Jsp作前端，Servlet作后端，测试Ajax
1 Jsp部分：
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1 Servlet部分：
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3 @WebServlet("/search")
4 public class searchServlet extends HttpServlet {
5 private static final long serialVersionUID = 1L;
6
7 //get请求方式也传递给post处理
8 protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
9 doPost(request, response);
10 }
11
12 protected void doPost(HttpServletRequest request,HttpServletResponse response) throws ServletException,IOException {
13 //避免出现编码紊乱，统一使用utf-8
14 request.setCharacterEncoding("utf-8");
15 response.setContentType("text/html; charset=utf-8");
16 //获取从跳转页面得到的内容
17 String name = request.getParameter("name");
18 PrintWriter out = response.getWriter();
19
20 //这里假设验证 silly 为已存在, 若需要测试实际数据，则可通过jdbc操作从数据库中查找
21 if(name.equals("silly")) {
22 //给Ajax反馈信息
23 out.print("yes");
24 }else {
25 out.print("no");
26 }
27 }
28 }