treeaction.java

ext示例

/*
 * Generated by MyEclipse Struts
 * Template path: templates/java/JavaClass.vtl
 */
package com.ext.action;

import java.io.IOException;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.struts.action.Action;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;

/** 
 * MyEclipse Struts
 * Creation date: 04-23-2008
 * 
 * XDoclet definition:
 * @struts.action validate="true"
 */
public class TreeAction extends Action {
	/*
	 * Generated Methods
	 */

	/** 
	 * Method execute
	 * @param mapping
	 * @param form
	 * @param request
	 * @param response
	 * @return ActionForward
	 * @throws IOException 
	 */
	public ActionForward execute(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response) throws IOException {
		response.setCharacterEncoding("utf-8");
		String node = request.getParameter("node");
		System.out.println(node);
		String json = "";
		if("0".equals(node)){
			json += "[{id:1,text:'节点一'},{id:2,text:'节点二'}]";
		}else if("1".equals(node)){
			json += "[{id:11,text:'节点一一',qtip:'这是节点一一',leaf:false},{id:12,text:'节点一二',leaf:true}]";
		}else if("2".equals(node)){
			
			json += "[{id:21,text:'节点二一',leaf:true},{id:22,text:'节点二二',leaf:true}]";
		}else if("11".equals(node)){
			
			json += "[{id:111,text:'节点一一一',href:'http://www.baidu.com',leaf:true},{id:112,text:'节点一一二',leaf:true}]";
		}
		response.getWriter().print(json);
		return null;
	}
}