Jquery-json-gson案例

package servlet; import java.io.IOException; import java.io.PrintWriter; import java.util.ArrayList; import java.util.List; import javax.servlet.ServletException; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import com.google.gson.Gson; import vo.Person; public class ListPersonServlet extends HttpServlet { /** * The doGet method of the servlet. <br> * * This method is called when a form has its tag value method equals to get. * * @param request * the request send by the client to the server * @param response * the response send by the server to the client * @throws ServletException * if an error occurred * @throws IOException * if an error occurred */ public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { doPost(request, response); } /** * The doPost method of the servlet. <br> * * This method is called when a form has its tag value method equals to * post. * * @param request * the request send by the client to the server * @param response * the response send by the server to the client * @throws ServletException * if an error occurred * @throws IOException * if an error occurred */ public void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { Person p = new Person(); p.setAddress("湖北襄阳"); p.setAge(18); p.setUname("张三"); Person p2 = new Person(); p2.setAddress("湖北武汉"); p2.setAge(12); p2.setUname("李四"); List<Person> list=new ArrayList(); list.add(p); list.add(p2); Gson gson=new Gson(); String ps=gson.toJson(list); response.setContentType("application/json;charset=utf-8"); response.setHeader("pragma","no-cache"); response.setHeader("cache-control","no-cache"); PrintWriter out=response.getWriter(); out.print(ps); out.flush(); out.close(); } }