u01studentnamevalid.java

持久层hibernate技术使用的一个例子

package cn.hope.front.form.validation;

import java.util.List;

import javax.servlet.http.HttpServletRequest;

import org.apache.commons.validator.Field;
import org.apache.commons.validator.GenericValidator;
import org.apache.commons.validator.ValidatorAction;
import org.apache.commons.validator.util.ValidatorUtils;
import org.apache.struts.action.ActionMessages;
import org.apache.struts.validator.Resources;

import cn.hope.front.bo.U01Dbo;


public class U01StudentNameValid {
	public static boolean twoName(Object bean, ValidatorAction va, Field field,
			ActionMessages errors, HttpServletRequest request) {
		
		String strUserName = ValidatorUtils.getValueAsString(bean, field
				.getProperty());
	

		try {
			if (!GenericValidator.isBlankOrNull(strUserName)) {
				U01Dbo u01dbo=new U01Dbo();
				List list=null;
				 list = u01dbo.U01D4bo(strUserName);
				 System.out.println(list);
				if (list.size()!=0) {
					errors.add(field.getKey(), Resources.getActionMessage(
							request, va, field));
					return false;
				}
			}
		} catch (Exception e) {
			errors.add(field.getKey(), Resources.getActionMessage(request, va,
					field));
			return false;
		}
		return true;
	}

}