{"id":1697,"date":"2023-06-27T13:54:14","date_gmt":"2023-06-27T05:54:14","guid":{"rendered":"https:\/\/xinchewhd.com.cn\/?p=1697"},"modified":"2023-06-27T13:54:14","modified_gmt":"2023-06-27T05:54:14","slug":"golang%e9%9d%a2%e8%af%95%e5%ae%9d%e5%85%b8-go%e8%af%ad%e8%a8%80%e5%ae%9e%e7%8e%b023%e7%a7%8d%e8%ae%be%e8%ae%a1%e6%a8%a1%e5%bc%8f%e4%b9%8b%e8%a1%8c%e4%b8%ba%e5%9e%8b%e6%a8%a1%e5%bc%8f-2","status":"publish","type":"post","link":"https:\/\/xinchewhd.com.cn\/index.php\/go\/golang%e9%9d%a2%e8%af%95%e5%ae%9d%e5%85%b8-go%e8%af%ad%e8%a8%80%e5%ae%9e%e7%8e%b023%e7%a7%8d%e8%ae%be%e8%ae%a1%e6%a8%a1%e5%bc%8f%e4%b9%8b%e8%a1%8c%e4%b8%ba%e5%9e%8b%e6%a8%a1%e5%bc%8f-2\/","title":{"rendered":"Golang\u9762\u8bd5\u5b9d\u5178\u2014\u2014Go\u8bed\u8a00\u5b9e\u73b023\u79cd\u8bbe\u8ba1\u6a21\u5f0f\u4e4b\u884c\u4e3a\u578b\u6a21\u5f0f(\u4e2d)"},"content":{"rendered":"
\n
\n

\/ <\/span><\/span>\u5173\u4e8eGolang\u9762\u8bd5\u5b9d\u5178\/<\/span><\/h1>\n

\u6700\u8fd1\u51e0\u5e74\uff0cGo\u7684\u70ed\u5ea6\u6301\u7eed\u98d9\u5347\uff0c\u56fd\u5185\u5916\u5f88\u591a\u5927\u516c\u53f8\u90fd\u5728\u5927\u89c4\u6a21\u7684\u4f7f\u7528Go\u3002Google\u662fGo\u8bed\u8a00\u8bde\u751f\u7684\u5730\u65b9\uff0c\u5176\u4ed6\u516c\u53f8\u5982Facebook\u3001\u817e\u8baf\u3001\u963f\u91cc\u3001\u5b57\u8282\u8df3\u52a8\u3001\u767e\u5ea6\u3001\u4eac\u4e1c\u3001\u5c0f\u7c73\u7b49\u90fd\u5728\u62e5\u62b1\u548c\u8f6c\u5411Go\u3002Go\u8bed\u8a00\u7684\u5f00\u6e90\u9879\u76ee\u4e5f\u975e\u5e38\u591a\uff0c\u5982kubernetes\u3001docker\u3001etcd\u3002<\/p>\n

\u968f\u7740\u5e02\u573a\u5bf9Go\u8bed\u8a00\u4eba\u624d\u9700\u6c42\u7684\u589e\u957f\uff0c\u5f88\u591a\u5f00\u53d1\u8005\u90fd\u6295\u5165\u4e86Go\u8bed\u8a00\u7684\u6000\u62b1\u3002\u672c\u7cfb\u5217\u6587\u7ae0\u5c06\u4ee5\u7b2c\u4e00\u89c6\u89d2\u4e0e\u5927\u5bb6\u4e00\u540c\u5f00\u59cbGolang\u7684\u9762\u8bd5\u4e4b\u8def\uff0c\u5e0c\u671b\u5927\u5bb6\u80fd\u591f\u6709\u6240\u6536\u83b7\uff0c\u62ff\u4e0b\u5fc3\u4eea\u7684offer\u3002<\/p>\n

\/ <\/span><\/span>\u4f7f\u7528Go\u5b9e\u73b023\u79cd\u8bbe\u8ba1\u6a21\u5f0f\u2014\u2014\u884c\u4e3a\u578b\u6a21\u5f0f\uff08\u4e2d\uff09\/<\/span><\/h1>\n

