{"id":47627,"date":"2023-08-24T20:03:20","date_gmt":"2023-12-07T08:38:39","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/graphql-%e8%87%aa%e7%9c%81introspection\/"},"modified":"2024-04-30T19:57:05","modified_gmt":"2024-04-30T11:57:05","slug":"graphql-%e8%87%aa%e7%9c%81introspection","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/graphql-%e8%87%aa%e7%9c%81introspection\/","title":{"rendered":"GraphQL: \u81ea\u7701(introspection)"},"content":{"rendered":"

\u672c\u7bc7\u6587\u7ae0\u662f\u6839\u636e\u5b98\u65b9\u7f51\u7ad9”Introspection”\u63d0\u4f9b\u7684\u4fe1\u606f\uff0c\u5bf9GraphQL\u7684introspection\u673a\u5236\u8fdb\u884c\u7684\u89e3\u91ca\u3002\u8fd9\u7bc7\u6587\u7ae0\u4e0d\u662f\u6587\u6863\u7684\u7ffb\u8bd1\uff0c\u800c\u662f\u7528\u65e5\u8bed\u91cd\u65b0\u89e3\u91ca\u4e86\u539f\u6587\u3002\u6709\u4e00\u4e9b\u7701\u7565\u7684\u90e8\u5206\uff0c\u540c\u65f6\u4e5f\u8865\u5145\u4e86\u4e00\u4e9b\u539f\u6587\u4e2d\u4e0d\u592a\u5bb9\u6613\u7406\u89e3\u7684\u5185\u5bb9\u3002\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0cGraphQL\u5b98\u65b9\u7f51\u7ad9\u7684\u4ee3\u7801\u793a\u4f8b\u662f\u4e00\u4e2a\u4ea4\u4e92\u73af\u5883\uff0c\u4f60\u53ef\u4ee5\u91cd\u65b0\u7f16\u5199\u4ee3\u7801\u5e76\u9a8c\u8bc1\u7ed3\u679c\uff0c\u6b22\u8fce\u5c1d\u8bd5\u4e00\u4e0b\u3002<\/p>\n

\u6709\u65f6\u5019\uff0c\u4e86\u89e3GraphQL\u6a21\u5f0f\u652f\u6301\u7684\u67e5\u8be2\u7c7b\u578b\u662f\u975e\u5e38\u6709\u7528\u7684\u3002\u5728GraphQL\u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u4f7f\u7528\u53cd\u5c04\u673a\u5236\u6765\u83b7\u53d6\u8fd9\u4e9b\u4fe1\u606f\u3002<\/p>\n

\u5728\u300a\u661f\u7403\u5927\u6218\u300b\u7684\u4f8b\u5b50\u4e2d\uff0c\u6587\u4ef6starWarsIntrospection-test.ts\u5305\u542b\u4e86\u8bb8\u591a\u67e5\u8be2\uff0c\u7528\u4e8e\u5c55\u793a\u5185\u7701\u7cfb\u7edf\u3002\u8fd9\u662f\u4e00\u4e2a\u6d4b\u8bd5\u6587\u4ef6\uff0c\u7528\u4e8e\u6267\u884c\u53c2\u8003\u5df2\u5b9e\u73b0\u7684\u5185\u7701\u7cfb\u7edf\u3002<\/p>\n

\u7c7b\u578b\u7cfb\u7edf\u7684\u8bbe\u8ba1\u8005\u4e86\u89e3\u53ef\u4ee5\u4f7f\u7528\u54ea\u4e9b\u7c7b\u578b\u3002\u5373\u4f7f\u6ca1\u6709\u4e86\u89e3\uff0c\u4ed6\u4eec\u53ef\u4ee5\u968f\u65f6\u67e5\u8be2\u6839\u67e5\u8be2\u7c7b\u578b\u7684_ _ schema\u5b57\u6bb5\uff0c\u5e76\u5411GraphQL\u63d0\u95ee\u3002\u90a3\u4e48\uff0c\u8ba9\u6211\u4eec\u95ee\u4e00\u4e0b\u53ef\u4ee5\u4f7f\u7528\u54ea\u4e9b\u7c7b\u578b\u3002<\/p>\n

{<\/span>\r\n\t__schema<\/span> {<\/span>\r\n\t\ttypes<\/span> {<\/span>\r\n\t\t\tname<\/span>\r\n\t\t}<\/span>\r\n\t}<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
