Merge pull request #40 from smartdj/fix_HttpClientUtil_memory_leak

修正HttpClientUtil中的内存泄漏以及优化抛出异常

hippo4j-spring-boot-starter/src/main/java/cn/hippo4j/starter/toolkit/HttpClientUtil.java

@@ -165,24 +165,30 @@ public class HttpClientUtil {
                 .url(url)
                 .post(requestBody)
                 .build();
-        Response resp = hippo4JOkHttpClient.newCall(request).execute();
+         try (Response resp = hippo4JOkHttpClient.newCall(request).execute()) {
+            try (ResponseBody responseBody = resp.body()) {
                 if (resp.code() != HTTP_OK_CODE) {
                     String msg = String.format("HttpPost 响应 code 异常. [code] %s [url] %s [body] %s", resp.code(), url, jsonBody);
-            throw new RuntimeException(msg);
+                    throw new ResponseStatusException(HttpStatus.valueOf(resp.code()), msg);
                 }
                 return resp.body().string();
             }
+        }
+    }
 
     @SneakyThrows
     private byte[] doGet(String url) {
         Request request = new Request.Builder().get().url(url).build();
-        Response resp = hippo4JOkHttpClient.newCall(request).execute();
+        try(Response resp = hippo4JOkHttpClient.newCall(request).execute()){
+            try(ResponseBody responseBody = resp.body()){
                 if (resp.code() != HTTP_OK_CODE) {
                     String msg = String.format("HttpGet 响应 code 异常. [code] %s [url] %s", resp.code(), url);
-            throw new RuntimeException(msg);
+                    throw new ResponseStatusException(HttpStatus.valueOf(resp.code()), msg);
                 }
                 return resp.body().bytes();
             }
+        }
+    }
 
     @SneakyThrows
     public <T> T restApiGetByThreadPool(String url, Map<String, String> headers, Map<String, String> paramValues, Long readTimeoutMs, Class<T> clazz) {