LeeWanna
2016-12-16 00:56
采纳率: 100%
浏览 3.5k

web.xml的配置好像不对,运行项目控制台总是报错说找不到类,是不是路径错了

LoginAction.java:
package campsg.qunawan.action;

import java.io.IOException;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.apache.catalina.mbeans.UserMBean;

public class LoginAction extends HttpServlet {

public void doGet(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {
    System.out.println("执行LoginAction方法");


    doPost(request,response);
}

public void doPost(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {
    String method = request.getParameter("method");
    if("login".equals(method)){//登录
        String username = request.getParameter("username");
        String password = request.getParameter("password");
         if(username==null||"".equals(username.trim())||password==null||"".equals(password.trim())){
              System.out.println("用户名或密码不能为空!");
              response.sendRedirect("login.html");
              return;
          }

          boolean isValid = false;
        if(isValid){
              System.out.println("登录成功!");
              request.getSession().setAttribute("username", username);
              response.sendRedirect("index.html");
              return;
          }else{
              System.out.println("用户名或密码错误,登录失败!");
              response.sendRedirect("login.html");
              return;
          }
    }else if("logout".equals(method)){//退出登录
        System.out.println("退出登录!");
        request.getSession().removeAttribute("username");
        response.sendRedirect("login.html");
        return;
    }
          }


}

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2条回答 默认 最新

  • 毕小宝 2016-12-16 00:58
    已采纳

    web.xml配置有问题,指定的servlet-class属性应该修正为类的全路径名称:campsg.qunawan.action.LoginAction

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  • 丑旦 2016-12-16 01:38

    如一楼所说的,把class的路径换位全路径试试。

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