使用Struts2实现注册
时间: 2023-12-10 18:03:36 浏览: 32
));
snake.add(new Point(8, 10));
direction = KeyEvent.VK_RIGHT;
spawnFood();
gameOver = false;
好的,我可以为您提供一个简单的使用Struts2实现注册的示例。
首先,您需要 }
private void spawnFood() {
Random rand = new Random();
int x = rand.nextInt(WIDTH / TILE_SIZE);
创建一个JSP页面来显示注册表单,让用户填写相关信息。例如,您可以创建一个名为register.jsp的 int y = rand.nextInt(HEIGHT / TILE_SIZE);
for (Point p : snake) {
if (p.x == x &&文件,并在其中添加以下代码:
```
<%@ taglib prefix="s" uri="/struts-tags"%>
<html>
<head>
<title>用户注册</title>
</head>
<body>
<h1>用户注册</h1>
<s: p.y == y) {
spawnFood();
return;
}
}
food = new Point(x, y);
}
form action="registerAction" method="post">
<s:textfield name="username" label="用户名" />
<s:password private void moveSnake() {
Point head = snake.getFirst();
Point newHead = new Point(head);
switch (direction) name="password" label="密码" />
<s:textfield name="email" label="电子邮箱" />
<s: {
case KeyEvent.VK_UP:
newHead.y--;
break;
case KeyEvent.VK_DOWN:
newHead.y++;
breaksubmit value="提交" />
</s:form>
</body>
</html>
```
然后,您需要创建一个Struts;
case KeyEvent.VK_LEFT:
newHead.x--;
break;
case KeyEvent.VK_RIGHT:
newHead.x++;
break;
}
if (newHead.x < 0 || newHead.x >= WIDTH / TILE_SIZE || newHead.y < 0 ||2 Action类来处理注册请求。例如,您可以创建一个名为RegisterAction的Java类,并在其中添加以下代码:
`` newHead.y >= HEIGHT / TILE_SIZE) {
gameOver = true;
return;
}
for (Point p : snake)`
package com.example.action;
import com.opensymphony.xwork2.ActionSupport;
public class RegisterAction extends ActionSupport {
private String {
if (p.equals(newHead)) {
gameOver = true;
return;
}
}
snake.addFirst(newHead username;
private String password;
private String email;
public String execute() throws Exception {
// 在这里处理注册逻);
if (newHead.equals(food)) {
spawnFood();
} else {
snake.removeLast();
}
}
辑,例如将用户信息保存到数据库中
System.out.println("用户名:" + username);
System.out.println("密码:" private void drawSnake(Graphics g) {
g.setColor(COLOR_SNAKE);
for (Point p : snake) {
int x + password);
System.out.println("电子邮箱:" + email);
return SUCCESS;
}
// getter和setter方法省略 = p.x * TILE_SIZE;
int y = p.y * TILE_SIZE;
g.fillRect(x, y, TILE_SIZE, TILE_SIZE
}
```
最后,您需要在struts.xml文件中配置Action映射。例如,您可以在struts.xml文件);
}
}
private void drawFood(Graphics g) {
g.setColor(COLOR_FOOD);
int x = food.x *中添加以下代码:
```
<struts>
<package name="default" extends="struts-default">
<action name=" TILE_SIZE;
int y = food.y * TILE_SIZE;
g.fillRect(x, y, TILE_SIZE, TILE_SIZE);
}
registerAction" class="com.example.action.RegisterAction">
<result name="success">/success.jsp</result>
</action>
private void drawGameOver(Graphics g) {
g.setColor(Color.WHITE);
g.drawString("Game Over", WIDTH / 2 - 30 </package>
</struts>
```
这个配置将请求路径为/registerAction的请求映射到RegisterAction类中的execute, HEIGHT / 2);
}
@Override
public void paintComponent(Graphics g) {
super.paintComponent(g);
方法,并将执行结果映射到success.jsp页面。
这样,当用户访问/register.jsp页面并提交注册信息时,Str drawSnake(g);
drawFood(g);
if (gameOver) {
drawGameOver(g);
}
}
@Overrideuts2框架将自动将提交的数据绑定到RegisterAction类中的属性中,并执行execute方法中的注册逻
public void run() {
while (running) {
moveSnake();
repaint();
try {
Thread.sleep(GAME辑。最后,Struts2框架将根据执行结果返回success.jsp页面,并将注册结果显示给用户。