仅在JSP中单击按钮时运行脚本 [英] Run script only on button click in JSP

问题描述

我是JSP的新手，我似乎无法弄清楚仅当用户单击按钮时如何运行代码.这是我的代码:

Iam new to JSP and i can't seem to figure out how to run code only when the user clicks on the button..here's my code:

$

<form action="list_computers.jsp" method="post">                


        Search:
<input type="text" name="FromTextBox1"/>

<input type="submit" value="Search it!" >
   <%

        String TheSearch = (String)request.getParameter("FromTextBox1"); 

        String GetIt = Searcher(TheSearch);

        out.println(GetIt);

   %>
</form>

Searcher()是我在此之上声明的一个函数.任何帮助将不胜感激.

The Searcher() is a function i declared above this. Any help would be really appreciated.

推荐答案

您需要使用javascript来检查onclick事件，这是使用JQuery的一个小示例

you need to use javascript to check for the onclick event here's a little example with JQuery

 $("input[type='submit']").click(function(){
      //do your thing
      // use event.preventDefault(); to stop submission if need
 });

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