{<\/span>\r\n\t\"data\"<\/span>:<\/span> {<\/span>\r\n\t\t\"__schema\"<\/span>:<\/span> {<\/span>\r\n\t\t\t\"types\"<\/span>:<\/span> [<\/span>\r\n\t\t\t\t{<\/span>\r\n\t\t\t\t\t\"name\"<\/span>:<\/span> \"Query\"<\/span>\r\n\t\t\t\t},<\/span>\r\n\t\t\t\t{<\/span>\r\n\t\t\t\t\t\"name\"<\/span>:<\/span> \"String\"<\/span>\r\n\t\t\t\t},<\/span>\r\n\t\t\t\t{<\/span>\r\n\t\t\t\t\t\"name\"<\/span>:<\/span> \"ID\"<\/span>\r\n\t\t\t\t},<\/span>\r\n\t\t\t\t{<\/span>\r\n\t\t\t\t\t\"name\"<\/span>:<\/span> \"Mutation\"<\/span>\r\n\t\t\t\t},<\/span>\r\n\t\t\t\t{<\/span>\r\n\t\t\t\t\t\"name\"<\/span>:<\/span> \"Episode\"<\/span>\r\n\t\t\t\t},<\/span>\r\n\t\t\t\t{<\/span>\r\n\t\t\t\t\t\"name\"<\/span>:<\/span> \"Character\"<\/span>\r\n\t\t\t\t},<\/span>\r\n\t\t\t\t{<\/span>\r\n\t\t\t\t\t\"name\"<\/span>:<\/span> \"Int\"<\/span>\r\n\t\t\t\t},<\/span>\r\n\t\t\t\t{<\/span>\r\n\t\t\t\t\t\"name\"<\/span>:<\/span> \"LengthUnit\"<\/span>\r\n\t\t\t\t},<\/span>\r\n\t\t\t\t{<\/span>\r\n\t\t\t\t\t\"name\"<\/span>:<\/span> \"Human\"<\/span>\r\n\t\t\t\t},<\/span>\r\n\t\t\t\t{<\/span>\r\n\t\t\t\t\t\"name\"<\/span>:<\/span> \"Float\"<\/span>\r\n\t\t\t\t},<\/span>\r\n\t\t\t\t{<\/span>\r\n\t\t\t\t\t\"name\"<\/span>:<\/span> \"Droid\"<\/span>\r\n\t\t\t\t},<\/span>\r\n\t\t\t\t{<\/span>\r\n\t\t\t\t\t\"name\"<\/span>:<\/span> \"FriendsConnection\"<\/span>\r\n\t\t\t\t},<\/span>\r\n\t\t\t\t{<\/span>\r\n\t\t\t\t\t\"name\"<\/span>:<\/span> \"FriendsEdge\"<\/span>\r\n\t\t\t\t},<\/span>\r\n\t\t\t\t{<\/span>\r\n\t\t\t\t\t\"name\"<\/span>:<\/span> \"PageInfo\"<\/span>\r\n\t\t\t\t},<\/span>\r\n\t\t\t\t{<\/span>\r\n\t\t\t\t\t\"name\"<\/span>:<\/span> \"Boolean\"<\/span>\r\n\t\t\t\t},<\/span>\r\n\t\t\t\t{<\/span>\r\n\t\t\t\t\t\"name\"<\/span>:<\/span> \"Review\"<\/span>\r\n\t\t\t\t},<\/span>\r\n\t\t\t\t{<\/span>\r\n\t\t\t\t\t\"name\"<\/span>:<\/span> \"ReviewInput\"<\/span>\r\n\t\t\t\t},<\/span>\r\n\t\t\t\t{<\/span>\r\n\t\t\t\t\t\"name\"<\/span>:<\/span> \"Starship\"<\/span>\r\n\t\t\t\t},<\/span>\r\n\t\t\t\t{<\/span>\r\n\t\t\t\t\t\"name\"<\/span>:<\/span> \"SearchResult\"<\/span>\r\n\t\t\t\t},<\/span>\r\n\t\t\t\t{<\/span>\r\n\t\t\t\t\t\"name\"<\/span>:<\/span> \"__Schema\"<\/span>\r\n\t\t\t\t},<\/span>\r\n\t\t\t\t{<\/span>\r\n\t\t\t\t\t\"name\"<\/span>:<\/span> \"__Type\"<\/span>\r\n\t\t\t\t},<\/span>\r\n\t\t\t\t{<\/span>\r\n\t\t\t\t\t\"name\"<\/span>:<\/span> \"__TypeKind\"<\/span>\r\n\t\t\t\t},<\/span>\r\n\t\t\t\t{<\/span>\r\n\t\t\t\t\t\"name\"<\/span>:<\/span> \"__Field\"<\/span>\r\n\t\t\t\t},<\/span>\r\n\t\t\t\t{<\/span>\r\n\t\t\t\t\t\"name\"<\/span>:<\/span> \"__InputValue\"<\/span>\r\n\t\t\t\t},<\/span>\r\n\t\t\t\t{<\/span>\r\n\t\t\t\t\t\"name\"<\/span>:<\/span