22-ajax-源代码.rar

package com.itheima.ajax02; import java.io.IOException; import javax.servlet.ServletException; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; public class AjaxServlet2 extends HttpServlet { protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { request.setCharacterEncoding("UTF-8"); String name = request.getParameter("name"); String age = request.getParameter("age"); System.out.println(name+" "+age); //java代码只能返回一个json格式的字符串 response.setContentType("text/html;charset=UTF-8"); response.getWriter().write("{\"name\":\"汤姆\",\"age\":21}"); } protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { doGet(request, response); } }