01.前端

提交

02.JAVA后台

package my;import java.io.IOException;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.JSONObject;
import com.alibaba.fastjson.serializer.SerializerFeature;/*** Servlet implementation class Query*/
@WebServlet("/Query")
public class Query extends HttpServlet {private static final long serialVersionUID = 1L;/*** @see HttpServlet#HttpServlet()*/public Query() {super();// TODO Auto-generated constructor stub}/*** @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)*/protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {// TODO Auto-generated method stub//response.getWriter().append("Served at: ").append(request.getContextPath());//response.getWriter().write("aa");}/*** @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)*/protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {// TODO Auto-generated method stub//doGet(request, response);String id=request.getParameter("id");String name=request.getParameter("name");String sex=request.getParameter("sex");String phone=request.getParameter("phone");Student stu=new Student();stu.setId(Integer.valueOf(id));stu.setName(name);stu.setSex(Boolean.valueOf(sex));stu.setPhone(phone);System.out.println(stu.getId()+","+stu.getName()+","+stu.getSex()+","+stu.getPhone());JSONObject obj=new JSONObject();obj.put("error", 0);String str=JSON.toJSONString(obj, SerializerFeature.PrettyFormat);response.setContentType("application/json");response.setCharacterEncoding("UTF-8");response.getWriter().write(str);}}

03.eclipse创建项目

WebRoot\WEB-INF\classes

WebRoot