{"id":48261,"date":"2023-07-19T07:11:29","date_gmt":"2023-11-30T14:26:52","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%b0%bd%e5%8f%af%e8%83%bd%e4%bb%a5%e7%ae%80%e5%8d%95%e6%98%8e%e4%ba%86%e7%9a%84%e6%96%b9%e5%bc%8f%e8%a7%a3%e9%87%8agqlgen%e6%95%99%e7%a8%8b\/"},"modified":"2024-04-30T14:18:15","modified_gmt":"2024-04-30T06:18:15","slug":"%e5%b0%bd%e5%8f%af%e8%83%bd%e4%bb%a5%e7%ae%80%e5%8d%95%e6%98%8e%e4%ba%86%e7%9a%84%e6%96%b9%e5%bc%8f%e8%a7%a3%e9%87%8agqlgen%e6%95%99%e7%a8%8b","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%b0%bd%e5%8f%af%e8%83%bd%e4%bb%a5%e7%ae%80%e5%8d%95%e6%98%8e%e4%ba%86%e7%9a%84%e6%96%b9%e5%bc%8f%e8%a7%a3%e9%87%8agqlgen%e6%95%99%e7%a8%8b\/","title":{"rendered":"\u5c3d\u53ef\u80fd\u4ee5\u7b80\u5355\u660e\u4e86\u7684\u65b9\u5f0f\u89e3\u91cagqlgen\u6559\u7a0b"},"content":{"rendered":"<h1>\u9996\u5148<\/h1>\n<p>\u4f5c\u4e3a\u6211\u7684\u7b2c\u4e8c\u5bb6\u5de5\u7a0b\u5e08\u5b9e\u4e60\u516c\u53f8\uff0c\u6211\u5c06\u4f7f\u7528Golang+GraphQL\u8fdb\u884c\u5f00\u53d1\u3002<br \/>\n\u5c3d\u7ba1\u6700\u8fd1\u5bf9\u8fd9\u4e2a\u9886\u57df\u7684\u7406\u89e3\u6709\u6240\u63d0\u9ad8\uff0c\u4f46\u4f5c\u4e3a\u4e00\u4e2a\u53ea\u4e86\u89e3REST\u4ee5\u5916\u4e16\u754c\u7684\u4eba\u6765\u8bf4\uff0c\u6211\u8fd8\u4e0d\u592a\u660e\u767dgqlgen\u80fd\u4e3a\u6211\u505a\u4e9b\u4ec0\u4e48\uff0c\u5b83\u6709\u4ec0\u4e48\u65b9\u4fbf\u4e4b\u5904\u3002\u6240\u4ee5\uff0c\u6211\u60f3\u4e3a\u90a3\u4e9b\u5904\u4e8e\u7c7b\u4f3c\u5883\u5730\u7684\u4eba\u5199\u4e00\u7bc7\u6587\u7ae0\u3002<\/p>\n<h1>\u524d\u63d0\u6982\u5ff5<\/h1>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">GraphQL\u306e\u57fa\u672c\u304c\u308f\u304b\u308b<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">Golang\u306e\u57fa\u672c\u6587\u6cd5\u304c\u308f\u304b\u308b<\/ul>\n<h1>gqlgen\u662f\u4ec0\u4e48\uff1f<\/h1>\n<p>\u4ece\u516c\u5f0f\u4e2d\u5f15\u7528<\/p>\n<blockquote><p>gqlgen \u662f\u4e00\u4e2a\u7528\u4e8e\u6784\u5efa GraphQL \u670d\u52a1\u5668\u7684 Go \u5e93\uff0c\u65e0\u9700\u4efb\u4f55\u7e41\u7410\u8fc7\u7a0b\u3002<br \/>\n\u30fbgqlgen \u57fa\u4e8e\u9996\u5148\u5b9a\u4e49\u7684\u6a21\u5f0f\uff0c\u901a\u8fc7\u4f7f\u7528 GraphQL \u6a21\u5f0f\u5b9a\u4e49\u8bed\u8a00\u6765\u5b9a\u4e49 API\u3002<br \/>\n\u30fbgqlgen \u4f18\u5148\u786e\u4fdd\u7c7b\u578b\u5b89\u5168\u6027\uff0c\u4f60\u5728\u8fd9\u91cc\u4e0d\u4f1a\u770b\u5230 map[string]interface{}\u3002<br \/>\n\u30fbgqlgen \u5177\u5907\u4ee3\u7801\u751f\u6210\u80fd\u529b\uff0c\u6211\u4eec\u751f\u6210\u65e0\u804a\u7684\u90e8\u5206\uff0c\u8ba9\u4f60\u53ef\u4ee5\u4e13\u6ce8\u5feb\u901f\u6784\u5efa\u5e94\u7528\u7a0b\u5e8f\u3002<\/p><\/blockquote>\n<p>\u7b80\u5355\u6765\u8bf4\uff0c\u8fd9\u5c31\u662f\u8bf4\u5728\u6784\u5efaGraphQL\u670d\u52a1\u5668\u65f6\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528Golang\u5e93\u4ee5&#8221;Schema First&#8221;\u7684\u65b9\u5f0f\uff0c\u4ee5\u4fdd\u6301&#8221;\u7c7b\u578b\u5b89\u5168&#8221;\u7684\u524d\u63d0\u4e0b\uff0c\u81ea\u52a8\u751f\u6210\u4ee3\u7801\u3002<\/p>\n<h1>\u76ee\u6807<\/h1>\n<p>\u6309\u7167 gqlgen \u6559\u7a0b\u521b\u5efa\u4e00\u4e2a\u7b80\u5355\u7684 todo \u5e94\u7528\u7a0b\u5e8f\u3002\u6211\u4eec\u5c06\u5728 GraphQL Playround \u4e0a\u786e\u8ba4\u5176\u8fd0\u884c\u60c5\u51b5\u3002<\/p>\n<h1>\u6211\u4eec\u5f00\u59cb\u5427\uff01<\/h1>\n<p>\u9996\u5148\u4ece\u51c6\u5907\u5f00\u59cb\u3002\u521b\u5efa\u5de5\u4f5c\u76ee\u5f55\u5e76\u914d\u7f6eGo\u5f00\u53d1\u73af\u5883\u3002\u672c\u6b21\u5c06\u4f7f\u7528Go\u8bed\u8a001.8\u7248\u672c\u3002<\/p>\n<pre class=\"post-pre\"><code>mkdir gqlgen_tutorial &amp;&amp; cd gqlgen_tutorial\r\n<\/code><\/pre>\n<pre class=\"post-pre\"><code>go mod init gqlgen_tutorial\r\n<\/code><\/pre>\n<p>\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u5c06\u4e0b\u8f7d\u672c\u6b21\u91cd\u70b9\u8ba8\u8bba\u7684gqlgen\u5305\u4ee5\u53ca\u5176\u76f8\u5173\u4f9d\u8d56\u5173\u7cfb\u3002<\/p>\n<pre class=\"post-pre\"><code>go get -u github.com\/99designs\/gqlgen@v0.17.5\r\n<\/code><\/pre>\n<p>\u6211\u6ca1\u6709\u7279\u522b\u7684\u504f\u597d\uff0c\u4f46\u8fd9\u6b21\u6211\u4f1a\u4f7f\u7528\u6700\u65b0\u7248\u672c\u76840.17.5\u3002<\/p>\n<p>\u7136\u540e\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u521b\u5efa\u6a21\u677f\u6587\u4ef6\u3002<\/p>\n<pre class=\"post-pre\"><code>go run github.com\/99designs\/gqlgen