{"id":47490,"date":"2023-01-29T15:10:17","date_gmt":"2022-11-22T21:53:03","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%85%a8%e9%9d%a2%e6%b6%b5%e7%9b%96%ef%bc%81%e5%bd%bb%e5%ba%95%e6%94%bb%e7%95%a5spring-for-graphql%e7%9a%84%e9%94%99%e8%af%af%e5%a4%84%e7%90%86%ef%bc%81%ef%bc%81\/"},"modified":"2024-04-29T12:04:56","modified_gmt":"2024-04-29T04:04:56","slug":"%e5%85%a8%e9%9d%a2%e6%b6%b5%e7%9b%96%ef%bc%81%e5%bd%bb%e5%ba%95%e6%94%bb%e7%95%a5spring-for-graphql%e7%9a%84%e9%94%99%e8%af%af%e5%a4%84%e7%90%86%ef%bc%81%ef%bc%81","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%85%a8%e9%9d%a2%e6%b6%b5%e7%9b%96%ef%bc%81%e5%bd%bb%e5%ba%95%e6%94%bb%e7%95%a5spring-for-graphql%e7%9a%84%e9%94%99%e8%af%af%e5%a4%84%e7%90%86%ef%bc%81%ef%bc%81\/","title":{"rendered":"\u5168\u9762\u6db5\u76d6\uff01\u5f7b\u5e95\u653b\u7565Spring for GraphQL\u7684\u9519\u8bef\u5904\u7406\uff01\uff01"},"content":{"rendered":"<h1>\u9996\u5148<\/h1>\n<p>\u6211\u60f3\u4ecb\u7ecd\u4e00\u4e0b\u5728\u4f7f\u7528Spring Boot\u5b9e\u73b0GraphQL\u670d\u52a1\u5668\u65f6\u5982\u4f55\u5904\u7406\u9519\u8bef\u3002<br \/>\n\u4eceGraphQL\u7684\u4e00\u822c\u9519\u8bef\u5904\u7406\u65b9\u6cd5\u5f00\u59cb\uff0c\u6211\u5c06\u89e3\u91ca\u5728Spring Boot\u4e2d\u6839\u636e\u8be5\u7b56\u7565\u5b9e\u65bd\u7684\u65b9\u6cd5\u3002<\/p>\n<h1>\u5e0c\u671b\u5438\u5f15\u7684\u8bfb\u8005<\/h1>\n<p>\u672c\u6587\u65e8\u5728\u9488\u5bf9\u7b26\u5408\u4ee5\u4e0b\u6761\u4ef6\u7684\u4eba\u7fa4\u4f5c\u4e3a\u9884\u671f\u8bfb\u8005\uff1a<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">GraphQL\u30b5\u30fc\u30d0\u3067\u30a8\u30e9\u30fc\u30cf\u30f3\u30c9\u30ea\u30f3\u30b0\u3092\u884c\u3044\u305f\u3044\u4eba<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">GraphQL\u306e\u57fa\u790e\u77e5\u8b58\u3092\u7406\u89e3\u3057\u3066\u3044\u308b\u4eba<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">Spring Boot\u3067\u30b5\u30fc\u30d0\u3092\u69cb\u7bc9\u3057\u305f\u7d4c\u9a13\u304c\u3042\u308b\u4eba<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">Spring Boot\u3067GraphQL\u30b5\u30fc\u30d0\u3092\u69cb\u7bc9\u3057\u305f\u7d4c\u9a13\u304c\u3042\u308b\u4eba<\/ul>\n<p>&nbsp;<\/p>\n<h1>\u793a\u4f8b\u4ee3\u7801\uff08\u53c2\u8003\uff09<\/h1>\n<p>\u672c\u7bc7\u6587\u7ae0\u4e0d\u7740\u91cd\u4e8e\u5df2\u5b9e\u65bd\u7684\u5185\u5bb9\uff0c\u4f46\u5728\u9605\u8bfb\u65f6\u8fd0\u884c\u793a\u4f8b\u4ee3\u7801\u53ef\u4ee5\u52a0\u6df1\u7406\u89e3\u3002\u8fd9\u6b21\u6211\u4eec\u662f\u901a\u8fc7\u4fee\u6539\u548c\u6269\u5c55Spring for GraphQL\u5b98\u65b9\u63d0\u4f9b\u7684\u4ee3\u7801\u8fdb\u884c\u5b9e\u65bd\u3002\u5b98\u65b9\u4ee3\u7801\u7528\u4e8e\u6784\u5efa\u4e00\u4e2a\u4eceGraphQL\u67e5\u8be2\u4e2d\u83b7\u53d6\u4e66\u7c4d\u4fe1\u606f\u548c\u4f5c\u8005\u4fe1\u606f\u7684\u670d\u52a1\u5668\u3002<\/p>\n<p>&nbsp;<\/p>\n<h2>GitHub\u5b58\u50a8\u5e93\u4e2d\u7684\u793a\u4f8b\u4ee3\u7801<\/h2>\n<p>\u4f60\u53ef\u4ee5\u5728GitHub\u4e0a\u67e5\u770b\u5df2\u7ecf\u5b9e\u65bd\u7684\u4ee3\u7801\u3002\u6709\u5173\u5982\u4f55\u8fd0\u884c\u7684\u8be6\u7ec6\u65b9\u6cd5\uff0c\u8bf7\u53c2\u8003GitHub\u5b58\u50a8\u5e93\u3002<\/p>\n<p>&nbsp;<\/p>\n<p>\u53d8\u66f4\u70b9\u5982\u4e0b\u6240\u793a\u3002<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">Controller, Service, Repository\u5c64\u306e3\u5c64\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u306b\u3088\u308b\u5b9f\u88c5\u306b\u5909\u66f4<\/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\">\u5404\u5c64\u306e\u30c7\u30fc\u30bf\u306e\u3084\u308a\u53d6\u308a\u3092DTO\u306b\u3088\u3063\u3066\u884c\u3046\u3088\u3046\u306b\u5909\u66f4<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\u30a8\u30e9\u30fc\u306b\u95a2\u3059\u308b\u30b3\u30fc\u30c9\u306e\u8ffd\u52a0<\/ul>\n<h2>\u73af\u5883<\/h2>\n<p>\u73af\u5883\u7684\u73b0\u72b6\u5982\u4e0b\u3002<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">JDK: OpenJDK 17<\/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\">Spring Boot: 3.1.5<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">Gradle: 8.4<\/ul>\n<h1>GraphQL\u7684\u9519\u8bef<\/h1>\n<h2>\u7b80\u8981\u8bf4\u660e<\/h2>\n<p>\u9519\u8bef\u53ef\u4ee5\u5927\u81f4\u5206\u4e3a\u4e24\u7c7b\u3002<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u696d\u52d9\u30a8\u30e9\u30fc<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\u30b7\u30b9\u30c6\u30e0\u30a8\u30e9\u30fc<\/ul>\n<p>\u5e0c\u671b\u5bf9\u4e8e\u6bcf\u4e2a\u9519\u8bef\u90fd\u80fd\u76f8\u5e94\u5730\u6539\u53d8\u9519\u8bef\u5904\u7406\u7684\u65b9\u5f0f\u3002\u5728\u63a5\u4e0b\u6765\u7684\u7ae0\u8282\u4e2d\uff0c\u4f1a\u8be6\u7ec6\u8ba8\u8bba\u6bcf\u4e2a\u9519\u8bef\u3002<\/p>\n<h2>\u4e1a\u52a1\u9519\u8bef (y\u00e8 w\u00f9 cu\u00f2 w\u00f9)<\/h2>\n<p>\u696d\u52d9\u932f\u8aa4\u662f\u6307\u80fd\u5920\u901a\u904e\u4f7f\u7528\u8005\u7aef\u64cd\u4f5c\u7684\u66f4\u6539\u4f86\u6062\u5fa9\u7684\u932f\u8aa4\u3002\u4e0b\u5217\u60c5\u6cc1\u5c6c\u65bc\u696d\u52d9\u932f\u8aa4\u3002<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u5fc5\u9808\u9805\u76ee\u306b\u9805\u76ee\u304c\u6307\u5b9a\u3055\u308c\u3066\u3044\u306a\u3044\u5834\u5408\u306b\u767a\u751f\u3059\u308b\u30a8\u30e9\u30fc<\/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\">\u5165\u529b\u3055\u308c\u305f\u9805\u76ee\u306e\u578b\u304c\u4e0d\u6b63\u306a\u5834\u5408\u306b\u767a\u751f\u3059\u308b\u30a8\u30e9\u30fc<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\u3059\u3067\u306b\u767b\u9332\u3055\u308c\u3066\u3044\u308b\u9805\u76ee\u3092\u5165\u529b\u3057\u305f\u3068\u304d\u306b\u767a\u751f\u3059\u308b\u30a8\u30e9\u30fc<\/ul>\n<p>\u5982\u679c\u51fa\u73b0\u4e1a\u52a1\u9519\u8bef\uff0c\u5ba2\u6237\u7aef\u53ef\u4ee5\u518d\u6b21\u63d0\u793a\u7528\u6237\u8fdb\u884c\u8f93\u5165\uff0c\u5e76\u901a\u8fc7\u8bbf\u95ee\u670d\u52a1\u5668\u6765\u89e3\u51b3\u3002<\/p>\n<h2>\u7cfb\u7edf\u9519\u8bef<\/h2>\n<p>\u7cfb\u7edf\u9519\u8bef\u6307\u7684\u662f\u7528\u6237\u65e0\u8bba\u8fdb\u884c\u4f55\u79cd\u64cd\u4f5c\u90fd\u65e0\u6cd5\u6062\u590d\u7684\u9519\u8bef\u3002\u4ee5\u4e0b\u60c5\u51b5\u5c5e\u4e8e\u7cfb\u7edf\u9519\u8bef\u3002<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u30b5\u30fc\u30d0\u304c\u30c0\u30a6\u30f3\u3057\u3066\u3044\u308b\u969b\u306e\u30a8\u30e9\u30fc<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\u30b5\u30fc\u30d0\u304c\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3078\u306e\u30a2\u30af\u30bb\u30b9\u306b\u5931\u6557\u3057\u305f\u3068\u304d\u306b\u767a\u751f\u3059\u308b\u30a8\u30e9\u30fc<\/ul>\n<p>\u5f53\u7cfb\u7edf\u53d1\u751f\u9519\u8bef\u65f6\uff0c\u9700\u8981\u670d\u52a1\u5668\u7ba1\u7406\u8005\u901a\u8fc7\u67e5\u770b\u9519\u8bef\u65e5\u5fd7\u7b49\u6765\u89e3\u51b3\u3002<\/p>\n<h1>\u9519\u8bef\u54cd\u5e94\u7684\u65b9\u9488<\/h1>\n<p>\u5728GraphQL\u4e2d\uff0c\u9664\u4e86\u5c06\u8981\u83b7\u53d6\u7684\u6570