helloform.java

一个java写的基于struts的简单应用

package hello;

import javax.servlet.http.HttpServletRequest;
import org.apache.struts.action.ActionErrors;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionMapping;
import org.apache.struts.action.ActionMessage;
 
/**
 * Form bean for a Struts application.
 * Users may access 1 field on this form:
 * <ul>
 * <li>userName - [your comment here]
 * </ul>
 * @version 	1.0
 * @author
 */
 
public class helloForm extends ActionForm {

	private String userName = null;

	/**
	 * Get userName
	 * @return String
	 */
	public String getUserName() {
		return userName;
	}

	/**
	 * Set userName
	 * @param <code>String</code>
	 */
	public void setUserName(String u) {
		this.userName = u;
	}

	public void reset(ActionMapping mapping, HttpServletRequest request) {

		// Reset values are provided as samples only. Change as appropriate.

		userName = "phl";//可在此处设置初始值;

	}

	public ActionErrors validate(
		ActionMapping mapping,
		HttpServletRequest request) {

		ActionErrors errors = new ActionErrors();
		if (userName == null || userName.length() < 1)
			errors.add("username", new ActionMessage("hello.no.username.error"));
		
		return errors;

	}
}