{"id":44326,"date":"2023-01-14T07:20:32","date_gmt":"2024-02-07T10:04:21","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e7%94%a8go%e8%af%ad%e8%a8%80%e7%9a%84reflect%e5%92%8cinterface%e8%bf%9b%e8%a1%8c%e9%87%8d%e8%bf%b0\/"},"modified":"2024-04-29T09:50:33","modified_gmt":"2024-04-29T01:50:33","slug":"%e7%94%a8go%e8%af%ad%e8%a8%80%e7%9a%84reflect%e5%92%8cinterface%e8%bf%9b%e8%a1%8c%e9%87%8d%e8%bf%b0","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e7%94%a8go%e8%af%ad%e8%a8%80%e7%9a%84reflect%e5%92%8cinterface%e8%bf%9b%e8%a1%8c%e9%87%8d%e8%bf%b0\/","title":{"rendered":"\u7528Go\u8bed\u8a00\u7684reflect\u548cinterface\u8fdb\u884c\u91cd\u8ff0"},"content":{"rendered":"<p>\u7531\u4e8e\u5bf9golang\u7684reflect\u548cinterface\u8fdb\u884c\u4e86\u5404\u79cd\u8bd5\u9a8c\uff0c\u6240\u4ee5\u5199\u4e0b\u6b64\u5907\u5fd8\u5f55\u3002<\/p>\n<h2>\u53cd\u601d<\/h2>\n<p>\u9996\u5148\u662f\u5173\u4e8e reflect \u7684\uff0c\u4f46\u6211\u60f3\u8981\u5904\u7406\u52a8\u6001\u7c7b\u578b\u7684\u90a3\u4e2a\u90e8\u5206\u3002<br \/>\n\u4e0d\u8fc7\uff0c\u56e0\u4e3a\u6709\u4e00\u5f20\u53cd\u5c04\u8868\u683c\uff0c\u6240\u4ee5\u7279\u522b\u4e0d\u9700\u8981\u89e3\u91ca\u4e86\u5427\uff0c\u6211\u89c9\u5f97\u5b9e\u9645\u5199\u4e00\u4e0b\u53ef\u80fd\u66f4\u5bb9\u6613\u7406\u89e3\u3002<br \/>\nGo \u8bed\u8a00 reflect \u53cd\u5c04\u8868\u683c\u3002<\/p>\n<h2>\u754c\u9762<\/h2>\n<p>\u7ecf\u5e38\u542c\u5230\u7c7b\u4f3c\u4e8e\u65b9\u6cd5\u5217\u8868\u7684\u8bf4\u6cd5\uff0c\u4f46\u662f\u5728Golang\u4e2d\uff0c\u53ef\u4ee5\u7b80\u5355\u5730\u4f7f\u7528\uff0c\u800c\u4e0d\u9700\u8981\u50cfJava\u7684\u63a5\u53e3\u90a3\u6837\u5199\u5f88\u591a\u5185\u5bb9\u3002\u8fd9\u662f\u4e00\u4e2a\u5e38\u89c1\u7684\u4f8b\u5b50\uff0c\u5c31\u50cf\u8fd9\u6837\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">package<\/span> <span class=\"n\">main<\/span>\r\n\r\n<span class=\"k\">import<\/span> <span class=\"p\">(<\/span>\r\n    <span class=\"s\">\"fmt\"<\/span>\r\n<span class=\"p\">)<\/span>\r\n\r\n<span class=\"k\">type<\/span> <span class=\"n\">Animal<\/span> <span class=\"k\">interface<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"n\">Cry<\/span><span class=\"p\">()<\/span> <span class=\"kt\">string<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<span class=\"k\">type<\/span> <span class=\"n\">Dog<\/span> <span class=\"k\">struct<\/span><span class=\"p\">{}<\/span>\r\n\r\n<span class=\"k\">func<\/span> <span class=\"p\">(<\/span><span class=\"n\">d<\/span> <span class=\"o\">*<\/span><span class=\"n\">Dog<\/span><span class=\"p\">)<\/span> <span class=\"n\">Cry<\/span><span class=\"p\">()<\/span> <span class=\"kt\">string<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"k\">return<\/span> <span class=\"s\">\"\u308f\u3093\"<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<span class=\"k\">type<\/span> <span class=\"n\">Cat<\/span> <span class=\"k\">struct<\/span><span class=\"p\">{}<\/span>\r\n\r\n<span class=\"k\">func<\/span> <span class=\"p\">(<\/span><span class=\"n\">c<\/span> <span class=\"o\">*<\/span><span class=\"n\">Cat<\/span><span class=\"p\">)<\/span> <span class=\"n\">Cry<\/span><span class=\"p\">()<\/span> <span class=\"kt\">string<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"k\">return<\/span> <span class=\"s\">\"\u306b\u3083\u3093\"<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<span class=\"k\">func<\/span> <span class=\"n\">Sound<\/span><span class=\"p\">(<\/span><span class=\"n\">a<\/span> <span class=\"n\">Animal<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"n\">fmt<\/span><span class=\"o\">.<\/span><span class=\"n\">Println<\/span><span class=\"p\">(<\/span><span class=\"n\">a<\/span><span class=\"o\">.