SpringMVC 异步 数据返回后台模型

package com.anialy.project.springmvc.controller; import java.io.IOException; import java.io.PrintWriter; import javax.servlet.http.HttpServletResponse; import org.springframework.web.servlet.mvc.multiaction.MultiActionController; import com.google.gson.Gson; public class SpringMVCBaseController extends MultiActionController { private static Gson gson = new Gson(); /** * 以文本形式下发数据 * @param response * @param responseText */ protected void responseOutWithText(HttpServletResponse response, String responseText) { response.setCharacterEncoding("UTF-8"); response.setContentType("text/html"); PrintWriter out = null; try { out = response.getWriter(); out.println(responseText); out.close(); logger.debug("下发的数据是"); logger.debug(responseText); } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } finally { if (out != null) { out.close(); } } } /** * 以JSON格式输出 * @param response */ protected void responseOutWithJson(HttpServletResponse response, Object obj) { response.setCharacterEncoding("UTF-8"); response.setContentType("application/json; charset=utf-8"); PrintWriter out = null; try { out = response.getWriter(); String responseJsonStr = gson.toJson(obj); out.append(responseJsonStr); logger.debug("下发的数据是"); logger.info(responseJsonStr); } catch (IOException e) { e.printStackTrace(); } finally { if (out != null) { out.close(); } } } }