</tr>
<tr align="center" valign="bottom">
<td height="21" colspan="2"> <input type="submit" name="Submit" value="登录">
<a href="reg.jsp" target="_blank">没有注册</a> </td>
</tr>
<tr align="center">
<td colspan="2" class="font14"><strong><a href="#" onclick="MM_openBrWindow('requestpwd.jsp','pwd','width=300,height=200');return false;">找回密码</a></strong></td>
</tr>
<input name="url" type="hidden" value="<%=url%>">这里要有个hidden来保存一下，不然提交就没了
</form>
</table>
</td>
</tr>
</table>
<%
}
%>
myRedirect.java
package com.util;
import javax.servlet.http.HttpServletRequest;
import java.util.Enumeration;
public class myRedirect //对url的转换类
{
public static String dealurl(HttpServletRequest request)
{
String url = "";
url = request.getRequestURL()+"?";
url +=param(request);
if(url.indexOf("&")>-1)
url=url.replaceAll("&","@#@");//实际上就是把有&的字符转化成了@#@
return url;
}
public static String geturl(String url)//这个是还原方法
{
if(url.indexOf("@#@")>-1)
url=url.replaceAll("@#@","&");
return url;
}
public static String param(HttpServletRequest request)
{
String url = "";
Enumeration param = request.getParameterNames();//得到所有参数名
while(param.hasMoreElements())
{
String pname = param.nextElement().toString();
url += pname+"="+request.getParameter(pname)+"&";
}
if(url.endsWith("&"))
{
url = url.substring(0,url.lastIndexOf("&"));
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