{"id":48186,"date":"2023-04-24T21:46:36","date_gmt":"2023-07-21T03:31:50","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e4%bd%bf%e7%94%a8strawberry-django%ef%bc%8c%e8%87%aa%e5%8a%a8%e5%b0%86django%e7%9a%84choices%e8%bd%ac%e5%8c%96%e4%b8%bagraphql%e7%9a%84enum%e3%80%82\/"},"modified":"2024-04-30T01:08:57","modified_gmt":"2024-04-29T17:08:57","slug":"%e4%bd%bf%e7%94%a8strawberry-django%ef%bc%8c%e8%87%aa%e5%8a%a8%e5%b0%86django%e7%9a%84choices%e8%bd%ac%e5%8c%96%e4%b8%bagraphql%e7%9a%84enum%e3%80%82","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e4%bd%bf%e7%94%a8strawberry-django%ef%bc%8c%e8%87%aa%e5%8a%a8%e5%b0%86django%e7%9a%84choices%e8%bd%ac%e5%8c%96%e4%b8%bagraphql%e7%9a%84enum%e3%80%82\/","title":{"rendered":"\u4f7f\u7528Strawberry Django\uff0c\u81ea\u52a8\u5c06Django\u7684Choices\u8f6c\u5316\u4e3aGraphQL\u7684Enum"},"content":{"rendered":"<h2>\u9996\u5148<\/h2>\n<p>\u5728Strawberry Django\u4e2d\uff0c\u521b\u5efa\u4e00\u4e2a\u6dfb\u52a0\u4e86@strawberry.django.type\u88c5\u9970\u5668\u7684\u7c7b\u5c06\u751f\u6210\u5bf9\u5e94\u4e8eDjango\u7684Model\u7684Graphql\u7c7b\u578b\u3002\u5728\u6b64\u8fc7\u7a0b\u4e2d\uff0c\u5982\u679c\u4f7f\u7528auto\u6307\u5b9a\u6bcf\u4e2a\u5b57\u6bb5\u7684\u7c7b\u578b\uff0c\u5219\u4f1a\u81ea\u52a8\u8bbe\u7f6e\u4e0eModel\u5b9a\u4e49\u76f8\u5339\u914d\u7684\u7c7b\u578b\u3002<br \/>\n\u7c7b\u578b\u5b9a\u4e49 &#8211; Strawberry Django<\/p>\n<p>\u672c\u6587\u4ecb\u7ecd\u4e86\u4e00\u4e2a\u540d\u4e3aGENERATE_ENUMS_FROM_CHOICES\u7684\u9009\u9879\uff0c\u5b83\u53ef\u4ee5\u81ea\u52a8\u5c06\u4f7f\u7528Django\u7684Model\u7684choices\u7684\u5b57\u6bb5\u8f6c\u6362\u4e3aGraphQL\u7684Enum\u3002<\/p>\n<h2>\u300cStrawberry Django\u300d\u662f\u4ec0\u4e48\u610f\u601d\uff1f<\/h2>\n<p>Strawberry\u662f\u4e00\u4e2a\u7528Python\u7f16\u5199\u7684GraphQL\u5e93\u3002<br \/>\n\u5b83\u7684Django\u6269\u5c55\u662fStrawberry Django\u3002<br \/>\n\uff08\u4f5c\u4e3a\u5e93\u540d\u79f0\u4e3astrawberry-graphql-django\uff09<\/p>\n<h2>\u4ee3\u7801\u793a\u4f8b (Code example)<\/h2>\n<h3>\u884c\u52a8\u786e\u8ba4\u7248\u672c<\/h3>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">django: 3.2.19<\/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\">strawberry-graphql: 0.194.1<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">strawberry-graphql-django: 0.13.0<\/ul>\n<h3>\u8bbe\u7f6e.py<\/h3>\n<pre class=\"post-pre\"><code><span class=\"n\">STRAWBERRY_DJANGO<\/span> <span class=\"o\">=<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"sh\">\"<\/span><span class=\"s\">GENERATE_ENUMS_FROM_CHOICES<\/span><span class=\"sh\">\"<\/span><span class=\"p\">:<\/span> <span class=\"bp\">True<\/span><span class=\"p\">,<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<h3>models.py -&gt; \u6a21\u578b.py .py)<\/h3>\n<p>\u5728Task\u6a21\u578b\u7684priority\u5b57\u6bb5\u4e0a\u8bbe\u7f6echoices\u53c2\u6570\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">class<\/span> <span class=\"nc\">Task<\/span><span class=\"p\">(<\/span><span class=\"n\">models<\/span><span class=\"p\">.