{"id":9300,"date":"2023-11-28T20:59:25","date_gmt":"2023-11-28T12:59:25","guid":{"rendered":"https:\/\/wx.kaifamiao.info\/?p=9300"},"modified":"2023-12-06T16:57:01","modified_gmt":"2023-12-06T08:57:01","slug":"springcloud-zhong-shen-me-shifeigin-ta-de-te-xing","status":"publish","type":"post","link":"http:\/\/wx.kaifamiao.info\/index.php\/2023\/11\/28\/springcloud-zhong-shen-me-shifeigin-ta-de-te-xing\/","title":{"rendered":"SpringCloud\u4e2d\u4ec0\u4e48\u662ffeigin?\u5b83\u7684\u7279\u6027\u662f\u4ec0\u4e48\uff1f"},"content":{"rendered":"

Feign\u662fSpring Cloud\u4e2d\u7684\u4e00\u4e2a\u58f0\u660e\u5f0f\u3001\u6a21\u677f\u5316\u7684HTTP\u5ba2\u6237\u7aef\uff0c\u7528\u4e8e\u7b80\u5316\u670d\u52a1\u95f4\u7684HTTP\u901a\u4fe1\u3002Feign\u7684\u8bbe\u8ba1\u76ee\u6807\u662f\u4f7f\u5f97\u7f16\u5199HTTP\u5ba2\u6237\u7aef\u53d8\u5f97\u66f4\u52a0\u5bb9\u6613\u548c\u4f18\u96c5\uff0c\u901a\u8fc7\u4f7f\u7528\u6ce8\u89e3\u548c\u6a21\u677f\u5316\u7684\u65b9\u5f0f\uff0c\u5f00\u53d1\u8005\u53ef\u4ee5\u66f4\u4e13\u6ce8\u4e8e\u4e1a\u52a1\u903b\u8f91\u800c\u4e0d\u662f\u5904\u7406HTTP\u8bf7\u6c42\u548c\u54cd\u5e94\u7684\u7ec6\u8282\u3002<\/p>\n

Feign\u7684\u4e3b\u8981\u7279\u6027\u5305\u62ec\uff1a<\/p>\n

    \n
  1. \n\u58f0\u660e\u5f0fAPI\uff1a<\/strong> Feign\u63d0\u4f9b\u4e86\u4e00\u79cd\u58f0\u660e\u5f0f\u7684\u65b9\u5f0f\u6765\u5b9a\u4e49HTTP\u5ba2\u6237\u7aef\u3002\u901a\u8fc7\u4f7f\u7528\u63a5\u53e3\u548c\u6ce8\u89e3\uff0c\u5f00\u53d1\u8005\u53ef\u4ee5\u63cf\u8ff0\u670d\u52a1\u95f4\u7684\u901a\u4fe1\u534f\u8bae\uff0c\u800c\u65e0\u9700\u7f16\u5199\u8be6\u7ec6\u7684HTTP\u8bf7\u6c42\u548c\u54cd\u5e94\u5904\u7406\u4ee3\u7801\u3002\n<\/li>\n
  2. \n\u6a21\u677f\u5316\uff1a<\/strong> Feign\u4f7f\u7528\u6a21\u677f\u5316\u7684\u65b9\u6cd5\u6765\u5b9a\u4e49\u548c\u53d1\u9001HTTP\u8bf7\u6c42\u3002\u901a\u8fc7\u4f7f\u7528\u6ce8\u89e3\uff0c\u53ef\u4ee5\u65b9\u4fbf\u5730\u5b9a\u4e49URL\u3001HTTP\u65b9\u6cd5\u3001\u8bf7\u6c42\u5934\u3001\u8bf7\u6c42\u4f53\u7b49\uff0cFeign\u4f1a\u6839\u636e\u8fd9\u4e9b\u4fe1\u606f\u81ea\u52a8\u751f\u6210HTTP\u8bf7\u6c42\u3002\n<\/li>\n
  3. \n\u96c6\u6210\u4e86Ribbon\uff1a<\/strong> Feign\u96c6\u6210\u4e86Netflix Ribbon\uff0c\u5b83\u662f\u4e00\u4e2a\u8d1f\u8f7d\u5747\u8861\u5668\u3002\u901a\u8fc7Feign\uff0c\u53ef\u4ee5\u8f7b\u677e\u5730\u5b9e\u73b0\u5bf9\u670d\u52a1\u5b9e\u4f8b\u7684\u8d1f\u8f7d\u5747\u8861\uff0c\u800c\u65e0\u9700\u663e\u5f0f\u5730\u7f16\u5199\u8d1f\u8f7d\u5747\u8861\u7684\u903b\u8f91\u3002\n<\/li>\n
  4. \n\u96c6\u6210\u4e86Hystrix\uff1a<\/strong> Feign\u8fd8\u96c6\u6210\u4e86Netflix Hystrix\uff0c\u7528\u4e8e\u5b9e\u73b0\u670d\u52a1\u7684\u5bb9\u9519\u548c\u7194\u65ad\u3002\u901a\u8fc7\u914d\u7f6e\uff0c\u53ef\u4ee5\u5728\u670d\u52a1\u51fa\u73b0\u6545\u969c\u65f6\u8fdb\u884c\u964d\u7ea7\u6216\u5feb\u901f\u5931\u8d25\u3002\n<\/li>\n
  5. \n\u652f\u6301Spring MVC\u6ce8\u89e3\uff1a<\/strong> Feign\u652f\u6301\u4f7f\u7528Spring MVC\u6ce8\u89e3\uff0c\u4f8b\u5982@RequestMapping<\/code>\u3001@RequestParam<\/code>\u7b49\uff0c\u4f7f\u5f97\u4e0eSpring MVC\u7684\u5f00\u53d1\u6a21\u5f0f\u66f4\u52a0\u4e00\u81f4\u3002\n<\/li>\n
  6. \n\u53ef\u6269\u5c55\u6027\uff1a<\/strong> Feign\u5177\u6709\u826f\u597d\u7684\u53ef\u6269\u5c55\u6027\uff0c\u53ef\u4ee5\u901a\u8fc7\u7f16\u5199\u81ea\u5b9a\u4e49\u7684RequestInterceptor<\/code>\u3001ErrorDecoder<\/code>\u7b49\u6765\u5b9e\u73b0\u7279\u5b9a\u9700\u6c42\u7684\u5b9a\u5236\u3002\n<\/li>\n
  7. \n\u4e0eSpring Cloud\u96c6\u6210\uff1a<\/strong> Feign\u662fSpring Cloud\u4e2d\u4e00\u90e8\u5206\uff0c\u53ef\u4ee5\u4e0e\u5176\u4ed6Spring Cloud\u7ec4\u4ef6\uff08\u5982Eureka\u3001Config\u7b49\uff09\u8f7b\u677e\u96c6\u6210\uff0c\u5b9e\u73b0\u66f4\u5168\u9762\u7684\u5fae\u670d\u52a1\u4f53\u7cfb\u7ed3\u6784\u3002\n<\/li>\n<\/ol>\n

