怎么在AJAX中利用Servlet处理数据并显示
今天就跟大家聊聊有关怎么在AJAX中利用Servlet处理数据并显示,可能很多人都不太了解,为了让大家更加了解,小编给大家总结了以下内容,希望大家根据这篇文章可以有所收获。
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一、写前台jsp页面index.jsp
<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>My JSP 'index.jsp' starting page
二、写后台Servlet加random随机数,关键代码如下:
public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { request.setCharacterEncoding("utf-8"); //用utf-8转换获得传输过来的码 response.setContentType("text/html"); PrintWriter out = response.getWriter(); String txt = request.getParameter("txt"); // String tx = new String(txt.getBytes("iso-8859"),"utf-8"); out.print("txt="+txt+Math.random()); out.flush(); out.close(); } /** * The doPost method of the servlet.
* * This method is called when a form has its tag value method equals to post. * * @param request the request send by the client to the server * @param response the response send by the server to the client * @throws ServletException if an error occurred * @throws IOException if an error occurred */ public void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { request.setCharacterEncoding("utf-8"); response.setContentType("text/html;charset=UTF-8"); PrintWriter out = response.getWriter(); String username = request.getParameter("username"); // String txt = new String(username.getBytes("ISO-8859-1"),"UTF-8"); String txt = new String(username); out.print("txt="+txt+":"+Math.random()); out.flush(); out.close(); }
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