init\r\n<\/code><\/pre>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d8424913a08637a6b536b\/19-0.png\" alt=\"\" \/><\/div>\n<blockquote><p>\u751f\u6210\u7684\u6587\u4ef6\u8bf4\u660e<\/p><\/blockquote>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">graph\/generated\/generated.go<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u3053\u306e\u30d5\u30a1\u30a4\u30eb\u306fGraphQL\u30b5\u30fc\u30d0\u30fc\u306b\u5bfe\u3059\u308b\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u89e3\u91c8\u3057graph\/resolver.go\u306e\u9069\u5207\u306a\u30e1\u30bd\u30c3\u30c9\u547c\u3076\u5f79\u5272\u3092\u679c\u305f\u3057\u3066\u3044\u307e\u3059\u3002<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">graph\/model\/models_gen.go<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">schema\u3067\u5b9a\u7fa9\u3057\u305ftype\u3084input\u3092golang\u306e\u69cb\u9020\u4f53\u306b\u5909\u63db\u3057\u305f\u3082\u306e\u304c\u5b9a\u7fa9\u3055\u308c\u307e\u3059\u3002<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">graph\/schema.resolver.go<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u5143\u306b\u5b9f\u969b\u306e\u51e6\u7406\u3092\u5b9f\u88c5\u3059\u308bresolver\u30d5\u30a1\u30a4\u30eb\u3067\u3059\u3002<\/ul>\n<p>\u901a\u8fc7\u66f4\u6539\u4e0a\u8ff0\u7684\u4e09\u4e2aschema\u540e\uff0c\u6267\u884c&#8221;go run github.com\/99designs\/gqlgen generate&#8221;\u5c06\u91cd\u65b0\u751f\u6210\u4ee3\u7801\u3002<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">graph\/resolver.go<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u30eb\u30fc\u30c8\u3068\u306a\u308bresolver\u69cb\u9020\u4f53\u304c\u5ba3\u8a00\u3055\u308c\u307e\u3059\u3002\u518d\u751f\u6210\u306f\u3055\u308c\u307e\u305b\u3093\u3002<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">graph\/schema.graphqls<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">GraphQL\u30b9\u30ad\u30fc\u30de\u3092\u5b9a\u7fa9\u3059\u308b\u30d5\u30a1\u30a4\u30eb\u3067\u3059\u3002\u3053\u306e\u30d5\u30a1\u30a4\u30eb\u3092\u3082\u3068\u306b\u4ed6\u306e\u30d5\u30a1\u30a4\u30eb\u304c\u518d\u751f\u6210\u3055\u308c\u307e\u3059\u3002<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">gqlgen.yml<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">gqlgen\u306e\u8a2d\u5b9a\u30d5\u30a1\u30a4\u30eb\u3067\u3059\u3002\u4eca\u56de\u306f\u884c\u3044\u307e\u305b\u3093\u304cshcema\u306e\u5206\u5272\u306a\u3069\u306e\u8a2d\u5b9a\u3082\u3053\u306e\u30d5\u30a1\u30a4\u30eb\u3067\u884c\u3046\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/ul>\n<p>\u8ba9\u6211\u4eec\u7acb\u5373\u67e5\u770bgraph\/schema.graphqls\u6587\u4ef6\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"c\"># GraphQL schema example<\/span>\r\n<span class=\"c\">#<\/span>\r\n<span class=\"c\"># https:\/\/gqlgen.com\/getting-started\/<\/span>\r\n\r\n<span class=\"k\">type<\/span> <span class=\"n\">Todo<\/span> <span class=\"p\">{<\/span>\r\n  <span class=\"n\">id<\/span><span class=\"p\">:<\/span> <span class=\"nb\">ID<\/span><span class=\"p\">!<\/span>\r\n  <span class=\"n\">text<\/span><span class=\"p\">:<\/span> <span class=\"nb\">String<\/span><span class=\"p\">!<\/span>\r\n  <span class=\"n\">done<\/span><span class=\"p\">:<\/span> <span class=\"nb\">Boolean<\/span><span class=\"p\">!<\/span>\r\n  <span class=\"n\">user<\/span><span class=\"p\">:<\/span> <span class=\"n\">User<\/span><span class=\"p\">!<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<span class=\"k\">type<\/span> <span class=\"n\">User<\/span> <span class=\"p\">{<\/span>\r\n  <span class=\"n\">id<\/span><span class=\"p\">:<\/span> <span class=\"nb\">ID<\/span><span class=\"p\">!<\/span>\r\n  <span class=\"n\">name<\/span><span class=\"p\">:<\/span> <span class=\"nb\">String<\/span><span class=\"p\">!<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<span class=\"k\">type<\/span> <span class=\"n\">Query<\/span> <span class=\"p\">{<\/span>\r\n  <span class=\"n\">todos<\/span><span class=\"p\">:<\/span> <span class=\"p\">[<\/span><span class=\"n\">Todo<\/span><span class=\"p\">!]!<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<span class=\"k\">input<\/span> <span class=\"n\">NewTodo<\/span> <span class=\"p\">{<\/span>\r\n  <span class=\"n\">text<\/span><span class=\"p\">:<\/span> <span class=\"nb\">String<\/span><span class=\"p\">!<\/span>\r\n  <span class=\"n\">userId<\/span><span class=\"p\">:<\/span> <span class=\"nb\">String<\/span><span class=\"p\">!<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<span class=\"k\">type<\/span> <span class=\"n\">Mutation<\/span> <span class=\"p\">{<\/span>\r\n  <span class=\"n\">createTodo<\/span><span class=\"p\">(<\/span><span class=\"n\">input<\/span><span class=\"p\">:<\/span> <span class=\"n\">NewTodo<\/span><span class=\"p\">!):<\/span> <span class=\"n\">Todo<\/span><span class=\"p\">!