修改 httpClient request

liquidnet-bus-common/liquidnet-common-base/src/main/java/com/liquidnet/commons/lang/config/RestTemplateConfig.java

+package com.liquidnet.commons.lang.config;
+
+import org.apache.http.Header;
+import org.apache.http.client.HttpClient;
+import org.apache.http.client.config.RequestConfig;
+import org.apache.http.impl.client.DefaultConnectionKeepAliveStrategy;
+import org.apache.http.impl.client.DefaultHttpRequestRetryHandler;
+import org.apache.http.impl.client.HttpClientBuilder;
+import org.apache.http.impl.conn.PoolingHttpClientConnectionManager;
+import org.apache.http.message.BasicHeader;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+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.converter.HttpMessageConverter;
+import org.springframework.http.converter.StringHttpMessageConverter;
+import org.springframework.web.client.RestTemplate;
+
+import java.nio.charset.StandardCharsets;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.concurrent.TimeUnit;
+
+@Configuration
+public class RestTemplateConfig {
+    private static final Logger logger = LoggerFactory.getLogger(RestTemplateConfig.class);
+
+    @Bean
+    public RestTemplate restTemplate() {
+        // 添加内容转换器,使用默认的内容转换器
+        RestTemplate restTemplate = new RestTemplate(httpRequestFactory());
+        // 设置编码格式为UTF-8
+        List<HttpMessageConverter<?>> converterList = restTemplate.getMessageConverters();
+        HttpMessageConverter<?> converterTarget = null;
+        for (HttpMessageConverter<?> item : converterList) {
+            if (item.getClass() == StringHttpMessageConverter.class) {
+                converterTarget = item;
+                break;
+            }
+        }
+        if (converterTarget != null) {
+            converterList.remove(converterTarget);
+        }
+        HttpMessageConverter<?> converter = new StringHttpMessageConverter(StandardCharsets.UTF_8);
+        converterList.add(1, converter);
+
+        return restTemplate;
+    }
+
+    @Bean
+    public ClientHttpRequestFactory httpRequestFactory() {
+        return new HttpComponentsClientHttpRequestFactory(httpClient());
+    }
+
+    @Bean
+    public HttpClient httpClient() {
+        // 长连接保持30秒
+        PoolingHttpClientConnectionManager connectionManager = new PoolingHttpClientConnectionManager(30, TimeUnit.SECONDS);
+        //设置整个连接池最大连接数 根据自己的场景决定
+        connectionManager.setMaxTotal(500);
+        //同路由的并发数,路由是对maxTotal的细分
+        connectionManager.setDefaultMaxPerRoute(500);
+
+        //requestConfig
+        RequestConfig requestConfig = RequestConfig.custom()
+                //服务器返回数据(response)的时间，超过该时间抛出read timeout
+                .setSocketTimeout(10000)
+                //连接上服务器(握手成功)的时间，超出该时间抛出connect timeout
+                .setConnectTimeout(5000)
+                //从连接池中获取连接的超时时间，超过该时间未拿到可用连接，会抛出org.apache.http.conn.ConnectionPoolTimeoutException: Timeout waiting for connection from pool
+                .setConnectionRequestTimeout(500)
+                .build();
+        //headers
+        List<Header> headers = new ArrayList<>();
+        headers.add(new BasicHeader("User-Agent", "Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/31.0.1650.16 Safari/537.36"));
+        headers.add(new BasicHeader("Accept-Encoding", "gzip,deflate"));
+        headers.add(new BasicHeader("Accept-Language", "zh-CN"));
+        headers.add(new BasicHeader("Connection", "Keep-Alive"));
+        headers.add(new BasicHeader("Content-type", "application/json;charset=UTF-8"));
+
+        return HttpClientBuilder.create()
+                .setDefaultRequestConfig(requestConfig)
+                .setConnectionManager(connectionManager)
+                .setDefaultHeaders(headers)
+                // 保持长连接配置，需要在头添加Keep-Alive
+                .setKeepAliveStrategy(new DefaultConnectionKeepAliveStrategy())
+                //重试次数，默认是3次，没有开启
+                .setRetryHandler(new DefaultHttpRequestRetryHandler(2, true))
+                .build();
+    }
+}

liquidnet-bus-common/liquidnet-common-base/src/main/java/com/liquidnet/commons/lang/util/HttpUtil.java

 package com.liquidnet.commons.lang.util;
 
+import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.http.*;
 import org.springframework.util.LinkedMultiValueMap;
 import org.springframework.util.MultiValueMap;
@@ -11,6 +12,10 @@ import java.util.List;
 import java.util.Map;
 
 public class HttpUtil {
+
+    @Autowired
+    private static RestTemplate restTemplate;
+
     /**
      * get请求
      *
@@ -133,22 +138,22 @@ public class HttpUtil {
         if (url == null || url.trim().isEmpty()) {
             return null;
         }
-		RestTemplate client = new RestTemplate();
+        HttpEntity<Object> httpEntity;
+        if (headers != null) {
             // header
             HttpHeaders httpHeaders = new HttpHeaders();
-		if (headers != null) {
             httpHeaders.addAll(headers);
+            httpHeaders.setContentType(mediaType);
+            httpEntity = new HttpEntity(params, httpHeaders);
+        } else {
+            httpEntity = new HttpEntity(params, null);
         }
         // 提交方式：表单、json
-		httpHeaders.setContentType(mediaType);
-		HttpEntity<Object> httpEntity = new HttpEntity(params, httpHeaders);
-		ResponseEntity<String> response = client.exchange(url, method, httpEntity, String.class);
+        ResponseEntity<String> response = restTemplate.exchange(url, method, httpEntity, String.class);
         return response.getBody();
     }
 
 
-
-
     private static final String PHP_API_KEY = "R7tXY9smPQPG9Ku5yI0u6sfnlckmk04V";
 
     public static String postToPhpApi(String url, MultiValueMap<String, String> params) {