<\/p>\n\n\n\n
HttpUtils.java<\/p>\n\n\n\n
\nimport com.alibaba.fastjson.JSONObject;\nimport org.apache.commons.lang.StringUtils;\nimport org.apache.http.HttpResponse;\nimport org.apache.http.NameValuePair;\nimport org.apache.http.client.HttpClient;\nimport org.apache.http.client.entity.UrlEncodedFormEntity;\nimport org.apache.http.client.methods.*;\nimport org.apache.http.client.utils.URIBuilder;\nimport org.apache.http.conn.ClientConnectionManager;\nimport org.apache.http.conn.scheme.Scheme;\nimport org.apache.http.conn.scheme.SchemeRegistry;\nimport org.apache.http.conn.ssl.SSLSocketFactory;\nimport org.apache.http.entity.ByteArrayEntity;\nimport org.apache.http.entity.StringEntity;\nimport org.apache.http.impl.client.CloseableHttpClient;\nimport org.apache.http.impl.client.DefaultHttpClient;\nimport org.apache.http.impl.client.HttpClients;\nimport org.apache.http.message.BasicNameValuePair;\nimport org.apache.http.util.EntityUtils;\n\nimport javax.net.ssl.SSLContext;\nimport javax.net.ssl.TrustManager;\nimport javax.net.ssl.X509TrustManager;\nimport java.io.IOException;\nimport java.io.UnsupportedEncodingException;\nimport java.net.URI;\nimport java.net.URLEncoder;\nimport java.nio.charset.Charset;\nimport java.security.KeyManagementException;\nimport java.security.NoSuchAlgorithmException;\nimport java.security.cert.X509Certificate;\nimport java.util.ArrayList;\nimport java.util.List;\nimport java.util.Map;\n\npublic class HttpUtils {\n\n \/**\n * get\n *\n * @param host\n * @param path\n * @param method\n * @param headers\n * @param querys\n * @return\n * @throws Exception\n *\/\n public static HttpResponse doGet(String host, String path, String method,\n Map<String, String> headers,\n Map<String, String> querys)\n throws Exception {\n HttpClient httpClient = wrapClient(host);\n\n HttpGet request = new HttpGet(buildUrl(host, path, querys));\n for (Map.Entry<String, String> e : headers.entrySet()) {\n request.addHeader(e.getKey(), e.getValue());\n }\n\n return httpClient.execute(request);\n }\n\n \/**\n * post form\n *\n * @param host\n * @param path\n * @param method\n * @param headers\n * @param querys\n * @param bodys\n * @return\n * @throws Exception\n *\/\n public static HttpResponse doPost(String host, String path, String method,\n Map<String, String> headers,\n Map<String, String> querys,\n Map<String, String> bodys)\n throws Exception {\n HttpClient httpClient = wrapClient(host);\n\n HttpPost request = new HttpPost(buildUrl(host, path, querys));\n for (Map.Entry<String, String> e : headers.entrySet()) {\n request.addHeader(e.getKey(), e.getValue());\n }\n\n if (bodys != null) {\n List<NameValuePair> nameValuePairList = new ArrayList<NameValuePair>();\n\n for (String key : bodys.keySet()) {\n nameValuePairList.add(new BasicNameValuePair(key, bodys.get(key)));\n }\n UrlEncodedFormEntity formEntity = new UrlEncodedFormEntity(nameValuePairList, \"utf-8\");\n formEntity.setContentType(\"application\/x-www-form-urlencoded; charset=UTF-8\");\n request.setEntity(formEntity);\n }\n\n return httpClient.execute(request);\n }\n\n \/**\n * Post String\n *\n * @param host\n * @param path\n * @param method\n * @param headers\n * @param querys\n * @param body\n * @return\n * @throws Exception\n *\/\n public static HttpResponse doPost(String host, String path, String method,\n Map<String, String> headers,\n Map<String, String> querys,\n String body)\n throws Exception {\n HttpClient httpClient = wrapClient(host);\n\n HttpPost request = new HttpPost(buildUrl(host, path, querys));\n for (Map.Entry<String, String> e : headers.entrySet()) {\n request.addHeader(e.getKey(), e.getValue());\n }\n\n if (StringUtils.isNotBlank(body)) {\n request.setEntity(new StringEntity(body, \"utf-8\"));\n }\n\n return httpClient.execute(request);\n }\n\n \/**\n * Post stream\n *\n * @param host\n * @param path\n * @param method\n * @param headers\n * @param querys\n * @param body\n * @return\n * @throws Exception\n *\/\n public static HttpResponse doPost(String host, String path, String method,\n Map<String, String> headers,\n Map<String, String> querys,\n byte[] body)\n throws Exception {\n HttpClient httpClient = wrapClient(host);\n\n HttpPost request = new HttpPost(buildUrl(host, path, querys));\n for (Map.Entry<String, String> e : headers.entrySet()) {\n request.addHeader(e.getKey(), e.getValue());\n }\n\n if (body != null) {\n request.setEntity(new ByteArrayEntity(body));\n }\n\n return httpClient.execute(request);\n }\n\n \/**\n * Put String\n *\n * @param host\n * @param path\n * @param method\n * @param headers\n * @param querys\n * @param body\n * @return\n * @throws Exception\n *\/\n public static HttpResponse doPut(String host, String path, String method,\n Map<String, String> headers,\n Map<String, String> querys,\n String body)\n throws Exception {\n HttpClient httpClient = wrapClient(host);\n\n HttpPut request = new HttpPut(buildUrl(host, path, querys));\n for (Map.Entry<String, String> e : headers.entrySet()) {\n request.addHeader(e.getKey(), e.getValue());\n }\n\n if (StringUtils.isNotBlank(body)) {\n request.setEntity(new StringEntity(body, \"utf-8\"));\n }\n\n return httpClient.execute(request);\n }\n\n \/**\n * Put stream\n *\n * @param host\n * @param path\n * @param method\n * @param headers\n * @param querys\n * @param body\n * @return\n * @throws Exception\n *\/\n public static HttpResponse doPut(String host, String path, String method,\n Map<String, String> headers,\n Map<String, String> querys,\n byte[] body)\n throws Exception {\n HttpClient httpClient = wrapClient(host);\n\n HttpPut request = new HttpPut(buildUrl(host, path, querys));\n for (Map.Entry<String, String> e : headers.entrySet()) {\n request.addHeader(e.getKey(), e.getValue());\n }\n\n if (body != null) {\n request.setEntity(new ByteArrayEntity(body));\n }\n\n return httpClient.execute(request);\n }\n\n \/**\n * Delete\n *\n * @param host\n * @param path\n * @param method\n * @param headers\n * @param querys\n * @return\n * @throws Exception\n *\/\n public static HttpResponse doDelete(String host, String path, String method,\n Map<String, String> headers,\n Map<String, String> querys)\n throws Exception {\n HttpClient httpClient = wrapClient(host);\n\n HttpDelete request = new HttpDelete(buildUrl(host, path, querys));\n for (Map.Entry<String, String> e : headers.entrySet()) {\n request.addHeader(e.getKey(), e.getValue());\n }\n\n return httpClient.execute(request);\n }\n\n private static String buildUrl(String host, String path, Map<String, String> querys) throws UnsupportedEncodingException {\n StringBuilder sbUrl = new StringBuilder();\n sbUrl.append(host);\n if (!StringUtils.isBlank(path)) {\n sbUrl.append(path);\n }\n if (null != querys) {\n StringBuilder sbQuery = new StringBuilder();\n for (Map.Entry<String, String> query : querys.entrySet()) {\n if (0 < sbQuery.length()) {\n sbQuery.append(\"&\");\n }\n if (StringUtils.isBlank(query.getKey()) && !StringUtils.isBlank(query.getValue())) {\n sbQuery.append(query.getValue());\n }\n if (!StringUtils.isBlank(query.getKey())) {\n sbQuery.append(query.getKey());\n if (!StringUtils.isBlank(query.getValue())) {\n sbQuery.append(\"=\");\n sbQuery.append(URLEncoder.encode(query.getValue(), \"utf-8\"));\n }\n }\n }\n if (0 < sbQuery.length()) {\n sbUrl.append(\"?