dao layer

@SuppressWarnings("unchecked")
	@Override
	public Operate findUserByNameAndPass(String czyNumber, String czyPass,
			String qxName) throws Exception {
		// TODO Auto-generated method stub
		Object [] args={czyNumber,czyPass,qxName};
		String sql = "from Operate where czyNumber=? and czyPass=? and qxName=?";
		List<Operate> url = getHibernateTemplate().find(sql,args);
		if (url != null && url.size() >= 1) {
			return url.get(0);
		}
		return null;
	}

services layer

@Override
	public Integer loginValid(String czyNumber, String czyPass, String qxName)
			throws Exception {
		// TODO Auto-generated method stub
		try {
			System.out.println("czyNumber:"+czyNumber+",czyPass:"+czyPass+",qxName"+qxName);
		
					Operate operate = operateDao.findUserByNameAndPass(
							czyNumber, czyPass, qxName);
					if(operate!=null){
						return operate.getCzyId();
					}
					return null;
		} catch (Exception e) {
			// TODO: handle exception
			e.printStackTrace();
			throw new Exception("验证用户名登录时出现异常！");
		}
	}

action

package jp.panitec.action;

import java.util.List;
import java.util.Map;

import jp.panitec.model.Operate;
import jp.panitec.services.OperateManager;

import com.opensymphony.xwork2.ActionContext;
import com.opensymphony.xwork2.ActionSupport;

public class OperateAction extends ActionSupport {

	/**
	 * 
	 */
	private static final long serialVersionUID = 5172876533158790639L;

	OperateManager operateManager;
	public static final java.lang.String SUCCESS = "success";

	// Field descriptor #4 Ljava/lang/String;
	public static final java.lang.String NONE = "none";

	// Field descriptor #4 Ljava/lang/String;
	public static final java.lang.String ERROR = "error";

	// Field descriptor #4 Ljava/lang/String;
	public static final java.lang.String INPUT = "input";

	// Field descriptor #4 Ljava/lang/String;
	public static final java.lang.String LOGIN = "login";
	// Field descriptor #4 Ljava/lang/String;
	public static final java.lang.String FAILUER = "failure";

	@SuppressWarnings("unchecked")
	public String execute() throws Exception {
		@SuppressWarnings("unused")
		


不知道这里应该怎么写？请哪些高手帮忙看看
	}

	/** persistent field */
	private String czyNumber;
               /** persistent field */
               private String  czyPass;
	/** persistent field */
	private String qxName;
get() /set()方法


}

jsp



<tr>
<td align="center"> <b> user name: </ b> </ td>
<td> <s: textfield name = "czyNumber" cssClass = "textstyle"
theme = "simple" size = "20" /> </ td>
</ tr>
<tr>
<td align="center"> <b> Password: </ b> </ td>
<td> <s: textfield name = "czyPass" cssClass = "textstyle"
theme = "simple" size = "20" /> </ td>
</ tr>
<tr>
<td align="center" colspan="2"> <s: submit value = "Login"
theme = "simple "/></ td>
</ tr>