<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<p>\u6709\u4e00\u4e2a\u6211\u4e0d\u8bb0\u5f97\u7684scheme\u88ab\u751f\u6210\u4e86\u3002\u8fd9\u662fgqlgen\u9ed8\u8ba4\u751f\u6210\u7684\u3002\u6211\u6253\u7b97\u4ee5\u8fd9\u4e2aschema\u4e3a\u57fa\u7840\u6765\u521b\u5efa\u4e00\u4e2a\u7b80\u5355\u7684todo\u5e94\u7528\u7a0b\u5e8f\u3002<br \/>\n\u6b63\u5982\u4e4b\u524d\u6240\u8ff0\uff0cgqlgen\u662f\u57fa\u4e8eschema\u4f18\u5148\u7684\u65b9\u5f0f\u751f\u6210GraphQL\u670d\u52a1\u5668\u7684\u3002\u65e0\u8bba\u662f\u5728\u81ea\u52a8\u751f\u6210\u4ee3\u7801\u8fd8\u662f\u5b9e\u73b0resolver\u65f6\uff0c\u6211\u4eec\u90fd\u5c06\u6309\u7167\u8fd9\u4e2a\u57fa\u4e8eschema\u7684\u65b9\u5f0f\u8fdb\u884c\u5b9e\u73b0\u3002\u5982\u679c\u51fa\u73b0\u610f\u5916\u9519\u8bef\uff0c\u6211\u8ba4\u4e3a\u4ece\u8fd9\u4e2aschema\u8fdb\u884c\u786e\u8ba4\u662f\u5f88\u597d\u7684\u3002<\/p>\n<p>\u63a5\u4e0b\u6765\u6211\u4eec\u6765\u770b\u4e00\u4e0bgraph\/model\/models_gen.go\u6587\u4ef6\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"c\">\/\/ Code generated by github.com\/99designs\/gqlgen, DO NOT EDIT.<\/span>\r\n\r\n<span class=\"k\">package<\/span> <span class=\"n\">model<\/span>\r\n\r\n<span class=\"k\">type<\/span> <span class=\"n\">NewTodo<\/span> <span class=\"k\">struct<\/span> <span class=\"p\">{<\/span>\r\n\t<span class=\"n\">Text<\/span>   <span class=\"kt\">string<\/span> <span class=\"s\">`json:\"text\"`<\/span>\r\n\t<span class=\"n\">UserID<\/span> <span class=\"kt\">string<\/span> <span class=\"s\">`json:\"userId\"`<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<span class=\"k\">type<\/span> <span class=\"n\">Todo<\/span> <span class=\"k\">struct<\/span> <span class=\"p\">{<\/span>\r\n\t<span class=\"n\">ID<\/span>   <span class=\"kt\">string<\/span> <span class=\"s\">`json:\"id\"`<\/span>\r\n\t<span class=\"n\">Text<\/span> <span class=\"kt\">string<\/span> <span class=\"s\">`json:\"text\"`<\/span>\r\n\t<span class=\"n\">Done<\/span> <span class=\"kt\">bool<\/span>   <span class=\"s\">`json:\"done\"`<\/span>\r\n\t<span class=\"n\">User<\/span> <span class=\"o\">*<\/span><span class=\"n\">User<\/span>  <span class=\"s\">`json:\"user\"`<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<span class=\"k\">type<\/span> <span class=\"n\">User<\/span> <span class=\"k\">struct<\/span> <span class=\"p\">{<\/span>\r\n\t<span class=\"n\">ID<\/span>   <span class=\"kt\">string<\/span> <span class=\"s\">`json:\"id\"`<\/span>\r\n\t<span class=\"n\">Name<\/span> <span class=\"kt\">string<\/span> <span class=\"s\">`json:\"name\"`<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<p>\u5728\u4e4b\u524d\u67e5\u770b\u7684schema\u4e2d\uff0c\u9664\u4e86\u5b9a\u4e49\u4e86Query\u548cMutation\u4e4b\u5916\u7684\u7c7b\u578b\u88ab\u5b9a\u4e49\u4e3a\u7ed3\u6784\u4f53\u3002\u6211\u4eec\u5c06\u4f7f\u7528\u6b64\u6587\u4ef6\u4e2d\u7684\u7ed3\u6784\u4f53\u6765\u5b9e\u73b0\u540e\u9762\u63d0\u5230\u7684\u89e3\u6790\u5668\u3002<\/p>\n<p>\u8ba9\u6211\u4eec\u6700\u540e\u770b\u4e00\u4e0bgraph\/schema.resolver.go\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">package<\/span> <span class=\"n\">graph<\/span>\r\n\r\n<span class=\"c\">\/\/ This file will be automatically regenerated based on the schema, any resolver implementations<\/span>\r\n<span class=\"c\">\/\/ will be copied through when generating and any unknown code will be moved to the end.<\/span>\r\n\r\n<span class=\"k\">import<\/span> <span class=\"p\">(<\/span>\r\n\t<span class=\"s\">\"context\"<\/span>\r\n\t<span class=\"s\">\"fmt\"<\/span>\r\n\t<span class=\"s\">\"gqlgen_tutorial\/graph\/generated\"<\/span>\r\n\t<span class=\"s\">\"gqlgen_tutorial\/graph\/model\"<\/span>\r\n<span class=\"p\">)<\/span>\r\n\r\n<span class=\"k\">func<\/span> <span class=\"p\">(<\/span><span class=\"n\">r<\/span> <span class=\"o\">*<\/span><span class=\"n\">mutationResolver<\/span><span class=\"p\">)<\/span> <span class=\"n\">CreateTodo<\/span><span class=\"p\">(<\/span><span class=\"n\">ctx<\/span> <span class=\"n\">context<\/span><span class=\"o\">.<\/span><span class=\"n\">Context<\/span><span class=\"p\">,<\/span> <span class=\"n\">input<\/span> <span class=\"n\">model<\/span><span class=\"o\">.<\/span><span class=\"n\">NewTodo<\/span><span class=\"p\">)<\/span> <span class=\"p\">(<\/span><span class=\"o\">*<\/span><span class=\"n\">model<\/span><span class=\"o\">.<\/span><span class=\"n\">Todo<\/span><span class=\"p\">,<\/span> <span class=\"kt\">error<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\r\n\t<span class=\"nb\">panic<\/span><span class=\"p\">(<\/span><span class=\"n\">fmt<\/span><span class=\"o\">.<\/span><span class=\"n\">Errorf<\/span><span class=\"p\">(<\/span><span class=\"s\">\"not implemented\"<\/span><span class=\"p\">))<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<span class=\"k\">func<\/span> <span class=\"p\">(<\/span><span class=\"n\">r<\/span> <span class=\"o\">*<\/span><span class=\"n\">queryResolver<\/span><span class=\"p\">)<\/span> <span class=\"n\">Todos<\/span><span class=\"p\">(<\/span><span class=\"n\">ctx<\/span> <span class=\"n\">context<\/span><span class=\"o\">.<\/span><span class=\"n\">Context<\/span><span class=\"p\">)<\/span> <span class=\"p\">([]<\/span><span class=\"o\">*<\/span><span class=\"n\">model<\/span><span class=\"o\">.