\u636e\u653e\u5728data\u90e8\u5206\u4e4b\u5916\uff0c\u5f53\u53d1\u751f\u9519\u8bef\u65f6\u8fd8\u4f1a\u5c06\u9519\u8bef\u4fe1\u606f\u5b58\u50a8\u5728error\u90e8\u5206\u3002GraphQL\u63a8\u8350\u4f7f\u7528HTTP\u72b6\u6001\u7801200(OK)\uff0c\u539f\u56e0\u5982\u4e0b\u3002<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">error\u90e8\u306b\u30a8\u30e9\u30fc\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u5165\u308c\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u306e\u3067\u3001\u30b9\u30c6\u30fc\u30bf\u30b9\u30b3\u30fc\u30c9\u3092\u6307\u5b9a\u3059\u308b\u30e1\u30ea\u30c3\u30c8\u304c\u307b\u3068\u3093\u3069\u306a\u3044\u305f\u3081<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\u4e00\u3064\u306e\u30ea\u30af\u30a8\u30b9\u30c8\u3067\u8907\u6570\u306e\u64cd\u4f5c\u304c\u53ef\u80fd\u3067\u3001\u8907\u6570\u306e\u30b9\u30c6\u30fc\u30bf\u30b9\u30b3\u30fc\u30c9\u304c\u7570\u306a\u308b\u30a8\u30e9\u30fc\u304c\u767a\u751f\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u305f\u3081<\/ul>\n<p>&nbsp;<\/p>\n<h2>GraphQL \u7684\u6807\u51c6\u9519\u8bef\u683c\u5f0f\u3002<\/h2>\n<p>GraphQL\u9519\u8bef\u90e8\u5206\u6709\u4e00\u4e2a\u6807\u51c6\u683c\u5f0f\u3002<br \/>\n\u683c\u5f0f\u5982\u4e0b\uff1a<\/p>\n<pre class=\"post-pre\"><code><span class=\"pi\">{<\/span>\r\n    <span class=\"s2\">\"<\/span><span class=\"s\">errors\"<\/span><span class=\"pi\">:<\/span> <span class=\"pi\">[<\/span>\r\n        <span class=\"s2\">\"<\/span><span class=\"s\">message\"<\/span><span class=\"pi\">:<\/span> <span class=\"s2\">\"<\/span><span class=\"s\">error<\/span> <span class=\"s\">message\"<\/span>\r\n        <span class=\"s2\">\"<\/span><span class=\"s\">locations\"<\/span><span class=\"pi\">:<\/span> <span class=\"pi\">{<\/span>\r\n            <span class=\"s2\">\"<\/span><span class=\"s\">line\"<\/span><span class=\"pi\">:<\/span> <span class=\"s2\">\"<\/span><span class=\"s\">15\"<\/span>\r\n            <span class=\"s2\">\"<\/span><span class=\"s\">column\"<\/span><span class=\"pi\">:<\/span> <span class=\"s2\">\"<\/span><span class=\"s\">10\"<\/span>\r\n        <span class=\"pi\">}<\/span>\r\n        <span class=\"s2\">\"<\/span><span class=\"s\">path\"<\/span><span class=\"pi\">:<\/span> <span class=\"pi\">[]<\/span>\r\n        <span class=\"s2\">\"<\/span><span class=\"s\">extensions\"<\/span><span class=\"pi\">:<\/span> <span class=\"pi\">{<\/span>\r\n            <span class=\"s2\">\"<\/span><span class=\"s\">classification\"<\/span><span class=\"pi\">:<\/span> <span class=\"s2\">\"<\/span><span class=\"s\">errorType\"<\/span>\r\n            <span class=\"nv\">...<\/span>\r\n        <span class=\"pi\">}<\/span>\r\n    <span class=\"pi\">]<\/span>\r\n<span class=\"pi\">}<\/span>\r\n<\/code><\/pre>\n<p>\u5982\u679c\u5c06\u5404\u9879\u76ee\u7b80\u5355\u603b\u7ed3\u5230\u8868\u683c\u4e2d\uff0c\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n<div>\n<div class=\"post-table\">\u30a8\u30f3\u30c8\u30ea\u540d\u30b5\u30d6\u30a8\u30f3\u30c8\u30ea\u540d\u8aac\u660e<code>message<\/code><br \/>\n\u30a8\u30e9\u30fc\u30e1\u30c3\u30bb\u30fc\u30b8<code>locations<\/code><code>line<\/code>\u30a8\u30e9\u30fc\u304c\u8d77\u304d\u305f\u30af\u30a8\u30ea\u306e\u884c\u6570<code>locations<\/code><code>column<\/code>\u30a8\u30e9\u30fc\u304c\u8d77\u304d\u305f\u30af\u30a8\u30ea\u306e\u5217\u6570<code>path<\/code><br \/>\n\u30a8\u30e9\u30fc\u304c\u8d77\u304d\u305f\u30d5\u30a3\u30fc\u30eb\u30c9\u306e\u30d1\u30b9\u60c5\u5831<code>extensions<\/code><br \/>\n\u30e6\u30fc\u30b6\u304c\u5b9a\u7fa9\u3067\u304d\u308b\u62e1\u5f35\u9805\u76ee<\/div>\n<\/div>\n<p>\u5728\u9ed8\u8ba4\u9519\u8bef\u6d88\u606f\u4e2d\uff0cextensions\u7684\u5b50\u6761\u76eeclassification\u4f1a\u663e\u793a\u4e3a\u9519\u8bef\u7c7b\u578b\u3002<\/p>\n<h2>\u5728\u4e1a\u52a1\u9519\u8bef\u4e2d\u8bbe\u8ba1\u9519\u8bef\u54cd\u5e94\u3002<\/h2>\n<p>GraphQL\u7684\u9519\u8bef\u90e8\u5206\u65e0\u6cd5\u8fdb\u884c\u6a21\u5f0f\u5b9a\u4e49\uff0c\u56e0\u6b64\u5ba2\u6237\u7aef\u5f88\u96be\u6839\u636e\u9519\u8bef\u90e8\u5206\u7684\u6570\u636e\u7075\u6d3b\u5e94\u5bf9\u3002\u56e0\u6b64\uff0c\u5728\u53ef\u6062\u590d\u7684\u4e1a\u52a1\u9519\u8bef\u4e2d\uff0c\u6709\u4e00\u4e2a\u4f7f\u7528\u6570\u636e\u90e8\u5206\u800c\u4e0d\u4f7f\u7528\u9519\u8bef\u90e8\u5206\u7684\u7b56\u7565\u3002\u8fd9\u79cd\u7b56\u7565\u7684\u4f18\u70b9\u5305\u62ec\u4ee5\u4e0b\u51e0\u70b9\uff1a<br \/>\n&#8211;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3068\u30b5\u30fc\u30d0\u306e\u5e72\u6e09\u304c\u5c11\u306a\u304f\u30a8\u30e9\u30fc\u30cf\u30f3\u30c9\u30ea\u30f3\u30b0\u306e\u5b9f\u88c5\u304c\u3067\u304d\u308b<\/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\">\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306f\u6b32\u3057\u3044\u30a8\u30e9\u30fc\u60c5\u5831\u306e\u307f\u3092\u6307\u5b9a\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b<\/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\u306edata\u90e8\u3060\u3051\u3092\u898b\u3066\u30a8\u30e9\u30fc\u30cf\u30f3\u30c9\u30ea\u30f3\u30b0\u3067\u304d\u308b<\/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\">\u5404\u30a8\u30e9\u30fc\u306b\u5bfe\u3057\u3066\u67d4\u8edf\u306b\u5b9a\u7fa9\u3067\u304d\u308b<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\u8b66\u544a\u30ec\u30b9\u30dd\u30f3\u30b9\u3082\u5b9a\u7fa9\u3067\u304d\u308b<\/ul>\n<h3>\u6709\u5173GraphQL\u9519\u8bef\u7684\u6a21\u5f0f\u5b9a\u4e49<\/h3>\n<p>GraphQL\u7684\u9519\u8bef\u5b9a\u4e49\u5982\u4e0b\u6240\u793a\u3002\u7531\u4e8e\u53ef\u80fd\u53d1\u751f\u591a\u4e2a\u4e1a\u52a1\u9519\u8bef\uff0c\u9519\u8bef\u4f1a\u88ab\u96c6\u5408\u8d77\u6765\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">type<\/span> <span class=\"n\">SelectBookPayload<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"n\">book<\/span><span class=\"p\">:<\/span> <span class=\"n\">Book<\/span><span class=\"p\">!<\/span>\r\n    <span class=\"n\">errors<\/span><span class=\"p\">:<\/span> <span class=\"p\">[<\/span><span class=\"n\">GraphQLError<\/span><span class=\"p\">]<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<span class=\"k\">interface<\/span> <span class=\"n\">Error<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"n\">message<\/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\">InputValidationError<\/span> <span class=\"k\">implements<\/span> <span class=\"n\">Error<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"n\">message<\/span><span class=\"p\">:<\/span> <span class=\"nb\">String<\/span><span class=\"p\">!<\/span>\r\n    <span class=\"n\">validationType<\/span><span class=\"p\">:<\/span> <span class=\"nb\">String<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<span class=\"k\">type<\/span> <span class=\"n\">NotFoundError<\/span> <span class=\"k\">implements<\/span> <span class=\"n\">Error<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"n\">message<\/span><span class=\"p\">:<\/span> <span class=\"nb\">String<\/span><span class=\"p\">!