{"id":797,"date":"2024-01-14T09:43:29","date_gmt":"2023-02-05T05:41:03","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/index.php\/2023\/11\/30\/apache-httpclient-%e7%a4%ba%e4%be%8b-closeablehttpclient\/"},"modified":"2025-08-03T08:30:52","modified_gmt":"2025-08-03T00:30:52","slug":"apache-httpclient-%e7%a4%ba%e4%be%8b-closeablehttpclient","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/apache-httpclient-%e7%a4%ba%e4%be%8b-closeablehttpclient\/","title":{"rendered":"Apache HttpClient\u6559\u7a0b\uff1aCloseableHttpClient\u4f7f\u7528\u793a\u4f8b\u4e0e\u8be6\u89e3"},"content":{"rendered":"

Apache HttpClient\u53ef\u7528\u4e8e\u4ece\u5ba2\u6237\u7aef\u4ee3\u7801\u5411\u670d\u52a1\u5668\u53d1\u9001HTTP\u8bf7\u6c42\u3002\u5728\u6211\u4eec\u4e0a\u4e00\u7bc7\u6559\u7a0b\u4e2d\uff0c\u6211\u4eec\u4ecb\u7ecd\u4e86\u5982\u4f55\u4f7f\u7528HttpURLConnection\u5728Java\u7a0b\u5e8f\u4e2d\u6267\u884cGET\u548cPOST HTTP\u8bf7\u6c42\u64cd\u4f5c\u3002\u4eca\u5929\u6211\u4eec\u5c06\u4f7f\u7528\u76f8\u540c\u7684\u793a\u4f8b\u9879\u76ee\uff0c\u4f46\u4f7f\u7528Apache HttpClient\u6765\u6267\u884cGET\u548cPOST\u8bf7\u6c42\u64cd\u4f5c\u3002<\/p>\n

Apache HttpClient \u53ef\u4ee5\u7b80\u79f0\u4e3a”Apache HTTP \u5ba2\u6237\u7aef”\u3002<\/h2>\n

\u4e3a\u4e86\u7406\u89e3GET\u548cPOST\u8bf7\u6c42\u7684\u7ec6\u8282\uff0c\u6211\u5f3a\u70c8\u5efa\u8bae\u60a8\u4e5f\u67e5\u770b\u4e4b\u524d\u7684\u793a\u4f8b\u3002Apache HttpClient\u88ab\u5e7f\u6cdb\u7528\u4e8e\u4eceJava\u7a0b\u5e8f\u4e2d\u53d1\u9001HTTP\u8bf7\u6c42\u3002\u5982\u679c\u60a8\u6b63\u5728\u4f7f\u7528Maven\uff0c\u53ef\u4ee5\u6dfb\u52a0\u4ee5\u4e0b\u4f9d\u8d56\u9879\uff0c\u5b83\u5c06\u5305\u542b\u4f7f\u7528Apache HttpClient\u6240\u9700\u7684\u6240\u6709\u5176\u4ed6\u4f9d\u8d56\u9879\u3002<\/p>\n

<dependency>\r\n\t<groupId>org.apache.httpcomponents<\/groupId>\r\n\t<artifactId>httpclient<\/artifactId>\r\n\t<version>4.4<\/version>\r\n<\/dependency>\r\n<\/code><\/pre>\n
\u4f46\u662f\uff0c\u5982\u679c\u60a8\u4e0d\u4f7f\u7528Maven\uff0c\u5219\u9700\u8981\u5728\u9879\u76ee\u6784\u5efa\u8def\u5f84\u4e2d\u6dfb\u52a0\u4ee5\u4e0bjar\u5305\u4ee5\u4f7f\u5176\u6b63\u5e38\u5de5\u4f5c\u3002<\/p>\n
    \n
  • httpclient-4.4.jar<\/li>\n
  • httpcore-4.4.jar<\/li>\n
  • commons-logging-1.2.jar<\/li>\n
  • commons-codec-1.9.jar<\/li>\n<\/ul>\n
    \u5bf9\u5e94\u7684\u4e2d\u6587\u8bf4\u660e\uff1a<\/p>\n
      \n
    • http\u5ba2\u6237\u7aef-4.4.jar<\/li>\n
    • http\u6838\u5fc3-4.4.jar<\/li>\n
    • \u5e38\u89c1\u65e5\u5fd7-1.2.jar<\/li>\n
    • \u5e38\u89c1\u7f16\u89e3\u7801-1.9.jar<\/li>\n<\/ul>\n