<\/span>\u89c2\u5bdf\u8005\u6a21\u5f0f<\/h2>\n

\u5b9a\u4e49\u5bf9\u8c61\u95f4\u7684\u4e00\u79cd\u4e00\u5bf9\u591a\u7684\u4f9d\u8d56\u5173\u7cfb\uff0c\u5f53\u4e00\u4e2a\u5bf9\u8c61\u7684\u72b6\u6001\u53d1\u751f\u6539\u53d8\u65f6\uff0c\u6240\u6709\u4f9d\u8d56\u4e8e\u5b83\u7684\u5bf9\u8c61\u90fd\u5f97\u5230\u901a\u77e5\u5e76\u88ab\u81ea\u52a8\u66f4\u65b0<\/p>\n

? <\/span>\u9002\u7528\u573a\u666f<\/span><\/h3>\n
    \n
  1. \n
    \u5bf9\u4e00\u4e2a\u5bf9\u8c61\u72b6\u6001\u6216\u6570\u636e\u7684\u66f4\u65b0\u9700\u8981\u5176\u4ed6\u5bf9\u8c61\u540c\u6b65\u66f4\u65b0\uff0c\u6216\u8005\u4e00\u4e2a\u5bf9\u8c61\u7684\u66f4\u65b0\u9700\u8981\u4f9d\u8d56\u53e6\u4e00\u4e2a\u5bf9\u8c61\u7684\u66f4\u65b0<\/section>\n<\/li>\n
  2. \n
    \u5bf9\u8c61\u4ec5\u9700\u8981\u5c06\u81ea\u5df1\u7684\u66f4\u65b0\u901a\u77e5\u7ed9\u5176\u4ed6\u5bf9\u8c61\u800c\u4e0d\u9700\u8981\u77e5\u9053\u5176\u4ed6\u5bf9\u8c61\u7684\u7ec6\u8282\uff0c\u5982\u6d88\u606f\u63a8\u9001\u7b49<\/section>\n<\/li>\n<\/ol>\n

    ? <\/span>Go\u8bed\u8a00\u5b9e\u73b0<\/span><\/h3>\n
    type<\/span> Event struct<\/span> {
     Data string<\/span>
    }

    type<\/span> IObServer interface<\/span> {
     Update(event *Event)
    }

    type<\/span> ISubject interface<\/span> {
     Register(server IObServer)
     Remove(server IObServer)
     Notify(event *Event)
    }

    type<\/span> ObServer struct<\/span> {
     Id int<\/span>
    }

    func<\/span> (s *ObServer)<\/span> Update<\/span>(event *Event)<\/span><\/span> {
     fmt.Printf(\"observer %d msg: %s\"<\/span>, s.Id, event.Data)
    }

    type<\/span> Subject struct<\/span> {
     ObServers map<\/span>[IObServer]struct<\/span>{}
    }

    func<\/span> NewSubject<\/span>()<\/span> *Subject<\/span><\/span> {
     return<\/span> &Subject{ObServers: make<\/span>(map<\/span>[IObServer]struct<\/span>{})}
    }

    func<\/span> (s *Subject)<\/span> Register<\/span>(server IObServer)<\/span><\/span> {
     s.ObServers[server] = struct<\/span>{}{}
    }

    func<\/span> (s *Subject)<\/span> Remove<\/span>(server IObServer)<\/span><\/span> {
     delete<\/span>(s.ObServers, server)
    }

    func<\/span> (s *Subject)<\/span> Notify<\/span>(event *Event)<\/span><\/span> {
     for<\/span> ob, _ := range<\/span> s.ObServers {
      ob.Update(event)
     }
    }

    func<\/span> main<\/span>()<\/span><\/span> {
     s := NewSubject()

     o1 := ObServer{Id: 1<\/span>}
     o2 := ObServer{Id: 2<\/span>}

     s.Register(&o1)
     s.Register(&o2)

