downloadservlet.java

java+mapxtreme 开发校园房管系统

package com.oyc.mapxtreme.servlet;

import java.io.IOException;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

import com.mapinfo.mapj.MapJ;
import com.oyc.mapxtreme.util.RenderMap;

/**
 * 下载当前的地图图片
 * @author 三峡大学理学院 欧阳超
 *
 */
public class DownloadServlet extends BaseHttpServlet {

	/**
	 * 下载当前地图图片
	 * 
	 */
	public void download(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {

		//取出当前的MapJ对象
		HttpSession session = request.getSession();
		MapJ myMap=(MapJ) session.getAttribute("mapj");
		
		//渲染,输出地图
		RenderMap render = new RenderMap();
		try {
			render.renderMap(myMap, response);
		} catch (Exception e) {
			e.printStackTrace();
		}
	}

}