查看“LlGetHTTPHeader”的源代码

{{LSL Header|ml=*}}{{LSLC|Keywords}}{{LSLC|Flow Control}}{{LSLC|}}


{{函数详情
|函数名 = Function: string llGetHTTPHeader( key request_id, string header )
|参数= 参数：
*key request_id–A valid HTTP request key.	
*string	header–Lower case header value name.	

|返回值= 返回值：返回一个字符串，该字符串是request_id的头的值。

|注意事项=
注意事项
*在30秒后或者调用llHTTPResponse后，头信息将无法访问。
*不支持自定义标头，只支持规范中列出的标头。
*LSL不是一个CGI环境
**“Content-Type”是一个普通标题名的例子，在CGI环境中，名称应该是“HTTP_CONTENT_TYPE”。
*标题必须是小写的(否则它将不匹配任何内容)。所有头名称在接收时都转换成小写。
*当提出请求时…
**URL的路径部分必须以正斜杠作为前缀
***好:https://sim3015.aditi.lindenlab.com:12043/cap/a7717681-2c04-e4ac-35e3-1f01c9861322/foo
***缺点:https://sim3015.aditi.lindenlab.com:12043/cap/a7717681-2c04-e4ac-35e3-1f01c9861322foo
**为了使用查询字符串，必须包含一个路径(即使只是一个斜杠)
***好:https://sim3015.aditi.lindenlab.com:12043/cap/a7717681-2c04-e4ac-35e3-1f01c9861322/?arg=gra
***缺点:https://sim3015.aditi.lindenlab.com:12043/cap/a7717681-2c04-e4ac-35e3-1f01c9861322?arg=gra

|示例=
<pre>
key url_request;
 
default
{
    state_entry()
    {
        url_request = llRequestURL();
    }
 
    http_request(key id, string method, string body)
    {
        if (url_request == id)
        {
        //  if you're usually not resetting the query ID
        //  now is a good time to start!
            url_request = "";
 
            if (method == URL_REQUEST_GRANTED)
            {
                llOwnerSay("URL: " + body);
 
                key owner = llGetOwner();
                vector ownerSize = llGetAgentSize(owner);
 
                if (ownerSize)//  != ZERO_VECTOR
                    llLoadURL(owner, "I got a new URL!", body);
            }
 
            else if (method == URL_REQUEST_DENIED)
                llOwnerSay("Something went wrong, no url:\n" + body);
        }
 
        else
        {
            list headerList = ["x-script-url",
                            "x-path-info", "x-query-string",
                            "x-remote-ip", "user-agent"];
 
            integer index = -llGetListLength(headerList);
            do
            {
                string header = llList2String(headerList, index);
                llOwnerSay(header + ": " + llGetHTTPHeader(id, header));
            }
            while (++index);
 
            llOwnerSay("body:\n" + body);
            llHTTPResponse(id, 200, body);
        }
    }
}
</pre>

|相关函数=	
[[llGetFreeURLs]]
[[llRequestURL]]		
[[llRequestSecureURL]]			
[[llReleaseURL]]	
[[llHTTPResponse]]			

|相关事件=
[[http_request]]

}}