如何从servlet页面中的ajax请求获取数据? [英] How to get the data from ajax request in servlet page?
问题描述
如何从servlet页面中的ajax请求中获取数据。这里我通过 $ .ajax
调用servlet。
How to get the data from ajax request in servlet page. Here I'm calling the servlet by $.ajax
.
var dataRequestObject= {};
dataRequestObject= {Username:uname,Password:pword,Domain:domain,WindowsUser:windowsuser};
var dataRequestHeader= {};
dataRequestHeader= {Username:uname,Password:pword,Domain:domain,WindowsUser:windowsuser};
$.ajax({
type:'POST',
url:'http://localhost:8090/SampleServlet1/serv', //calling servlet
cache:false,
header:dataRequestHeader,
data:dataRequestObject,
success:function(){ alert("Request Done");},
error:function(xhr,ajaxOptions){
alert(xhr.status + " :: " + xhr.statusText);
}
});
我在setvlet页面中需要这些数据和标题。
I need those data and header in setvlet page.
推荐答案
首先,标题
选项无效。它必须是标题
。另请参阅 jQuery.ajax()
文档。
First, the header
option is invalid. It needs to be headers
. See also the jQuery.ajax()
documentation.
您可以使用 HttpServletRequest#getHeader()
。
You can get the individual request headers by their name using HttpServletRequest#getHeader()
.
String headerUsername = request.getHeader("Username");
String headerPassword = request.getHeader("Password");
String headerDomain = request.getHeader("Domain");
String headerWindowsUser = request.getHeader("WindowsUser");
// ...
您可以使用<名称获取各个请求参数a href =http://download.oracle.com/javaee/6/api/javax/servlet/ServletRequest.html#getParameter%28java.lang.String%29 =nofollow> HttpServletRequest#getParameter()
。
You can get the individual request parameters by their name using HttpServletRequest#getParameter()
.
String paramUsername = request.getParameter("Username");
String paramPassword = request.getParameter("Password");
String paramDomain = request.getParameter("Domain");
String paramWindowsUser = request.getParameter("WindowsUser");
// ...
我不知道复制数据有多大用处标题和参数......
I however wonder how useful it is to duplicate the data over headers and parameters...
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