> \"__EnumValue\"<\/span>\r\n\t\t\t\t},<\/span>\r\n\t\t\t\t{<\/span>\r\n\t\t\t\t\t\"name\"<\/span>:<\/span> \"__Directive\"<\/span>\r\n\t\t\t\t},<\/span>\r\n\t\t\t\t{<\/span>\r\n\t\t\t\t\t\"name\"<\/span>:<\/span> \"__DirectiveLocation\"<\/span>\r\n\t\t\t\t}<\/span>\r\n\t\t\t]<\/span>\r\n\t\t}<\/span>\r\n\t}<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\u6709\u76f8\u5f53\u6570\u91cf\u7684\u578b\u3002\u6211\u4eec\u5c06\u5176\u5206\u4e3a\u4e09\u7c7b\uff0c\u8fdb\u884c\u8bf4\u660e\u3002<\/p>\n
Query\/Character\/Human\/Episode\/Droid – \u578b\u30b7\u30b9\u30c6\u30e0\u3067\u5b9a\u7fa9\u3055\u308c\u305f\u578b\u3002<\/p>\n
String\/Boolean – \u578b\u30b7\u30b9\u30c6\u30e0\u306b\u5099\u308f\u308b\u7d44\u307f\u8fbc\u307f\u306e\u30b9\u30ab\u30e9\u30fc\u3002<\/p>\n
__Schema\/__Type\/__TypeKind\/__Field\/__InputValue\/__EnumValue\/__Directive – \u5148\u982d\u306e\u3075\u305f\u3064\u306e\u30a2\u30f3\u30c0\u30fc\u30b9\u30b3\u30a2(__)\u306f\u3001\u30a4\u30f3\u30c8\u30ed\u30b9\u30da\u30af\u30b7\u30e7\u30f3\u30b7\u30b9\u30c6\u30e0\u306e\u4e00\u90e8\u3067\u3042\u308b\u3053\u3068\u3092\u8868\u3059\u3002<\/p>\n
\u8ba9\u6211\u4eec\u4ece\u8c03\u67e5\u6709\u54ea\u4e9b\u67e5\u8be2\u5f00\u59cb\u5427\u3002\u5728\u8bbe\u8ba1\u7c7b\u578b\u7cfb\u7edf\u65f6\uff0c\u5df2\u6307\u5b9a\u4e86\u6240\u6709\u67e5\u8be2\u7684\u8d77\u59cb\u7c7b\u578b\u3002\u6211\u4eec\u53ef\u4ee5\u5c1d\u8bd5\u8be2\u95ee\u4e00\u4e0b\u5185\u7701\u7cfb\u7edf\u3002<\/p>\n
{<\/span>\r\n\t__schema<\/span> {<\/span>\r\n\t\tqueryType<\/span> {<\/span>\r\n\t\t\tname<\/span>\r\n\t\t}<\/span>\r\n\t}<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
{<\/span>\r\n\t\"data\"<\/span>:<\/span> {<\/span>\r\n\t\t\"__schema\"<\/span>:<\/span> {<\/span>\r\n\t\t\t\"queryType\"<\/span>:<\/span> {<\/span>\r\n\t\t\t\t\"name\"<\/span>:<\/span> \"Query\"<\/span>\r\n\t\t\t}<\/span>\r\n\t\t}<\/span>\r\n\t}<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\u8fd9\u4e2a\u7ed3\u679c\u4e0e\u4e4b\u524d\u5728\u6587\u7ae0\u300cGraphQL: Schema and Types\u300d\u4e2d\u5173\u4e8e\u7c7b\u578b\u7cfb\u7edf\u7684\u8bb2\u89e3\u4e00\u81f4\uff0c\u6211\u4eec\u63d0\u5230\u4e86Query\u7c7b\u578b\u662f\u5165\u53e3\u70b9\uff08\u8bf7\u53c2\u9605\u300cQuery\u7c7b\u578b\u548cMutation\u7c7b\u578b\u300d\uff09\u3002Query\u7c7b\u578b\u4ec5\u4ec5\u662f\u4e00\u79cd\u60ef\u4f8b\u4e0a\u7684\u547d\u540d\u3002\u4f60\u53ef\u4ee5\u7ed9\u5b83\u53d6\u4efb\u4f55\u5176\u4ed6\u7684\u540d\u5b57\uff0c\u53ea\u8981\u6307\u5b9a\u4e3a\u67e5\u8be2\u7684\u8d77\u59cb\u7c7b\u578b\u5373\u53ef\u8fd4\u56de\u7ed3\u679c\u3002<\/p>\n