<\/span><span class=\"n\">Cry<\/span><span class=\"p\">())<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<span class=\"k\">func<\/span> <span class=\"n\">main<\/span><span class=\"p\">()<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"n\">Sound<\/span><span class=\"p\">(<\/span><span class=\"o\">&amp;<\/span><span class=\"n\">Dog<\/span><span class=\"p\">{})<\/span>\r\n    <span class=\"n\">Sound<\/span><span class=\"p\">(<\/span><span class=\"o\">&amp;<\/span><span class=\"n\">Cat<\/span><span class=\"p\">{})<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<p>\u4e2a\u4eba\u5bf9\u8fd9\u6bb5\u4ee3\u7801\u611f\u89c9\u6709\u4e9b\u4e0d\u5bf9\u52b2\uff0c\u4e8e\u662f\u8fdb\u884c\u4e86\u4e00\u4e9b\u8c03\u67e5\uff0c\u4f3c\u4e4e\u53ef\u4ee5\u4f7f\u7528mixin\uff1f\u7c7b\u4f3ctrait\uff1f\u7684\u65b9\u5f0f\u6765\u5b9e\u73b0\u3002<\/p>\n<h2>\u6df7\u5408\uff1f\u7279\u5f81\uff1f<\/h2>\n<p>\u4f7f\u7528golang\u5b9e\u73b0\u7c7b\u4f3c\u4e8ephp trait\u7684\u4e1c\u897f\u53ef\u80fd\u6709\u4e9b\u5947\u602a\uff0c\u4f46\u53ef\u4ee5\u4f7f\u7528interface\u6765\u5b9e\u73b0\u3002\u8ba9\u6211\u7a0d\u5fae\u4fee\u6539\u4e0a\u9762\u7684\u793a\u4f8b\u4ee3\u7801\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">package<\/span> <span class=\"n\">main<\/span>\r\n\r\n<span class=\"k\">import<\/span> <span class=\"p\">(<\/span>\r\n    <span class=\"s\">\"fmt\"<\/span>\r\n<span class=\"p\">)<\/span>\r\n\r\n<span class=\"k\">type<\/span> <span class=\"n\">IAnimal<\/span> <span class=\"k\">interface<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"n\">Cry<\/span><span class=\"p\">()<\/span> <span class=\"kt\">string<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<span class=\"k\">type<\/span> <span class=\"n\">Animal<\/span> <span class=\"k\">struct<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"n\">IAnimal<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<span class=\"k\">type<\/span> <span class=\"n\">Dog<\/span> <span class=\"k\">struct<\/span><span class=\"p\">{}<\/span>\r\n\r\n<span class=\"k\">func<\/span> <span class=\"p\">(<\/span><span class=\"n\">d<\/span> <span class=\"o\">*<\/span><span class=\"n\">Dog<\/span><span class=\"p\">)<\/span> <span class=\"n\">Cry<\/span><span class=\"p\">()<\/span> <span class=\"kt\">string<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"k\">return<\/span> <span class=\"s\">\"\u308f\u3093\"<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<span class=\"k\">type<\/span> <span class=\"n\">Cat<\/span> <span class=\"k\">struct<\/span><span class=\"p\">{}<\/span>\r\n\r\n<span class=\"k\">func<\/span> <span class=\"p\">(<\/span><span class=\"n\">c<\/span> <span class=\"o\">*<\/span><span class=\"n\">Cat<\/span><span class=\"p\">)<\/span> <span class=\"n\">Cry<\/span><span class=\"p\">()<\/span> <span class=\"kt\">string<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"k\">return<\/span> <span class=\"s\">\"\u306b\u3083\u3093\"<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<span class=\"k\">func<\/span> <span class=\"n\">main<\/span><span class=\"p\">()<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"n\">dog<\/span> <span class=\"o\">:=<\/span> <span class=\"n\">Animal<\/span><span class=\"p\">{<\/span><span class=\"o\">&amp;<\/span><span class=\"n\">Dog<\/span><span class=\"p\">{}}<\/span>\r\n    <span class=\"n\">fmt<\/span><span class=\"o\">.<\/span><span class=\"n\">Println<\/span><span class=\"p\">(<\/span><span class=\"n\">dog<\/span><span class=\"o\">.