<\/span><span class=\"n\">Todo<\/span><span class=\"p\">,<\/span> <span class=\"kt\">error<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\r\n\t<span class=\"nb\">panic<\/span><span class=\"p\">(<\/span><span class=\"n\">fmt<\/span><span class=\"o\">.<\/span><span class=\"n\">Errorf<\/span><span class=\"p\">(<\/span><span class=\"s\">\"not implemented\"<\/span><span class=\"p\">))<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<span class=\"c\">\/\/ Mutation returns generated.MutationResolver implementation.<\/span>\r\n<span class=\"k\">func<\/span> <span class=\"p\">(<\/span><span class=\"n\">r<\/span> <span class=\"o\">*<\/span><span class=\"n\">Resolver<\/span><span class=\"p\">)<\/span> <span class=\"n\">Mutation<\/span><span class=\"p\">()<\/span> <span class=\"n\">generated<\/span><span class=\"o\">.<\/span><span class=\"n\">MutationResolver<\/span> <span class=\"p\">{<\/span> <span class=\"k\">return<\/span> <span class=\"o\">&amp;<\/span><span class=\"n\">mutationResolver<\/span><span class=\"p\">{<\/span><span class=\"n\">r<\/span><span class=\"p\">}<\/span> <span class=\"p\">}<\/span>\r\n\r\n<span class=\"c\">\/\/ Query returns generated.QueryResolver implementation.<\/span>\r\n<span class=\"k\">func<\/span> <span class=\"p\">(<\/span><span class=\"n\">r<\/span> <span class=\"o\">*<\/span><span class=\"n\">Resolver<\/span><span class=\"p\">)<\/span> <span class=\"n\">Query<\/span><span class=\"p\">()<\/span> <span class=\"n\">generated<\/span><span class=\"o\">.<\/span><span class=\"n\">QueryResolver<\/span> <span class=\"p\">{<\/span> <span class=\"k\">return<\/span> <span class=\"o\">&amp;<\/span><span class=\"n\">queryResolver<\/span><span class=\"p\">{<\/span><span class=\"n\">r<\/span><span class=\"p\">}<\/span> <span class=\"p\">}<\/span>\r\n\r\n<span class=\"k\">type<\/span> <span class=\"n\">mutationResolver<\/span> <span class=\"k\">struct<\/span><span class=\"p\">{<\/span> <span class=\"o\">*<\/span><span class=\"n\">Resolver<\/span> <span class=\"p\">}<\/span>\r\n<span class=\"k\">type<\/span> <span class=\"n\">queryResolver<\/span> <span class=\"k\">struct<\/span><span class=\"p\">{<\/span> <span class=\"o\">*<\/span><span class=\"n\">Resolver<\/span> <span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<p>\u6709\u4e00\u4e9b\u53ef\u7591\u7684\u65b9\u6cd5\u4f3c\u4e4e\u88ab\u751f\u6210\u4e86\u51fa\u6765\u3002\u503c\u5f97\u6ce8\u610f\u7684\u662fCreateTodo\u548cTodos\u3002\u5b83\u4eec\u5728graph\/schema.graphqls\u4e2d\u88ab\u5b9a\u4e49\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">type<\/span> <span class=\"n\">Query<\/span> <span class=\"p\">{<\/span>\r\n  <span class=\"n\">todos<\/span><span class=\"p\">:<\/span> <span class=\"p\">[<\/span><span class=\"n\">Todo<\/span><span class=\"p\">!]!<\/span>\r\n<span class=\"p\">}<\/span>\r\n<span class=\"err\">...\u7701\u7565<\/span>\r\n<span class=\"k\">type<\/span> <span class=\"n\">Mutation<\/span> <span class=\"p\">{<\/span>\r\n  <span class=\"n\">createTodo<\/span><span class=\"p\">(<\/span><span class=\"n\">input<\/span><span class=\"p\">:<\/span> <span class=\"n\">NewTodo<\/span><span class=\"p\">!):<\/span> <span class=\"n\">Todo<\/span><span class=\"p\">!<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<p>\u8fd9\u4e9b\u65b9\u6cd5\u5206\u522b\u5bf9\u5e94\u8fd9\u91cc\u3002\u5728generated.go\u6587\u4ef6\u7684gqlgen\u81ea\u52a8\u751f\u6210\u7684\u4ee3\u7801\u4e2d\uff0c\u8bf7\u6c42GraphQL\u670d\u52a1\u5668\u540e\uff0c\u8fd9\u4e9b\u65b9\u6cd5\u4f1a\u88ab\u8c03\u7528\u4ee5\u6267\u884c\u76f8\u5e94\u64cd\u4f5c\u3002\u56e0\u6b64\uff0c\u8fd9\u4e9b\u65b9\u6cd5\u626e\u6f14\u4e86\u6240\u8c13\u7684Controller\u89d2\u8272\u3002<br \/>\n\u76ee\u524d\u8fd9\u4e9b\u65b9\u6cd5\u7684\u5b9e\u73b0\u90e8\u5206\u8fd8\u662f\u7a7a\u7684\uff0c\u63a5\u4e0b\u6765\u6211\u4eec\u4f1a\u9010\u6b65\u5b9e\u73b0\u5176\u529f\u80fd\u3002\u901a\u5e38\u60c5\u51b5\u4e0b\u6570\u636e\u4f1a\u88ab\u6301\u4e45\u5316\u5230\u6570\u636e\u5e93\u4e2d\uff0c\u4f46\u4e3a\u4e86\u6d4b\u8bd5\u65b9\u4fbf\uff0c\u6211\u4eec\u6682\u65f6\u5c06\u6570\u636e\u5b58\u50a8\u5728\u5185\u5b58\u4e2d\u3002<\/p>\n<p>\u9996\u5148\uff0c\u6211\u4eec\u9700\u8981\u4fee\u6539graph\/resolver.go\u6587\u4ef6\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">type<\/span> <span class=\"n\">Resolver<\/span> <span class=\"k\">struct<\/span> <span class=\"p\">{<\/span>\r\n\t<span class=\"n\">todos<\/span> <span class=\"p\">[]<\/span><span class=\"o\">*<\/span><span class=\"n\">model<\/span><span class=\"o\">.