\u5728\u7279\u5b9a\u60c5\u51b5\u4e0b\uff0c\u4f60\u53ef\u80fd\u60f3\u8981\u786e\u8ba4\u4e00\u4e9b\u4e8b\u60c5\u3002\u4f8b\u5982\uff0c\u5982\u679c\u662fDroid\u7c7b\u578b\u7684\u60c5\u51b5\u3002<\/p>\n
{<\/span>\r\n\t__type<\/span>(<\/span>name<\/span>:<\/span> \"Droid\"<\/span>)<\/span> {<\/span>\r\n\t\tname<\/span>\r\n\t}<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
{<\/span>\r\n\t\"data\"<\/span>:<\/span> {<\/span>\r\n\t\t\"__type\"<\/span>:<\/span> {<\/span>\r\n\t\t\t\"name\"<\/span>:<\/span> \"Droid\"<\/span>\r\n\t\t}<\/span>\r\n\t}<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\u65e2\u7136\u5728\u67e5\u8be2\u53c2\u6570\u4e2d\u4f20\u9012\u4e86name\uff0c\u90a3\u4e48\u503c\u5c31\u5df2\u7ecf\u77e5\u9053\u4e86\u3002\u5982\u679c\u6709\u5176\u4ed6\u60f3\u77e5\u9053\u7684\u4e8b\u60c5\uff0c\u6bd4\u5982\u60f3\u786e\u8ba4\u662f\u63a5\u53e3\u8fd8\u662f\u5bf9\u8c61\u3002<\/p>\n
{<\/span>\r\n\t__type<\/span>(<\/span>name<\/span>:<\/span> \"Droid\"<\/span>)<\/span> {<\/span>\r\n\t\tname<\/span>\r\n\t\tkind<\/span>\r\n\t}<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
{<\/span>\r\n\t\"data\"<\/span>:<\/span> {<\/span>\r\n\t\t\"__type\"<\/span>:<\/span> {<\/span>\r\n\t\t\t\"name\"<\/span>:<\/span> \"Droid\"<\/span>,<\/span>\r\n\t\t\t\"kind\"<\/span>:<\/span> \"OBJECT\"<\/span>\r\n\t\t}<\/span>\r\n\t}<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
kind\u8fd4\u56deTypeKind\u679a\u4e3e\u7c7b\u578b\u3002OBJECT\u662f\u5176\u503c\u4e4b\u4e00\u3002\u4f46\u5982\u679c\u8be2\u95eeCharacter\uff0c\u5c31\u4f1a\u53d1\u73b0\u5b83\u662f\u4e00\u4e2a\u63a5\u53e3\uff08INTERFACE\uff09\u3002<\/p>\n
{<\/span>\r\n\t__type<\/span>(<\/span>name<\/span>:<\/span> \"Character\"<\/span>)<\/span> {<\/span>\r\n\t\tname<\/span>\r\n\t\tkind<\/span>\r\n\t}<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
{<\/span>\r\n\t\"data\"<\/span>:<\/span> {<\/span>\r\n\t\t\"__type\"<\/span>:<\/span> {<\/span>\r\n\t\t\t\"name\"<\/span>:<\/span> \"Character\"<\/span>,<\/span>\r\n\t\t\t\"kind\"<\/span>:<\/span> \"INTERFACE\"<\/span>\r\n\t\t}<\/span>\r\n\t}<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\u4e86\u89e3\u4e00\u4e2a\u5bf9\u8c61\u5177\u6709\u54ea\u4e9b\u5b57\u6bb5\u5c06\u4f1a\u5f88\u6709\u7528\u3002\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u5185\u7701\u7cfb\u7edf\u8be2\u95ee\u5173\u4e8eDroid\u7684\u4fe1\u606f\u3002<\/p>\n
{<\/span>\r\n\t__type<\/span>(<\/span>name<\/span>:<\/span> \"Droid\"<\/span>)<\/span> {<\/span>\r\n\t\tname<\/span>\r\n\t\tfields<\/span> {<\/span>\r\n\t\t\tname<\/span>\r\n\t\t\ttype<\/span> {<\/span>\r\n\t\t\t\tname<\/span>\r\n\t\t\t\tkind<\/span>\r\n\t\t\t}<\/span>\r\n\t\t}<\/span>\r\n\t}<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