    \u793a\u4f8b\u4f7f\u7528Feign\u7684\u63a5\u53e3\uff1a<\/p>\n

    @FeignClient(name = "example-service")\npublic interface ExampleFeignClient {\n\n    @RequestMapping(method = RequestMethod.GET, value = "\/example\/api\/resource")\n    String getResource();\n}\n<\/code><\/pre>\n
    \u4e0a\u8ff0\u4ee3\u7801\u5b9a\u4e49\u4e86\u4e00\u4e2aFeign\u5ba2\u6237\u7aef\u63a5\u53e3\uff0c\u901a\u8fc7@FeignClient<\/code>\u6ce8\u89e3\u6307\u5b9a\u4e86\u670d\u52a1\u7684\u540d\u79f0\uff08\u5728\u670d\u52a1\u6ce8\u518c\u4e2d\u5fc3\u6ce8\u518c\u7684\u540d\u79f0\uff09\uff0c\u7136\u540e\u901a\u8fc7@RequestMapping<\/code>\u6ce8\u89e3\u5b9a\u4e49\u4e86\u5bf9\u5e94\u7684HTTP\u8bf7\u6c42\u3002Feign\u4f1a\u5728\u8fd0\u884c\u65f6\u751f\u6210\u5177\u4f53\u7684HTTP\u8bf7\u6c42\u5e76\u6267\u884c\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
    Feign\u662fSpring Cloud\u4e2d\u7684\u4e00\u4e2a\u58f0\u660e\u5f0f\u3001\u6a21\u677f\u5316\u7684HTTP\u5ba2\u6237\u7aef\uff0c\u7528\u4e8e\u7b80\u5316\u670d\u52a1\u95f4\u7684HTTP\u901a\u4fe1\u3002Fe […]<\/p>\n","protected":false},"author":9,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[117],"tags":[],"class_list":["post-9300","post","type-post","status-publish","format-standard","hentry","category-springcloud"],"_links":{"self":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/9300","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\/9"}],"replies":[{"embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/comments?post=9300"}],"version-history":[{"count":2,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/9300\/revisions"}],"predecessor-version":[{"id":16711,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/9300\/revisions\/16711"}],"wp:attachment":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/media?parent=9300"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/categories?post=9300"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/tags?post=9300"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}