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http请求之RestTemplate使用

高大北
2022-08-15 / 0 评论 / 0 点赞 / 38 阅读 / 436 字 / 正在检测是否收录...

定义一个RestTemlateConfig设置超时时间等

package com.xdclass.config;

import org.apache.http.client.HttpClient;
import org.apache.http.client.config.RequestConfig;
import org.apache.http.config.Registry;
import org.apache.http.config.RegistryBuilder;
import org.apache.http.conn.socket.ConnectionSocketFactory;
import org.apache.http.conn.socket.PlainConnectionSocketFactory;
import org.apache.http.conn.ssl.SSLConnectionSocketFactory;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClientBuilder;
import org.apache.http.impl.conn.PoolingHttpClientConnectionManager;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.http.client.ClientHttpRequestFactory;
import org.springframework.http.client.HttpComponentsClientHttpRequestFactory;
import org.springframework.http.client.SimpleClientHttpRequestFactory;
import org.springframework.stereotype.Component;
import org.springframework.web.client.RestTemplate;

@Configuration
@Component
public class RestTemlateConfig {
    @Bean
    public RestTemplate restTemplate(ClientHttpRequestFactory requestFactory) {
        return new RestTemplate(requestFactory);
    }

    @Bean
    public ClientHttpRequestFactory httpRequestFactory() {

        return new HttpComponentsClientHttpRequestFactory(httpClient());

    }

    public HttpClient httpClient() {
        Registry<ConnectionSocketFactory> registry = RegistryBuilder.<ConnectionSocketFactory>create()
                .register("http", PlainConnectionSocketFactory.getSocketFactory())
                .register("https", SSLConnectionSocketFactory.getSocketFactory())
                .build();

        PoolingHttpClientConnectionManager connectionManager = new PoolingHttpClientConnectionManager(registry);

        //设置整个连接池最大连接数
        connectionManager.setMaxTotal(500);

        //MaxPerRoute路由是对maxTotal的细分,每个主机的并发,这里route指的是域名
        connectionManager.setDefaultMaxPerRoute(200);
        RequestConfig requestConfig = RequestConfig.custom()
                //返回数据的超时时间
                .setSocketTimeout(20000)
                //连接上服务器的超时时间
                .setConnectTimeout(10000)

                //从连接池中获取连接的超时时间
                .setConnectionRequestTimeout(1000)
                .build();

        return HttpClientBuilder.create()
                .setDefaultRequestConfig(requestConfig)
                .setConnectionManager(connectionManager)
                .build();
    }
}

在启动类添加

    @Bean
    public RestTemplate restTemplate(){
        return new RestTemplate();
    }

使用实例

private static final String URL_TEMPLATE = "https://jmsms.market.alicloudapi.com/sms/send?mobile=%s&templateId=%s&value=%s";
    @Autowired
    private RestTemplate restTemplate;
    
     /**
     * 发送验证码测试
     * @param to 发给谁
     * @param templateId 模版id
     * @param value
     */
    public void send(String to,String templateId,String value){
        String url= String.format(URL_TEMPLATE,to,templateId,value);
        HttpHeaders httpHeaders = new HttpHeaders();
        httpHeaders.set("Authorization","APPCODE " + smsConfig.getAppCode());
        HttpEntity<String> httpEntity = new HttpEntity<>(httpHeaders);

        ResponseEntity<String> response = restTemplate.exchange(url, HttpMethod.POST, httpEntity, String.class);
        log.info("url={},body={}",url,response);
        if (response.getStatusCode().is2xxSuccessful()){
            log.info("发送短信验证码成功");
        }else {
            log.info("发送短信验证码失败-》url={},body={}",url,response);
        }

    }
    
    

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