<\/span><span class=\"n\">Cry<\/span><span class=\"p\">())<\/span>\r\n\r\n    <span class=\"n\">cat<\/span> <span class=\"o\">:=<\/span> <span class=\"n\">Animal<\/span><span class=\"p\">{<\/span><span class=\"o\">&amp;<\/span><span class=\"n\">Cat<\/span><span class=\"p\">{}}<\/span>\r\n    <span class=\"n\">fmt<\/span><span class=\"o\">.<\/span><span class=\"n\">Println<\/span><span class=\"p\">(<\/span><span class=\"n\">cat<\/span><span class=\"o\">.<\/span><span class=\"n\">Cry<\/span><span class=\"p\">())<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<p>\u867d\u7136\u6ca1\u6709\u5bf9\u5df2\u7ecf\u58f0\u660e\u7684Dog\u548cCat\u8fdb\u884c\u66f4\u6539\uff0c\u4f46\u662f\u73b0\u5728\u589e\u52a0\u4e86\u4e00\u4e2a\u65b0\u7684\u69cb\u9020\u4f53Animal\u3002\u5b83\u7684\u5185\u5bb9\u57fa\u672c\u4e0a\u662f\u76f4\u63a5\u5c06interface\u63d2\u5165\u5176\u4e2d\u3002<br \/>\n\u5f53\u7136\u4e5f\u53ef\u4ee5\u7ed9\u5b83\u8d77\u4e00\u4e2a\u540d\u5b57\uff0c\u4f46\u662f\u8fd9\u6837\u4e00\u6765\u5728\u8c03\u7528\u65f6\u5c31\u9700\u8981\u5199\u51fa\u8fd9\u4e2a\u540d\u5b57\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">type<\/span> <span class=\"n\">Animal<\/span> <span class=\"k\">struct<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"n\">inf<\/span> <span class=\"n\">IAnimal<\/span>\r\n<span class=\"p\">}<\/span>\r\n<span class=\"k\">func<\/span> <span class=\"n\">main<\/span><span class=\"p\">()<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"n\">dog<\/span> <span class=\"o\">:=<\/span> <span class=\"n\">Animal<\/span><span class=\"p\">{<\/span><span class=\"o\">&amp;<\/span><span class=\"n\">Dog<\/span><span class=\"p\">{}}<\/span>\r\n    <span class=\"n\">fmt<\/span><span class=\"o\">.<\/span><span class=\"n\">Println<\/span><span class=\"p\">(<\/span><span class=\"n\">dog<\/span><span class=\"o\">.<\/span><span class=\"n\">inf<\/span><span class=\"o\">.<\/span><span class=\"n\">Cry<\/span><span class=\"p\">())<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<h2>\u8fd0\u7528reflect\u52a8\u6001\u5730&#8230;<\/h2>\n<p>\u6211\u672c\u6253\u7b97\u8fd9\u6837\u505a\u7684\uff0c\u4f46\u6700\u540e\u7684\u7ed3\u679c\u662f\u5fc5\u987b\u660e\u786e\u5730\u5728\u67d0\u4e2a\u5730\u65b9\u5199\u4e0b\u7c7b\u578b\u624d\u80fd\u4f7f\u5176\u6b63\u5e38\u5de5\u4f5c\u3002\u6211\u60f3\u505a\u7684\u662f\u6839\u636e\u5b58\u50a8\u5728\u6570\u636e\u5e93\u4e2d\u7684\u503c\u6765\u751f\u6210\u5b9e\u4f8b\u5e76\u8c03\u7528\u51fd\u6570\uff0c\u4f46\u662f&#8230;\u5728\u5c06\u503c\u5b58\u50a8\u5230\u7ed3\u6784\u4f53\u4e2d\u5e76\u4f7f\u7528reflect\u7f16\u5199\u7684\u90e8\u5206\u8fd8\u4e0d\u9519\uff0c\u4f46\u5728\u6700\u521d\u7684\u5904\u7406\u4e2d\u4f7f\u7528\u4e86switch\u7ed3\u679c\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">package<\/span> <span class=\"n\">main<\/span>\r\n\r\n<span class=\"k\">import<\/span> <span class=\"p\">(<\/span>\r\n    <span class=\"s\">\"fmt\"<\/span>\r\n    <span class=\"s\">\"reflect\"<\/span>\r\n    <span class=\"s\">\"strconv\"<\/span>\r\n<span class=\"p\">)<\/span>\r\n\r\n<span class=\"k\">type<\/span> <span class=\"n\">IContainer<\/span> <span class=\"k\">interface<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"n\">MethodA<\/span><span class=\"p\">()<\/span> <span class=\"kt\">string<\/span>\r\n    <span class=\"n\">MethodB<\/span><span class=\"p\">(<\/span><span class=\"n\">x<\/span><span class=\"p\">,<\/span> <span class=\"n\">y<\/span> <span class=\"kt\">int<\/span><span class=\"p\">)<\/span> <span class=\"kt\">int<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<span class=\"k\">type<\/span> <span class=\"n\">Driver<\/span> <span class=\"k\">struct<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"n\">IContainer<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<span class=\"k\">type<\/span> <span