      \u5982\u679c\u60a8\u4f7f\u7528\u7684\u662f\u5176\u4ed6\u7248\u672c\u7684Apache HttpClient\u4e14\u4e0d\u4f7f\u7528Maven\uff0c\u53ea\u9700\u521b\u5efa\u4e00\u4e2a\u4e34\u65f6\u7684Maven\u9879\u76ee\u6765\u83b7\u53d6\u517c\u5bb9\u7684jar\u5217\u8868\uff0c\u5982\u4e0b\u56fe\u6240\u793a\u3002\u7136\u540e\u5c06\u8fd9\u4e9bjar\u6587\u4ef6\u590d\u5236\u5230\u60a8\u7684\u9879\u76eelib\u76ee\u5f55\u4e2d\uff0c\u8fd9\u6837\u53ef\u4ee5\u907f\u514d\u4efb\u4f55\u517c\u5bb9\u6027\u95ee\u9898\uff0c\u5e76\u8282\u7701\u4ece\u4e92\u8054\u7f51\u4e0b\u8f7djar\u6587\u4ef6\u7684\u65f6\u95f4\u3002\u73b0\u5728\uff0c\u6211\u4eec\u5df2\u7ecf\u83b7\u5f97\u4e86\u6240\u6709\u6240\u9700\u7684\u4f9d\u8d56\u9879\uff0c\u4e0b\u9762\u662f\u4f7f\u7528Apache HttpClient\u53d1\u9001GET\u548cPOST\u8bf7\u6c42\u7684\u6b65\u9aa4\u3002<\/p>\n
        \n
      1. \u4f7f\u7528\u8f85\u52a9\u7c7bHttpClients\u521b\u5efaCloseableHttpClient\u7684\u5b9e\u4f8b\u3002<\/li>\n
      2. \u6839\u636eHTTP\u8bf7\u6c42\u7c7b\u578b\u521b\u5efaHttpGet\u6216HttpPost\u7684\u5b9e\u4f8b\u3002<\/li>\n
      3. \u4f7f\u7528addHeader\u65b9\u6cd5\u6dfb\u52a0\u5fc5\u9700\u7684\u5934\u90e8\uff0c\u5982User-Agent\u3001Accept-Encoding\u7b49\u3002<\/li>\n
      4. \u5bf9\u4e8ePOST\u8bf7\u6c42\uff0c\u521b\u5efaNameValuePair\u5217\u8868\u5e76\u6dfb\u52a0\u6240\u6709\u8868\u5355\u53c2\u6570\u3002\u7136\u540e\u5c06\u5176\u8bbe\u7f6e\u4e3aHttpPost\u5b9e\u4f53\u3002<\/li>\n
      5. \u901a\u8fc7\u6267\u884cHttpGet\u6216HttpPost\u8bf7\u6c42\u83b7\u53d6CloseableHttpResponse\u3002<\/li>\n
      6. \u4ece\u54cd\u5e94\u4e2d\u83b7\u53d6\u6240\u9700\u7684\u8be6\u7ec6\u4fe1\u606f\uff0c\u5982\u72b6\u6001\u4ee3\u7801\u3001\u9519\u8bef\u4fe1\u606f\u3001\u54cd\u5e94HTML\u7b49\u3002<\/li>\n
      7. \u6700\u540e\u5173\u95edApache HttpClient\u8d44\u6e90\u3002<\/li>\n<\/ol>\n
        \u4ee5\u4e0b\u662f\u6211\u4eec\u5c55\u793a\u5982\u4f55\u5728Java\u7a0b\u5e8f\u4e2d\u4f7f\u7528Apache HttpClient\u6267\u884cHTTP GET\u548cPOST\u8bf7\u6c42\u7684\u5b8c\u6574\u7a0b\u5e8f\u793a\u4f8b\u3002<\/p>\n
        package com.Olivia.utils;\r\n\r\nimport java.io.BufferedReader;\r\nimport java.io.IOException;\r\nimport java.io.InputStreamReader;\r\nimport java.util.ArrayList;\r\nimport java.util.List;\r\n\r\nimport org.apache.http.HttpEntity;\r\nimport org.apache.http.NameValuePair;\r\nimport org.apache.http.client.entity.UrlEncodedFormEntity;\r\nimport org.apache.http.client.methods.CloseableHttpResponse;\r\nimport org.apache.http.client.methods.HttpGet;\r\nimport org.apache.http.client.methods.HttpPost;\r\nimport org.apache.http.impl.client.CloseableHttpClient;\r\nimport org.apache.http.impl.client.HttpClients;\r\nimport org.apache.http.message.BasicNameValuePair;\r\n\r\npublic class ApacheHttpClientExample {\r\n\r\n\tprivate static final String USER_AGENT = \"Mozilla\/5.0\";\r\n\r\n\tprivate static final String GET_URL = \"https:\/\/localhost:9090\/SpringMVCExample\";\r\n\r\n\tprivate static final String POST_URL = \"https:\/\/localhost:9090\/SpringMVCExample\/home\";\r\n\r\n\tpublic static void main(String[] args) throws IOException {\r\n\t\tsendGET();\r\n\t\tSystem.out.println(\"GET DONE\");\r\n\t\tsendPOST();\r\n\t\tSystem.out.println(\"POST DONE\");\r\n\t}\r\n\r\n\tprivate static void sendGET() throws IOException {\r\n\t\tCloseableHttpClient httpClient = HttpClients.createDefault();\r\n\t\tHttpGet httpGet = new HttpGet(GET_URL);\r\n\t\thttpGet.addHeader(\"User-Agent\", USER_AGENT);\r\n\t\tCloseableHttpResponse httpResponse = httpClient.execute(httpGet);\r\n\r\n\t\tSystem.out.println(\"GET Response Status:: \"\r\n\t\t\t\t+ httpResponse.getStatusLine().getStatusCode());\r\n\r\n\t\tBufferedReader reader = new BufferedReader(new InputStreamReader(\r\n\t\t\t\thttpResponse.getEntity().getContent()));\r\n\r\n\t\tString inputLine;\r\n\t\tStringBuffer response = new StringBuffer();\r\n\r\n\t\twhile ((inputLine = reader.readLine()) != null) {\r\n\t\t\tresponse.append(inputLine);\r\n\t\t}\r\n\t\treader.close();\r\n\r\n\t\t\/\/ print result\r\n\t\tSystem.out.println(response.toString());\r\n\t\thttpClient.close();\r\n\t}\r\n\r\n\tprivate static void sendPOST() throws IOException {\r\n\r\n\t\tCloseableHttpClient httpClient = HttpClients.createDefault();\r\n\t\tHttpPost httpPost = new HttpPost(POST_URL);\r\n\t\thttpPost.addHeader(\"User-Agent\", USER_AGENT);\r\n\r\n\t\tList<NameValuePair> urlParameters = new ArrayList<NameValuePair>();\r\n\t\turlParameters.add(new BasicNameValuePair(\"userName\", \"Pankaj Kumar\"));\r\n\r\n\t\tHttpEntity postParams = new UrlEncodedFormEntity(urlParameters);\r\n\t\thttpPost.setEntity(postParams);\r\n\r\n\t\tCloseableHttpResponse httpResponse = httpClient.execute(httpPost);\r\n\r\n\t\tSystem.out.println(\"POST Response Status:: \"\r\n\t\t\t\t+ httpResponse.getStatusLine().getStatusCode());\r\n\r\n\t\tBufferedReader reader = new BufferedReader(new InputStreamReader(\r\n\t\t\t\thttpResponse.getEntity().getContent()));\r\n\r\n\t\tString inputLine;\r\n\t\tStringBuffer response = new StringBuffer();\r\n\r\n\t\twhile ((inputLine = reader.readLine()) != null) {\r\n\t\t\tresponse.append(inputLine);\r\n\t\t}\r\n\t\treader.close();\r\n\r\n\t\t\/\/ print result\r\n\t\tSystem.out.println(response.toString());\r\n\t\thttpClient.close();\r\n\r\n\t}\r\n\r\n}\r\n<\/code><\/pre>\n
        \u5f53\u6211\u4eec\u8fd0\u884c\u4e0a\u9762\u7684\u7a0b\u5e8f\u65f6\uff0c\u4f1a\u83b7\u53d6\u4e0e\u5728\u6d4f\u89c8\u5668\u4e2d\u6536\u5230\u7684\u7c7b\u4f3c\u7684HTML\u8f93\u51fa\u3002<\/p>\n
        GET Response Status:: 200\r\n<html><head>\t<title>Home<\/title><\/head><body><h1>\tHello world!  <\/h1><P>  The time on the server is March 7, 2015 1:01:22 AM IST. <\/P><\/body><\/html>\r\nGET DONE\r\nPOST Response Status:: 200\r\n<!DOCTYPE html PUBLIC \"-\/\/W3C\/\/DTD HTML 4.01 Transitional\/\/EN\" \"https:\/\/www.w3.org\/TR\/html4\/loose.dtd\"><html><head><meta http-equiv=\"Content-Type\" content=\"text\/html; charset=UTF-8\"><title>User Home Page<\/title><\/head><body><h3>Hi Pankaj Kumar<\/h3><\/body><\/html>\r\nPOST DONE\r\n<\/code><\/pre>\n