<\/span>\r\n    <span class=\"n\">resourceId<\/span><span class=\"p\">:<\/span> <span class=\"nb\">Int<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<span class=\"k\">union<\/span> <span class=\"n\">GraphQLError<\/span> <span class=\"p\">=<\/span> <span class=\"n\">InputValidationError<\/span> <span class=\"p\">|<\/span> <span class=\"n\">NotFoundError<\/span>\r\n<\/code><\/pre>\n<p>\u60a8\u53ef\u4ee5\u901a\u8fc7\u5b9a\u4e49union\u7c7b\u578b\u7684\u9519\u8bef\u6765\u5b9a\u4e49\u9519\u8bef\u5217\u8868\u3002\u6709\u5173union\u7684\u8be6\u7ec6\u4fe1\u606f\uff0c\u8bf7\u53c2\u9605\u4ee5\u4e0b\u6587\u6863\u3002<\/p>\n<p>&nbsp;<\/p>\n<h3>\u5173\u4e8e\u4e1a\u52a1\u9519\u8bef\u7684\u67e5\u8be2<\/h3>\n<p>\u6839\u636e\u5148\u524d\u5b9a\u4e49\u7684\u6a21\u5f0f\uff0c\u57fa\u4e8e\u8fd9\u4e2a\u6a21\u5f0f\u7684\u67e5\u8be2\u5982\u4e0b\u3002\u6839\u636e\u6bcf\u4e2a\u9519\u8bef\u7c7b\u578b\u9009\u62e9\u83b7\u53d6\u7684\u6570\u636e\u3002\u7531\u4e8eerrors\u662f\u4e00\u4e2a\u8054\u5408\u7c7b\u578b\u7684\u96c6\u5408\uff0c\u56e0\u6b64\u9700\u8981\u6839\u636e\u6bcf\u4e2a\u5177\u4f53\u7c7b\u578b\u9009\u62e9\u8981\u83b7\u53d6\u7684\u5b57\u6bb5\uff08&#8230;\u5728on\u540e\u9762\u6307\u5b9a\uff09\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">query<\/span> <span class=\"n\">GetBook<\/span> <span class=\"p\">{<\/span>\r\n  <span class=\"n\">bookById<\/span><span class=\"p\">(<\/span><span class=\"n\">id<\/span><span class=\"p\">:<\/span> <span class=\"s2\">\"book-1\"<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"n\">book<\/span> <span class=\"p\">{<\/span>\r\n      <span class=\"n\">name<\/span>\r\n      <span class=\"n\">pageCount<\/span>\r\n      <span class=\"n\">author<\/span> <span class=\"p\">{<\/span>\r\n        <span class=\"n\">firstName<\/span>\r\n        <span class=\"n\">lastName<\/span>\r\n      <span class=\"p\">}<\/span>\r\n    <span class=\"p\">}<\/span>\r\n    <span class=\"n\">errors<\/span> <span class=\"p\">{<\/span>\r\n      <span class=\"p\">...<\/span> <span class=\"k\">on<\/span> <span class=\"n\">InputValidationError<\/span> <span class=\"p\">{<\/span>\r\n        <span class=\"n\">message<\/span>\r\n        <span class=\"n\">validationType<\/span>\r\n      <span class=\"p\">}<\/span>\r\n      <span class=\"p\">...<\/span> <span class=\"k\">on<\/span> <span class=\"n\">NotFoundError<\/span> <span class=\"p\">{<\/span>\r\n        <span class=\"n\">message<\/span>\r\n        <span class=\"n\">resourceId<\/span>\r\n      <span class=\"p\">}<\/span>\r\n    <span class=\"p\">}<\/span>\r\n  <span class=\"p\">}<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<h3>\u6709\u95dc\u696d\u52d9\u932f\u8aa4\u7684\u56de\u61c9<\/h3>\n<p>\u6839\u636e\u5148\u524d\u5b9a\u4e49\u7684\u6a21\u5f0f\uff0c\u6765\u81eaGraphQL\u670d\u52a1\u5668\u7684\u54cd\u5e94\u5982\u4e0b\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"p\">{<\/span>\r\n  <span class=\"nl\">\"data\"<\/span><span class=\"p\">:<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"nl\">\"bookById\"<\/span><span class=\"p\">:<\/span> <span class=\"p\">{<\/span>\r\n      <span class=\"nl\">\"book\"<\/span><span class=\"p\">:<\/span> <span class=\"kc\">null<\/span><span class=\"p\">,<\/span>\r\n      <span class=\"nl\">\"errors\"<\/span><span class=\"p\">:<\/span> <span class=\"p\">[<\/span>\r\n        <span class=\"p\">{<\/span>\r\n          <span class=\"nl\">\"message\"<\/span><span class=\"p\">:<\/span> <span class=\"s2\">\"Custom Not Found Error\"<\/span><span class=\"p\">,<\/span>\r\n          <span class=\"nl\">\"resourceId\"<\/span><span class=\"p\">:<\/span> <span class=\"s2\">\"book-1\"<\/span>\r\n        <span class=\"p\">},<\/span>\r\n        <span class=\"p\">{<\/span>\r\n          <span class=\"nl\">\"message\"<\/span><span class=\"p\">:<\/span> <span class=\"s2\">\"Custom Input Validation Error\"<\/span><span class=\"p\">,<\/span>\r\n          <span class=\"nl\">\"validationType\"<\/span><span class=\"p\">:<\/span> <span class=\"s2\">\"miss type input: book-1\"<\/span>\r\n        <span class=\"p\">}<\/span>\r\n      <span class=\"p\">]<\/span>\r\n    <span class=\"p\">}<\/span>\r\n  <span class=\"p\">}<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<h2>\u5728\u7cfb\u7edf\u9519\u8bef\u4e2d\u8bbe\u8ba1\u9519\u8bef\u54cd\u5e94\u3002<\/h2>\n<p>\u5982\u679c\u53d1\u751f\u7cfb\u7edf\u9519\u8bef\uff0c\u6211\u4eec\u5c06\u5728error\u90e8\u5206\u8bb0\u8f7d\u9519\u8bef\u7684\u8be6\u7ec6\u4fe1\u606f\u3002\u5c06\u7cfb\u7edf\u9519\u8bef\u8bb0\u5f55\u5728error\u90e8\u5206\u7684\u597d\u5904\u5982\u4e0b\uff1a<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">extensions\u30a8\u30f3\u30c8\u30ea\u306b\u30b5\u30fc\u30d0\u5074\u304c\u81ea\u7531\u306b\u8a2d\u5b9a\u3057\u305f\u30c7\u30fc\u30bf\u3092\u5165\u308c\u308b\u3053\u3068\u304c\u3067\u304d\u308b<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u5074\u306e\u30a8\u30e9\u30fc\u30cf\u30f3\u30c9\u30ea\u30f3\u30b0\u306f\u57fa\u672c\u7684\u306bdata\u90e8\u3060\u3051\u898b\u3066\u51e6\u7406\u3059\u308c\u3070\u3088\u304f\u306a\u308b<\/ul>\n<h3>\u5173\u4e8e\u7cfb\u7edf\u9519\u8bef\u7684\u67e5\u8be2<\/h3>\n<p>\u7cfb\u7edf\u9519\u8bef\u4e0d\u9700\u8981\u7279\u5b9a\u7684\u6a21\u5f0f\u5b9a\u4e49\u3002\u56e0\u6b64\uff0c\u6709\u5173\u67e5\u8be2\u7684\u4fe1\u606f\u4e5f\u4e0d\u5305\u542b\u7279\u5b9a\u7684\u9519\u8bef\uff0c\u5982\u4e0b\u6240\u793a\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">query<\/span> <span class=\"n\">GetBook<\/span> <span class=\"p\">{<\/span>\r\n  <span class=\"n\">bookById<\/span><span class=\"p\">(<\/span><span class=\"n\">id<\/span><span class=\"p\">:<\/span> <span class=\"s2\">\"book-1\"<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"n\">book<\/span> <span class=\"p\">{<\/span>\r\n      <span class=\"n\">name<\/span>\r\n      <span class=\"n\">pageCount<\/span>\r\n      <span class=\"n\">author<\/span> <span class=\"p\">{<\/span>\r\n        <span class=\"n\">firstName<\/span>\r\n        <span class=\"n\">lastName<\/span>\r\n      <span class=\"p\">}<\/span>\r\n    <span class=\"p\">}<\/span>\r\n  <span class=\"p\">}<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<h3>\u5173\u4e8e\u7cfb\u7edf\u9519\u8bef\u7684\u54cd\u5e94<\/h3>\n<p>\u5f53\u7cfb\u7edf\u53d1\u751f\u9519\u8bef\u65f6\uff0c\u9519\u8bef\u4fe1\u606f\u4f1a\u5305\u542b\u5728error\u5b57\u6bb5\u4e2d\u3002\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c\u9519\u8bef\u4fe1\u606f\u4e3aINTERNAL_ERROR\uff0c\u5982\u4e0b\u6240\u793a\u3002\u5982\u679c\u80fd\u591f\u83b7\u53d6\u5230data\u5b57\u6bb5\u7684\u90e8\u5206\u6570\u636e\uff0c\u90a3\u4e48\u90e8\u5206\u6570\u636e\u5c06\u4f1a\u8fd4\u56de\u3002\u7531\u4e8e\u6240\u6709\u9519\u8bef\u90fd\u88ab\u5f52\u4e3aINTERNAL_ERROR\uff0c\u56e0\u6b64GraphQL\u670d\u52a1\u5668\u9700\u8981\u4fee\u6539error\u5b57\u6bb5\u4ee5\u4fbf\u8fdb\u884c\u76f8\u5e94\u5904\u7406\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"p\">{<\/span>\r\n  <span class=\"nl\">\"errors\"<\/span><span class=\"p\">:<\/span> <span class=\"p\">[<\/span>\r\n    <span class=\"p\">{<\/span>\r\n      <span class=\"nl\">\"message\"<\/span><span class=\"p\">:<\/span> <span class=\"s2\">\"INTERNAL_ERROR for df936d34-ec18-732a-1f3e-a2564cc06d29\"<\/span><span class=\"p\">,<\/span>\r\n      <span class=\"nl\">\"locations\"<\/span><span class=\"p\">:<\/span> <span class=\"p\">[<\/span>\r\n        <span class=\"p\">{<\/span>\r\n          <span class=\"nl\">\"line\"<\/span><span class=\"p\">:<\/span> <span class=\"mi\">37<\/span><span class=\"p\">,<\/span>\r\n          <span class=\"nl\">\"column\"<\/span><span class=\"p\">:<\/span> <span class=\"mi\">7<\/span>\r\n        <span class=\"p\">}<\/span>\r\n      <span class=\"p\">],<\/span>\r\n      <span class=\"nl\">\"path\"<\/span><span class=\"p\">:<\/span> <span class=\"p\">[<\/span>\r\n        <span class=\"s2\">\"bookById\"<\/span><span class=\"p\">,<\/span>\r\n        <span class=\"s2\">\"book\"<\/span><span class=\"p\">,<\/span>\r\n        <span class=\"s2\">\"author\"<\/span>\r\n      <span class=\"p\">],<\/span>\r\n      <span class=\"nl\">\"extensions\"<\/span><span class=\"p\">:<\/span> <span class=\"p\">{<\/span>\r\n        <span class=\"nl\">\"classification\"<\/span><span class=\"p\">:<\/span> <span class=\"s2\">\"INTERNAL_ERROR\"<\/span>\r\n      <span class=\"p\">}<\/span>\r\n    <span class=\"p\">}<\/span>\r\n  <span class=\"p\">],<\/span>\r\n  <span class=\"nl\">\"data\"<\/span><span class=\"p\">:<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"nl\">\"bookById\"<\/span><span class=\"p\">:<\/span> <span class=\"p\">{<\/span>\r\n      <span class=\"nl\">\"book\"<\/span><span class=\"p\">:<\/span> <span class=\"p\">{<\/span>\r\n        <span class=\"nl\">\"id\"<\/span><span class=\"p\">:<\/span> <span class=\"s2\">\"book-1\"<\/span><span class=\"p\">,<\/span>\r\n        <span class=\"nl\">\"pageCount\"<\/span><span class=\"p\">:<\/span> <span class=\"mi\">416<\/span><span class=\"p\">,<\/span>\r\n        <span class=\"nl\">\"author\"<\/span><span class=\"p\">:<\/span> <span class=\"kc\">null<\/span>\r\n      <span class=\"p\">}<\/span>\r\n    <span class=\"p\">}<\/span>\r\n  <span class=\"p\">}<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<h1>\u9519\u8bef\u5904\u7406\u90e8\u5206<\/h1>\n<p>\u5728Spring\u4e2d\u6784\u5efaGraphQL\u670d\u52a1\u5668\u7684\u914d\u7f6e\u5982\u4e0b\u56fe\u6240\u793a\u3002\u63a7\u5236GraphQL\u8bf7\u6c42\u548c\u54cd\u5e94\u7684\u662f\u62e6\u622a\u5668\u3002\u670d\u52a1\u5668\u7684\u4e3b\u8981\u5904\u7406\u4f4d\u4e8e\u63a7\u5236\u5668\u3001\u670d\u52a1\u548c\u5b58\u50a8\u5e93\u5c42\uff0c\u5f53\u5728\u8fd9\u4e9b\u5c42\u4e2d\u53d1\u751f\u5f02\u5e38\u65f6\uff0c\u5c06\u4f7f\u7528\u5f02\u5e38\u5904\u7406\u5668\u6765\u5904\u7406\u9519\u8bef\u3002\u7ed3\u679c\u901a\u8fc7\u62e6\u622a\u5668\u8fd4\u56de\u7ed9\u5ba2\u6237\u7aef\u3002\u6839\u636e\u4e0d\u540c\u7684\u9519\u8bef\uff0c\u5904\u7406\u7684\u9636\u6bb5\u4e5f\u4f1a\u6709\u6240\u4e0d\u540c\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d7f24913a08637a6a59e4\/68-0.png\" alt=\"chain.png\" \/><\/div>\n<h2>\u696d\u52d9\u51fa\u9519\u65f6\u7684\u9519\u8bef\u5904\u7406\u90e8\u5206 sh\u00ed de<\/h2>\n<p>\u4e1a\u52a1\u9519\u8bef\u65e0\u6cd5\u5b8c\u5168\u901a\u8fc7\u62e6\u622a\u5668\u6216\u5f02\u5e38\u5904\u7406\u6765\u5904\u7406\uff0c\u56e0\u4e3a\u5b83\u4eec\u65e0\u6cd5\u5c06\u9519\u8bef\u4fe1\u606f\u653e\u5165data\u90e8\u5206\u3002\u62e6\u622a\u5668\u7684\u5904\u7406\u65b9\u5f0f\u4e0d\u9002\u5408\u672c\u6b21\u9519\u8bef\u54cd\u5e94\u7b56\u7565\uff0c\u56e0\u4e3a\u5b83\u53ef\u4ee5\u5c06\u9519\u8bef\u4fe1\u606f\u653e\u5165\u800c\u4e0d\u4f9d\u8d56\u4e8e\u6a21\u5f0f\u5b9a\u4e49\u3002\u6b64\u5916\uff0c\u7a0d\u540e\u4f1a\u8be6\u7ec6\u89e3\u91ca\uff0cGraphQL\u7684ExceptionHandler\u53ea\u8fd4\u56deerror\u90e8\u5206\uff0c\u65e0\u6cd5\u5c06\u9519\u8bef\u4fe1\u606f\u653e\u5165data\u90e8\u5206\u3002\u56e0\u6b64\uff0c\u6211\u4eec\u5c06\u5728Controller\u3001Service\u6216Repository\u5c42\u4e2d\u4f7f\u7528try-catch\u8bed\u53e5\u7b49\u8fdb\u884c\u9519\u8bef\u5904\u7406\u3002<\/p>\n<h2>\u7cfb\u7edf\u9519\u8bef\u65f6\u7684\u9519\u8bef\u5904\u7406\u90e8\u5206<\/h2>\n<p>\u5728\u63a7\u5236\u5668\uff08Controller\uff09\u3001\u670d\u52a1\uff08Service\uff09\u548c\u4ed3\u5e93\uff08Repository\uff09\u5c42\u5185\u7684\u5904\u7406\u57fa\u672c\u4e0a\u53ea\u9488\u5bf9GraphQL\u7684\u6570\u636e\u90e8\u5206\uff0c\u56e0\u6b64\u4e0d\u9002\u5408\u5904\u7406\u9519\u8bef\u90e8\u5206\u3002\u56e0\u6b64\uff0c\u7cfb\u7edf\u9519\u8bef\u7684\u5904\u7406\uff0c\u5305\u62ec\u9488\u5bf9\u5728\u63a7\u5236\u5668\u3001\u670d\u52a1\u548c\u4ed3\u5e93\u5c42\u53d1\u751f\u7684\u5f02\u5e38\uff0c\u8981\u4f7f\u7528\u5f02\u5e38\u5904\u7406\u7a0b\u5e8f\uff08ExceptionHandler\uff09\u6765\u5904\u7406\u3002\u5176\u4ed6\u5f02\u5e38\u60c5\u51b5\u5219\u4f7f\u7528\u62e6\u622a\u5668\uff08Interceptor\uff09\u6765\u5904\u7406\u3002<\/p>\n<h1>\u5728Spring Boot\u7684\u5b9e\u73b0\u4e2d\u5904\u7406\u4e1a\u52a1\u9519\u8bef<\/h1>\n<h2>\u696d\u52d9\u932f\u8aa4\u7684\u5b9a\u7fa9<\/h2>\n<p>\u6211\u5011\u5c07\u5be6\u73fe\u8207GraphQL\u97ff\u61c9\u6578\u64da\u90e8\u5206\u76f8\u540c\u7684\u4ee3\u78bc\u3002\u9996\u5148\uff0c\u6211\u5011\u5c07\u5b9a\u7fa9\u4e00\u500bPOJO\u4f86\u5c0d\u61c9GraphQL\u7684\u6a21\u5f0f\u5b9a\u7fa9\u985e\u3002GraphQLError\u985e\u7684\u5c0d\u8c61\u5c07\u5c0d\u61c9\u5230GraphQL\u4e2d\u7684\u63a5\u53e3\u548c\u806f\u5408\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"kd\">public<\/span> <span class=\"kd\">class<\/span> <span class=\"nc\">GraphQLError<\/span> <span class=\"o\">{<\/span>\r\n    <span class=\"kd\">private<\/span> <span class=\"nc\">String<\/span> <span class=\"n\">message<\/span><span class=\"o\">;<\/span>\r\n<span class=\"o\">}<\/span>\r\n<\/code><\/pre>\n<pre class=\"post-pre\"><code><span class=\"kd\">public<\/span> <span class=\"kd\">class<\/span> <span class=\"nc\">GraphQLInputValidationError<\/span> <span class=\"kd\">extends<\/span> <span class=\"nc\">GraphQLError<\/span> <span class=\"o\">{<\/span>\r\n    <span class=\"kd\">private<\/span> <span class=\"nc\">String<\/span> <span class=\"n\">validationType<\/span><span class=\"o\">;<\/span>\r\n\r\n    <span class=\"kd\">public<\/span> <span class=\"nf\">GraphQLInputValidationError<\/span><span class=\"o\">(<\/span><span class=\"nc\">String<\/span> <span class=\"n\">message<\/span><span class=\"o\">,<\/span> <span class=\"nc\">String<\/span> <span class=\"n\">validationType<\/span><span class=\"o\">)<\/span> <span class=\"o\">{<\/span>\r\n        <span class=\"kd\">super<\/span><span class=\"o\">(<\/span><span class=\"n\">message<\/span><span class=\"o\">);<\/span>\r\n        <span class=\"k\">this<\/span><span class=\"o\">.