class=\"n\">DriverType<\/span> <span class=\"kt\">int<\/span>\r\n\r\n<span class=\"k\">const<\/span> <span class=\"p\">(<\/span>\r\n    <span class=\"n\">ADD<\/span> <span class=\"o\">=<\/span> <span class=\"s\">\"ADD\"<\/span>\r\n    <span class=\"n\">MINUS<\/span> <span class=\"o\">=<\/span> <span class=\"s\">\"MINUS\"<\/span>\r\n<span class=\"p\">)<\/span>\r\n\r\n<span class=\"k\">func<\/span> <span class=\"n\">CreateDriver<\/span><span class=\"p\">(<\/span><span class=\"n\">driver<\/span> <span class=\"kt\">string<\/span><span class=\"p\">)<\/span> <span class=\"n\">IContainer<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"k\">switch<\/span> <span class=\"n\">driver<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"k\">case<\/span> <span class=\"n\">ADD<\/span><span class=\"o\">:<\/span>\r\n        <span class=\"k\">return<\/span> <span class=\"o\">&amp;<\/span><span class=\"n\">Add<\/span><span class=\"p\">{}<\/span>\r\n    <span class=\"k\">case<\/span> <span class=\"n\">MINUS<\/span><span class=\"o\">:<\/span>\r\n        <span class=\"k\">return<\/span> <span class=\"o\">&amp;<\/span><span class=\"n\">Minus<\/span><span class=\"p\">{}<\/span>\r\n    <span class=\"p\">}<\/span>\r\n    <span class=\"k\">return<\/span> <span class=\"no\">nil<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<span class=\"k\">func<\/span> <span class=\"n\">New<\/span><span class=\"p\">(<\/span><span class=\"n\">driver<\/span> <span class=\"kt\">string<\/span><span class=\"p\">,<\/span> <span class=\"n\">args<\/span> <span class=\"o\">...<\/span><span class=\"k\">interface<\/span><span class=\"p\">{})<\/span> <span class=\"o\">*<\/span><span class=\"n\">Driver<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"n\">container<\/span> <span class=\"o\">:=<\/span> <span class=\"n\">CreateDriver<\/span><span class=\"p\">(<\/span><span class=\"n\">driver<\/span><span class=\"p\">)<\/span>\r\n    <span class=\"n\">rt<\/span><span class=\"p\">,<\/span> <span class=\"n\">rv<\/span> <span class=\"o\">:=<\/span> <span class=\"n\">reflect<\/span><span class=\"o\">.<\/span><span class=\"n\">TypeOf<\/span><span class=\"p\">(<\/span><span class=\"n\">container<\/span><span class=\"p\">)<\/span><span class=\"o\">.<\/span><span class=\"n\">Elem<\/span><span class=\"p\">(),<\/span> <span class=\"n\">reflect<\/span><span class=\"o\">.<\/span><span class=\"n\">ValueOf<\/span><span class=\"p\">(<\/span><span class=\"n\">container<\/span><span class=\"p\">)<\/span><span class=\"o\">.<\/span><span class=\"n\">Elem<\/span><span class=\"p\">()<\/span>\r\n    <span class=\"k\">for<\/span> <span class=\"n\">i<\/span><span class=\"p\">,<\/span> <span class=\"n\">arg<\/span> <span class=\"o\">:=<\/span> <span class=\"k\">range<\/span> <span class=\"n\">args<\/span> <span class=\"p\">{<\/span>\r\n        <span class=\"n\">field<\/span> <span class=\"o\">:=<\/span> <span class=\"n\">rt<\/span><span class=\"o\">.<\/span><span class=\"n\">Field<\/span><span class=\"p\">(<\/span><span class=\"n\">i<\/span><span class=\"p\">)<\/span>\r\n        <span class=\"n\">value<\/span> <span class=\"o\">:=<\/span> <span class=\"n\">rv<\/span><span class=\"o\">.<\/span><span class=\"n\">FieldByName<\/span><span class=\"p\">(<\/span><span class=\"n\">field<\/span><span class=\"o\">.<\/span><span class=\"n\">Name<\/span><span class=\"p\">)<\/span>\r\n        <span class=\"n\">value<\/span><span class=\"o\">.<\/span><span class=\"n\">Set<\/span><span class=\"p\">(<\/span><span class=\"n\">reflect<\/span><span class=\"o\">.