RestTemplate支持https请求
<h5>依赖</h5>
<pre><code> <dependency>
<groupId>org.apache.httpcomponents</groupId>
<artifactId>httpclient</artifactId>
<version>4.5.3</version>
</dependency></code></pre>
<h5>配置</h5>
<pre><code>package com.example.demo.config;
import org.apache.http.conn.ssl.SSLConnectionSocketFactory;
import org.apache.http.conn.ssl.TrustStrategy;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClients;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.http.client.HttpComponentsClientHttpRequestFactory;
import org.springframework.web.client.RestTemplate;
import javax.net.ssl.SSLContext;
import java.security.KeyManagementException;
import java.security.KeyStoreException;
import java.security.NoSuchAlgorithmException;
import java.security.cert.X509Certificate;
@Configuration
public class CoreConfig {
/**
* 超时时间2分钟
*/
private int outtime = 2 * 60 * 1000;
/**
* http 调用 配置支持https 需要httpclient的支持
*
* @return
*/
@Bean
public RestTemplate restTemplate() throws KeyStoreException, NoSuchAlgorithmException, KeyManagementException {
TrustStrategy acceptingTrustStrategy = (X509Certificate[] chain, String authType) -> true;
SSLContext sslContext = org.apache.http.ssl.SSLContexts.custom()
.loadTrustMaterial(null, acceptingTrustStrategy)
.build();
SSLConnectionSocketFactory csf = new SSLConnectionSocketFactory(sslContext);
CloseableHttpClient httpClient = HttpClients.custom()
.setSSLSocketFactory(csf)
.build();
HttpComponentsClientHttpRequestFactory requestFactory =
new HttpComponentsClientHttpRequestFactory();
requestFactory.setHttpClient(httpClient);
requestFactory.setConnectTimeout(outtime);
requestFactory.setReadTimeout(outtime);
RestTemplate restTemplate = new RestTemplate(requestFactory);
return restTemplate;
}
}
</code></pre>
<h5>测试</h5>
<pre><code> @Test
void testHttps(){
String str = restTemplate.getForObject("https://free-api.heweather.com/v5/forecast?city=CN101080101&key=5c043b56de9f4371b0c7f8bee8f5b75e", String.class);
System.out.println("baidu:\n");
System.out.println(str);
}
</code></pre>