<\/span><span class=\"na\">validationType<\/span> <span class=\"o\">=<\/span> <span class=\"n\">validationType<\/span><span class=\"o\">;<\/span>\r\n    <span class=\"o\">}<\/span>\r\n<span class=\"o\">}<\/span>\r\n<\/code><\/pre>\n<pre class=\"post-pre\"><code><span class=\"kd\">public<\/span> <span class=\"kd\">class<\/span> <span class=\"nc\">GraphQLNotFoundError<\/span> <span class=\"kd\">extends<\/span> <span class=\"nc\">GraphQLError<\/span> <span class=\"o\">{<\/span>\r\n    <span class=\"kd\">private<\/span> <span class=\"kd\">final<\/span> <span class=\"nc\">String<\/span> <span class=\"n\">resourceId<\/span><span class=\"o\">;<\/span>\r\n\r\n    <span class=\"kd\">public<\/span> <span class=\"nf\">GraphQLNotFoundError<\/span><span class=\"o\">(<\/span><span class=\"nc\">String<\/span> <span class=\"n\">message<\/span><span class=\"o\">,<\/span> <span class=\"nc\">String<\/span> <span class=\"n\">resourceId<\/span><span class=\"o\">)<\/span> <span class=\"o\">{<\/span>\r\n        <span class=\"kd\">super<\/span><span class=\"o\">(<\/span><span class=\"n\">message<\/span><span class=\"o\">);<\/span>\r\n        <span class=\"k\">this<\/span><span class=\"o\">.<\/span><span class=\"na\">resourceId<\/span> <span class=\"o\">=<\/span> <span class=\"n\">resourceId<\/span><span class=\"o\">;<\/span>\r\n    <span class=\"o\">}<\/span>\r\n<span class=\"o\">}<\/span>\r\n<\/code><\/pre>\n<p>\u5982\u679c\u5728POJO\u4e2d\u5b9a\u4e49\u4e86\u4e1a\u52a1\u9519\u8bef\uff0c\u5219\u8fdb\u884c\u54cd\u5e94\u7684Payload\u5b9a\u4e49\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nd\">@Data<\/span>\r\n<span class=\"nd\">@Builder<\/span>\r\n<span class=\"kd\">public<\/span> <span class=\"kd\">class<\/span> <span class=\"nc\">SelectBookPayload<\/span> <span class=\"o\">{<\/span>\r\n    <span class=\"kd\">private<\/span> <span class=\"nc\">Book<\/span> <span class=\"n\">book<\/span><span class=\"o\">;<\/span>\r\n    <span class=\"kd\">private<\/span> <span class=\"nc\">List<\/span><span class=\"o\">&lt;<\/span><span class=\"nc\">GraphQLError<\/span><span class=\"o\">&gt;<\/span> <span class=\"n\">errors<\/span><span class=\"o\">;<\/span>\r\n<span class=\"o\">}<\/span>\r\n<\/code><\/pre>\n<h2>\u5bf9\u4e8e\u9519\u8bef\u7684Union\u7c7b\u578b\u5904\u7406<\/h2>\n<p>\u7531\u4e8eGraphQL\u7684Union\u7c7b\u578b\u4e0eJava\u4e2d\u7684\u7c7b\u6ca1\u6709\u5bf9\u5e94\u5173\u7cfb\uff0c\u5982\u679c\u6ca1\u6709\u8fdb\u884c\u4efb\u4f55\u8bbe\u7f6e\uff0c\u5c06\u4f1a\u51fa\u73b0\u4ee5\u4e0b\u9519\u8bef\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"na\">java.util.concurrent.CompletionException: graphql.AssertException<\/span><span class=\"pi\">:<\/span> <span class=\"s\">You have asked for named object type 'GraphQLError' but it's not an object type but rather a 'graphql.schema.GraphQLUnionType'<\/span>\r\n<\/code><\/pre>\n<p>\u56e0\u6b64\uff0c\u9700\u8981\u5728Config\u6587\u4ef6\u4e2d\u8bbe\u7f6eGraphQL\u7684Union\u7c7b\u578b\u5bf9\u5e94\u7684\u7c7b\u3002\u4e0b\u9762\u7684\u4ee3\u7801\u662f\u521b\u5efa\u540d\u4e3aGraphQLConfig.java\u7684Config\u6587\u4ef6\uff0c\u5e76\u8fdb\u884c\u4e86Union\u7c7b\u578b\u548cJava\u7c7b\u7684\u5bf9\u5e94\u5173\u7cfb\u7684\u793a\u4f8b\u4ee3\u7801\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nd\">@Configuration<\/span>\r\n<span class=\"kd\">public<\/span> <span class=\"kd\">class<\/span> <span class=\"nc\">GraphQLConfig<\/span> <span class=\"o\">{<\/span>\r\n    <span class=\"nd\">@Bean<\/span>\r\n    <span class=\"kd\">public<\/span> <span class=\"nc\">GraphQlSourceBuilderCustomizer<\/span> <span class=\"nf\">sourceBuilderCustomizer<\/span><span class=\"o\">()<\/span> <span class=\"o\">{<\/span>\r\n        <span class=\"k\">return<\/span> <span class=\"o\">(<\/span><span class=\"n\">builder<\/span><span class=\"o\">)<\/span> <span class=\"o\">-&gt;<\/span> <span class=\"o\">{<\/span>\r\n            <span class=\"nc\">ClassNameTypeResolver<\/span> <span class=\"n\">classNameTypeResolver<\/span> <span class=\"o\">=<\/span> <span class=\"k\">new<\/span> <span class=\"nc\">ClassNameTypeResolver<\/span><span class=\"o\">();<\/span>\r\n            <span class=\"n\">classNameTypeResolver<\/span><span class=\"o\">.<\/span><span class=\"na\">addMapping<\/span><span class=\"o\">(<\/span><span class=\"nc\">CustomNotFoundGraphQLError<\/span><span class=\"o\">.<\/span><span class=\"na\">class<\/span><span class=\"o\">,<\/span> <span class=\"s\">\"NotFoundError\"<\/span><span class=\"o\">);<\/span>\r\n            <span class=\"n\">classNameTypeResolver<\/span><span class=\"o\">.<\/span><span class=\"na\">addMapping<\/span><span class=\"o\">(<\/span><span class=\"nc\">CustomInputValidationGraphQLError<\/span><span class=\"o\">.<\/span><span class=\"na\">class<\/span><span class=\"o\">,<\/span> <span class=\"s\">\"InputValidationError\"<\/span><span class=\"o\">);<\/span>\r\n            \r\n            <span class=\"n\">builder<\/span><span class=\"o\">.<\/span><span class=\"na\">defaultTypeResolver<\/span><span class=\"o\">(<\/span><span class=\"n\">classNameTypeResolver<\/span><span class=\"o\">);<\/span>\r\n        <span class=\"o\">};<\/span>\r\n    <span class=\"o\">}<\/span>\r\n<span class=\"o\">}<\/span>\r\n<\/code><\/pre>\n<p>\u5b9e\u73b0\u4ee3\u7801\u7684\u6982\u8981\u5982\u4e0b\u3002<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">Java\u306eCustomNotFoundGraphQLError\u30af\u30e9\u30b9\u3092GraphQL\u30b9\u30ad\u30fc\u30de\u306eNotFoundError\u3068\u7d10\u3065\u3051\u308b<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">Java\u306eCustomInputValidationGraphQLError\u30af\u30e9\u30b9\u3092GraphQL\u30b9\u30ad\u30fc\u30de\u306eInputValidationError\u306b\u7d10\u3065\u3051\u308b<\/ul>\n<p>\u8fd9\u4e2a`sourceBuilderCustomizer`\u65b9\u6cd5\u7684\u4ee3\u7801\u662f\u7528\u6765\u6269\u5c55\u6a21\u5f0f\u7684\u529f\u80fd\u3002\u5b83\u63a5\u6536\u4e00\u4e2a`SchemaResourceBuilder`\u7c7b\u7684\u5bf9\u8c61`builder`\uff0c\u5e76\u5bf9`builder`\u8fdb\u884c\u6269\u5c55\u3002<\/p>\n<h2>\u6355\u6349\u4e1a\u52a1\u9519\u8bef<\/h2>\n<p>\u5728Controller\u3001Service\u548cRepository\u5c42\u5904\u7406\u4e1a\u52a1\u9519\u8bef\u3002\u7531\u4e8e\u76ee\u524d\u6ca1\u6709\u5173\u4e8e\u4e1a\u52a1\u9519\u8bef\u7684\u6700\u4f73\u5b9e\u8df5\uff0c\u6240\u4ee5\u8fd9\u91cc\u53ea\u63d0\u4f9b\u4e00\u4e2a\u5b9e\u73b0\u793a\u4f8b\u3002\u4f7f\u7528try-catch\u8bed\u53e5\u5c06\u9519\u8bef\u4fe1\u606f\u5b58\u5165\u6570\u636e\u90e8\u5206\u7684error\u7c7b\u578b\u4e2d\u3002\u901a\u8fc7\u4f7f\u7528try-catch\u8bed\u53e5\uff0c\u53ef\u4ee5\u6355\u83b7\u591a\u4e2a\u5f02\u5e38\uff0c\u4f7f\u5ba2\u6237\u7aef\u80fd\u591f\u83b7\u53d6\u591a\u4e2a\u9519\u8bef\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"kd\">public<\/span> <span