<\/span><span class=\"n\">Todo<\/span> <span class=\"c\">\/\/ \u8ffd\u52a0<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<p>\u6211\u60f3\u5148\u5c06todos\u4fdd\u7559\u5728\u6b64Resolver\u4e2d\uff0c\u56e0\u4e3amutationResolver\u548cqueryResolver\u5728schema.resolver.go\u4e2d\u8fdb\u884c\u4e86\u5b9a\u4e49\u5e76\u5305\u88c5\u4e86\u8be5Resolver\u3002<\/p>\n<p>\u63a5\u4e0b\u6765\u6211\u4eec\u5c06\u5b9e\u73b0resolver\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">func<\/span> <span class=\"p\">(<\/span><span class=\"n\">r<\/span> <span class=\"o\">*<\/span><span class=\"n\">mutationResolver<\/span><span class=\"p\">)<\/span> <span class=\"n\">CreateTodo<\/span><span class=\"p\">(<\/span><span class=\"n\">ctx<\/span> <span class=\"n\">context<\/span><span class=\"o\">.<\/span><span class=\"n\">Context<\/span><span class=\"p\">,<\/span> <span class=\"n\">input<\/span> <span class=\"n\">model<\/span><span class=\"o\">.<\/span><span class=\"n\">NewTodo<\/span><span class=\"p\">)<\/span> <span class=\"p\">(<\/span><span class=\"o\">*<\/span><span class=\"n\">model<\/span><span class=\"o\">.<\/span><span class=\"n\">Todo<\/span><span class=\"p\">,<\/span> <span class=\"kt\">error<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\r\n\t<span class=\"n\">todo<\/span> <span class=\"o\">:=<\/span> <span class=\"o\">&amp;<\/span><span class=\"n\">model<\/span><span class=\"o\">.<\/span><span class=\"n\">Todo<\/span><span class=\"p\">{<\/span>\r\n\t\t<span class=\"n\">Text<\/span><span class=\"o\">:<\/span> <span class=\"n\">input<\/span><span class=\"o\">.<\/span><span class=\"n\">Text<\/span><span class=\"p\">,<\/span>\r\n\t\t<span class=\"n\">ID<\/span><span class=\"o\">:<\/span>   <span class=\"n\">fmt<\/span><span class=\"o\">.<\/span><span class=\"n\">Sprintf<\/span><span class=\"p\">(<\/span><span class=\"s\">\"T%d\"<\/span><span class=\"p\">,<\/span> <span class=\"n\">rand<\/span><span class=\"o\">.<\/span><span class=\"n\">Int<\/span><span class=\"p\">()),<\/span>\r\n\t\t<span class=\"n\">User<\/span><span class=\"o\">:<\/span> <span class=\"o\">&amp;<\/span><span class=\"n\">model<\/span><span class=\"o\">.<\/span><span class=\"n\">User<\/span><span class=\"p\">{<\/span><span class=\"n\">ID<\/span><span class=\"o\">:<\/span> <span class=\"n\">input<\/span><span class=\"o\">.<\/span><span class=\"n\">UserID<\/span><span class=\"p\">,<\/span> <span class=\"n\">Name<\/span><span class=\"o\">:<\/span> <span class=\"s\">\"user \"<\/span> <span class=\"o\">+<\/span> <span class=\"n\">input<\/span><span class=\"o\">.<\/span><span class=\"n\">UserID<\/span><span class=\"p\">},<\/span>\r\n\t<span class=\"p\">}<\/span>\r\n\t<span class=\"n\">r<\/span><span class=\"o\">.<\/span><span class=\"n\">todos<\/span> <span class=\"o\">=<\/span> <span class=\"nb\">append<\/span><span class=\"p\">(<\/span><span class=\"n\">r<\/span><span class=\"o\">.<\/span><span class=\"n\">todos<\/span><span class=\"p\">,<\/span> <span class=\"n\">todo<\/span><span class=\"p\">)<\/span>\r\n\t<span class=\"k\">return<\/span> <span class=\"n\">todo<\/span><span class=\"p\">,<\/span> <span class=\"no\">nil<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<span class=\"k\">func<\/span> <span class=\"p\">(<\/span><span class=\"n\">r<\/span> <span class=\"o\">*<\/span><span class=\"n\">queryResolver<\/span><span class=\"p\">)<\/span> <span class=\"n\">Todos<\/span><span class=\"p\">(<\/span><span class=\"n\">ctx<\/span> <span class=\"n\">context<\/span><span class=\"o\">.<\/span><span class=\"n\">Context<\/span><span class=\"p\">)<\/span> <span class=\"p\">([]<\/span><span class=\"o\">*<\/span><span class=\"n\">model<\/span><span class=\"o\">.<\/span><span class=\"n\">Todo<\/span><span class=\"p\">,<\/span> <span class=\"kt\">error<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\r\n\t<span class=\"k\">return<\/span> <span class=\"n\">r<\/span><span class=\"o\">.<\/span><span class=\"n\">todos<\/span><span class=\"p\">,<\/span> <span class=\"no\">nil<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<p>CreateTodo\u65b9\u6cd5\u662f\u6839\u636e\u8bf7\u6c42\u4fe1\u606f\uff08input model.NewTodo\uff09\u521b\u5efaTodo\u6a21\u578b\uff0c\u5e76\u5c06\u5176\u6dfb\u52a0\u5230\u89e3\u6790\u7ed3\u6784\u4f53\uff08Resolver struct\uff09\u4e2d\u7684todos\u7247\u6bb5\u4e2d\u7684\u64cd\u4f5c\u3002<\/p>\n<p>\u5728Todos\u65b9\u6cd5\u4e2d\uff0c\u53ea\u662f\u8fd4\u56de\u4e86\u73b0\u6709Resolver struct\u4e2d\u7684todos\u5207\u7247\u3002<\/p>\n<p>\u5982\u679c\u662f\u5b9e\u9645\u7684\u5e94\u7528\u7a0b\u5e8f\uff0c\u53ef\u80fd\u4f1a\u6d89\u53ca\u5230\u66f4\u590d\u6742\u7684\u903b\u8f91\u548c\u6570\u636e\u5e93\u64cd\u4f5c\uff0c\u4f46\u662f\u7531\u4e8e\u6211\u4eec\u5e0c\u671b\u5c3d\u91cf\u4fdd\u6301\u6700\u7b80\u5355\u7684\u60c5\u51b5\uff0c\u6240\u4ee5\u5c06\u7701\u7565\u8fd9\u90e8\u5206\u3002<\/p>\n<p>\u56e0\u4e3a\u5b8c\u6210\u4e86 resolver \u7684\u5b9e\u73b0\uff0c\u73b0\u5728\u8ba9\u6211\u4eec\u8fdb\u884c\u64cd\u4f5c\u786e\u8ba4\u5427\uff01\u542f\u52a8 GraphQL \u670d\u52a1\u5668\u3002<\/p>\n<pre class=\"post-pre\"><code>go run server.go\r\n<\/code><\/pre>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d8424913a08637a6b536b\/45-0.png\" alt=\"\" \/><\/div>\n<pre