{<\/span>\r\n\t\"data\"<\/span>:<\/span> {<\/span>\r\n\t\t\"__type\"<\/span>:<\/span> {<\/span>\r\n\t\t\t\"name\"<\/span>:<\/span> \"Droid\"<\/span>,<\/span>\r\n\t\t\t\"fields\"<\/span>:<\/span> [<\/span>\r\n\t\t\t\t{<\/span>\r\n\t\t\t\t\t\"name\"<\/span>:<\/span> \"id\"<\/span>,<\/span>\r\n\t\t\t\t\t\"type\"<\/span>:<\/span> {<\/span>\r\n\t\t\t\t\t\t\"name\"<\/span>:<\/span> null<\/span>,<\/span>\r\n\t\t\t\t\t\t\"kind\"<\/span>:<\/span> \"NON_NULL\"<\/span>\r\n\t\t\t\t\t}<\/span>\r\n\t\t\t\t},<\/span>\r\n\t\t\t\t{<\/span>\r\n\t\t\t\t\t\"name\"<\/span>:<\/span> \"name\"<\/span>,<\/span>\r\n\t\t\t\t\t\"type\"<\/span>:<\/span> {<\/span>\r\n\t\t\t\t\t\t\"name\"<\/span>:<\/span> null<\/span>,<\/span>\r\n\t\t\t\t\t\t\"kind\"<\/span>:<\/span> \"NON_NULL\"<\/span>\r\n\t\t\t\t\t}<\/span>\r\n\t\t\t\t},<\/span>\r\n\t\t\t\t{<\/span>\r\n\t\t\t\t\t\"name\"<\/span>:<\/span> \"friends\"<\/span>,<\/span>\r\n\t\t\t\t\t\"type\"<\/span>:<\/span> {<\/span>\r\n\t\t\t\t\t\t\"name\"<\/span>:<\/span> null<\/span>,<\/span>\r\n\t\t\t\t\t\t\"kind\"<\/span>:<\/span> \"LIST\"<\/span>\r\n\t\t\t\t\t}<\/span>\r\n\t\t\t\t},<\/span>\r\n\t\t\t\t{<\/span>\r\n\t\t\t\t\t\"name\"<\/span>:<\/span> \"friendsConnection\"<\/span>,<\/span>\r\n\t\t\t\t\t\"type\"<\/span>:<\/span> {<\/span>\r\n\t\t\t\t\t\t\"name\"<\/span>:<\/span> null<\/span>,<\/span>\r\n\t\t\t\t\t\t\"kind\"<\/span>:<\/span> \"NON_NULL\"<\/span>\r\n\t\t\t\t\t}<\/span>\r\n\t\t\t\t},<\/span>\r\n\t\t\t\t{<\/span>\r\n\t\t\t\t\t\"name\"<\/span>:<\/span> \"appearsIn\"<\/span>,<\/span>\r\n\t\t\t\t\t\"type\"<\/span>:<\/span> {<\/span>\r\n\t\t\t\t\t\t\"name\"<\/span>:<\/span> null<\/span>,<\/span>\r\n\t\t\t\t\t\t\"kind\"<\/span>:<\/span> \"NON_NULL\"<\/span>\r\n\t\t\t\t\t}<\/span>\r\n\t\t\t\t},<\/span>\r\n\t\t\t\t{<\/span>\r\n\t\t\t\t\t\"name\"<\/span>:<\/span> \"primaryFunction\"<\/span>,<\/span>\r\n\t\t\t\t\t\"type\"<\/span>:<\/span> {<\/span>\r\n\t\t\t\t\t\t\"name\"<\/span>:<\/span> \"String\"<\/span>,<\/span>\r\n\t\t\t\t\t\t\"kind\"<\/span>:<\/span> \"SCALAR\"<\/span>\r\n\t\t\t\t\t}<\/span>\r\n\t\t\t\t}<\/span>\r\n\t\t\t]<\/span>\r\n\t\t}<\/span>\r\n\t}<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\u8fd9\u4e9b\u662fDroid\u6240\u89c4\u5b9a\u7684\u5b57\u6bb5\u3002<\/p>\n
ID\u6ca1\u6709\u7c7b\u578b\u540d\u53ef\u80fd\u4f1a\u8ba9\u4eba\u611f\u5230\u5947\u602a\u3002\u8fd9\u662f\u56e0\u4e3a\u5b83\u662f\u4e00\u79cd\u540d\u4e3aNON_NULL\u7684”\u5305\u88c5\u5668”\u7c7b\u578b\u3002\u901a\u8fc7\u67e5\u8be2\u8be5\u5b57\u6bb5\u7684ofType\uff0c\u53ef\u4ee5\u786e\u5b9a\u5b83\u662fID\u7c7b\u578b\uff0c\u5e76\u4e14\u4e0d\u4e3anull\u3002<\/p>\n