        \u4ee5\u4e0a\u5c31\u662fApache HttpClient\u793a\u4f8b\u7684\u5168\u90e8\u5185\u5bb9\uff0c\u5b83\u5305\u542b\u4e86\u8bb8\u591a\u5b9e\u7528\u65b9\u6cd5\u4f9b\u60a8\u4f7f\u7528\u3002\u56e0\u6b64\uff0c\u6211\u5efa\u8bae\u60a8\u67e5\u770b\u8fd9\u4e9b\u65b9\u6cd5\u4ee5\u4fbf\u66f4\u597d\u5730\u7406\u89e3\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
        Apache HttpClient\u53ef\u7528\u4e8e\u4ece\u5ba2\u6237\u7aef\u4ee3\u7801\u5411\u670d\u52a1\u5668\u53d1\u9001HTTP\u8bf7\u6c42\u3002\u5728\u6211\u4eec\u4e0a\u4e00\u7bc7\u6559\u7a0b\u4e2d\uff0c\u6211\u4eec\u4ecb\u7ecd\u4e86\u5982 […]<\/p>\n","protected":false},"author":4,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[2119,2120,2122,2121,2123],"class_list":["post-797","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-apache-httpclient","tag-closeablehttpclient","tag-http","tag-java-http","tag-java"],"yoast_head":"\nApache HttpClient\u6559\u7a0b\uff1aCloseableHttpClient\u4f7f\u7528\u793a\u4f8b\u4e0e\u8be6\u89e3 - Blog - Silicon Cloud<\/title>\n<meta name=\"description\" content=\"\u672c\u6587\u8be6\u7ec6\u4ecb\u7ecdApache HttpClient\u4e2dCloseableHttpClient\u7684\u4f7f\u7528\u65b9\u6cd5\uff0c\u5305\u542b\u5b8c\u6574\u4ee3\u7801\u793a\u4f8b\u3002\u5b66\u4e60\u5982\u4f55\u521b\u5efaHTTP\u5ba2\u6237\u7aef\u3001\u53d1\u9001GET\/POST\u8bf7\u6c42\u3001\u5904\u7406\u54cd\u5e94\u4ee5\u53ca\u6b63\u786e\u5173\u95ed\u8d44\u6e90\u3002\u9002\u5408Java\u5f00\u53d1\u8005\u638c\u63e1HTTP\u5ba2\u6237\u7aef\u7f16\u7a0b\u6280\u80fd\u3002\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/zh\/blog\/apache-httpclient-\u793a\u4f8b-closeablehttpclient\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Apache HttpClient\u6559\u7a0b\uff1aCloseableHttpClient\u4f7f\u7528\u793a\u4f8b\u4e0e\u8be6\u89e3\" \/>\n<meta property=\"og:description\" content=\"\u672c\u6587\u8be6\u7ec6\u4ecb\u7ecdApache HttpClient\u4e2dCloseableHttpClient\u7684\u4f7f\u7528\u65b9\u6cd5\uff0c\u5305\u542b\u5b8c\u6574\u4ee3\u7801\u793a\u4f8b\u3002\u5b66\u4e60\u5982\u4f55\u521b\u5efaHTTP\u5ba2\u6237\u7aef\u3001\u53d1\u9001GET\/POST\u8bf7\u6c42\u3001\u5904\u7406\u54cd\u5e94\u4ee5\u53ca\u6b63\u786e\u5173\u95ed\u8d44\u6e90\u3002\u9002\u5408Java\u5f00\u53d1\u8005\u638c\u63e1HTTP\u5ba2\u6237\u7aef\u7f16\u7a0b\u6280\u80fd\u3002\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/zh\/blog\/apache-httpclient-\u793a\u4f8b-closeablehttpclient\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - 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