如何从jsp中的超链接调用doPost（）servlet

Question

How can I call a servlet from jsp ? 如何从jsp调用servlet ？ But in this case, I prefer to use doPost() method than doGet() . 但在这种情况下，我更喜欢使用doPost()方法而不是doGet() 。

this is my code: 这是我的代码：

view.jsp view.jsp的

<%@ page contentType="text/html;charset=UTF-8" language="java" import="DSIP.*" import="java.util.ArrayList" %>
<html>
<head>
    <meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
    <title>DSIP.View</title>
</head>

<body>
<jsp:useBean id="ipList" scope="application" class="DSIP.IPBeanMapper"/>
<jsp:useBean id="bean" scope="application" class="DSIP.IPBean"/>
<form name="form1" method="post" action="viewS">
    <table width="" border="">
        <tr bgcolor="#0099FF">
            <td width="90"><div align="center">ip</div></td>
            <td width="90"><div align="center">username</div></td>
            <td width="90"><div align="center">password</div></td>
            <td width="90"><div align="center">maxRetry</div></td>
            <td width="90"><div align="center">action</div></td>
        </tr>
        <%
            ArrayList<IPBean> list;
            list = ipList.getIPList();
            for (int i = 0; i < list.size(); i++){
                bean = list.get(i);
        %>
        <tr>
            <td><input name="ip"        type="text" size="15" value="<%=list.get(i).getIp()%>"></td>
            <td><input name="userName"  type="text" size="15" value="<%=bean.getUserName()%>"></td>
            <td><input name="password"  type="text" size="15" value="<%=bean.getPassword()%>"></td>
            <td><input name="maxRetry"  type="text" size="15" value="<%=bean.getMaxRetry()%>"></td>
            <td><a href="/ViewS?action=edit">edit</a> <a href="/ViewS?action=delete">delete</a>

            </td>
        </tr>
        <%
            }
        %>
    </table>
    <input type="submit" name="Submit" value="Submit">

</form>
</body>
</html>

I intend to call a servlet class (called ViewS ) from this page using link (edit n delete). 我打算使用link（edit n delete）从这个页面调用一个servlet类（称为ViewS ）。 I want to make some filed in a specific row being editable when I click edit and store the values into a database. 当我单击编辑并将值存储到数据库中时，我想让某些特定行中的某些字段可编辑。

and, I want to delete the record in database also record view in jsp when I cleck delete. 并且，我想删除数据库中的记录，当我cleck删除时，在jsp中记录视图。

So please, somebody help me. 所以，请有人帮助我。

I've tried to use <a href="/ViewS?action=edit">edit</a> , but I know this call doGet() . 我曾尝试使用<a href="/ViewS?action=edit">edit</a> ，但我知道这个调用doGet() 。

Thank you very much for helping me. 非常感谢你帮助我。

Answer 1

You need to call a javascript function on click of link and from javascript you need to submit the form that will generate a HTTP POST 您需要在点击链接时调用javascript函数，并且需要从javascript提交将生成HTTP POST的表单

function submitMyForm(){
 document.forms["yourFormId"].submit();
}

Or you could make a AJAX call to your servlet 或者你可以对你的servlet进行AJAX调用

Answer 2

AJAX will be the best option for you. AJAX将是您的最佳选择。 Make an AJAX call from the onClick() method of the <a> 从<a>的onClick()方法进行AJAX调用

如何从jsp中的超链接调用doPost（）servlet

问题描述

2 个解决方案

解决方案1
3 已采纳 2012-07-02 04:01:20

解决方案2
1 2012-07-02 04:07:09

如何从jsp中的超链接调用doPost（）servlet

问题描述

2 个解决方案

解决方案1 3 已采纳 2012-07-02 04:01:20

解决方案2 1 2012-07-02 04:07:09

解决方案1
3 已采纳 2012-07-02 04:01:20

解决方案2
1 2012-07-02 04:07:09