\u540c\u6837\u5730\uff0c”friends”\u548c”appearsIn”\u4e5f\u6ca1\u6709\u7c7b\u578b\u540d\u79f0\u3002\u8fd9\u4e9b\u662f\u56e0\u4e3a\u5b83\u4eec\u662fLIST\u5305\u88c5\u5668\u7c7b\u578b\u3002\u901a\u8fc7\u5411\u8fd9\u4e9b\u7c7b\u578b\u67e5\u8be2ofType\uff0c\u53ef\u4ee5\u4e86\u89e3\u6bcf\u4e2a\u5217\u8868\u662f\u4ec0\u4e48\u3002<\/p>\n
{<\/span>\r\n\t__type<\/span>(<\/span>name<\/span>:<\/span> \"Droid\"<\/span>)<\/span> {<\/span>\r\n\t\tname<\/span>\r\n\t\tfields<\/span> {<\/span>\r\n\t\t\tname<\/span>\r\n\t\t\ttype<\/span> {<\/span>\r\n\t\t\t\tname<\/span>\r\n\t\t\t\tkind<\/span>\r\n\t\t\t\tofType<\/span> {<\/span>\r\n\t\t\t\t\tname<\/span>\r\n\t\t\t\t\tkind<\/span>\r\n\t\t\t\t}<\/span>\r\n\t\t\t}<\/span>\r\n\t\t}<\/span>\r\n\t}<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
{<\/span>\r\n\t\"data\"<\/span>:<\/span> {<\/span>\r\n\t\t\"__type\"<\/span>:<\/span> {<\/span>\r\n\t\t\t\"name\"<\/span>:<\/span> \"Droid\"<\/span>,<\/span>\r\n\t\t\t\"fields\"<\/span>:<\/span> [<\/span>\r\n\t\t\t\t{<\/span>\r\n\t\t\t\t\t\"name\"<\/span>:<\/span> \"id\"<\/span>,<\/span>\r\n\t\t\t\t\t\"type\"<\/span>:<\/span> {<\/span>\r\n\t\t\t\t\t\t\"name\"<\/span>:<\/span> null<\/span>,<\/span>\r\n\t\t\t\t\t\t\"kind\"<\/span>:<\/span> \"NON_NULL\"<\/span>,<\/span>\r\n\t\t\t\t\t\t\"ofType\"<\/span>:<\/span> {<\/span>\r\n\t\t\t\t\t\t\t\"name\"<\/span>:<\/span> \"ID\"<\/span>,<\/span>\r\n\t\t\t\t\t\t\t\"kind\"<\/span>:<\/span> \"SCALAR\"<\/span>\r\n\t\t\t\t\t\t}<\/span>\r\n\t\t\t\t\t}<\/span>\r\n\t\t\t\t},<\/span>\r\n\t\t\t\t{<\/span>\r\n\t\t\t\t\t\"name\"<\/span>:<\/span> \"name\"<\/span>,<\/span>\r\n\t\t\t\t\t\"type\"<\/span>:<\/span> {<\/span>\r\n\t\t\t\t\t\t\"name\"<\/span>:<\/span> null<\/span>,<\/span>\r\n\t\t\t\t\t\t\"kind\"<\/span>:<\/span> \"NON_NULL\"<\/span>,<\/span>\r\n\t\t\t\t\t\t\"ofType\"<\/span>:<\/span> {<\/span>\r\n\t\t\t\t\t\t\t\"name\"<\/span>:<\/span> \"String\"<\/span>,<\/span>\r\n\t\t\t\t\t\t\t\"kind\"<\/span>:<\/span> \"SCALAR\"<\/span>\r\n\t\t\t\t\t\t}<\/span>\r\n\t\t\t\t\t}<\/span>\r\n\t\t\t\t},<\/span>\r\n\t\t\t\t{<\/span>\r\n\t\t\t\t\t\"name\"<\/span>:<\/span> \"friends\"<\/span>,<\/span>\r\n\t\t\t\t\t\"type\"<\/span>:<\/span> {<\/span>\r\n\t\t\t\t\t\t\"name\"<\/span>:<\/span> null<\/span>,<\/span>\r\n\t\t\t\t\t\t\"kind\"<\/span>:<\/span> \"LIST\"<\/span>,<\/span>\r\n\t\t\t\t\t\t\"ofType\"<\/span>:<\/span> {<\/span>\r\n\t\t\t\t\t\t\t\"name\"<\/span>:<\/span> \"Character\"<\/span>,<\/span>\r\n\t\t\t\t\t\t\t\"kind\"<\/span>:<\/span> \"INTERFACE\"<\/span>\r\n\t\t\t\t\t\t}<\/span>\r\n\t\t\t\t\t}<\/span>\r\n\t\t\t\t},<\/span>\r\n\t\t\t\t{<\/span>\r\n\t\t\t\t\t\"name\"<\/span>:<\