原理是认为所有的网站都是可信的。
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使用的包情况:
class="xml"> <!-- http client --> <dependency> <groupId>commons-httpclient</groupId> <artifactId>commons-httpclient</artifactId> <version>3.1</version> </dependency> <dependency> <groupId>org.apache.httpcomponents</groupId> <artifactId>httpcore</artifactId> <version>4.3.3</version> </dependency> <dependency> <groupId>org.apache.commons</groupId> <artifactId>commons-io</artifactId> <version>1.3.2</version> </dependency> <dependency> <groupId>org.apache.httpcomponents</groupId> <artifactId>httpclient</artifactId> <version>4.3.6</version> </dependency>
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?实例代码:
package com.my.uitls; import java.security.cert.CertificateException; import java.security.cert.X509Certificate; import javax.net.ssl.SSLContext; import javax.net.ssl.TrustManager; import javax.net.ssl.X509TrustManager; import org.apache.http.HttpEntity; import org.apache.http.client.config.RequestConfig; import org.apache.http.client.methods.CloseableHttpResponse; import org.apache.http.client.methods.HttpPost; import org.apache.http.conn.ssl.SSLConnectionSocketFactory; import org.apache.http.entity.StringEntity; import org.apache.http.impl.client.CloseableHttpClient; import org.apache.http.impl.client.HttpClientBuilder; import org.apache.http.util.EntityUtils; import org.json.JSONObject; public class NewSSLClient { public static void main(String[] args) throws Exception { //初始化 String url="https://39.156.1.100"; JSONObject json = new JSONObject(); json.put("username", "guest"); json.put("password", "123"); String params=json.toString(); String responseContent = null; //实现部分 HttpClientBuilder builder = HttpClientBuilder.create(); SSLContext ctx = SSLContext.getInstance("TLS"); //核心部分 X509TrustManager tm = new X509TrustManager() { public void checkClientTrusted(X509Certificate[] chain, String authType) throws CertificateException { } public void checkServerTrusted(X509Certificate[] chain, String authType) throws CertificateException { } public X509Certificate[] getAcceptedIssuers() { return null; } }; ctx.init(null, new TrustManager[]{tm}, null); builder.setSslcontext(ctx); SSLConnectionSocketFactory factory = new SSLConnectionSocketFactory(ctx,SSLConnectionSocketFactory.ALLOW_ALL_HOSTNAME_VERIFIER); builder.setSSLSocketFactory(factory); CloseableHttpClient client = builder.build(); HttpPost httpPost = new HttpPost(url); httpPost.setHeader("Content-Type", "application/json;charset=UTF-8"); StringEntity se = new StringEntity(params); se.setContentType("text/json"); RequestConfig requestConfig = RequestConfig.custom()// .setSocketTimeout(1000)// .setConnectTimeout(1000)// .build();// 设置请求和传输超时时间 httpPost.setEntity(se); httpPost.setConfig(requestConfig); CloseableHttpResponse response = client.execute(httpPost); HttpEntity entity = response.getEntity(); if(response.getStatusLine().getStatusCode()==200) { //请求成功 responseContent = EntityUtils.toString(entity, "UTF-8"); }else{ responseContent = null; } System.out.println(responseContent); } }
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