\").append(sbQuery);\n }\n }\n\n return sbUrl.toString();\n }\n\n private static HttpClient wrapClient(String host) {\n HttpClient httpClient = new DefaultHttpClient();\n if (host.startsWith(\"https:\/\/\")) {\n sslClient(httpClient);\n }\n\n return httpClient;\n }\n\n private static void sslClient(HttpClient httpClient) {\n try {\n SSLContext ctx = SSLContext.getInstance(\"TLS\");\n X509TrustManager tm = new X509TrustManager() {\n public X509Certificate[] getAcceptedIssuers() {\n return null;\n }\n\n public void checkClientTrusted(X509Certificate[] xcs, String str) {\n\n }\n\n public void checkServerTrusted(X509Certificate[] xcs, String str) {\n\n }\n };\n ctx.init(null, new TrustManager[]{tm}, null);\n SSLSocketFactory ssf = new SSLSocketFactory(ctx);\n ssf.setHostnameVerifier(SSLSocketFactory.ALLOW_ALL_HOSTNAME_VERIFIER);\n ClientConnectionManager ccm = httpClient.getConnectionManager();\n SchemeRegistry registry = ccm.getSchemeRegistry();\n registry.register(new Scheme(\"https\", 443, ssf));\n } catch (KeyManagementException ex) {\n throw new RuntimeException(ex);\n } catch (NoSuchAlgorithmException ex) {\n throw new RuntimeException(ex);\n }\n }\n\n \/**\n * \u53d1\u9001 get \u8bf7\u6c42\n *\n * @param url \u8bf7\u6c42\u5730\u5740\n * @return \u8bf7\u6c42\u7ed3\u679c\n *\/\n public static String get(String url) {\n String result = null;\n CloseableHttpResponse response = null;\n CloseableHttpClient httpclient = HttpClients.createDefault();\n try {\n \/\/ \u521b\u5efauri\n URIBuilder builder = new URIBuilder(url);\n URI uri = builder.build();\n \/\/ \u521b\u5efahttp GET\u8bf7\u6c42\n HttpGet httpGet = new HttpGet(uri);\n \/\/ \u6267\u884c\u8bf7\u6c42\n response = httpclient.execute(httpGet);\n if (response.getStatusLine().getStatusCode() == 200) {\n result = EntityUtils.toString(response.getEntity(), \"UTF-8\");\n }\n } catch (Exception e) {\n e.printStackTrace();\n }\n return result;\n }\n\n \/**\n * \u53d1\u9001 post \u8bf7\u6c42\n *\n * @param url \u8bf7\u6c42\u5730\u5740\n * @param param Form\u8868\u5355json\u5b57\u7b26\u4e32\n * @return \u8bf7\u6c42\u7ed3\u679c\n *\/\n public static String post(String url, Object param) {\n \/\/ \u521b\u5efahttpClient\n CloseableHttpClient httpClient = HttpClients.createDefault();\n \/\/ \u521b\u5efapost\u8bf7\u6c42\u65b9\u5f0f\u5b9e\u4f8b\n HttpPost httpPost = new HttpPost(url);\n\n \/\/ \u8bbe\u7f6e\u8bf7\u6c42\u5934 \u53d1\u9001\u7684\u662fjson\u6570\u636e\u683c\u5f0f\n httpPost.setHeader(\"Content-type\", \"application\/json;charset=utf-8\");\n httpPost.setHeader(\"Connection\", \"Close\");\n\n \/\/ \u8bbe\u7f6e\u53c2\u6570---\u8bbe\u7f6e\u6d88\u606f\u5b9e\u4f53 \u4e5f\u5c31\u662f\u643a\u5e26\u7684\u6570\u636e\n StringEntity entity = new StringEntity(JSONObject.toJSONString(param), Charset.forName(\"UTF-8\"));\n \/\/ \u8bbe\u7f6e\u7f16\u7801\u683c\u5f0f\n entity.setContentEncoding(\"UTF-8\");\n \/\/ \u53d1\u9001Json\u683c\u5f0f\u7684\u6570\u636e\u8bf7\u6c42\n entity.setContentType(\"application\/json\");\n \/\/ \u628a\u8bf7\u6c42\u6d88\u606f\u5b9e\u4f53\u585e\u8fdb\u53bb\n httpPost.setEntity(entity);\n\n \/\/ \u6267\u884chttp\u7684post\u8bf7\u6c42\n CloseableHttpResponse httpResponse;\n String result = null;\n try {\n httpResponse = httpClient.execute(httpPost);\n result = EntityUtils.toString(httpResponse.getEntity(), \"UTF-8\");\n } catch (IOException e) {\n e.printStackTrace();\n }\n\n return result;\n }\n\n\n\n\n}\n\n<\/code><\/pre>\n\n\n\nHttpClientFactory.java<\/p>\n\n\n\n
