package com.jeesuite.admin.util; import java.io.IOException; import java.io.PrintWriter; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; public class WebUtils { public static boolean isAjax(HttpServletRequest request){ return (request.getHeader("X-Requested-With") != null && "XMLHttpRequest".equals(request.getHeader("X-Requested-With").toString())) ; } public static void responseOutWithJson(HttpServletResponse response,String json) { //将实体对象转换为JSON Object转换 response.setCharacterEncoding("UTF-8"); response.setContentType("application/json; charset=utf-8"); PrintWriter out = null; try { out = response.getWriter(); out.append(json); } catch (IOException e) { e.printStackTrace(); } finally { if (out != null) { out.close(); } } } }