崔希凡JavaWeb视频教程_day23_ajax登录验证

package cn.itcast.web.servlet; import java.io.IOException; import java.io.PrintWriter; import javax.servlet.ServletException; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; public class AServlet extends HttpServlet { public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { System.out.println("HELLO AJAX!"); response.getWriter().print("hello ajax"); } public void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { response.setContentType("text/html;charset=utf-8"); request.setCharacterEncoding("UTF-8"); String username = request.getParameter("username"); System.out.println("Post£º£ºHELLO AJAX!" + username); response.getWriter().print("Post£º£ºhello ajax" + username); } }