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jQuery?Java Servlet??AJAX???????

???????????jQuery??Java Servlet?????????????????????????

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???????????HTML????????????

• ??????????????
• ????????AJAX??
• ??????????????????

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??????Java Servlet??????????

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package com.syrdbt.system.servlet;
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 java.io.IOException;
@WebServlet("/TestAjaxServlet")
public class TestAjaxServlet extends HttpServlet {
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        request.setCharacterEncoding("utf-8");
        String name = request.getParameter("info");
        System.out.println("?????? " + name);
        
        if(name.equals("abc")) {
            response.getWriter().print("success");
        } else {
            response.getWriter().print("failed");
        }
    }
    
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        doGet(request, response);
    }
}

??????

$(function() {
    $("#search").click(function() {
        var value = $("#info").val();
        $.ajax({
            type: 'POST',
            url: "TestAjaxServlet",
            data: "info=" + value,
            success: function(result) {
                $("#show").html(result);
            }
        });
    });
});

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??????????????????????????????HTML???????????????

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