     s.Notify(&Event{Data: \"123\"<\/span>})
    }
    <\/code><\/pre>\n
    ? <\/span>\u89c2\u5bdf\u8005\u6a21\u5f0f\u4f18\u70b9<\/span><\/h3>\n
      \n
    1. \n
      \u4f60\u65e0\u9700\u4fee\u6539\u88ab\u89c2\u5bdf\u8005\u4ee3\u7801\u5c31\u80fd\u5f15\u5165\u65b0\u7684\u89c2\u5bdf\u8005<\/section>\n<\/li>\n
    2. \n
      \u4f60\u53ef\u4ee5\u5728\u8fd0\u884c\u65f6\u5efa\u7acb\u5bf9\u8c61\u4e4b\u95f4\u7684\u8054\u7cfb<\/section>\n<\/li>\n<\/ol>\n
      ? <\/span>\u89c2\u5bdf\u8005\u6a21\u5f0f\u7f3a\u70b9<\/span><\/h3>\n
        \n
      1. \n
        \u89c2\u5bdf\u8005\u7684\u901a\u77e5\u987a\u5e8f\u662f\u968f\u673a\u7684<\/section>\n<\/li>\n<\/ol>\n
        <\/span>\u5907\u5fd8\u5f55\u6a21\u5f0f<\/h2>\n
        \u5728\u4e0d\u7834\u574f\u5c01\u88c5\u6027\u7684\u524d\u63d0\u4e0b\uff0c\u6355\u83b7\u4e00\u4e2a\u5bf9\u8c61\u7684\u5185\u90e8\u72b6\u6001\uff0c\u5e76\u5728\u8be5\u5bf9\u8c61\u4e4b\u5916\u4fdd\u5b58\u8fd9\u4e2a\u72b6\u6001<\/p>\n
        ? <\/span>\u9002\u7528\u573a\u666f<\/span><\/h3>\n
          \n
        1. \n
          \u56de\u9000\u573a\u666f\u3001\u64a4\u9500\u91cd\u505a<\/section>\n<\/li>\n
        2. \n
          \u5907\u4efd\u4e0e\u8fd8\u539f\u3001\u5feb\u7167\u4e0e\u6062\u590d<\/section>\n<\/li>\n<\/ol>\n
          ? <\/span>Go\u8bed\u8a00\u5b9e\u73b0<\/span><\/h3>\n
          type<\/span> Memento struct<\/span> {
           State string<\/span>
          }

          func<\/span> (m *Memento)<\/span> SetState<\/span>(s string<\/span>)<\/span><\/span> {
           m.State = s
          }

          func<\/span> (m *Memento)<\/span> GetState<\/span>()<\/span> string<\/span><\/span> {
           return<\/span> m.State
          }

          func<\/span> (m *Memento)<\/span> CreateMemento<\/span>()<\/span> *Memento<\/span><\/span> {
           return<\/span> &Memento{State: m.State}
          }

          type<\/span> CareTaker struct<\/span> {
           memento *Memento
          }

          func<\/span> (c *CareTaker)<\/span> GetMemento<\/span>()<\/span> *Memento<\/span><\/span> {
           return<\/span> c.memento
          }

          func<\/span> (c *CareTaker)<\/span> SetMemento<\/span>(m *Memento)<\/span><\/span> {
           c.memento = m
          }

          func<\/span> main<\/span>()<\/span><\/span> {
           o := Memento{State: \"running\"<\/span>}
           fmt.Printf(\"\u5f53\u524d\u72b6\u6001: %s\"<\/span>, o.State)

           c := new<\/span>(CareTaker)
           c.SetMemento(o.CreateMemento())

           o.SetState(\"finish\"<\/span>)
           fmt.Printf(\"\u4fee\u6539\u540e\u7684\u72b6\u6001: %s\"<\/span>, o.State)