class=\"post-pre\"><code><span class=\"k\">mutation<\/span> <span class=\"p\">{<\/span>\r\n  <span class=\"n\">createTodo<\/span><span class=\"p\">(<\/span><span class=\"n\">input<\/span><span class=\"p\">:<\/span> <span class=\"p\">{<\/span> <span class=\"n\">text<\/span><span class=\"p\">:<\/span> <span class=\"s2\">\"todo\"<\/span><span class=\"p\">,<\/span> <span class=\"n\">userId<\/span><span class=\"p\">:<\/span> <span class=\"s2\">\"1\"<\/span> <span class=\"p\">})<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"n\">user<\/span> <span class=\"p\">{<\/span>\r\n      <span class=\"n\">id<\/span>\r\n    <span class=\"p\">}<\/span>\r\n    <span class=\"n\">text<\/span>\r\n    <span class=\"n\">done<\/span>\r\n  <span class=\"p\">}<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<p>\u5982\u679c\u4f60\u6536\u5230\u4ee5\u4e0b\u7684\u56de\u590d\uff0c\u90a3\u4e48\u8868\u793a\u521b\u5efa\u6210\u529f\uff01<\/p>\n<pre class=\"post-pre\"><code>{\r\n  \"data\": {\r\n    \"createTodo\": {\r\n      \"user\": {\r\n        \"id\": \"1\"\r\n      },\r\n      \"text\": \"todo\",\r\n      \"done\": false\r\n    }\r\n  }\r\n}\r\n<\/code><\/pre>\n<p>\u6211\u4eec\u6765\u83b7\u53d6\u63a5\u4e0b\u6765\u521b\u5efa\u7684\u5f85\u529e\u4e8b\u9879\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">query<\/span> <span class=\"p\">{<\/span>\r\n  <span class=\"n\">todos<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"n\">text<\/span>\r\n    <span class=\"n\">done<\/span>\r\n    <span class=\"n\">user<\/span> <span class=\"p\">{<\/span>\r\n      <span class=\"n\">name<\/span>\r\n    <span class=\"p\">}<\/span>\r\n  <span class=\"p\">}<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<pre class=\"post-pre\"><code><span class=\"p\">{<\/span>\r\n  <span class=\"err\">\"<\/span><span class=\"n\">data<\/span><span class=\"err\">\":<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"err\">\"<\/span><span class=\"n\">todos<\/span><span class=\"err\">\":<\/span> <span class=\"err\">[<\/span>\r\n      <span class=\"p\">{<\/span>\r\n        <span class=\"err\">\"<\/span><span class=\"n\">text<\/span><span class=\"err\">\":<\/span> <span class=\"err\">\"<\/span><span class=\"n\">todo<\/span><span class=\"err\">\"<\/span><span class=\"p\">,<\/span>\r\n        <span class=\"err\">\"<\/span><span class=\"n\">done<\/span><span class=\"err\">\":<\/span> <span class=\"n\">false<\/span><span class=\"p\">,<\/span>\r\n        <span class=\"err\">\"<\/span><span class=\"n\">user<\/span><span class=\"err\">\":<\/span> <span class=\"p\">{<\/span>\r\n          <span class=\"err\">\"<\/span><span class=\"n\">name<\/span><span class=\"err\">\":<\/span> <span class=\"err\">\"<\/span><span class=\"n\">user<\/span> <span class=\"err\">1\"<\/span>\r\n        <span class=\"p\">}<\/span>\r\n      <span class=\"p\">}<\/span>\r\n    <span class=\"err\">]<\/span>\r\n  <span class=\"p\">}<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<p>\u592a\u597d\u4e86\uff01\u53ea\u9700\u5b9e\u73b0resolver\uff0c\u5c31\u80fd\u5982\u6b64\u8f7b\u677e\u5730\u521b\u5efa\u51faGraphQL\u670d\u52a1\u5668\u3002<br \/>\n\u4f46\u4ec5\u6b64\u800c\u5df2\u7684\u8bdd\uff0c\u65e0\u6cd5\u4eab\u53d7\u5230GraphQL\u7684\u4e00\u4e2a\u4f18\u70b9\uff0c\u5373\u53ef\u4ee5\u9009\u62e9\u83b7\u53d6\u7684\u6570\u636e\u3002<br \/>\n\u4f8b\u5982\uff0c\u5728\u5f53\u524d\u9636\u6bb5\uff0c\u65e0\u8bba\u4f55\u65f6\u83b7\u53d6todos\uff0c\u90fd\u4f1a\u540c\u65f6\u83b7\u53d6\u5230user\u3002\u5f53\u7136\uff0c<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">query<\/span> <span class=\"p\">{<\/span>\r\n  <span class=\"n\">todos<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"n\">text<\/span>\r\n    <span class=\"n\">done<\/span>\r\n  <span class=\"p\">}<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<p>\u53d1\u9001\u7c7b\u4f3c\u7684\u8bf7\u6c42\u4e0d\u4f1a\u8fd4\u56de\u7528\u6237\u6570\u636e\u4f5c\u4e3a\u54cd\u5e94\uff0c\u4f46\u5728\u5185\u90e8\u4ecd\u5728\u83b7\u53d6\u7528\u6237\u6570\u636e\u3002\u5728\u4f7f\u7528\u5e38\u89c1\u7684\u57fa\u4e8e\u5173\u7cfb\u578b\u6570\u636e\u5e93\u7684Web\u5e94\u7528\u7a0b\u5e8f\u4e2d\uff0cTodo\u6a21\u578b\u4ec5\u6301\u6709UserID\uff0c\u5e76\u4e14\u901a\u5e38\u9700\u8981\u4ece\u6570\u636e\u5e93\u4e2d\u5355\u72ec\u83b7\u53d6\u4e0e\u4e4b\u76f8\u5173\u7684user\u3002\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u5373\u4f7f\u65e0\u9700\u4f5c\u4e3a\u54cd\u5e94\u8fd4\u56de\u7528\u6237\u6570\u636e\uff0c\u4e5f\u4f1a\u6267\u884c\u4e0d\u5fc5\u8981\u7684SQL\u64cd\u4f5c\u3002<\/p>\n<p>\u5982\u679c\u4fdd\u6301\u73b0\u72b6\uff0c\u65e0\u6cd5\u5145\u5206\u4eab\u53d7\u5230GraphQL\u7684\u597d\u5904\u3002\u901a\u8fc7\u5b9e\u73b0todoResolver\uff0c\u53ef\u4ee5\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\u3002\u8ba9\u6211\u4eec\u4ece\u8fd9\u91cc\u5f00\u59cb\u4fee\u6b63\u3002<\/p>\n<p>\u9996\u5148\u9700\u8981\u505a\u7684\u662f\u521b\u5efa\u4e00\u4e2a\u540d\u4e3aTodo\u7684\u65b0\u6a21\u578b\u4f5c\u4e3a\u4e00\u4e2a\u65b0\u7684\u6a21\u578b\u3002\u5728\u5f53\u524d\u72b6\u6001\u4e0b\uff0c\u5c06\u4f7f\u7528\u6839\u636eschema.graphqls\u81ea\u52a8\u751f\u6210\u7684Todo\u6a21\u578b\u5728models\/models_gen.go\u4e2d\u3002\u7136\u800c\uff0c\u4f7f\u7528\u8fd9\u79cd\u65b9\u5f0f\u4f1a\u5bfc\u81f4\u5fc5\u987b\u5728\u8fd4\u56deCreateTodo