javascript 如何在jsp中获取包含多个参数的URL的完整路径
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how to get full path of URL including multiple parameters in jsp
提问by lata
Suppose
URL: http:/localhost:9090/project1/url.jsp?id1=one&id2=two&id3=three
假设
网址： http://localhost:9090/project1/url.jsp?id1=one&id2=two&id3=three
<%
String str=request.getRequestURL()+"?"+request.getQueryString();
System.out.println(str);
%>
with this i get the output http:/localhost:9090/project1/url.jsp?id1=one
有了这个，我得到了输出 http:/localhost:9090/project1/url.jsp?id1=one
but with this i am able to retrieve only 1st parameter(i.e id1=one) not other parameters
但是有了这个，我只能检索第一个参数（即 id1=one）而不是其他参数
but if i use javascript i am able to retrieve all parameters
但如果我使用 javascript 我可以检索所有参数
function a()
{
$('.result').html('current url is : '+window.location.href );
}
html:
html：
<div class="result"></div>
i want to retrieve current URL value to be used in my next page but i don't want to use sessions
我想检索要在下一页中使用的当前 URL 值，但我不想使用会话
using any of above two method how do i retrieve all parameters in jsp?
使用上述两种方法中的任何一种如何检索jsp中的所有参数？
thanks in advance
提前致谢
采纳答案by Bhushan
I think this is what you are looking for..
我想这就是你要找的..
String str=request.getRequestURL()+"?";
Enumeration<String> paramNames = request.getParameterNames();
while (paramNames.hasMoreElements())
{
String paramName = paramNames.nextElement();
String[] paramValues = request.getParameterValues(paramName);
for (int i = 0; i < paramValues.length; i++)
{
String paramValue = paramValues[i];
str=str + paramName + "=" + paramValue;
}
str=str+"&";
}
System.out.println(str.substring(0,str.length()-1)); //remove the last character from String
回答by Gabriel Glenn
Given URL = http:/localhost:9090/project1/url.jsp?id1=one&id2=two&id3=three
给定 URL = http://localhost:9090/project1/url.jsp?id1=one&id2=two&id3=three
request.getQueryString();
Should indeed return id1=one&id2=two&id3=three
确实应该返回 id1=one&id2=two&id3=three
See HttpServletRequest.getQueryString JavaDoc
参见HttpServletRequest.getQueryString JavaDoc
I once face the same issue, It's probably due to the some testing procedure failure. If it happens, test in a clear environment : new browser window, etc.
我曾经遇到过同样的问题，这可能是由于某些测试程序失败。如果发生这种情况，请在清晰的环境中进行测试：新的浏览器窗口等。
Bhushan answer is not equivalent to getQueryString, as it decode parameters values !
Bhushan 的答案不等同于 getQueryString，因为它解码参数值！