           o.SetState(c.GetMemento().GetState())
           fmt.Printf(\"\u8fd8\u539f\u540e\u7684\u72b6\u6001: %s\"<\/span>, o.State)
          }
          <\/code><\/pre>\n
          ? <\/span>\u5907\u5fd8\u5f55\u6a21\u5f0f\u4f18\u70b9<\/span><\/h3>\n
            \n
          1. \n
            \u80fd\u591f\u5f88\u65b9\u4fbf\u7684\u56de\u5230\u67d0\u4e2a\u5386\u53f2\u72b6\u6001<\/section>\n<\/li>\n
          2. \n
            \u5b9e\u73b0\u4e86\u4fe1\u606f\u7684\u5c01\u88c5\uff0c\u4f7f\u7528\u65b9\u4e0d\u9700\u8981\u5173\u5fc3\u72b6\u6001\u7684\u4fdd\u5b58\u7ec6\u8282<\/section>\n<\/li>\n<\/ol>\n
            ? <\/span>\u5907\u5fd8\u5f55\u6a21\u5f0f\u7f3a\u70b9<\/span><\/h3>\n
              \n
            1. \n
              \u6d88\u8017\u8d44\u6e90<\/section>\n<\/li>\n<\/ol>\n
              <\/span>\u4e2d\u4ecb\u8005\u6a21\u5f0f<\/h2>\n
              \u5b9a\u4e49\u4e00\u4e2a\u4e2d\u4ecb\u5bf9\u8c61\u6765\u7b80\u5316\u539f\u6709\u5bf9\u8c61\u4e4b\u95f4\u7684\u4ea4\u4e92\u5173\u7cfb\uff0c\u964d\u4f4e\u7cfb\u7edf\u4e2d\u5bf9\u8c61\u95f4\u7684\u8026\u5408\u5ea6\uff0c\u4f7f\u539f\u6709\u5bf9\u8c61\u4e4b\u95f4\u4e0d\u5fc5\u76f8\u4e92\u4e86\u89e3<\/p>\n
              ? <\/span>\u9002\u7528\u573a\u666f<\/span><\/h3>\n
                \n
              1. \n
                \u7cfb\u7edf\u4e2d\u7684\u5bf9\u8c61\u4e4b\u95f4\u5b58\u5728\u590d\u6742\u7684\u5f15\u7528\u5173\u7cfb\uff0c\u5982\u76f8\u4e92\u4f9d\u8d56<\/section>\n<\/li>\n
              2. \n
                \u5b58\u5728\u4ea4\u4e92\u7684\u516c\u5171\u884c\u4e3a\uff0c\u5982\u679c\u9700\u8981\u6539\u53d8\u884c\u4e3a\u53ef\u589e\u52a0\u4e2d\u4ecb\u8005\u7c7b<\/section>\n<\/li>\n<\/ol>\n
                ? <\/span>Go\u8bed\u8a00\u5b9e\u73b0<\/span><\/h3>\n
                type<\/span> Item interface<\/span> {
                 SendMsg(msg string<\/span>)
                 GetMsg(msg string<\/span>)
                }

                type<\/span> User struct<\/span> {
                 mediator *Mediator
                }

                func<\/span> (u *User)<\/span> SendMsg<\/span>(msg string<\/span>)<\/span><\/span> {
                 u.mediator.ForwardMsg(u, msg)
                }

                func<\/span> (u *User)<\/span> GetMsg<\/span>(msg string<\/span>)<\/span><\/span> {
                 fmt.Printf(\"user get msg: %s: \"<\/span>, msg)
                }

                type<\/span> Server struct<\/span> {
                 mediator *Mediator
                }

                func<\/span> (s *Server)<\/span> SendMsg<\/span>(msg string<\/span>)<\/span><\/span> {
                 s.mediator.ForwardMsg(s, msg)
                }

                func<\/span> (s *Server)<\/span> GetMsg<\/span>(msg string<\/span>)<\/span><\/span> {
                 fmt.Printf(\"server get msg: %s\"<\/span>, msg)
                }

                type<\/span> Mediator struct<\/span> {
                 User
                 Server
                }

                func<\/span> (m *Mediator)<\/span> ForwardMsg<\/span>(item Item, msg string<\/span>)<\/span><\/span> {
                 switch<\/span> item.(type<\/span>) {
                 case<\/span> *User:
                  m.Server.GetMsg(msg)
                  break<\/span>
                 case<\/span> *Server:
                  m.User.GetMsg(msg)
                  break<\/span>
                 default<\/span>:
                  fmt.Printf(\"Error\"<\/span>)
                 }
                }

                func<\/span> main<\/span>()<\/span><\/span> {
                 mediator := Mediator{}

                 u := User{}
                 s := Server{}

                 mediator.User = u
                 mediator.Server = s

                 u.SendMsg(\"Hello\"<\/span>)
                 s.SendMsg(\"Hi\"<\/span>)
                }
                <\/code><\/pre>\n
                ? <\/span>\u4e2d\u4ecb\u8005\u6a21\u5f0f\u4f18\u70b9<\/span><\/h3>\n
                  \n
                1. \n
                  \u51cf\u5c11\u7c7b\u95f4\u7684\u4f9d\u8d56\uff0c\u964d\u4f4e\u7c7b\u95f4\u8026\u5408<\/section>\n<\/li>\n<\/ol>\n
                  ? <\/span>\u4e2d\u4ecb\u8005\u6a21\u5f0f\u7f3a\u70b9<\/span><\/h3>\n
                    \n
                  1. \n
                    \u5f53\u540c\u4e8b\u7c7b\u8d8a\u591a\u65f6\u4e2d\u4ecb\u8005\u5c31\u8d8a\u81c3\u80bf<\/section>\n<\/li>\n<\/ol>\n<\/section>\n

