{"id":207948,"date":"2025-07-08T09:08:56","date_gmt":"2025-07-08T01:08:56","guid":{"rendered":"https:\/\/server.hk\/cnblog\/207948\/"},"modified":"2025-07-08T09:08:56","modified_gmt":"2025-07-08T01:08:56","slug":"%e5%a6%82%e4%bd%95%e9%80%9a%e8%bf%87-go-elasticsearch-%e5%8c%85%e6%b7%bb%e5%8a%a0%e6%98%a0%e5%b0%84","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/207948\/","title":{"rendered":"\u5982\u4f55\u901a\u8fc7 go-elasticsearch \u5305\u6dfb\u52a0\u6620\u5c04"},"content":{"rendered":"<p><b><\/b> <\/p>\n<p>\u5f53\u524d\u4f4d\u7f6e\uff1a <span>&gt;<\/span> <span>&gt;<\/span> <span>&gt;<\/span> <span>&gt;<\/span> <span>\u5982\u4f55\u901a\u8fc7 go-elasticsearch \u5305\u6dfb\u52a0\u6620\u5c04<\/span><\/p>\n<p><span>\u6765\u6e90\uff1astackoverflow<\/span><br \/>\n<span>2024-04-27 09:51:35<\/span><br \/>\n<span><i><\/i>0\u6d4f\u89c8<\/span><br \/>\n<span style=\"cursor: pointer\"><i><\/i>\u6536\u85cf<\/span> <\/p>\n<p>\u201c\u7eb5\u6709\u75be\u98ce\u6765\uff0c\u4eba\u751f\u4e0d\u8a00\u5f03\u201d\uff0c\u8fd9\u53e5\u8bdd\u9001\u7ed9\u6b63\u5728\u5b66\u4e60<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">Golang<\/span>\u7684\u670b\u53cb\u4eec\uff0c\u4e5f\u5e0c\u671b\u5728\u9605\u8bfb\u672c\u6587<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u300a\u5982\u4f55\u901a\u8fc7 go-elasticsearch \u5305\u6dfb\u52a0\u6620\u5c04\u300b<\/span>\u540e\uff0c\u80fd\u591f\u771f\u7684\u5e2e\u52a9\u5230\u5927\u5bb6\u3002\u6211\u4e5f\u4f1a\u5728\u540e\u7eed\u7684\u6587\u7ae0\u4e2d\uff0c\u9646\u7eed\u66f4\u65b0<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">Golang<\/span>\u76f8\u5173\u7684\u6280\u672f\u6587\u7ae0\uff0c\u6709\u597d\u7684\u5efa\u8bae\u6b22\u8fce\u5927\u5bb6\u5728\u8bc4\u8bba\u7559\u8a00\uff0c\u975e\u5e38\u611f\u8c22\uff01<\/p>\n<p> \u95ee\u9898\u5185\u5bb9<br \/>\n <\/p>\n<p>\u57fa\u672c\u4e0a\uff0c\u5f53\u6211\u5c1d\u8bd5\u5c06\u65b0\u6587\u6863\u63d2\u5165\u5230\u4e0d\u5b58\u5728\u7684\u7d22\u5f15\u65f6\uff0c\u5b83\u4f1a\u81ea\u52a8\u8bbe\u7f6e\u4e3a\u52a8\u6001\u6620\u5c04\u3002 \u4f46\u6211\u9047\u5230\u4e86\u4e00\u4e9b\u95ee\u9898\uff0c\u6709\u65f6\u6211\u60f3\u66f4\u6539 ES \u4e0a\u5b57\u6bb5\u7684\u6570\u636e\u7c7b\u578b\u3002<\/p>\n<p>\u6211\u60f3\u901a\u8fc7\u6211\u7684 go-lang \u670d\u52a1\u8bbe\u7f6e\u5b83\uff0c\u4f46\u770b\u8d77\u6765 go-elasticsearch \u5305\u4e0d\u652f\u6301\u5b83\uff1f\u5982\u679c\u6211\u9519\u4e86\u8bf7\u7ea0\u6b63\u6211<\/p>\n<p> <\/p>\n<h2>\u6b63\u786e\u7b54\u6848<\/h2>\n<p> <\/p>\n<p>\u60a8\u53ef\u4ee5\u4f7f\u7528<\/p>\n<p><strong>\u521b\u5efa\u7d22\u5f15<\/strong><\/p>\n<pre>    client := gettypedclient()\n\n    \/\/ create index if not exists\n    index := \"index_name\"\n    if !isindexexists(getclient(), index) {\n        res, err := client.indices.create(getindexname(index)).do(context.background())\n        if err != nil {\n            ...