mutation\u7684Todo\u6a21\u578b\u4e2d\u5fc5\u987b\u5305\u542b\u7528\u6237(User)\u7684\u9700\u6c42\uff0c\u6240\u4ee5\u6211\u4eec\u9700\u8981\u5b9a\u4e49\u4e00\u4e2a\u65b0\u7684Todo\u6a21\u578b\u3002<\/p>\n<p>\u8bf7\u4f7f\u7528\u4ee5\u4e0b\u5185\u5bb9\u65b0\u5efagraph\/models\/todo.go\u6587\u4ef6\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">type<\/span> <span class=\"n\">Todo<\/span> <span class=\"k\">struct<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"n\">ID<\/span>     <span class=\"kt\">string<\/span>\r\n    <span class=\"n\">Text<\/span>   <span class=\"kt\">string<\/span>\r\n    <span class=\"n\">Done<\/span>   <span class=\"kt\">bool<\/span>\r\n    <span class=\"n\">UserID<\/span> <span class=\"kt\">string<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<p>\u7136\u540e\u5728gqlgen.yml\u6587\u4ef6\u4e2d\u6dfb\u52a0\u4ee5\u4e0b\u5185\u5bb9\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"na\">models<\/span><span class=\"pi\">:<\/span>\r\n  <span class=\"na\">Todo<\/span><span class=\"pi\">:<\/span>\r\n    <span class=\"na\">model<\/span><span class=\"pi\">:<\/span> <span class=\"s\">gqlgen_tutorial\/graph\/model.Todo<\/span>\r\n<\/code><\/pre>\n<p>\u8fd9\u6837\u4e00\u6765\uff0c\u5c31\u53ef\u4ee5\u6307\u5b9a\u201ctodo\u6a21\u578b\u5c06\u4f7f\u7528gqlgen_tutorial\/graph\/model.go\u7684Todo\u7ed3\u6784\u201d\u3002<\/p>\n<p>\u56e0\u4e3a\u51c6\u5907\u5b8c\u6210\u4e86\uff0c\u6211\u4eec\u6765\u91cd\u65b0\u751f\u6210\u6587\u4ef6\u5427\u3002<\/p>\n<pre class=\"post-pre\"><code>go run github.com\/99designs\/gqlgen generate\r\n<\/code><\/pre>\n<p>\u8bf7\u67e5\u770b graph\/model\/models_gen.go \u6587\u4ef6\u3002\u6ce8\u610f\u5230 Todo \u7ed3\u6784\u5df2\u7ecf\u6d88\u5931\u4e86\uff0c\u8fd9\u6837\u521a\u521a\u5b9a\u4e49\u7684 Todo \u6a21\u578b\u5c06\u4f1a\u88ab\u4f7f\u7528\u3002<\/p>\n<p>\u90a3\u4e48\u6211\u4eec\u5f00\u59cb\u5b9e\u73b0resolver\u5427\u3002\u8bf7\u6253\u5f00schema.resolvers.go\u6587\u4ef6\u3002<br \/>\n\u7531\u4e8e\u5148\u524d\u7684\u66f4\u6539\uff0cTodo\u7ed3\u6784\u4f53\u73b0\u5728\u4e0d\u518d\u4fdd\u5b58User\uff0c\u800c\u662f\u4fdd\u5b58UserID\u3002<br \/>\n\u9996\u5148\uff0c\u6211\u4eec\u8981\u4fee\u6539CreateTodo\u51fd\u6570\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">func<\/span> <span class=\"p\">(<\/span><span class=\"n\">r<\/span> <span class=\"o\">*<\/span><span class=\"n\">mutationResolver<\/span><span class=\"p\">)<\/span> <span class=\"n\">CreateTodo<\/span><span class=\"p\">(<\/span><span class=\"n\">ctx<\/span> <span class=\"n\">context<\/span><span class=\"o\">.<\/span><span class=\"n\">Context<\/span><span class=\"p\">,<\/span> <span class=\"n\">input<\/span> <span class=\"n\">model<\/span><span class=\"o\">.<\/span><span class=\"n\">NewTodo<\/span><span class=\"p\">)<\/span> <span class=\"p\">(<\/span><span class=\"o\">*<\/span><span class=\"n\">model<\/span><span class=\"o\">.<\/span><span class=\"n\">Todo<\/span><span class=\"p\">,<\/span> <span class=\"kt\">error<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\r\n\t<span class=\"n\">todo<\/span> <span class=\"o\">:=<\/span> <span class=\"o\">&amp;<\/span><span class=\"n\">model<\/span><span class=\"o\">.<\/span><span class=\"n\">Todo<\/span><span class=\"p\">{<\/span>\r\n\t\t<span class=\"n\">Text<\/span><span class=\"o\">:<\/span>   <span class=\"n\">input<\/span><span class=\"o\">.<\/span><span class=\"n\">Text<\/span><span class=\"p\">,<\/span>\r\n\t\t<span class=\"n\">ID<\/span><span class=\"o\">:<\/span>     <span class=\"n\">fmt<\/span><span class=\"o\">.<\/span><span class=\"n\">Sprintf<\/span><span class=\"p\">(<\/span><span class=\"s\">\"T%d\"<\/span><span class=\"p\">,<\/span> <span class=\"n\">rand<\/span><span class=\"o\">.<\/span><span class=\"n\">Int<\/span><span class=\"p\">()),<\/span>\r\n\t\t<span class=\"n\">UserID<\/span><span class=\"o\">:<\/span> <span class=\"n\">input<\/span><span class=\"o\">.<\/span><span class=\"n\">UserID<\/span><span class=\"p\">,<\/span> <span class=\"c\">\/\/\u3000\u4fee\u6b63<\/span>\r\n\t<span class=\"p\">}<\/span>\r\n\t<span class=\"n\">r<\/span><span class=\"o\">.<\/span><span class=\"n\">todos<\/span> <span class=\"o\">=<\/span> <span class=\"nb\">append<\/span><span class=\"p\">(<\/span><span class=\"n\">r<\/span><span class=\"o\">.