<\/span><span class=\"n\">ValueOf<\/span><span class=\"p\">(<\/span><span class=\"n\">arg<\/span><span class=\"p\">))<\/span>\r\n    <span class=\"p\">}<\/span>\r\n\r\n    <span class=\"k\">return<\/span> <span class=\"o\">&amp;<\/span><span class=\"n\">Driver<\/span><span class=\"p\">{<\/span><span class=\"n\">container<\/span><span class=\"p\">}<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<span class=\"k\">type<\/span> <span class=\"n\">Add<\/span> <span class=\"k\">struct<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"n\">Value<\/span> <span class=\"kt\">int<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<span class=\"k\">func<\/span> <span class=\"p\">(<\/span><span class=\"n\">c<\/span> <span class=\"o\">*<\/span><span class=\"n\">Add<\/span><span class=\"p\">)<\/span> <span class=\"n\">MethodA<\/span><span class=\"p\">()<\/span> <span class=\"kt\">string<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"k\">return<\/span> <span class=\"n\">strconv<\/span><span class=\"o\">.<\/span><span class=\"n\">Itoa<\/span><span class=\"p\">(<\/span><span class=\"n\">c<\/span><span class=\"o\">.<\/span><span class=\"n\">Value<\/span><span class=\"p\">)<\/span>\r\n<span class=\"p\">}<\/span>\r\n<span class=\"k\">func<\/span> <span class=\"p\">(<\/span><span class=\"n\">c<\/span> <span class=\"o\">*<\/span><span class=\"n\">Add<\/span><span class=\"p\">)<\/span> <span class=\"n\">MethodB<\/span><span class=\"p\">(<\/span><span class=\"n\">x<\/span><span class=\"p\">,<\/span> <span class=\"n\">y<\/span> <span class=\"kt\">int<\/span><span class=\"p\">)<\/span> <span class=\"kt\">int<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"k\">return<\/span> <span class=\"p\">(<\/span><span class=\"n\">x<\/span> <span class=\"o\">+<\/span> <span class=\"n\">y<\/span><span class=\"p\">)<\/span> <span class=\"o\">+<\/span> <span class=\"n\">c<\/span><span class=\"o\">.<\/span><span class=\"n\">Value<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<span class=\"k\">type<\/span> <span class=\"n\">Minus<\/span> <span class=\"k\">struct<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"n\">Value<\/span> <span class=\"kt\">int<\/span>\r\n    <span class=\"n\">Digit<\/span> <span class=\"kt\">int<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<span class=\"k\">func<\/span> <span class=\"p\">(<\/span><span class=\"n\">c<\/span> <span class=\"o\">*<\/span><span class=\"n\">Minus<\/span><span class=\"p\">)<\/span> <span class=\"n\">MethodA<\/span><span class=\"p\">()<\/span> <span class=\"kt\">string<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"k\">return<\/span> <span class=\"n\">fmt<\/span><span class=\"o\">.<\/span><span class=\"n\">Sprintf<\/span><span class=\"p\">(<\/span><span class=\"s\">\"%d, %d\"<\/span><span class=\"p\">,<\/span> <span class=\"n\">c<\/span><span class=\"o\">.<\/span><span class=\"n\">Value<\/span><span class=\"p\">,<\/span> <span class=\"n\">c<\/span><span class=\"o\">.<\/span><span class=\"n\">Digit<\/span><span class=\"p\">)<\/span>\r\n<span class=\"p\">}<\/span>\r\n<span class=\"k\">func<\/span> <span class=\"p\">(<\/span><span class=\"n\">c<\/span> <span class=\"o\">*<\/span><span class=\"n\">Minus<\/span><span class=\"p\">)<\/span> <span class=\"n\">MethodB<\/span><span class=\"p\">(<\/span><span class=\"n\">x<\/span><span class=\"p\">,<\/span> <span class=\"n\">y<\/span> <span class=\"kt\">int<\/span><span class=\"p\">)<\/span> <span class=\"kt\">int<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"k\">return<\/span> <span class=\"n\">c<\/span><span class=\"o\">.<\/span><span class=\"n\">Value<\/span> <span class=\"o\">-<\/span> <span class=\"p\">(<\/span><span class=\"n\">x<\/span><span class=\"o\">+<\/span><span class=\"n\">y<\/span><span class=\"p\">)<\/span><span class=\"o\">*<\/span><span class=\"n\">c<\/span><span class=\"o\">.