                    <\/p>\n
                    <\/mp-style-type><\/p>\n
                    \n
                    \u672c\u7bc7\u6587\u7ae0\u6765\u6e90\u4e8e\u5fae\u4fe1\u516c\u4f17\u53f7:                 \u8349\u8393\u6a59\u6c41\u513f              <\/p>\n<\/blockquote>\n<\/div>\n","raw":"","protected":false},"excerpt":{"rendered":"
                    \/ \u5173\u4e8eGolang\u9762\u8bd5\u5b9d\u5178\/ \u6700\u8fd1\u51e0\u5e74\uff0cGo\u7684\u70ed\u5ea6\u6301\u7eed\u98d9\u5347\uff0c\u56fd\u5185\u5916\u5f88\u591a\u5927\u516c\u53f8\u90fd\u5728\u5927\u89c4\u6a21\u7684\u4f7f\u7528Go\u3002Google\u662fGo\u8bed\u8a00\u8bde\u751f\u7684\u5730 …<\/p>\n","protected":false},"author":1,"featured_media":1696,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"emotion":"","emotion_color":"","title_style":"","license":"","footnotes":""},"categories":[23],"tags":[],"class_list":["post-1697","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-go"],"post_thumbnail_image":"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2023\/05\/20230528044536212-150x150.jpeg","content_first_image":null,"post_medium_image_300":"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2023\/05\/20230528044536212-300x128.jpeg","post_thumbnail_image_624":"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2023\/05\/20230528044536212-1024x435.jpeg","post_frist_image":null,"post_medium_image":"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2023\/05\/20230528044536212-300x128.jpeg","post_large_image":"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2023\/05\/20230528044536212-1024x435.jpeg","post_full_image":"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2023\/05\/20230528044536212.jpeg","post_all_images":[],"videoAdId":"","listAd":"0","listAdId":"","listAdEvery":6,"total_comments":0,"category_name":"Go","post_date":"2023-06-27","like_count":"0","praiseWord":"\u9f13\u52b1","copyright_state":"","excitationAd":"0","rewardedVideoAdId":"","detailAdId":"","detailAd":"0","enterpriseMinapp":"0","audios":[],"postImageUrl":"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2023\/05\/20230519082947553.jpg","avatarurls":[],"related_posts":null,"pageviews":274,"next_post_id":1670,"next_post_title":"Golang\u9762\u8bd5\u5b9d\u5178\u2014\u2014Go\u8bed\u8a00\u5b9e\u73b023\u79cd\u8bbe\u8ba1\u6a21\u5f0f\u4e4b\u7ed3\u6784\u578b\u6a21\u5f0f(\u4e0b)","previous_post_id":null,"previous_post_title":null,"_links":{"self":[{"href":"https:\/\/xinchewhd.com.cn\/index.php\/wp-json\/wp\/v2\/posts\/1697","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/xinchewhd.com.cn\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/xinchewhd.com.cn\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/xinchewhd.com.cn\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/xinchewhd.com.cn\/index.php\/wp-json\/wp\/v2\/comments?post=1697"}],"version-history":[{"count":0,"href":"https:\/\/xinchewhd.com.cn\/index.php\/wp-json\/wp\/v2\/posts\/1697\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/xinchewhd.com.cn\/index.php\/wp-json\/wp\/v2\/media\/1696"}],"wp:attachment":[{"href":"https:\/\/xinchewhd.com.cn\/index.php\/wp-json\/wp\/v2\/media?parent=1697"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/xinchewhd.com.cn\/index.php\/wp-json\/wp\/v2\/categories?post=1697"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/xinchewhd.com.cn\/index.php\/wp-json\/wp\/v2\/tags?post=1697"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}