class=\"nc\">SelectBookRepositoryOutDto<\/span> <span class=\"nf\">bookById<\/span><span class=\"o\">(<\/span><span class=\"nc\">SelectBookRepositoryInDto<\/span> <span class=\"n\">selectBookRepositoryInDto<\/span><span class=\"o\">)<\/span> <span class=\"o\">{<\/span>\r\n    <span class=\"nc\">Book<\/span> <span class=\"n\">foundBook<\/span> <span class=\"o\">=<\/span> <span class=\"kc\">null<\/span><span class=\"o\">;<\/span>\r\n    <span class=\"nc\">List<\/span><span class=\"o\">&lt;<\/span><span class=\"nc\">CustomGraphQLError<\/span><span class=\"o\">&gt;<\/span> <span class=\"n\">errors<\/span> <span class=\"o\">=<\/span> <span class=\"k\">new<\/span> <span class=\"nc\">ArrayList<\/span><span class=\"o\">&lt;&gt;();<\/span>\r\n\r\n    <span class=\"k\">try<\/span> <span class=\"o\">{<\/span>\r\n        <span class=\"n\">foundBook<\/span> <span class=\"o\">=<\/span> <span class=\"n\">books<\/span><span class=\"o\">.<\/span><span class=\"na\">stream<\/span><span class=\"o\">()<\/span>\r\n                <span class=\"o\">.<\/span><span class=\"na\">filter<\/span><span class=\"o\">(<\/span><span class=\"n\">book<\/span> <span class=\"o\">-&gt;<\/span> <span class=\"n\">book<\/span><span class=\"o\">.<\/span><span class=\"na\">getId<\/span><span class=\"o\">().<\/span><span class=\"na\">equals<\/span><span class=\"o\">(<\/span><span class=\"n\">selectBookRepositoryInDto<\/span><span class=\"o\">.<\/span><span class=\"na\">getId<\/span><span class=\"o\">()))<\/span>\r\n                <span class=\"o\">.<\/span><span class=\"na\">findFirst<\/span><span class=\"o\">()<\/span>\r\n                <span class=\"o\">.<\/span><span class=\"na\">orElse<\/span><span class=\"o\">(<\/span><span class=\"kc\">null<\/span><span class=\"o\">);<\/span>\r\n    <span class=\"o\">}<\/span> <span class=\"k\">catch<\/span><span class=\"o\">(<\/span><span class=\"nc\">Exception<\/span> <span class=\"n\">e<\/span><span class=\"o\">)<\/span> <span class=\"o\">{<\/span>\r\n        <span class=\"n\">errors<\/span><span class=\"o\">.<\/span><span class=\"na\">add<\/span><span class=\"o\">(<\/span><span class=\"k\">new<\/span> <span class=\"nc\">CustomNotFoundGraphQLError<\/span><span class=\"o\">(<\/span><span class=\"s\">\"book is not found\"<\/span><span class=\"o\">,<\/span> <span class=\"mi\">404<\/span><span class=\"o\">));<\/span>\r\n    <span class=\"o\">}<\/span>\r\n    <span class=\"k\">return<\/span> <span class=\"nc\">SelectBookRepositoryOutDto<\/span><span class=\"o\">.<\/span><span class=\"na\">builder<\/span><span class=\"o\">()<\/span>\r\n            <span class=\"o\">.<\/span><span class=\"na\">book<\/span><span class=\"o\">(<\/span><span class=\"n\">foundBook<\/span><span class=\"o\">)<\/span>\r\n            <span class=\"o\">.<\/span><span class=\"na\">errors<\/span><span class=\"o\">(<\/span><span class=\"n\">errors<\/span><span class=\"o\">)<\/span>\r\n            <span class=\"o\">.<\/span><span class=\"na\">build<\/span><span class=\"o\">();<\/span>\r\n<span class=\"o\">}<\/span>\r\n<\/code><\/pre>\n<h1>Spring Boot\u7684\u5b9e\u73b0\u5728\u7cfb\u7edf\u9519\u8bef\u4e2d\u3002<\/h1>\n<h2>\u4e3aGraphQL\u7684\u9519\u8bef\u90e8\u5206\u521b\u5efa\u5bf9\u5e94\u7684Java\u5bf9\u8c61\u3002<\/h2>\n<p>\u5728Spring Boot\u4e2d\uff0c\u9519\u8bef\u90e8\u5206\u7684\u6570\u636e\u53ef\u4ee5\u901a\u8fc7GraphQLError\u5bf9\u8c61\u8fdb\u884c\u5b9e\u73b0\u3002GraphQLError\u5bf9\u8c61\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u65b9\u5f0f\u5b9a\u4e49\u548c\u751f\u6210\u3002newError\u65b9\u6cd5\u5bf9\u5e94\u4e8ebuilder()\u65b9\u6cd5\u3002\u56e0\u6b64\uff0c\u53ea\u9700\u8981\u5728\u65b9\u6cd5\u94fe\u4e2d\u8bbe\u7f6e\u9700\u8981\u914d\u7f6e\u7684\u5b57\u6bb5\uff0c\u7136\u540e\u751f\u6210\u5bf9\u8c61\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nc\">GraphQLError<\/span> <span class=\"n\">graphQLError<\/span> <span class=\"o\">=<\/span> <span class=\"nc\">GraphQLError<\/span><span class=\"o\">.<\/span><span class=\"na\">newError<\/span><span class=\"o\">()<\/span>\r\n                                        <span class=\"o\">.<\/span><span class=\"na\">errorType<\/span><span class=\"o\">(<\/span><span class=\"nc\">ErrorType<\/span><span class=\"o\">.<\/span><span class=\"na\">INTERNAL_ERROR<\/span><span class=\"o\">)<\/span>\r\n                                        <span class=\"o\">.<\/span><span class=\"na\">message<\/span><span class=\"o\">(<\/span><span class=\"n\">e<\/span><span class=\"o\">.<\/span><span class=\"na\">getMessage<\/span><span class=\"o\">())<\/span>\r\n                                        <span class=\"o\">.<\/span><span class=\"na\">path<\/span><span class=\"o\">(<\/span><span class=\"nc\">List<\/span><span class=\"o\">.<\/span><span class=\"na\">of<\/span><span class=\"o\">(<\/span><span class=\"s\">\"path1\"<\/span><span class=\"o\">))<\/span> <span class=\"c1\">\/\/ \u30aa\u30d7\u30b7\u30e7\u30f3<\/span>\r\n                                        <span class=\"o\">.<\/span><span class=\"na\">locations<\/span><span class=\"o\">(<\/span><span class=\"nc\">List<\/span><span class=\"o\">.<\/span><span class=\"na\">of<\/span><span class=\"o\">(<\/span><span class=\"k\">new<\/span> <span class=\"nc\">SourceLocation<\/span><span class=\"o\">(<\/span><span class=\"mi\">1<\/span><span class=\"o\">,<\/span><span class=\"mi\">10<\/span><span class=\"o\">)))<\/span> <span class=\"c1\">\/\/ \u30aa\u30d7\u30b7\u30e7\u30f3<\/span>\r\n                                        <span class=\"o\">.<\/span><span class=\"na\">extensions<\/span><span class=\"o\">(<\/span><span class=\"nc\">Map<\/span><span class=\"o\">.<\/span><span class=\"na\">of<\/span><span class=\"o\">(<\/span><span class=\"s\">\"classification\"<\/span><span class=\"o\">,<\/span> <span class=\"s\">\"errorType\"<\/span><span class=\"o\">))<\/span> <span class=\"c1\">\/\/ \u30aa\u30d7\u30b7\u30e7\u30f3<\/span>\r\n                                        <span class=\"o\">.