ajaxtestaction.java

一个有关于ajax的应用示例是什么 样子的

package com.ata.struts2;

import java.io.*;
import java.util.Iterator;
import java.util.Map;

import javax.servlet.http.HttpServletRequest;

import org.apache.struts2.interceptor.ServletRequestAware;

import com.opensymphony.xwork2.ActionSupport;

public class AjaxTestAction extends ActionSupport  implements ServletRequestAware {

	private HttpServletRequest request;
	private InputStream inputStream;
	
	public void setServletRequest(HttpServletRequest request) {
		this.request=request;
	}

	public InputStream getInputStream() {
		return inputStream;
	}

	public String execute() throws Exception {
		
		Thread.sleep(2000);
		System.out.println("---> execute :");
		Map reqMap = request.getParameterMap();
		String val = null;
		String tag = "<br>";
		StringBuffer body = new StringBuffer("Action收到的信息:<br>");
		//firstname=yang&lastname=li&gender=f&country=china
		String firstname ="firstname="+ request.getParameter("firstname");
		String lastname ="lastname="+ request.getParameter("lastname");
		String gender ="gender="+ request.getParameter("gender");
		String country ="country="+ request.getParameter("country");
			
			body.append(firstname).append(tag)
			    .append(lastname).append(tag).append(gender).append(tag).append(country).append("\n");
				System.out.println(body);

		inputStream = new com.ata.struts2.ReaderInputStream( new StringReader(body.toString()),"gbk");
		return SUCCESS;
	}
}