<\/span><span class=\"n\">Model<\/span><span class=\"p\">):<\/span>\r\n    <span class=\"n\">PRIORITY_CHOICES<\/span> <span class=\"o\">=<\/span> <span class=\"p\">[<\/span>\r\n        <span class=\"p\">(<\/span><span class=\"sh\">\"<\/span><span class=\"s\">L<\/span><span class=\"sh\">\"<\/span><span class=\"p\">,<\/span> <span class=\"sh\">\"<\/span><span class=\"s\">LOW<\/span><span class=\"sh\">\"<\/span><span class=\"p\">),<\/span>\r\n        <span class=\"p\">(<\/span><span class=\"sh\">\"<\/span><span class=\"s\">M<\/span><span class=\"sh\">\"<\/span><span class=\"p\">,<\/span> <span class=\"sh\">\"<\/span><span class=\"s\">MEDIUM<\/span><span class=\"sh\">\"<\/span><span class=\"p\">),<\/span>\r\n        <span class=\"p\">(<\/span><span class=\"sh\">\"<\/span><span class=\"s\">H<\/span><span class=\"sh\">\"<\/span><span class=\"p\">,<\/span> <span class=\"sh\">\"<\/span><span class=\"s\">HIGH<\/span><span class=\"sh\">\"<\/span><span class=\"p\">),<\/span>\r\n    <span class=\"p\">]<\/span>\r\n    <span class=\"n\">title<\/span> <span class=\"o\">=<\/span> <span class=\"n\">models<\/span><span class=\"p\">.<\/span><span class=\"nc\">CharField<\/span><span class=\"p\">(<\/span><span class=\"n\">max_length<\/span><span class=\"o\">=<\/span><span class=\"mi\">200<\/span><span class=\"p\">)<\/span>\r\n    <span class=\"n\">priority<\/span> <span class=\"o\">=<\/span> <span class=\"n\">models<\/span><span class=\"p\">.<\/span><span class=\"nc\">CharField<\/span><span class=\"p\">(<\/span>\r\n        <span class=\"n\">max_length<\/span><span class=\"o\">=<\/span><span class=\"mi\">1<\/span><span class=\"p\">,<\/span>\r\n        <span class=\"n\">choices<\/span><span class=\"o\">=<\/span><span class=\"n\">PRIORITY_CHOICES<\/span><span class=\"p\">,<\/span>\r\n        <span class=\"n\">default<\/span><span class=\"o\">=<\/span><span class=\"sh\">\"<\/span><span class=\"s\">M<\/span><span class=\"sh\">\"<\/span><span class=\"p\">,<\/span>\r\n    <span class=\"p\">)<\/span>\r\n<\/code><\/pre>\n<p>\u6216\u8005\uff0c\u8fd8\u53ef\u4ee5\u4f7f\u7528TextChoices\u6765\u5b9e\u73b0\u7c7b\u4f3c\u679a\u4e3e\u7684\u6307\u5b9a\u65b9\u5f0f\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">class<\/span> <span class=\"nc\">PriorityChoices<\/span><span class=\"p\">(<\/span><span class=\"n\">models<\/span><span class=\"p\">.<\/span><span class=\"n\">TextChoices<\/span><span class=\"p\">):<\/span>\r\n    <span class=\"n\">LOW<\/span> <span class=\"o\">=<\/span> <span class=\"sh\">\"<\/span><span class=\"s\">L<\/span><span class=\"sh\">\"<\/span><span class=\"p\">,<\/span> <span class=\"sh\">\"<\/span><span class=\"s\">LOW<\/span><span class=\"sh\">\"<\/span>\r\n    <span class=\"n\">MEDIUM<\/span> <span class=\"o\">=<\/span> <span class=\"sh\">\"<\/span><span class=\"s\">M<\/span><span class=\"sh\">\"<\/span><span class=\"p\">,<\/span> <span class=\"sh\">\"<\/span><span class=\"s\">MEDIUM<\/span><span class=\"sh\">\"<\/span>\r\n    <span class=\"n\">HIGH<\/span> <span class=\"o\">=<\/span> <span class=\"sh\">\"<\/span><span class=\"s\">H<\/span><span class=\"sh\">\"<\/span><span class=\"p\">,<\/span> <span class=\"sh\">\"<\/span><span class=\"s\">HIGH<\/span><span class=\"sh\">\"<\/span>\r\n\r\n<span class=\"k\">class<\/span> <span class=\"nc\">Task<\/span><span class=\"p\">(<\/span><span class=\"n\">models<\/span><span class=\"p\">.