<\/span><span class=\"na\">build<\/span><span class=\"o\">();<\/span>\r\n<\/code><\/pre>\n<p>\u5728\u4e0b\u8868\u4e2d\u5c55\u793a\u4e86\u4e0e\u6bcf\u4e2aJSON\u6761\u76ee\u76f8\u5173\u7684\u65b9\u6cd5\u7684\u8bf4\u660e\u3002<\/p>\n<div>\n<div class=\"post-table\">\u30e1\u30bd\u30c3\u30c9\u540d(JSON \u30a8\u30f3\u30c8\u30ea\u540d)\u5f15\u6570\u306e\u578b<code>errorType<\/code><code>ErrorClassification<\/code><code>message<\/code><code>String<\/code><code>path<\/code><code>List&lt;Object&gt;<\/code><code>location<\/code> \u307e\u305f\u306f <code>locations<\/code><code>SourceLocation<\/code> \u307e\u305f\u306f <code>List&lt;SourceLocation&gt;<\/code><code>extensions<\/code><code>Map&lt;String, Object&gt;<\/code><\/div>\n<\/div>\n<p>\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u5c06\u8be6\u7ec6\u8ba8\u8bba\u7c7b\u578b\u7684\u7ec6\u8282\u3002<\/p>\n<h3>\u9519\u8bef\u5206\u7c7b<\/h3>\n<p>errorType\u65b9\u6cd5\u7684\u53c2\u6570\u662fErrorClassification\u63a5\u53e3\uff0c\u4f46\u662f\u4e0d\u80fd\u76f4\u63a5\u4f7f\u7528\u3002\u5728\u4f7f\u7528\u65f6\u9700\u8981\u4f7f\u7528\u679a\u4e3e\u7c7b\u578bErrorType\u3002GraphQL\u7684ErrorType\u6709\u4e24\u79cd\u5b58\u5728\u3002<\/p>\n<p>graphql.ErrorType<\/p>\n<p>\u30a8\u30e9\u30fc\u6642\u306e\u30c7\u30d5\u30a9\u30eb\u30c8\u306eerror\u90e8\u306eextensions\u30a8\u30f3\u30c8\u30ea\u306eclassification\u306b\u5165\u3063\u3066\u3044\u308b<\/p>\n<p>InvalidSyntax, ValidationError, DataFetchingException, NullValueInNonNullableField, OperationNotSupported, ExecutionAborted<\/p>\n<p>&nbsp;<\/p>\n<p>org.springframework.graphql.execution.ErrorType<\/p>\n<p>HTTP\u30ec\u30b9\u30dd\u30f3\u30b9\u306e\u30b9\u30c6\u30fc\u30bf\u30b9\u30b3\u30fc\u30c9\u306b\u5bfe\u5fdc<\/p>\n<p>BAD_REQUEST, UNAUTHORIZED, FORBIDDEN, NOT_FOUND, INTERNAL_ERROR<\/p>\n<p>&nbsp;<\/p>\n<h3>\u6765\u6e90\u5730\u70b9<\/h3>\n<p>SourceLocation\u7c7b\u662f\u7528\u4e8e\u8bbe\u7f6e\u53d1\u751f\u9519\u8bef\u7684\u67e5\u8be2\u7684\u8be6\u7ec6\u4f4d\u7f6e\u7684\u7c7b\u3002\u8be5\u7c7b\u7684\u5b57\u6bb5\u53d8\u91cf\u6709line\u548ccolumn\u3002\u4f5c\u4e3a\u8bb0\u5f55\u65e5\u5fd7\u7684\u7b2c\u4e09\u4e2a\u5b57\u6bb5\u53d8\u91cf\uff0c\u8fd8\u6709sourceName\u3002\u6839\u636e\u60c5\u51b5\u9009\u62e9\u4f7f\u7528\u54ea\u4e2a\u6784\u9020\u51fd\u6570\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nd\">@PublicApi<\/span>\r\n<span class=\"kd\">public<\/span> <span class=\"kd\">class<\/span> <span class=\"nc\">SourceLocation<\/span> <span class=\"kd\">implements<\/span> <span class=\"nc\">Serializable<\/span> <span class=\"o\">{<\/span>\r\n\r\n    <span class=\"kd\">public<\/span> <span class=\"kd\">static<\/span> <span class=\"kd\">final<\/span> <span class=\"nc\">SourceLocation<\/span> <span class=\"no\">EMPTY<\/span> <span class=\"o\">=<\/span> <span class=\"k\">new<\/span> <span class=\"nc\">SourceLocation<\/span><span class=\"o\">(-<\/span><span class=\"mi\">1<\/span><span class=\"o\">,<\/span> <span class=\"o\">-<\/span><span class=\"mi\">1<\/span><span class=\"o\">);<\/span>\r\n\r\n    <span class=\"kd\">private<\/span> <span class=\"kd\">final<\/span> <span class=\"kt\">int<\/span> <span class=\"n\">line<\/span><span class=\"o\">;<\/span>\r\n    <span class=\"kd\">private<\/span> <span class=\"kd\">final<\/span> <span class=\"kt\">int<\/span> <span class=\"n\">column<\/span><span class=\"o\">;<\/span>\r\n    <span class=\"kd\">private<\/span> <span class=\"kd\">final<\/span> <span class=\"nc\">String<\/span> <span class=\"n\">sourceName<\/span><span class=\"o\">;<\/span>\r\n\r\n    <span class=\"kd\">public<\/span> <span class=\"nf\">SourceLocation<\/span><span class=\"o\">(<\/span><span class=\"kt\">int<\/span> <span class=\"n\">line<\/span><span class=\"o\">,<\/span> <span class=\"kt\">int<\/span> <span class=\"n\">column<\/span><span class=\"o\">)<\/span> <span class=\"o\">{<\/span>\r\n        <span class=\"k\">this<\/span><span class=\"o\">(<\/span><span class=\"n\">line<\/span><span class=\"o\">,<\/span> <span class=\"n\">column<\/span><span class=\"o\">,<\/span> <span class=\"kc\">null<\/span><span class=\"o\">);<\/span>\r\n    <span class=\"o\">}<\/span>\r\n\r\n    <span class=\"kd\">public<\/span> <span class=\"nf\">SourceLocation<\/span><span class=\"o\">(<\/span><span class=\"kt\">int<\/span> <span class=\"n\">line<\/span><span class=\"o\">,<\/span> <span class=\"kt\">int<\/span> <span class=\"n\">column<\/span><span class=\"o\">,<\/span> <span class=\"nc\">String<\/span> <span class=\"n\">sourceName<\/span><span class=\"o\">)<\/span> <span class=\"o\">{<\/span>\r\n        <span class=\"k\">this<\/span><span class=\"o\">.<\/span><span class=\"na\">line<\/span> <span class=\"o\">=<\/span> <span class=\"n\">line<\/span><span class=\"o\">;<\/span>\r\n        <span class=\"k\">this<\/span><span class=\"o\">.<\/span><span class=\"na\">column<\/span> <span class=\"o\">=<\/span> <span class=\"n\">column<\/span><span class=\"o\">;<\/span>\r\n        <span class=\"k\">this<\/span><span class=\"o\">.<\/span><span class=\"na\">sourceName<\/span> <span class=\"o\">=<\/span> <span class=\"n\">sourceName<\/span><span class=\"o\">;<\/span>\r\n    <span class=\"o\">}<\/span>\r\n    <span class=\"o\">...<\/span>\r\n<span class=\"o\">}<\/span>\r\n<\/code><\/pre>\n<h2>\u4f7f\u7528 GraphQLExceptionHandler \u8fdb\u884c\u5b9e\u73b0\u3002<\/h2>\n<p>\u5728\u4f7f\u7528REST API\u65f6\uff0c\u53ef\u4ee5\u4f7f\u7528ExceptionHandler\u6765\u5904\u7406\u9519\u8bef\uff0c\u540c\u6837\u5730\uff0c\u5728GraphQL\u4e2d\u4e5f\u53ef\u4ee5\u4f7f\u7528GraphQLExceptionHandler\u6765\u8f7b\u677e\u5904\u7406\u9519\u8bef\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nd\">@ControllerAdvice<\/span>\r\n<span class=\"kd\">public<\/span> <span class=\"kd\">class<\/span> <span class=\"nc\">GraphQLExceptionHandler<\/span> <span class=\"o\">{<\/span>    \r\n    <span class=\"nd\">@GraphQlExceptionHandler<\/span>\r\n    <span class=\"kd\">public<\/span> <span class=\"nc\">GraphQLError<\/span> <span class=\"nf\">exceptionHandle<\/span><span class=\"o\">(<\/span><span class=\"nc\">Exception<\/span> <span class=\"n\">e<\/span><span class=\"o\">)<\/span> <span class=\"o\">{<\/span>\r\n        <span class=\"k\">return<\/span> <span class=\"nc\">GraphQLError<\/span><span class=\"o\">.<\/span><span class=\"na\">newError<\/span><span class=\"o\">().<\/span><span class=\"na\">errorType<\/span><span class=\"o\">(<\/span><span class=\"nc\">ErrorType<\/span><span class=\"o\">.<\/span><span class=\"na\">BAD_REQUEST<\/span><span class=\"o\">).<\/span><span class=\"na\">message<\/span><span class=\"o\">(<\/span><span class=\"n\">e<\/span><span class=\"o\">.<\/span><span class=\"na\">getMessage<\/span><span class=\"o\">()).