在 Apache 的 httpclient 上向 HttpPost 添加参数

发布于 2025-01-07 11:20:44 字数 295 浏览 5 评论 0原文

我正在尝试在 HttpPost 对象中设置一些 Http 参数。

HttpPost post=new HttpPost(url);
HttpParams params=new BasicHttpParams();
params.setParameter("param", "value");
post.setParams(params);
HttpResponse response = client.execute(post);

看起来参数根本没有设置。您知道为什么会发生这种情况吗？

谢谢

原文

I am trying to set some Http parameters in the HttpPost object.

HttpPost post=new HttpPost(url);
HttpParams params=new BasicHttpParams();
params.setParameter("param", "value");
post.setParams(params);
HttpResponse response = client.execute(post);

It looks like the parameter is not set at all. Do you have any idea why this is happening?

Thank you

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孤独患者 2025-01-14 11:20:44

对于那些希望使用 HttpGet 找到答案的人，这里有一个（来自 https://stackoverflow.com/a/4660576/330867) :

StringBuilder requestUrl = new StringBuilder("your_url");

String querystring = URLEncodedUtils.format(params, "utf-8");
requestUrl.append("?");
requestUrl.append(querystring);

HttpClient httpclient = new DefaultHttpClient();
HttpGet get = new HttpGet(requestUrl.toString());

注意：这没有考虑 your_url 的状态：如果已经有一些参数，如果已经包含“？”等。我假设您知道如何编码/搜索并将根据您的情况进行调整。

For those who hopes to find the answer using HttpGet, here's one (from https://stackoverflow.com/a/4660576/330867) :

StringBuilder requestUrl = new StringBuilder("your_url");

String querystring = URLEncodedUtils.format(params, "utf-8");
requestUrl.append("?");
requestUrl.append(querystring);

HttpClient httpclient = new DefaultHttpClient();
HttpGet get = new HttpGet(requestUrl.toString());

NOTE: This doesn't take in consideration the state of your_url : if there is already some parameters, if it already contains a "?", etc. I assume you know how to code/search and will adapt regarding your case.

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妥活 2025-01-14 11:20:44

HttpPost httpPost = new HttpPost(url);
List<NameValuePair> nvps = new ArrayList<NameValuePair>();
nvps.add(new BasicNameValuePair("param", "value"));
httpPost.setEntity(new UrlEncodedFormEntity(nvps, HTTP.UTF_8));
httpClient.execute(httpPost);

HttpPost httpPost = new HttpPost(url);
List<NameValuePair> nvps = new ArrayList<NameValuePair>();
nvps.add(new BasicNameValuePair("param", "value"));
httpPost.setEntity(new UrlEncodedFormEntity(nvps, HTTP.UTF_8));
httpClient.execute(httpPost);

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