curl-library
how to use libcurl to post
Date: Sat, 14 Jun 2003 17:51:19 +0800 (CST)
Hi, all
I want to write a program to upload something using HTTP POST, but failed.
here is the source code of html file:
<form action=/ProdSearch/prodsearch.asp?uid=suuszxsswugibgzsmsgsasxww id=form2 method=post name=form2>
<input id=vname onMouseOver=javascript:this.focus()
style="BORDER-RIGHT: #cc6600 1px solid; BORDER-TOP: #cc6600 1px solid; FONT-SIZE: 12px; BORDER-LEFT: #cc6600 1px solid; WIDTH: 75px; BORDER-BOTTOM: #cc6600 1px solid; BACKGROUND-COLOR: #ffffff"
onFocus=javascript:this.select() size=10 value=all
name=vname>
<select
id=kind style="FONT-SIZE: 12px" name=kind>
<option value="" selected>all kinds</option>
<option value=bk>book</option>
<option value=ys>VCD</option>
<option value=mu>music</option>
<option value=gm>game</option>
<option value=rj>software</option>
<option value=zm>store</option>
</select>
<input type=image alt=search
src="http://images.joyo.com/s/search_sousuo1.gif" border=0 name="image2" width="45" height="21">
<a href="/ProdSearch/advsearch.asp?uid=suuszxsswugibgzsmsgsasxww"><img src="http://images.joyo.com/s/sousuo_z020614_01.gif" width="59" height="21" border="0" alt="precise search"></a></td>
and here is my code:
/* Fill in the vname field */
curl_formadd(&formpost,
&lastptr,
CURLFORM_COPYNAME, "vname",
CURLFORM_COPYCONTENTS, "linux",
CURLFORM_END);
/* Fill in the kind field */
curl_formadd(&formpost,
&lastptr,
CURLFORM_COPYNAME, "kind",
CURLFORM_COPYCONTENTS, "",
CURLFORM_END);
curl = curl_easy_init();
/* initalize custom header list (stating that Expect: 100-continue is not
wanted */
headerlist = curl_slist_append(headerlist, buf);
if(curl) {
/* what URL that receives this POST */
curl_easy_setopt(curl, CURLOPT_URL, "http://www.joyo.com.cn/ProdSearch/prodsearch.asp?uid=suuszxsswugibgzsmsgsasxww");
if ( (argc == 2) && (!strcmp(argv[1], "noexpectheader")) )
/* only disable 100-continue header if explicitly requested */
curl_easy_setopt(curl, CURLOPT_HTTPHEADER, headerlist);
curl_easy_setopt(curl, CURLOPT_HTTPPOST, formpost);
res = curl_easy_perform(curl);
/* always cleanup */
curl_easy_cleanup(curl);
/* then cleanup the formpost chain */
curl_formfree(formpost);
/* free slist */
curl_slist_free_all (headerlist);
}
here is the result:
<head><title>Object moved</title></head>
<body><h1>Object Moved</h1>This object may be found here.</body>
what will cause that error? did i use the libcurl correctly? or maybe the server do not allow such request?
thanks in advance for any help.
xiaoniu
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Received on 2003-06-14