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我有一个带有网络表单的网页。我基本上是一个输入字段和一个选择器，但有几个隐藏字段。我需要向这个页面发送一个 POST 请求（这基本上是一个搜索页面）。我将请求构造如下：

HttpClient httpClient = new DefaultHttpClient();
HttpConnectionParams.setConnectionTimeout(httpClient.getParams(), 10000);
HttpConnectionParams.setSoTimeout(httpClient.getParams(), 10000);
HttpPost httpPost = new HttpPost("http://www3.u-szeged.hu/kereses_terem.ivy");
httpPost.setHeader("Content-Type", "multipart/form-data");
httpPost.setHeader("name", "search-terem");             

List<NameValuePair> nameValuePairs = new ArrayList<NameValuePair>();  
nameValuePairs.add(new BasicNameValuePair("qsearch", "601"));  
nameValuePairs.add(new BasicNameValuePair("medium-subtype", "meta-KOD"));
//and a lot of other parameters, please read on
httpPost.setEntity(new UrlEncodedFormEntity(nameValuePairs));
HttpResponse response = httpClient.execute(httpPost);

我已经用 Fiddler2 捕获了发送的请求，这是原始请求：

POST **************** HTTP/1.1
Content-Type: multipart/form-data
name: search-terem
Content-Length: 760
Host: ****************
Connection: Keep-Alive
User-Agent: Apache-HttpClient/UNAVAILABLE (java 1.4)

qsearch=601&medium-subtype=meta-KOD&meta-KOD=&meta-CIM=&num=20&root-id=epulet&relation-types=child+vchild&medium-type=meta&object-types=etr_epulet&result-order=caption&result-order-direction=ASC&pageloader.preexecute=%09%2Fivy%2Fiem-shared%2Fsystem%2Fgems%2Fform-cye%2Fform-engine.xslt&request.formXML=%25webroot%25%2Fxml%2Fforms%2Fusz-search-terem.xml&request.formAPage=%09start&request.form-save-id=epulet&request.form-save-type=col&request.form-save-enabled=true&request.form-instance=2F58DD5D-BFCC-43A4-9B0C-0BC7BF887242&request.form-save-to-instance=false&request.form-redirect-to=kereses_terem.ivy&request.form-language=hu-HU&request.form-save-language=hu-HU&request.instance-id=2F58DD5D-BFCC-43A4-9B0C-0BC7BF887242&request.formPage=--finish--&cmd=submit

如果在浏览器中发送表单，这是发送的请求：

POST http://www3.u-szeged.hu/object.epulet.ivy HTTP/1.1
Host: www3.u-szeged.hu
Connection: keep-alive
Content-Length: 3033
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8
Origin: http://www3.u-szeged.hu
User-Agent: Mozilla/5.0 (Windows NT 6.3; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/30.0.1599.101 Safari/537.36
Content-Type: multipart/form-data; boundary=----WebKitFormBoundaryuiCLY3ISz0tLmrvg
Referer: http://www3.u-szeged.hu/object.epulet.ivy
Accept-Encoding: gzip,deflate,sdch
Accept-Language: hu-HU,hu;q=0.8,en-US;q=0.6,en;q=0.4
Cookie: ivy:state-id:persistent=c9581db3-7a49-4e39-9130-3635b491385b; ivy:state-id:session=271fb66f-9579-4f13-a5b6-56c81dea4206

------WebKitFormBoundaryuiCLY3ISz0tLmrvg
Content-Disposition: form-data; name="meta-KOD"


------WebKitFormBoundaryuiCLY3ISz0tLmrvg
Content-Disposition: form-data; name="meta-CIM"


------WebKitFormBoundaryuiCLY3ISz0tLmrvg
Content-Disposition: form-data; name="num"

20
//and so on

这显然不一样，因此服务器以 0 结果响应。我怎样才能发送这样的 POST 请求？谢谢！

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