如何在不提交表单的情况下使用ajax将数据发送到servlet_随笔

如何在不提交表单的情况下使用ajax将数据发送到servlet

您可以在此处使用$ .ajax（）或$ .post。因为您已使用$ .ajax（）。请参考以下更正：

<!DOCTYPE html><html lang="en"><head>    <title>SO question 4112686</title>    <script src="http://pre.jquery.com/jquery-latest.min.js"></script>    <script>        $(document).ready(function() {  $('#somebutton').click(function() {         $.get('GetUserServlet', function(responseText) {          $('#somediv').text(responseText);  }); });        });        $("#somebutton").click(function(){         $.ajax({ url:'GetUserServlet', data:{name:'abc'}, type:'get', cache:false, success:function(data){    alert(data);    $('#somediv').text(responseText);  }, error:function(){   alert('error'); }         }    );});    </script></head><body>    <button id="somebutton">press here</button>    <div id="somediv"> </div></body>

并且您的servlet应该是：

import java.io.IOException;import java.io.PrintWriter;import javax.servlet.*;import javax.servlet.http.*;public class GetUserServlet extends HttpServlet {  public void doGet(HttpServletRequest request, HttpServletResponse response)  throws ServletException, IOException {    doPost(request, response);  }  public void doPost(HttpServletRequest request, HttpServletResponse response)  throws ServletException, IOException {    String text = "Update successfull"; //message you will recieve     String name = request.getParameter("name");    PrintWriter out = response.getWriter();    out.println(name + " " + text);  }

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如何在不提交表单的情况下使用ajax将数据发送到servlet

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