海鸥航际

#Application Resource for the logon.jsp
logon.jsp.title=The logon page
logon.jsp.page.heading=Welcome World!
logon.jsp.prompt.username=Username:
logon.jsp.prompt.password=Password:
logon.jsp.prompt.submit=Submit
logon.jsp.prompt.reset=Reset

#Application Resource for the main.jsp
main.jsp.title=The main page
main.jsp.welcome=Welcome:

package action;
import java.io.IOException;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpSession;
import javax.servlet.http.HttpServletResponse;
import org.apache.struts.action.Action;
import org.apache.struts.action.ActionError;
import org.apache.struts.action.ActionErrors;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;
import org.apache.struts.action.ActionServlet;
import bussness.UserInfoBo;
import entity.UserInfoForm;
public final class LogonAction extends Action {
  
  public ActionForward execute(ActionMapping mapping,
         ActionForm form,
         HttpServletRequest request,
         HttpServletResponse response)
         throws IOException, ServletException {
    UserInfoForm userInfoForm = (UserInfoForm) form;     	
    //从web层获得用户名和口令
    String username = userInfoForm.getUsername().trim();
    String password = userInfoForm.getPassword().trim();
    //声明错误集对象
    ActionErrors errors = new ActionErrors();
    //校验输入
    if(username.equals("")){
      ActionError error=new ActionError("error.missing.username");
      errors.add(ActionErrors.GLOBAL_ERROR,error);
    }
    if(password.equals("")){
      ActionError error=new ActionError("error.missing.password");
      errors.add(ActionErrors.GLOBAL_ERROR,error);
    }
    
    //调用业务逻辑
    if(errors.size()==0){
      String validated = "";
      try{
        UserInfoBo userInfoBo=new UserInfoBo();
        validated =userInfoBo.validatePwd(username,password);
        if(validated.equals("match")){
          //一切正常就保存用户信息并转向成功的页面	
          HttpSession session = request.getSession();
          session.setAttribute("userInfoForm", form);          
      	  return mapping.findForward("success");
        } 
      }
      
      catch(Throwable e){
        //处理可能出现的错误
        e.printStackTrace();
        ActionError error=new ActionError(e.getMessage());
        errors.add(ActionErrors.GLOBAL_ERROR,error);
      }
    }  
    //如出错就转向输入页面，并显示相应的错误信息
    saveErrors(request, errors);    
    return new ActionForward(mapping.getInput());    
  } 
}

#Application Resource for the LogonAction.java
error.missing.username=<li><font color="red">missing username</font></li>
error.missing.password=<li><font color="red">missing password</font></li>>

<action-mappings>
    <action input="/logon.jsp" name="userInfoForm" path="/logonAction" scope="session" 
	type="action.LogonAction" validate="false">
      <forward name="success" path="/main.jsp" />      
    </action>
  </action-mappings>

package bussness;

import entity.UserInfoForm;

public class UserInfoBo {

  public UserInfoBo(){
    
  }  	

  public String validatePwd(String username,String password){
    	
    String validateResult=""; 
       
    if(username.equals("lhb")&&password.equals("awave")){
      validateResult="match";
    }
    else{
      
      throw new RuntimeException("error.noMatch");
    }    	
    
    return validateResult;   
    
  }
}

#Application Resource for the UserInfoBo.java
error.noMatch=<li><font color="red">no matched user</font></li>