import javax.net.ssl.HostnameVerifier;\nimport javax.net.ssl.SSLContext;\nimport javax.net.ssl.X509TrustManager;\n\nimport org.apache.http.client.HttpClient;\nimport org.apache.http.conn.ssl.SSLConnectionSocketFactory;\nimport org.apache.http.conn.ssl.SSLContexts;\n\nimport org.apache.http.impl.client.CloseableHttpClient;\nimport org.apache.http.impl.client.HttpClients;\n\nimport java.security.SecureRandom;\nimport java.security.cert.CertificateException;\nimport java.security.cert.X509Certificate;\n\npublic class HttpClientFactory {\n\n private static CloseableHttpClient client;\n\n public static CloseableHttpClient getHttpsClient() throws Exception {\n\n if (client != null) {\n return client;\n }\n\n \/*\n SSLContext sslContext = new SSLContextBuilder()\n .loadTrustMaterial(null, (TrustStrategy) (chain, authType) -> true)\n .build();\n HostnameVerifier verifier = (s, sslSession) -> true;\n SSLConnectionSocketFactory factory = new SSLConnectionSocketFactory(sslContext, verifier);\n\n *\/\n SSLContext sslcontext = SSLContexts.custom().useSSL().build();\n sslcontext.init(null, new X509TrustManager[]{new HttpsTrustManager()}, new SecureRandom());\n\n HostnameVerifier verifier = (s, sslSession) -> true;\n SSLConnectionSocketFactory factory = new SSLConnectionSocketFactory(sslcontext,verifier);\/\/SSLConnectionSocketFactory.BROWSER_COMPATIBLE_HOSTNAME_VERIFIER\n client = HttpClients.custom().setSSLSocketFactory(factory).build();\n\n return client;\n }\n\n public static void releaseInstance() {\n client = null;\n }\n}\n\n\nclass HttpsTrustManager implements X509TrustManager {\n\n @Override\n public void checkClientTrusted(X509Certificate[] arg0, String arg1)\n throws CertificateException {\n \/\/ TODO Auto-generated method stub\n\n }\n\n @Override\n public void checkServerTrusted(X509Certificate[] arg0, String arg1)\n throws CertificateException {\n \/\/ TODO Auto-generated method stub\n\n }\n\n @Override\n public X509Certificate[] getAcceptedIssuers() {\n return new X509Certificate[]{};\n }\n\n}<\/code><\/pre>\n\n\n\nMain.java<\/p>\n\n\n\n
public class Main {\r\n public static void main(String[] args) {\r\n String result = HttpUtils.get(\"https:\/\/www.baidu.com\/\");\r\n System.out.println(result);\r\n\r\n }\r\n}<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"HttpUtils.java HttpClientFactory.java Main.java<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[7],"tags":[],"class_list":["post-898","post","type-post","status-publish","format-standard","hentry","category-java"],"_links":{"self":[{"href":"http:\/\/22pig.com\/index.php?rest_route=\/wp\/v2\/posts\/898","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/22pig.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/22pig.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/22pig.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/22pig.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=898"}],"version-history":[{"count":4,"href":"http:\/\/22pig.com\/index.php?rest_route=\/wp\/v2\/posts\/898\/revisions"}],"predecessor-version":[{"id":907,"href":"http:\/\/22pig.com\/index.php?rest_route=\/wp\/v2\/posts\/898\/revisions\/907"}],"wp:attachment":[{"href":"http:\/\/22pig.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=898"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/22pig.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=898"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/22pig.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=898"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}