<\/span><span class=\"n\">Model<\/span><span class=\"p\">):<\/span>\r\n    <span class=\"n\">title<\/span> <span class=\"o\">=<\/span> <span class=\"n\">models<\/span><span class=\"p\">.<\/span><span class=\"nc\">CharField<\/span><span class=\"p\">(<\/span><span class=\"n\">max_length<\/span><span class=\"o\">=<\/span><span class=\"mi\">200<\/span><span class=\"p\">)<\/span>\r\n    <span class=\"n\">priority<\/span> <span class=\"o\">=<\/span> <span class=\"n\">models<\/span><span class=\"p\">.<\/span><span class=\"nc\">CharField<\/span><span class=\"p\">(<\/span>\r\n        <span class=\"n\">max_length<\/span><span class=\"o\">=<\/span><span class=\"mi\">2<\/span><span class=\"p\">,<\/span>\r\n        <span class=\"n\">choices<\/span><span class=\"o\">=<\/span><span class=\"n\">PriorityChoices<\/span><span class=\"p\">.<\/span><span class=\"n\">choices<\/span><span class=\"p\">,<\/span>\r\n        <span class=\"n\">default<\/span><span class=\"o\">=<\/span><span class=\"n\">PriorityChoices<\/span><span class=\"p\">.<\/span><span class=\"n\">MEDIUM<\/span><span class=\"p\">,<\/span>\r\n    <span class=\"p\">)<\/span>\r\n<\/code><\/pre>\n<h3>\u6a21\u5f0f.py<\/h3>\n<p>\u521b\u5efatasks\u67e5\u8be2\u3002\u4e0d\u521b\u5efa\u81ea\u5b9a\u4e49\u89e3\u6790\u5668\u5904\u7406\uff0c\u53ea\u662f\u7b80\u5355\u83b7\u53d6\u4efb\u52a1\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nd\">@strawberry_django.type<\/span><span class=\"p\">(<\/span><span class=\"n\">Task<\/span><span class=\"p\">)<\/span>\r\n<span class=\"k\">class<\/span> <span class=\"nc\">TaskType<\/span><span class=\"p\">:<\/span>\r\n    <span class=\"n\">title<\/span><span class=\"p\">:<\/span> <span class=\"n\">strawberry<\/span><span class=\"p\">.<\/span><span class=\"n\">auto<\/span>\r\n    <span class=\"n\">priority<\/span><span class=\"p\">:<\/span> <span class=\"n\">strawberry<\/span><span class=\"p\">.<\/span><span class=\"n\">auto<\/span>\r\n\r\n\r\n<span class=\"nd\">@strawberry.type<\/span>\r\n<span class=\"k\">class<\/span> <span class=\"nc\">Query<\/span><span class=\"p\">:<\/span>\r\n    <span class=\"n\">tasks<\/span><span class=\"p\">:<\/span> <span class=\"nb\">list<\/span><span class=\"p\">[<\/span><span class=\"n\">TaskType<\/span><span class=\"p\">]<\/span> <span class=\"o\">=<\/span> <span class=\"n\">strawberry<\/span><span class=\"p\">.<\/span><span class=\"n\">django<\/span><span class=\"p\">.<\/span><span class=\"nf\">field<\/span><span class=\"p\">()<\/span>\r\n\r\n\r\n<span class=\"n\">schema<\/span> <span class=\"o\">=<\/span> <span class=\"n\">strawberry<\/span><span class=\"p\">.