Json+ajax简单实例

package servlet; import java.io.IOException; 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 Json.Tools; import entity.Emp; public class JsonServlet extends HttpServlet { @Override protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException { resp.setCharacterEncoding("UTF-8"); List<Emp> list = new ArrayList<Emp>(); list.add(new Emp(2, "李四", 19)); list.add(new Emp(3, "李四", 19)); list.add(new Emp(4, "李四", 19)); list.add(new Emp(5, "李四", 19)); list.add(new Emp(6, "李四", 19)); String json = Tools.ObjectToJson(list); resp.getWriter().write(json); } }