JSP中如何获取请求其他页面的源页面
我有一个表单
<form name=frmMain method="POST" action="processUpload.jsp" enctype="multipart/form-data">
<p align="center"><table border="1" align="center" width="90%" cellspacing="0" bordercolordark="white" bordercolorlight="black">
<tr>
<td width="261" height="111">
<table border="0" cellspacing="0px" bordercolor="#B9B9B9" id="AutoNumber1" style="border-collapse: collapse" cellpadding="0px" align="left" width="100%" height="114">
<tr>
<td width="264" height="25" colspan="2" bgcolor="#FCDCA0">
<p align="left"><b><font face="Tahoma" size="2"> </font><font face="Tahoma">Upload you excel file</font></b></p>
</td>
</tr>
<tr>
<td width="15px" height="23">
<p align="right" style="vertical-align: middle"><font face="Verdana" size="2"><b> File: </b></font> </td>
<td width="300px" height="23">
<p align="left"> <input type="file" name="excelfile" size="40" >
</td>
</tr>
<tr>
<td width="15px" height="28">
<p align="center"></td>
<td height="28">
<p align="left">
<input type="submit" name="process" value="Process">
</td>
</tr>
</table>
</td>
</tr>
</table>
</form>
，我将此表单提交到 proccessUpload.jsp 在 processUpload.jsp 中，我上传文件，上传文件完成后，我想重定向到包含表单的源页面。
问题：我想让这个 processUpload.jsp 通用，这意味着我将在其他 Web 应用程序中重用它。无论哪个页面向该 jsp 页面发出请求，我都会获得源页面的确切名称。
任何建议或解决方案。提前致谢。
内森·潘
I have a form
<form name=frmMain method="POST" action="processUpload.jsp" enctype="multipart/form-data">
<p align="center"><table border="1" align="center" width="90%" cellspacing="0" bordercolordark="white" bordercolorlight="black">
<tr>
<td width="261" height="111">
<table border="0" cellspacing="0px" bordercolor="#B9B9B9" id="AutoNumber1" style="border-collapse: collapse" cellpadding="0px" align="left" width="100%" height="114">
<tr>
<td width="264" height="25" colspan="2" bgcolor="#FCDCA0">
<p align="left"><b><font face="Tahoma" size="2"> </font><font face="Tahoma">Upload you excel file</font></b></p>
</td>
</tr>
<tr>
<td width="15px" height="23">
<p align="right" style="vertical-align: middle"><font face="Verdana" size="2"><b> File: </b></font> </td>
<td width="300px" height="23">
<p align="left"> <input type="file" name="excelfile" size="40" >
</td>
</tr>
<tr>
<td width="15px" height="28">
<p align="center"></td>
<td height="28">
<p align="left">
<input type="submit" name="process" value="Process">
</td>
</tr>
</table>
</td>
</tr>
</table>
</form>
I submit this form to prcessUpload.jsp
in processUpload.jsp I do upload file, when upload file is finished, I want to redirect to source page which contains the form.
Problem: I want to make this processUpload.jsp generic, means I will reuse it in other web application. whatever page make a request to this jsp page, I will have the exact name of the source page.
any suggestions or solutions. Thanks in advance.
NathanPhan
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我会在表单中的 URL 中添加一个隐藏参数，告诉
uploadFile.jsp完成后返回到哪里。您需要向uploadFile页面添加一个按钮或一些 JavaScript，以便在适当的时间发生这种情况。另一种选择是 JSP 从某个服务器端配置文件中获取重定向位置；例如，通过 servlet 上下文参数。
I would add a hidden argument to the URL in the form that tells the
uploadFile.jspwhere to go back to when it is done. You'd need to add a button or some javascript to theuploadFilepage to make this happen at the appropriate time.Another option would be for the JSP to pick up the redirect location from some a server-side configuration file; e.g. via the servlet context parameters.