\n        }\n    }\n<\/pre>\n<p>\u5e76<strong>\u653e\u7f6e\u6620\u5c04<\/strong>\u4ee5\u53ca<\/p>\n<pre>    \/\/ update mapping\n    memorymapping := types.newnestedproperty()\n    memorymapping.properties = map[string]types.property{\n        \"total\": types.newintegernumberproperty(),\n        \"free\":  types.newintegernumberproperty(),\n        \"used\":  types.newintegernumberproperty(),\n    }\n\n    uptimemapping := types.newnestedproperty()\n    uptimemapping.properties = map[string]types.property{\n        \"app\": types.newintegernumberproperty(),\n        \"os\":  types.newintegernumberproperty(),\n    }\n\n    loadmapping := types.newnestedproperty()\n    loadmapping.properties = map[string]types.property{\n        \"avg1\":  types.newfloatnumberproperty(),\n        \"avg5\":  types.newfloatnumberproperty(),\n        \"avg15\": types.newfloatnumberproperty(),\n    }\n\n    res, err := client.indices.putmapping(index).\n        request(&amp;putmapping.request{\n            properties: map[string]types.property{\n                \"createdat\": types.newdateproperty(),\n                \"memory\":    memorymapping,\n                \"uptime\":    uptimemapping,\n                \"load\":      loadmapping,\n            },\n        }).\n        do(context.background())\n\n    if err != nil {\n        ...\n    }\n<\/pre>\n<p>\u60a8\u53ef\u4ee5\u4f7f\u7528 go-elasticsearch\/esapi \u521b\u5efa\u7d22\u5f15\u53ca\u5176\u6620\u5c04<\/p>\n<p>\u521b\u5efa\u5982\u4e0b\u8bf7\u6c42\uff1a<\/p>\n<pre>mapping := `{\n    \"settings\": {\n        \"number_of_shards\": 1,\n        \"number_of_replicas\": 1\n      },\n      \"mappings\": {\n        \"properties\": {\n          \"name\": {\n            \"type\": \"text\",\n            \"fields\": {\n              \"keyword\": {\n                \"type\": \"keyword\",\n                \"ignore_above\": 256\n              }\n            }\n          },\n          \"message\": {\n            \"type\": \"text\",\n            \"fields\": {\n              \"keyword\": {\n                \"type\": \"keyword\",\n                \"ignore_above\": 256\n              }\n            }\n          },\n        }\n}`\n\n\/\/ Index - pass index name\n\/\/ Body - pass mapping, settings etc\nindexReq := esapi.IndicesCreateRequest{\n    Index: \"my-index\",\n    Body: strings.NewReader(string(mapping)),\n}\n\nresp, err := indexReq.Do(ctx, elasticclient)\nif err != nil {\n    \/\/ handle error\n}<\/pre>\n<p>\u901a\u8fc7\u8fd9\u79cd\u65b9\u5f0f\uff0c\u60a8\u53ef\u4ee5\u521b\u5efa\u5177\u6709\u7279\u5b9a\u6620\u5c04\u7684\u65b0\u7d22\u5f15<\/p>\n<p>\u4eca\u5929\u5e26\u5927\u5bb6\u4e86\u89e3\u4e86\u7684\u76f8\u5173\u77e5\u8bc6\uff0c\u5e0c\u671b\u5bf9\u4f60\u6709\u6240\u5e2e\u52a9\uff1b\u5173\u4e8eGolang\u7684\u6280\u672f\u77e5\u8bc6\u6211\u4eec\u4f1a\u4e00\u70b9\u70b9\u6df1\u5165\u4ecb\u7ecd\uff0c\u6b22\u8fce\u5927\u5bb6\u5173\u6ce8\u516c\u4f17\u53f7\uff0c\u4e00\u8d77\u5b66\u4e60\u7f16\u7a0b~<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5f53\u524d\u4f4d\u7f6e\uff1a &gt; &gt; &#46;&#46;&#46;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4925],"tags":[],"class_list":["post-207948","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/207948","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=207948"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/207948\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=207948"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=207948"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=207948"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}