<\/span><span class=\"n\">todos<\/span><span class=\"p\">,<\/span> <span class=\"n\">todo<\/span><span class=\"p\">)<\/span>\r\n\t<span class=\"k\">return<\/span> <span class=\"n\">todo<\/span><span class=\"p\">,<\/span> <span class=\"no\">nil<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<p>\u6211\u5011\u63a5\u4e0b\u4f86\u4f86\u4ecb\u7d39\u4e4b\u524d\u6c92\u6709\u7684\u7528\u6236\u65b9\u6cd5\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">func<\/span> <span class=\"p\">(<\/span><span class=\"n\">r<\/span> <span class=\"o\">*<\/span><span class=\"n\">todoResolver<\/span><span class=\"p\">)<\/span> <span class=\"n\">User<\/span><span class=\"p\">(<\/span><span class=\"n\">ctx<\/span> <span class=\"n\">context<\/span><span class=\"o\">.<\/span><span class=\"n\">Context<\/span><span class=\"p\">,<\/span> <span class=\"n\">obj<\/span> <span class=\"o\">*<\/span><span class=\"n\">model<\/span><span class=\"o\">.<\/span><span class=\"n\">Todo<\/span><span class=\"p\">)<\/span> <span class=\"p\">(<\/span><span class=\"o\">*<\/span><span class=\"n\">model<\/span><span class=\"o\">.<\/span><span class=\"n\">User<\/span><span class=\"p\">,<\/span> <span class=\"kt\">error<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\r\n\t<span class=\"k\">return<\/span> <span class=\"o\">&amp;<\/span><span class=\"n\">model<\/span><span class=\"o\">.<\/span><span class=\"n\">User<\/span><span class=\"p\">{<\/span><span class=\"n\">ID<\/span><span class=\"o\">:<\/span> <span class=\"n\">obj<\/span><span class=\"o\">.<\/span><span class=\"n\">UserID<\/span><span class=\"p\">,<\/span> <span class=\"n\">Name<\/span><span class=\"o\">:<\/span> <span class=\"s\">\"user \"<\/span> <span class=\"o\">+<\/span> <span class=\"n\">obj<\/span><span class=\"o\">.<\/span><span class=\"n\">UserID<\/span><span class=\"p\">},<\/span> <span class=\"no\">nil<\/span> <span class=\"c\">\/\/\u4fee\u6b63<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<p>\u6211\u4f1a\u8fdb\u884c\u4ee5\u4e0a\u66f4\u6539\u3002<\/p>\n<p>\u5728\u8fd9\u91cc\uff0c\u6211\u4e00\u5f00\u59cb\u5f88\u96be\u7406\u89e3\u7684\u662f\u901a\u8fc7mutation\u7684CreateTodo\u6216\u8005query\u7684Todos\u8fd4\u56de\u7684todo\u7ed3\u6784\uff0c\u7531\u4e8etodo\u7ed3\u6784\u6ca1\u6709schema\u4e2d\u7684todo\u7c7b\u578b\u6307\u5b9a\u7684User\u5b57\u6bb5\uff0c\u6240\u4ee5\u4f1a\u8c03\u7528todoResolver\u4e2d\u5b9a\u4e49\u7684User\u65b9\u6cd5\u3002<\/p>\n<p>\u8fd9\u5c31\u5b8c\u6210\u4e86\u3002\u6700\u540e\u518d\u4e00\u6b21\u3002<\/p>\n<pre class=\"post-pre\"><code>go run server.go\r\n<\/code><\/pre>\n<p>\u8bf7\u6267\u884c\u8fd9\u4e2a\u64cd\u4f5c\uff0c\u5e76\u5728GraphQL Playground\u4e2d\u8fdb\u884c\u786e\u8ba4\u3002\u5982\u679c\u4e0e\u4e4b\u524d\u7684\u64cd\u4f5c\u4e00\u6837\uff0c\u90a3\u5c31\u5b8c\u7f8e\u4e86\u3002<\/p>\n<h1>\u6700\u7ec8\/\u6700\u540e (zu\u00ec<\/h1>\n<p>\u4f60\u89c9\u5f97\u5982\u4f55\uff1f\u6211\u77e5\u9053\u53ef\u80fd\u6709\u5f88\u591a\u4e0d\u597d\u7406\u89e3\u7684\u5730\u65b9\uff0c\u4f46\u5982\u679c\u80fd\u5bf9\u4f60\u6709\u6240\u5e2e\u52a9\u7684\u8bdd\uff0c\u6211\u4f1a\u611f\u5230\u8363\u5e78\u3002<br \/>\n\u6211\u6b22\u8fce\u4efb\u4f55\u5efa\u8bae\u3001\u6279\u8bc4\u548c\u4e0d\u6ee1\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u9996\u5148 \u4f5c\u4e3a\u6211\u7684\u7b2c\u4e8c\u5bb6\u5de5\u7a0b\u5e08\u5b9e\u4e60\u516c\u53f8\uff0c\u6211\u5c06\u4f7f\u7528Golang+GraphQL\u8fdb\u884c\u5f00\u53d1\u3002 \u5c3d\u7ba1\u6700\u8fd1\u5bf9\u8fd9\u4e2a\u9886\u57df\u7684\u7406\u89e3\u6709 [&hellip;]<\/p>\n","protected":false},"author":12,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-48261","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>\u5c3d\u53ef\u80fd\u4ee5\u7b80\u5355\u660e\u4e86\u7684\u65b9\u5f0f\u89e3\u91cagqlgen\u6559\u7a0b - 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\/\u5c3d\u53ef\u80fd\u4ee5\u7b80\u5355\u660e\u4e86\u7684\u65b9\u5f0f\u89e3\u91cagqlgen\u6559\u7a0b\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u5c3d\u53ef\u80fd\u4ee5\u7b80\u5355\u660e\u4e86\u7684\u65b9\u5f0f\u89e3\u91cagqlgen\u6559\u7a0b\" \/>\n<meta property=\"og:description\" content=\"\u9996\u5148 \u4f5c\u4e3a\u6211\u7684\u7b2c\u4e8c\u5bb6\u5de5\u7a0b\u5e08\u5b9e\u4e60\u516c\u53f8\uff0c\u6211\u5c06\u4f7f\u7528Golang+GraphQL\u8fdb\u884c\u5f00\u53d1\u3002 \u5c3d\u7ba1\u6700\u8fd1\u5bf9\u8fd9\u4e2a\u9886\u57df\u7684\u7406\u89e3\u6709 [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/zh\/blog\/\u5c3d\u53ef\u80fd\u4ee5\u7b80\u5355\u660e\u4e86\u7684\u65b9\u5f0f\u89e3\u91cagqlgen\u6559\u7a0b\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - Silicon Cloud\" \/>\n<meta property=\"article:published_time\" content=\"2023-11-30T14:26:52+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-04-30T06:18:15+00:00\" \/>\n<meta property=\"og:image\" 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