<\/span><span class=\"na\">build<\/span><span class=\"o\">();<\/span>\r\n    <span class=\"o\">}<\/span>\r\n<span class=\"o\">}<\/span>\r\n<\/code><\/pre>\n<div>\n<p>\u6709\u53e6\u4e00\u79cd\u65b9\u6cd5\u6765\u5b9e\u73b0\u5f02\u5e38\u89e3\u6790\u5e76\u8fdb\u884c\u5904\u7406\uff0c\u8fd9\u5c31\u662f\u5b9e\u73b0\u4f8b\u5916\u89e3\u6790\u5668\u7684\u65b9\u6cd5\u3002\u867d\u7136\u5177\u4f53\u5185\u5bb9\u7565\u6709\u4e0d\u540c\uff0c\u4f46\u53ef\u4ee5\u6309\u4ee5\u4e0b\u6b65\u9aa4\u5b9e\u65bd\u548c\u4f7f\u7528\u3002\u9996\u5148\uff0c\u6211\u4eec\u9700\u8981\u8986\u76d6`resolveToSingleError`\u65b9\u6cd5\u5e76\u8fdb\u884c\u5b9a\u4e49\u3002<\/p>\n<p>CustomExceptionResolver.java<br \/>\n@Component<br \/>\npublic class CustomExceptionResolver extends DataFetcherExceptionResolverAdapter {<br \/>\n@Override<br \/>\nprotected GraphQLError resolveToSingleError(@NonNull Throwable e, @NonNull DataFetchingEnvironment env) {<br \/>\nif (e instanceof RuntimeJsonMappingException) {<br \/>\nreturn GraphQLError.newError().message(e.getMessage()).errorType(ErrorType.FORBIDDEN).build();<br \/>\n}<br \/>\nreturn GraphQLError.newError().message(e.getMessage()).errorType(ErrorType.INTERNAL_ERROR).build();<br \/>\n}<br \/>\n}<\/p>\n<\/div>\n<h2>\u4f7f\u7528\u62e6\u622a\u5668\u8fdb\u884c\u5b9e\u65bd<\/h2>\n<p>\u5728Controller\u3001Service\u548cRepository\u5c42\u53d1\u751f\u7684\u5f02\u5e38\u53ef\u4ee5\u901a\u8fc7GraphQLExceptionHandler\u8fdb\u884c\u9519\u8bef\u5904\u7406\uff0c\u4f46\u5728\u6b64\u4e4b\u524d\u53d1\u751f\u7684\u5f02\u5e38\u65e0\u6cd5\u8fdb\u884c\u9519\u8bef\u5904\u7406\u3002\u4f8b\u5982\uff0c<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d7f24913a08637a6a59e4\/114-0.png\" alt=\"image.png\" \/><\/div>\n<p>\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u65e0\u6cd5\u8fdb\u884c\u9519\u8bef\u5904\u7406\u3002\u8fd9\u79cd\u60c5\u51b5\u4e0b\u4f1a\u8fd4\u56de\u9ed8\u8ba4\u9519\u8bef\u3002\u5982\u679c\u60f3\u8981\u5904\u7406\u8fd9\u79cd\u9519\u8bef\uff0c\u9700\u8981\u5b9e\u73b0\u62e6\u622a\u5668\u3002<\/p>\n<p>\u62e6\u622a\u5668\u7684\u5b9e\u73b0\u6b65\u9aa4\u5982\u4e0b\uff1a<\/p>\n<pre class=\"post-pre\"><code><span class=\"nd\">@Component<\/span>\r\n<span class=\"kd\">public<\/span> <span class=\"kd\">class<\/span> <span class=\"nc\">RequestErrorInterceptor<\/span> <span class=\"kd\">implements<\/span> <span class=\"nc\">WebGraphQlInterceptor<\/span> <span class=\"o\">{<\/span>\r\n\r\n    <span class=\"nd\">@Override<\/span>\r\n    <span class=\"kd\">public<\/span> <span class=\"nd\">@NonNull<\/span> <span class=\"nc\">Mono<\/span><span class=\"o\">&lt;<\/span><span class=\"nc\">WebGraphQlResponse<\/span><span class=\"o\">&gt;<\/span> <span class=\"nf\">intercept<\/span><span class=\"o\">(<\/span><span class=\"nd\">@NonNull<\/span> <span class=\"nc\">WebGraphQlRequest<\/span> <span class=\"n\">request<\/span><span class=\"o\">,<\/span> <span class=\"nc\">Chain<\/span> <span class=\"n\">chain<\/span><span class=\"o\">)<\/span> <span class=\"o\">{<\/span>\r\n        <span class=\"k\">return<\/span> <span class=\"n\">chain<\/span><span class=\"o\">.<\/span><span class=\"na\">next<\/span><span class=\"o\">(<\/span><span class=\"n\">request<\/span><span class=\"o\">).<\/span><span class=\"na\">map<\/span><span class=\"o\">(<\/span><span class=\"n\">response<\/span> <span class=\"o\">-&gt;<\/span> <span class=\"o\">{<\/span>\r\n            <span class=\"k\">if<\/span> <span class=\"o\">(<\/span><span class=\"n\">response<\/span><span class=\"o\">.<\/span><span class=\"na\">isValid<\/span><span class=\"o\">())<\/span>\r\n                <span class=\"k\">return<\/span> <span class=\"n\">response<\/span><span class=\"o\">;<\/span>\r\n\r\n            <span class=\"nc\">List<\/span><span class=\"o\">&lt;<\/span><span class=\"nc\">GraphQLError<\/span><span class=\"o\">&gt;<\/span> <span class=\"n\">errors<\/span> <span class=\"o\">=<\/span> <span class=\"n\">response<\/span><span class=\"o\">.<\/span><span class=\"na\">getErrors<\/span><span class=\"o\">().<\/span><span class=\"na\">stream<\/span><span class=\"o\">()<\/span>\r\n                    <span class=\"o\">.<\/span><span class=\"na\">map<\/span><span class=\"o\">(<\/span><span class=\"n\">error<\/span> <span class=\"o\">-&gt;<\/span> <span class=\"nc\">GraphQLError<\/span><span class=\"o\">.<\/span><span class=\"na\">newError<\/span><span class=\"o\">()<\/span>\r\n                            <span class=\"o\">.<\/span><span class=\"na\">errorType<\/span><span class=\"o\">(<\/span><span class=\"nc\">ErrorType<\/span><span class=\"o\">.<\/span><span class=\"na\">BAD_REQUEST<\/span><span class=\"o\">)<\/span>\r\n                            <span class=\"o\">.<\/span><span class=\"na\">message<\/span><span class=\"o\">(<\/span><span class=\"n\">error<\/span><span class=\"o\">.<\/span><span class=\"na\">getMessage<\/span><span class=\"o\">())<\/span>\r\n                            <span class=\"o\">.<\/span><span class=\"na\">extensions<\/span><span class=\"o\">(<\/span><span class=\"n\">error<\/span><span class=\"o\">.<\/span><span class=\"na\">getExtensions<\/span><span class=\"o\">())<\/span>\r\n                            <span class=\"o\">.<\/span><span class=\"na\">locations<\/span><span class=\"o\">(<\/span><span class=\"n\">error<\/span><span class=\"o\">.<\/span><span class=\"na\">getLocations<\/span><span class=\"o\">())<\/span>\r\n                            <span class=\"o\">.<\/span><span class=\"na\">build<\/span><span class=\"o\">()).<\/span><span class=\"na\">toList<\/span><span class=\"o\">();<\/span>\r\n\r\n            <span class=\"k\">return<\/span> <span class=\"n\">response<\/span><span class=\"o\">.<\/span><span class=\"na\">transform<\/span><span class=\"o\">(<\/span><span class=\"n\">builder<\/span> <span class=\"o\">-&gt;<\/span> <span class=\"n\">builder<\/span><span class=\"o\">.<\/span><span class=\"na\">errors<\/span><span class=\"o\">(<\/span><span class=\"n\">errors<\/span><span class=\"o\">).<\/span><span class=\"na\">build<\/span><span class=\"o\">());<\/span>\r\n        <span class=\"o\">});<\/span>\r\n    <span class=\"o\">}<\/span>\r\n<span class=\"o\">}<\/span>\r\n<\/code><\/pre>\n<p>\u8fd9\u6bb5\u4ee3\u7801\u6267\u884c\u4e86\u4ee5\u4e0b\u64cd\u4f5c\u3002<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\u5982\u679c\u54cd\u5e94\u4e2d\u6ca1\u6709\u9519\u8bef\uff0c\u5c31\u76f4\u63a5\u8fd4\u56de\u3002<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\u5982\u679c\u5b58\u5728\u9519\u8bef\uff0c\u5219\u5c06\u9519\u8bef\u7c7b\u578b\u66f4\u6539\u4e3aBAD_REQUEST\u5e76\u8fd4\u56de\u3002<\/ol>\n<p>\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u5728\u62e6\u622a\u5668\u4e2d\uff0c\u4e0d\u4ec5\u53ef\u4ee5\u5904\u7406\u9519\u8bef\uff0c\u8fd8\u53ef\u4ee5\u5927\u5e45\u5ea6\u6539\u53d8\u54cd\u5e94\u7684\u683c\u5f0f\u3002<\/p>\n<h1>\u603b\u7ed3<\/h1>\n<p>\u6211\u4ecb\u7ecd\u4e86\u5982\u4f55\u5904\u7406\u4f7f\u7528Spring Boot\u5b9e\u73b0\u7684GraphQL\u670d\u52a1\u5668\u7684\u9519\u8bef\u5904\u7406\u65b9\u5f0f\u3002\u5728\u5904\u7406\u65f6\uff0c\u6211\u6839\u636e\u9519\u8bef\u7c7b\u578b\u548c\u9519\u8bef\u53d1\u751f\u7684\u4f4d\u7f6e\u8fdb\u884c\u4e86\u5206\u7c7b\u3002\u603b\u7ed3\u5982\u4e0b\uff1a<\/p>\n<ol>\n<li style=\"list-style-type: 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