以下是一个简单的Struts中JSP视图解析器的实例：

```java

// 导入Struts相关的类

import org.apache.struts.action.Action;

import org.apache.struts.action.ActionForm;

import org.apache.struts.action.ActionForward;

import org.apache.struts.action.ActionMapping;

import org.apache.struts.action.ActionMessage;

import org.apache.struts.action.ActionMessages;

public class WelcomeAction extends Action {

// 处理请求的方法

public ActionForward execute(ActionMapping mapping, ActionForm form,

javax.servlet.http.HttpServletRequest request,

javax.servlet.http.HttpServletResponse response)

throws Exception {

// 创建ActionMessages对象

ActionMessages messages = new ActionMessages();

try {

// 获取用户输入的信息

String username = ((UserForm) form).getUsername();

String password = ((UserForm) form).getPassword();

// 这里可以进行用户验证逻辑

// 如果验证成功，则添加成功消息

messages.add(ActionMessages.GLOBAL_MESSAGE, new ActionMessage("