/span> \"friendsConnection\"<\/span>,<\/span>\r\n\t\t\t\t\t\"type\"<\/span>:<\/span> {<\/span>\r\n\t\t\t\t\t\t\"name\"<\/span>:<\/span> null<\/span>,<\/span>\r\n\t\t\t\t\t\t\"kind\"<\/span>:<\/span> \"NON_NULL\"<\/span>,<\/span>\r\n\t\t\t\t\t\t\"ofType\"<\/span>:<\/span> {<\/span>\r\n\t\t\t\t\t\t\t\"name\"<\/span>:<\/span> \"FriendsConnection\"<\/span>,<\/span>\r\n\t\t\t\t\t\t\t\"kind\"<\/span>:<\/span> \"OBJECT\"<\/span>\r\n\t\t\t\t\t\t}<\/span>\r\n\t\t\t\t\t}<\/span>\r\n\t\t\t\t},<\/span>\r\n\t\t\t\t{<\/span>\r\n\t\t\t\t\t\"name\"<\/span>:<\/span> \"appearsIn\"<\/span>,<\/span>\r\n\t\t\t\t\t\"type\"<\/span>:<\/span> {<\/span>\r\n\t\t\t\t\t\t\"name\"<\/span>:<\/span> null<\/span>,<\/span>\r\n\t\t\t\t\t\t\"kind\"<\/span>:<\/span> \"NON_NULL\"<\/span>,<\/span>\r\n\t\t\t\t\t\t\"ofType\"<\/span>:<\/span> {<\/span>\r\n\t\t\t\t\t\t\t\"name\"<\/span>:<\/span> null<\/span>,<\/span>\r\n\t\t\t\t\t\t\t\"kind\"<\/span>:<\/span> \"LIST\"<\/span>\r\n\t\t\t\t\t\t}<\/span>\r\n\t\t\t\t\t}<\/span>\r\n\t\t\t\t},<\/span>\r\n\t\t\t\t{<\/span>\r\n\t\t\t\t\t\"name\"<\/span>:<\/span> \"primaryFunction\"<\/span>,<\/span>\r\n\t\t\t\t\t\"type\"<\/span>:<\/span> {<\/span>\r\n\t\t\t\t\t\t\"name\"<\/span>:<\/span> \"String\"<\/span>,<\/span>\r\n\t\t\t\t\t\t\"kind\"<\/span>:<\/span> \"SCALAR\"<\/span>,<\/span>\r\n\t\t\t\t\t\t\"ofType\"<\/span>:<\/span> null<\/span>\r\n\t\t\t\t\t}<\/span>\r\n\t\t\t\t}<\/span>\r\n\t\t\t]<\/span>\r\n\t\t}<\/span>\r\n\t}<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\u6700\u540e\uff0c\u8ba9\u6211\u4eec\u4ecb\u7ecd\u4e00\u4e0b\u7279\u522b\u6709\u7528\u7684\u53cd\u7701\u529f\u80fd\u4f5c\u4e3a\u5de5\u5177\u3002\u8fd9\u662f\u5411\u7cfb\u7edf\u8bf7\u6c42\u6587\u6863\u3002<\/p>\n
{<\/span>\r\n\t__type<\/span>(<\/span>name<\/span>:<\/span> \"Droid\"<\/span>)<\/span> {<\/span>\r\n\t\tname<\/span>\r\n\t\tdescription<\/span>\r\n\t}<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
{<\/span>\r\n\t\"data\"<\/span>:<\/span> {<\/span>\r\n\t\t\"__type\"<\/span>:<\/span> {<\/span>\r\n\t\t\t\"name\"<\/span>:<\/span> \"Droid\"<\/span>,<\/span>\r\n\t\t\t\"description\"<\/span>:<\/span> null<\/span>\r\n\t\t}<\/span>\r\n\t}<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\u4f7f\u7528\u5185\u7701\u6280\u672f\uff0c\u53ef\u4ee5\u53c2\u8003\u6709\u5173\u7c7b\u578b\u7cfb\u7edf\u7684\u6587\u4ef6\u3002\u8fd8\u53ef\u4ee5\u521b\u5efa\u6587\u6863\u6d4f\u89c8\u5668\u548c\u4e30\u5bcc\u7684\u96c6\u6210\u5f00\u53d1\u73af\u5883\u3002<\/p>\n
