目录中
/glassFish_installation/glassfish4/docs/javaee-tutorial/examples/cdi/guessnumber-cdi
.
代码可以正常工作。它目前在用户正确猜到数字时显示,但在游戏结束时correct!
不显示。failed
所以我介绍了,只需一个小改动即可显示failed
消息。我在代码的相关更改上方添加了注释。
不知何故,这种变化并没有帮助。即,在游戏结束时,failed
不显示消息。但是游戏照常进行。我想知道为什么这不起作用以及如何纠正它?
谢谢
public class UserNumberBean implements Serializable {
private static final long serialVersionUID = -7698506329160109476L;
private int number;
private Integer userNumber;
private int minimum;
private int remainingGuesses;
@Inject
@MaxNumber
private int maxNumber;
private int maximum;
@Inject
@Random
Instance<Integer> randomInt;
public UserNumberBean() {
}
public int getNumber() {
return number;
}
public void setUserNumber(Integer user_number) {
userNumber = user_number;
}
public Integer getUserNumber() {
return userNumber;
}
public int getMaximum() {
return (this.maximum);
}
public void setMaximum(int maximum) {
this.maximum = maximum;
}
public int getMinimum() {
return (this.minimum);
}
public void setMinimum(int minimum) {
this.minimum = minimum;
}
public int getRemainingGuesses() {
return remainingGuesses;
}
public String check() throws InterruptedException {
if (userNumber > number) {
maximum = userNumber - 1;
}
if (userNumber < number) {
minimum = userNumber + 1;
}
if (userNumber == number) {
FacesContext.getCurrentInstance().addMessage(null,
new FacesMessage("Correct!"));
}
//if remainingGuesses is less than or equal to zero, display failed message
//-----------------------------------------------
if (remainingGuesses-- <= 0) {
FacesContext.getCurrentInstance().addMessage(null,
new FacesMessage("failed "));
}
return null;
}
@PostConstruct
public void reset() {
this.minimum = 0;
this.userNumber = 0;
this.remainingGuesses = 10;
this.maximum = maxNumber;
this.number = randomInt.get();
}
public void validateNumberRange(FacesContext context,
UIComponent toValidate,
Object value) {
int input = (Integer) value;
if (input < minimum || input > maximum) {
((UIInput) toValidate).setValid(false);
FacesMessage message = new FacesMessage("Invalid guess");
context.addMessage(toValidate.getClientId(context), message);
}
}
}