HttpClient Post提交实例

本文展示了一个使用Apache HttpClient库进行POST请求的基本示例,包括设置URL、参数、请求主体和响应处理。

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package cn.com.zhang.httpClientMy;

import org.apache.commons.httpclient.DefaultHttpMethodRetryHandler;
import org.apache.commons.httpclient.HttpClient;
import org.apache.commons.httpclient.NameValuePair;
import org.apache.commons.httpclient.methods.PostMethod;
import org.apache.commons.httpclient.params.HttpMethodParams;

public class HttpTest {

	public static String post() {
		HttpClient httpClient = new HttpClient();
		String url = "http://haoma.imobile.com.cn/index.php";
		NameValuePair nameValuePair = new NameValuePair("mob", "1364321");
		PostMethod postMethod = new PostMethod(url);
		postMethod.getParams().setParameter(HttpMethodParams.RETRY_HANDLER, new DefaultHttpMethodRetryHandler());
		try {
			postMethod.setRequestBody(new NameValuePair[] { nameValuePair });
			int status = httpClient.executeMethod(postMethod);

			if (status != 200) {
				return null;
			}
			String content = "";
			content = postMethod.getResponseBodyAsString();

			if (content != null) {
				System.out.println("========服务器返回内容======");
				System.out.println(content);
			}
			return content;
		} catch (Exception e) {
			e.printStackTrace();
			return null;
		} finally {
			postMethod.releaseConnection();

		}
	}

	public static void main(String[] args) {
		post();
	}

}

您好,以下是使用 HttpClient 进行 post 请求传参的示例: ``` import java.io.IOException; import java.net.URI; import java.util.ArrayList; import java.util.List; import org.apache.http.NameValuePair; import org.apache.http.client.entity.UrlEncodedFormEntity; import org.apache.http.client.methods.HttpPost; import org.apache.http.impl.client.HttpClientBuilder; import org.apache.http.message.BasicNameValuePair; import org.apache.http.client.HttpClient; import org.apache.http.client.utils.URIBuilder; import org.apache.http.impl.client.CloseableHttpClient; import org.apache.http.impl.client.HttpClients; import org.apache.http.client.methods.CloseableHttpResponse; import org.apache.http.util.EntityUtils; public class Example { public static void main(String[] args) { CloseableHttpClient httpClient = HttpClients.createDefault(); try { URIBuilder builder = new URIBuilder("https://example.com/api"); List<NameValuePair> params = new ArrayList<NameValuePair>(); params.add(new BasicNameValuePair("param1", "value1")); params.add(new BasicNameValuePair("param2", "value2")); URI uri = builder.build(); HttpPost request = new HttpPost(uri); request.setEntity(new UrlEncodedFormEntity(params)); CloseableHttpResponse response = httpClient.execute(request); try { int statusCode = response.getStatusLine().getStatusCode(); String responseBody = EntityUtils.toString(response.getEntity()); System.out.println(statusCode); System.out.println(responseBody); } finally { response.close(); } } catch (Exception e) { System.err.println(e); } finally { try { httpClient.close(); } catch (IOException e) { System.err.println(e); } } } } ```
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