\u516c\u5f0f\u7f51\u7ad9\u8fd9\u6837\u89e3\u91ca\uff0c\u4f46\u5173\u952e\u7684\u4ee3\u7801\u793a\u4f8b\u7ed3\u679c\u662f\u7a7a\u7684\u3002\u8fd9\u53ef\u80fd\u662f\u56e0\u4e3a\u672a\u5b9a\u4e49\u4e86\u63cf\u8ff0\u3002\u6839\u636e\u201cGraphQL\u201d\u89c4\u8303\u7684\u201cSchema Introspection\u201d\uff0c\u53ef\u4ee5\u901a\u8fc7\u67e5\u8be2\u64cd\u4f5c\u7684\u6839\u7c7b\u578b\u5f15\u7528\u6a21\u5f0f\u5185\u7701\u7cfb\u7edf\uff0c\u5176\u4e2d\u5305\u542b\u4e86\u4e24\u4e2a\u5143\u5b57\u6bb5\uff0c\u90fd\u5177\u6709\u540d\u4e3a\u63cf\u8ff0\uff08description\uff09\u7684\u5b57\u7b26\u4e32\u5b57\u6bb5\u3002\u5173\u4e8e\u6587\u6863\u7f16\u5199\u65b9\u5f0f\uff0c\u8bf7\u9605\u8bfb\u201cDescriptions\u201d\uff08\u8bf7\u53c2\u8003Apollo GraphQL Docs\u7684\u201cDescriptions\uff08\u6587\u6863\u5b57\u7b26\u4e32\uff09\u201d\uff09\u3002<\/p>\n
__<\/span>schema<\/span>:<\/span> __Schema<\/span>!<\/span>\r\n__type<\/span>(<\/span>name<\/span>:<\/span> String<\/span>!)<\/span>:<\/span> __Type<\/span>\r\n<\/code><\/pre>\n
\u6211\u7b80\u8981\u4ecb\u7ecd\u4e86\u81ea\u7701\u7cfb\u7edf\u3002\u901a\u8fc7\u4f7f\u7528\u6b64\u7cfb\u7edf\uff0c\u53ef\u4ee5\u67e5\u8be2\u679a\u4e3e\u7c7b\u578b\u7684\u503c\u4ee5\u53ca\u67d0\u4e2a\u7c7b\u578b\u5b9e\u73b0\u4e86\u54ea\u4e9b\u63a5\u53e3\u3002\u6b64\u5916\uff0c\u81ea\u7701\u7cfb\u7edf\u672c\u8eab\u4e5f\u53ef\u4ee5\u88ab\u81ea\u7701\u3002\u540c\u65f6\uff0cgraphql-js\/src\/type\/introspection.ts\u662f\u5b9e\u73b0\u7b26\u5408\u89c4\u8303\u7684GraphQL\u67e5\u8be2\u81ea\u7701\u7cfb\u7edf\u7684\u4ee3\u7801\u3002<\/p>\n
GraphQL\u7cfb\u5217\u7684\u57fa\u7840<\/h3>\n
\u300cGraphQL: \u67e5\u8be2\u548c\u53d8\u66f4\u300d
\n\u300cGraphQL: \u67b6\u6784\u548c\u7c7b\u578b\u300d
\n\u300cGraphQL: \u9a8c\u8bc1\u300d
\n\u300cGraphQL: \u6267\u884c\u300d
\n\u300cGraphQL: \u5185\u7701\u300d<\/p>\n","protected":false},"excerpt":{"rendered":"
\u672c\u7bc7\u6587\u7ae0\u662f\u6839\u636e\u5b98\u65b9\u7f51\u7ad9”Introspection”\u63d0\u4f9b\u7684\u4fe1\u606f\uff0c\u5bf9GraphQL\u7684in […]<\/p>\n","protected":false},"author":10,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-47627","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"\nGraphQL: \u81ea\u7701(introspection) - 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\/graphql-\u81ea\u7701introspection\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"GraphQL: \u81ea\u7701(introspection)\" \/>\n<meta property=\"og:description\" content=\"\u672c\u7bc7\u6587\u7ae0\u662f\u6839\u636e\u5b98\u65b9\u7f51\u7ad9”Introspection”\u63d0\u4f9b\u7684\u4fe1\u606f\uff0c\u5bf9GraphQL\u7684in […]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/zh\/blog\/graphql-\u81ea\u7701introspection\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - 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