“`” Feign \u662f\u53d7\u5230 Retrofit\uff0cJAXRS-2.0 \u548c WebSocket \u542f\u53d1\u7684 java \u5ba2\u6237\u7aef\u8054\u7f16\u7a0b\u5e8f\u3002Feign \u7684\u7b2c\u4e00\u4e2a\u76ee\u6807\u662f\u5c06\u7ea6\u675f\u5206\u6bcd\u7684\u590d\u6742\u6027\u7edf\u4e00\u5230 http apis\uff0c\u800c\u4e0d\u8003\u8651\u5176\u7a33\u5b9a\u6027\u3002\u5728 employee-consumer \u7684\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528\u4e86 employee-producer \u4f7f\u7528 REST \u6a21\u677f\u516c\u5f00\u7684 REST \u670d\u52a1\u3002<\/p>\n
\u4f46\u662f\u6211\u4eec\u5fc5\u987b\u7f16\u5199\u5927\u91cf\u4ee3\u7801\u624d\u80fd\u6267\u884c\u4ee5\u4e0b\u6b65\u9aa4
\n\u4f7f\u7528\u529f\u80fd\u533a\u8fdb\u884c\u8d1f\u8f7d\u5e73\u8861\u3002
\n\u83b7\u53d6\u670d\u52a1\u5b9e\u4f8b\uff0c\u7136\u540e\u83b7\u53d6\u57fa\u672c URL\u3002
\n\u5229\u7528 REST \u6a21\u677f\u6765\u4f7f\u7528\u670d\u52a1\u3002 \u524d\u9762\u7684\u4ee3\u7801\u5982\u4e0b<\/p>\n
<pre><code>@Controller
\npublic class ConsumerControllerClient {<\/p>\n
@Autowired
\nprivate LoadBalancerClient loadBalancer;<\/p>\n
public void getEmployee() throws RestClientException, IOException {<\/p>\n
ServiceInstance serviceInstance=loadBalancer.choose(""employee-producer"");<\/p>\n
System.out.println(serviceInstance.getUri());<\/p>\n
String baseUrl=serviceInstance.getUri().toString();<\/p>\n
baseUrl=baseUrl+""\/employee"";<\/p>\n
RestTemplate restTemplate = new RestTemplate();
\n ResponseEntity<String> response=null;
\ntry{
\n response=restTemplate.exchange(baseUrl,
\n HttpMethod.GET, getHeaders(),String.class);
\n}catch (Exception ex)
\n {
\n System.out.println(ex);
\n}
\n System.out.println(response.getBody());
\n}
\n<\/code><\/pre><\/p>\n
\u4e4b\u524d\u7684\u4ee3\u7801\uff0c\u6709\u50cf NullPointer \u8fd9\u6837\u7684\u4f8b\u5916\u7684\u673a\u4f1a\uff0c\u5e76\u4e0d\u662f\u6700\u4f18\u7684\u3002\u6211\u4eec\u5c06\u770b\u5230\u5982\u4f55\u4f7f\u7528 Netflix Feign\u4f7f\u547c\u53eb\u53d8\u5f97\u66f4\u52a0\u8f7b\u677e\u548c\u6e05\u6d01\u3002\u5982\u679c Netflix Ribbon \u4f9d\u8d56\u5173\u7cfb\u4e5f\u5728\u7c7b\u8def\u5f84\u4e2d\uff0c\u90a3\u4e48 Feign \u9ed8\u8ba4\u4e5f\u4f1a\u8d1f\u8d23\u8d1f\u8f7d\u5e73\u8861\u3002<\/p>\n
<pre><code> "“`
\n<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"
“`” Feign \u662f\u53d7\u5230 Retrofit\uff0cJAXRS-2.0 \u548c WebSocke […]<\/p>\n","protected":false},"author":7,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-38346","post","type-post","status-publish","format-standard","hentry","category-c"],"_links":{"self":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/38346","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/users\/7"}],"replies":[{"embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/comments?post=38346"}],"version-history":[{"count":1,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/38346\/revisions"}],"predecessor-version":[{"id":38347,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/38346\/revisions\/38347"}],"wp:attachment":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/media?parent=38346"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/categories?post=38346"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/tags?post=38346"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}