<\/span><span class=\"n\">Digit<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<span class=\"k\">func<\/span> <span class=\"n\">main<\/span><span class=\"p\">()<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"n\">a<\/span> <span class=\"o\">:=<\/span> <span class=\"n\">New<\/span><span class=\"p\">(<\/span><span class=\"s\">\"ADD\"<\/span><span class=\"p\">,<\/span> <span class=\"m\">193<\/span><span class=\"p\">)<\/span>\r\n    <span class=\"n\">fmt<\/span><span class=\"o\">.<\/span><span class=\"n\">Println<\/span><span class=\"p\">(<\/span><span class=\"n\">a<\/span><span class=\"o\">.<\/span><span class=\"n\">MethodA<\/span><span class=\"p\">())<\/span>\r\n    <span class=\"n\">fmt<\/span><span class=\"o\">.<\/span><span class=\"n\">Println<\/span><span class=\"p\">(<\/span><span class=\"n\">a<\/span><span class=\"o\">.<\/span><span class=\"n\">MethodB<\/span><span class=\"p\">(<\/span><span class=\"m\">9<\/span><span class=\"p\">,<\/span> <span class=\"m\">3<\/span><span class=\"p\">))<\/span>\r\n\r\n    <span class=\"n\">m<\/span> <span class=\"o\">:=<\/span> <span class=\"n\">New<\/span><span class=\"p\">(<\/span><span class=\"s\">\"MINUS\"<\/span><span class=\"p\">,<\/span> <span class=\"m\">200<\/span><span class=\"p\">,<\/span> <span class=\"m\">3<\/span><span class=\"p\">)<\/span>\r\n    <span class=\"n\">fmt<\/span><span class=\"o\">.<\/span><span class=\"n\">Println<\/span><span class=\"p\">(<\/span><span class=\"n\">m<\/span><span class=\"o\">.<\/span><span class=\"n\">MethodA<\/span><span class=\"p\">())<\/span>\r\n    <span class=\"n\">fmt<\/span><span class=\"o\">.<\/span><span class=\"n\">Println<\/span><span class=\"p\">(<\/span><span class=\"n\">m<\/span><span class=\"o\">.<\/span><span class=\"n\">MethodB<\/span><span class=\"p\">(<\/span><span class=\"m\">3<\/span><span class=\"p\">,<\/span> <span class=\"m\">9<\/span><span class=\"p\">))<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<p>\u53bb\u6e38\u4e50\u573a<\/p>\n<p>\u867d\u7136\u6211\u5199\u4e86\u5f88\u591a\u4e1c\u897f\uff0c\u5b66\u5230\u4e86\u5f88\u591a\u4e1c\u897f\uff0c\u4f46\u6211\u4ecd\u7136\u611f\u89c9\u81ea\u5df1\u7684\u7406\u89e3\u8fd8\u4e0d\u591f\u6df1\u5165\u3002\u5982\u679c\u6709\u66f4\u597d\u7684\u5199\u4f5c\u65b9\u5f0f\uff0c\u8bf7\u52a1\u5fc5\u544a\u8bc9\u6211\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u7531\u4e8e\u5bf9golang\u7684reflect\u548cinterface\u8fdb\u884c\u4e86\u5404\u79cd\u8bd5\u9a8c\uff0c\u6240\u4ee5\u5199\u4e0b\u6b64\u5907\u5fd8\u5f55\u3002 \u53cd\u601d \u9996\u5148\u662f\u5173\u4e8e r [&hellip;]<\/p>\n","protected":false},"author":4,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-44326","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u7528Go\u8bed\u8a00\u7684reflect\u548cinterface\u8fdb\u884c\u91cd\u8ff0 - Blog - Silicon Cloud<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/zh\/blog\/\u7528go\u8bed\u8a00\u7684reflect\u548cinterface\u8fdb\u884c\u91cd\u8ff0\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u7528Go\u8bed\u8a00\u7684reflect\u548cinterface\u8fdb\u884c\u91cd\u8ff0\" \/>\n<meta property=\"og:description\" content=\"\u7531\u4e8e\u5bf9golang\u7684reflect\u548cinterface\u8fdb\u884c\u4e86\u5404\u79cd\u8bd5\u9a8c\uff0c\u6240\u4ee5\u5199\u4e0b\u6b64\u5907\u5fd8\u5f55\u3002 \u53cd\u601d \u9996\u5148\u662f\u5173\u4e8e r [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/zh\/blog\/\u7528go\u8bed\u8a00\u7684reflect\u548cinterface\u8fdb\u884c\u91cd\u8ff0\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - Silicon Cloud\" \/>\n<meta