先导入所需的jar包，pom.xml
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<dependency>
<groupId>org.apache.commons</groupId>
<artifactId>commons-lang3</artifactId>
<version>3.7</version><!--$NO-MVN-MAN-VER$-->
</dependency>
<dependency>
<groupId>org.apache.httpcomponents</groupId>
<artifactId>httpclient</artifactId>
<version>4.5.2</version><!--$NO-MVN-MAN-VER$-->
</dependency>
<dependency>
<groupId>io.jsonwebtoken</groupId>
<artifactId>jjwt</artifactId>
<version>0.9.0</version>
</dependency>
写一个工具类 HttpUtil
package cn.nintendoswitch.user.api.boot.common.util; import java.util.ArrayList; import java.util.List; import java.util.Map; import org.apache.http.Header; import org.apache.http.HttpResponse; import org.apache.http.HttpStatus; 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.CloseableHttpClient; import org.apache.http.impl.client.HttpClientBuilder; import org.apache.http.message.BasicNameValuePair; import org.apache.http.util.EntityUtils; import org.apache.http.HttpHost; import org.apache.http.client.config.RequestConfig; import org.apache.http.impl.client.HttpClients; public class HttpUtil { public static String doPost(String url, Header[] headers, Map<String, Object> paramMaps) { String result = null; HttpPost httpPost = new HttpPost(url); HttpClientBuilder httpClientBuilder = HttpClientBuilder.create(); CloseableHttpClient closeableHttpClient = httpClientBuilder.build(); try { httpPost.setHeaders(headers); List<NameValuePair> pairList = new ArrayList<>(); for (Map.Entry<String, Object> entry : paramMaps.entrySet()) { String key = entry.getKey(); String value = (String) entry.getValue(); pairList.add(new BasicNameValuePair(key, value)); } UrlEncodedFormEntity urlEntity = new UrlEncodedFormEntity(pairList, "UTF-8"); httpPost.setEntity(urlEntity); HttpResponse resp = closeableHttpClient.execute(httpPost); if (resp.getStatusLine().getStatusCode() == HttpStatus.SC_OK) { result = EntityUtils.toString(resp.getEntity(), "UTF-8").trim(); } } catch (Exception e) { throw new RuntimeException("HTTP post failed.", e); } finally { httpPost.abort(); try { closeableHttpClient.close(); } catch (Exception e2) { throw new RuntimeException("Close CloseableHttpClient failed.", e2); } } return result; }
// 使用代理服务器IP 请求出去
public static String doHttpsPost(String url, Header[] headers, Map<String, Object> paramMaps) {
// 设置代理
HttpHost proxy = new HttpHost(代理IP, 端口号, "http");
RequestConfig defaultRequestConfig = RequestConfig.custom().setProxy(proxy).build();
String result = null;
CloseableHttpClient httpClient = null;
HttpPost httpPost = new HttpPost(url);
try {
httpPost.setHeaders(headers);
httpPost.setEntity(httpEntity);
httpClient = HttpClients.custom().setDefaultRequestConfig(defaultRequestConfig).build();
HttpResponse resp = httpClient.execute(httpPost);
result = EntityUtils.toString(resp.getEntity(), "UTF-8").trim();
} catch (Exception e) {
throw new RuntimeException("HTTP Post failed.", e);
} finally {
httpPost.abort();
try {
httpClient.close();
} catch (IOException e) {
throw new RuntimeException("Close CoseabledHttpClient failed.", e);
}
}
return result;
}
}
写个测试调用方法：
package cn.nintendoswitch.user.api.boot.controller; import java.util.HashMap; import java.util.Map; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import org.apache.http.Header; import org.apache.http.message.BasicHeader; import org.springframework.http.MediaType; import org.springframework.stereotype.Controller; import org.springframework.web.bind.annotation.RequestMapping; import cn.nintendoswitch.user.api.boot.common.util.HttpUtil; import io.jsonwebtoken.impl.Base64Codec; @Controller public class IndexController { @RequestMapping("/indexPage") public void indexPage(HttpServletRequest request, HttpServletResponse response) { System.out.println("welcome to shanghai."); } @RequestMapping("/testPostWaveToken") public void testPostWaveToken(HttpServletRequest request, HttpServletResponse response) { String url = "https://xxxxxx.com.cn/aaa/bbb/"; String base64Content = "12121212121:aaaaaaaaaaaaa"; String encodeContent = Base64Codec.BASE64.encode(base64Content); Header[] headers = {new BasicHeader("token", "ABCDEF " + encodeContent), new BasicHeader("Content-Type", MediaType.APPLICATION_FORM_URLENCODED_VALUE)}; Map<String, Object> paramMaps = new HashMap<>(); paramMaps.put("param01", "value01"); String resutlMsg = HttpUtil.doPost(url, headers, paramMaps); System.out.println("return info is : " + resutlMsg); } }
好了，备忘一下，需要的朋友可以转载，但请注明原著来源，谢谢。