package ewr;

import java.util.HashMap;
import java.util.Map;

import javax.servlet.http.HttpServletRequest;

import net.sf.json.JSONObject;

import org.apache.struts2.interceptor.ServletRequestAware;

import com.opensymphony.xwork2.ActionSupport;

public class JsonAction extends ActionSupport implements ServletRequestAware{
private static final long serialVersionUID = 1L;
	
	private HttpServletRequest request;
	private String msg;

	public void setServletRequest(HttpServletRequest arg0) {
		this.request = arg0;
	}

	public String getMsg() {
		return msg;
	}

	public void setMsg(String msg) {
		this.msg = msg;
	}


	/**
	 * 处理ajax请求
	 * @return SUCCESS
	 */
	public String excuteAjax(){
		
		try {
			//获取数据
			String name = request.getParameter("name");
			int age = Integer.parseInt(request.getParameter("age")); 
			String position = request.getParameter("position");
			
			//将数据存储在map里，再转换成json类型数据，也可以自己手动构造json类型数据
			Map<String,Object> map = new HashMap<String,Object>();
			map.put("name", name);
			map.put("age",age);
			map.put("position", position);
			
			JSONObject json = JSONObject.fromObject(map);//将map对象转换成json类型数据
			msg = json.toString();//给result赋值，传递给页面
		} catch (Exception e) {
			e.printStackTrace();
		}
		return SUCCESS;
	}

}