property=\"article:published_time\" content=\"2024-02-07T10:04:21+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-04-29T01:50:33+00:00\" \/>\n<meta name=\"author\" content=\"\u79d1, \u96c5\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u4f5c\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"\u79d1, \u96c5\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 \u5206\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/%e7%94%a8go%e8%af%ad%e8%a8%80%e7%9a%84reflect%e5%92%8cinterface%e8%bf%9b%e8%a1%8c%e9%87%8d%e8%bf%b0\/\",\"url\":\"https:\/\/www.silicloud.com\/zh\/blog\/%e7%94%a8go%e8%af%ad%e8%a8%80%e7%9a%84reflect%e5%92%8cinterface%e8%bf%9b%e8%a1%8c%e9%87%8d%e8%bf%b0\/\",\"name\":\"\u7528Go\u8bed\u8a00\u7684reflect\u548cinterface\u8fdb\u884c\u91cd\u8ff0 - Blog - Silicon Cloud\",\"isPartOf\":{\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/#website\"},\"datePublished\":\"2024-02-07T10:04:21+00:00\",\"dateModified\":\"2024-04-29T01:50:33+00:00\",\"author\":{\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/#\/schema\/person\/41e222757cdd2a3365361328bd79970a\"},\"breadcrumb\":{\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/%e7%94%a8go%e8%af%ad%e8%a8%80%e7%9a%84reflect%e5%92%8cinterface%e8%bf%9b%e8%a1%8c%e9%87%8d%e8%bf%b0\/#breadcrumb\"},\"inLanguage\":\"zh-Hans\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.silicloud.com\/zh\/blog\/%e7%94%a8go%e8%af%ad%e8%a8%80%e7%9a%84reflect%e5%92%8cinterface%e8%bf%9b%e8%a1%8c%e9%87%8d%e8%bf%b0\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/%e7%94%a8go%e8%af%ad%e8%a8%80%e7%9a%84reflect%e5%92%8cinterface%e8%bf%9b%e8%a1%8c%e9%87%8d%e8%bf%b0\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"\u9996\u9875\",\"item\":\"https:\/\/www.silicloud.com\/zh\/blog\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"\u7528Go\u8bed\u8a00\u7684reflect\u548cinterface\u8fdb\u884c\u91cd\u8ff0\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/#website\",\"url\":\"https:\/\/www.silicloud.com\/zh\/blog\/\",\"name\":\"Blog - Silicon Cloud\",\"description\":\"\",\"inLanguage\":\"zh-Hans\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/#\/schema\/person\/41e222757cdd2a3365361328bd79970a\",\"name\":\"\u79d1, \u96c5\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"zh-Hans\",\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/1b2d3e00a7df03689797ebd4af8c5827ba5af936849a71050ec331f4cf902c5d?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/1b2d3e00a7df03689797ebd4af8c5827ba5af936849a71050ec331f4cf902c5d?s=96&d=mm&r=g\",\"caption\":\"\u79d1, \u96c5\"},\"url\":\"https:\/\/www.silicloud.com\/zh\/blog\/author\/keya\/\"},{\"@type\":\"ImageObject\",\"inLanguage\":\"zh-Hans\",\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/%e7%94%a8go%e8%af%ad%e8%a8%80%e7%9a%84reflect%e5%92%8cinterface%e8%bf%9b%e8%a1%8c%e9%87%8d%e8%bf%b0\/#local-main-organization-logo\",\"url\":\"\",\"contentUrl\":\"\",\"caption\":\"Blog - Silicon Cloud\"}]}<\/script>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"\u7528Go\u8bed\u8a00\u7684reflect\u548cinterface\u8fdb\u884c\u91cd\u8ff0 - Blog - Silicon Cloud","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.silicloud.com\/zh\/blog\/\u7528go\u8bed\u8a00\u7684reflect\u548cinterface\u8fdb\u884c\u91cd\u8ff0\/","og_locale":"zh_CN","og_type":"article","og_title":"\u7528Go\u8bed\u8a00\u7684reflect\u548cinterface\u8fdb\u884c\u91cd\u8ff0","og_description":"\u7531\u4e8e\u5bf9golang\u7684reflect\u548cinterface\u8fdb\u884c\u4e86\u5404\u79cd\u8bd5\u9a8c\uff0c\u6240\u4ee5\u5199\u4e0b\u6b64\u5907\u5fd8\u5f55\u3002 \u53cd\u601d \u9996\u5148\u662f\u5173\u4e8e r [&hellip;]","og_url":"https:\/\/www.silicloud.com\/zh\/blog\/\u7528go\u8bed\u8a00\u7684reflect\u548cinterface\u8fdb\u884c\u91cd\u8ff0\/","og_site_name":"Blog - Silicon Cloud","article_published_time":"2024-02-07T10:04:21+00:00","article_modified_time":"2024-04-29T01:50:33+00:00","author":"\u79d1, \u96c5","twitter_card":"summary_large_image","twitter_misc":{"\u4f5c\u8005":"\u79d1, \u96c5","\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4":"2 \u5206"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/www.silicloud.com\/zh\/blog\/%e7%94%a8go%e8%af%ad%e8%a8%80%e7%9a%84reflect%e5%92%8cinterface%e8%bf%9b%e8%a1%8c%e9%87%8d%e8%bf%b0\/","url":"https:\/\/www.silicloud.com\/zh\/blog\/%e7%94%a8go%e8%af%ad%e8%a8%80%e7%9a%84reflect%e5%92%8cinterface%e8%bf%9b%e8%a1%8c%e9%87%8d%e8%bf%b0\/","name":"\u7528Go\u8bed\u8a00\u7684reflect\u548cinterface\u8fdb\u884c\u91cd\u8ff0 - Blog - Silicon Cloud","isPartOf":{"@id":"https:\/\/www.silicloud.com\/zh\/blog\/#website"},"datePublished":"2024-02-07T10:04:21+00:00","dateModified":"2024-04-29T01:50:33+00:00","author":{"@id":"https:\/\/www.silicloud.com\/zh\/blog\/#\/schema\/person\/41e222757cdd2a3365361328bd79970a"},"breadcrumb":{"@id":"https:\/\/www.silicloud.com\/zh\/blog\/%e7%94%a8go%e8%af%ad%e8%a8%80%e7%9a%84reflect%e5%92%8cinterface%e8%bf%9b%e8%a1%8c%e9%87%8d%e8%bf%b0\/#breadcrumb"},"inLanguage":"zh-Hans","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.silicloud.com\/zh\/blog\/%e7%94%a8go%e8%af%ad%e8%a8%80%e7%9a%84reflect%e5%92%8cinterface%e8%bf%9b%e8%a1%8c%e9%87%8d%e8%bf%b0\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/www.silicloud.com\/zh\/blog\/%e7%94%a8go%e8%af%ad%e8%a8%80%e7%9a%84reflect%e5%92%8cinterface%e8%bf%9b%e8%a1%8c%e9%87%8d%e8%bf%b0\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"\u9996\u9875","item":"https:\/\/www.silicloud.com\/zh\/blog\/"},{"@type":"ListItem","position":2,"name":"\u7528Go\u8bed\u8a00\u7684reflect\u548cinterface\u8fdb\u884c\u91cd\u8ff0"}]},{"@type":"WebSite","@id":"https:\/\/www.silicloud.com\/zh\/blog\/#website","url":"https:\/\/www.silicloud.com\/zh\/blog\/","name":"Blog - Silicon Cloud","description":"","inLanguage":"zh-Hans"},{"@type":"Person","@id":"https:\/\/www.silicloud.com\/zh\/blog\/#\/schema\/person\/41e222757cdd2a3365361328bd79970a","name":"\u79d1, \u96c5","image":{"@type":"ImageObject","inLanguage":"zh-Hans","@id":"https:\/\/www.silicloud.com\/zh\/blog\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/1b2d3e00a7df03689797ebd4af8c5827ba5af936849a71050ec331f4cf902c5d?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/1b2d3e00a7df03689797ebd4af8c5827ba5af936849a71050ec331f4cf902c5d?s=96&d=mm&r=g","caption":"\u79d1, \u96c5"},"url":"https:\/\/www.silicloud.com\/zh\/blog\/author\/keya\/"},{"@type":"ImageObject","inLanguage":"zh-Hans","@id":"https:\/\/www.silicloud.com\/zh\/blog\/%e7%94%a8go%e8%af%ad%e8%a8%80%e7%9a%84reflect%e5%92%8cinterface%e8%bf%9b%e8%a1%8c%e9%87%8d%e8%bf%b0\/#local-main-organization-logo","url":"","contentUrl":"","caption":"Blog - Silicon Cloud"}]}},"_links":{"self":[{"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/posts\/44326","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/comments?post=44326"}],"version-history":[{"count":2,"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/posts\/44326\/revisions"}],"predecessor-version":[{"id":84549,"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/posts\/44326\/revisions\/84549"}],"wp:attachment":[{"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/media?parent=44326"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/categories?post=44326"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/tags?post=44326"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}