<\/span><span class=\"nc\">Schema<\/span><span class=\"p\">(<\/span><span class=\"n\">query<\/span><span class=\"o\">=<\/span><span class=\"n\">Query<\/span><span class=\"p\">,)<\/span>\r\n<\/code><\/pre>\n<h3>\u88ab\u8f93\u51fa\u7684\u6a21\u5f0f<\/h3>\n<p>\u4ee5\u4e0b\u662f\u81ea\u52a8\u751f\u6210\u7684\u679a\u4e3e\u9009\u9879\u3002<br \/>\n\u5728choices\u53c2\u6570\u4e2d\u4f20\u9012\u7684\u6bcf\u4e2a\u5143\u7ec4\u7684\u7b2c\u4e00\u4e2a\u662f\u503c\uff0c\u7b2c\u4e8c\u4e2a\u88ab\u89c6\u4e3a\u5b57\u6bb5\u7684\u63cf\u8ff0\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">enum<\/span> <span class=\"n\">MyappTaskPriorityEnum<\/span> <span class=\"p\">{<\/span>\r\n  <span class=\"err\">\"\"\"<\/span><span class=\"n\">Low<\/span><span class=\"err\">\"\"\"<\/span>\r\n  <span class=\"n\">L<\/span>\r\n\r\n  <span class=\"err\">\"\"\"<\/span><span class=\"n\">Medium<\/span><span class=\"err\">\"\"\"<\/span>\r\n  <span class=\"n\">M<\/span>\r\n\r\n  <span class=\"err\">\"\"\"<\/span><span class=\"n\">High<\/span><span class=\"err\">\"\"\"<\/span>\r\n  <span class=\"n\">H<\/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\">tasks<\/span><span class=\"p\">:<\/span> <span class=\"p\">[<\/span><span class=\"n\">TaskType<\/span><span class=\"p\">!]!<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<span class=\"k\">type<\/span> <span class=\"n\">TaskType<\/span> <span class=\"p\">{<\/span>\r\n  <span class=\"n\">title<\/span><span class=\"p\">:<\/span> <span class=\"nb\">String<\/span><span class=\"p\">!<\/span>\r\n  <span class=\"n\">priority<\/span><span class=\"p\">:<\/span> <span class=\"n\">MyappTaskPriorityEnum<\/span><span class=\"p\">!<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<div>\u5728\u672c\u6b21\u4ee3\u7801\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u5bf9CharField\u6307\u5b9a\u4e86choices\u3002<br \/>\n\u5bf9IntegerField\u6307\u5b9achoices\u5e76\u4f7f\u7528auto\u8fdb\u884c\u8f6c\u6362\u65f6\uff0c\u5e76\u4e0d\u4f1a\u8fdb\u884c\u679a\u4e3e\u8f6c\u6362\uff0c\u800c\u53ea\u662f\u53d8\u6210\u4e86Int\u3002<br \/>\n\u6b64\u5916\uff0c\u5728\u64b0\u5199\u65f6\u7684\u6700\u65b0\u7248\u672c0.14.0\u4e2d\uff0c\u5982\u679c\u4f7f\u7528\u4e86IntegerChoices\u8fdb\u884cchoices\u6307\u5b9a\uff0c\u4f1a\u5f15\u53d1\u9519\u8bef\u3002<br \/>\n\u5728\u5f15\u5165\u5177\u6709\u4f7f\u7528IntegerField\u7684\u5b57\u6bb5\u7684\u9879\u76ee\u4e2d\uff0c\u8bf7\u6ce8\u610f\u8fd9\u4e00\u70b9\u3002<br \/>\n*\u6211\u5df2\u7ecf\u6ce8\u610f\u5230\u8fd9\u4e00\u70b9\u5e76\u63d0\u4ea4\u4e86\u4fee\u6b63\u7684PR\u3002\u6211\u8ba4\u4e3a\u5728\u4e0b\u4e00\u4e2a\u53d1\u5e03\u7248\u672c\u4e4b\u540e\uff0c\u8fd4\u56de\u7684Int\u5c06\u4e0e\u4f7f\u7528\u5143\u7ec4\u8fdb\u884c\u6307\u5b9a\u7684\u7ed3\u679c\u76f8\u540c\u3002<\/div>\n<div>\u5728\u6587\u6863\u4e2d\u63a8\u8350\u5728\u4f7f\u7528TextChoices\u548cIntegerChoices\u65f6\uff0c\u4f7f\u7528django-choices-field\u5e93\u6765\u5b9a\u4e49\u6a21\u578b\u5b57\u6bb5\uff0c\u800c\u4e0d\u662f\u4f7f\u7528GENERATE_ENUMS_FROM_CHOICES\u3002\u8003\u8651\u5f15\u5165\u8fd9\u4e2a\u5e93\u53ef\u80fd\u662f\u4e00\u4e2a\u597d\u9009\u62e9\u3002<br \/>\n\u7136\u800c\uff0c\u76ee\u524ddjango-choices-field\u4ecd\u662f\u4e2a\u4eba\u7684\u4ed3\u5e93\uff0c\u661f\u6570\u4e5f\u8f83\u5c11\uff0c\u4e2a\u4eba\u800c\u8a00\uff0c\u5bf9\u4e8e\u5c06\u5176\u6b63\u5f0f\u6295\u5165\u751f\u4ea7\u73af\u5883\u8fd8\u5b58\u5728\u4e9b\u8bb8\u72b9\u8c6b\u3002<\/div>\n<h2>\u5982\u679c\u4e0d\u4f7f\u7528GENERATE_ENUMS_FROM_CHOICES<\/h2>\n<p>\u9806\u4fbf\u63d0\u4e00\u4e0b\uff0c\u5982\u679c\u4e0d\u60f3\u4f7f\u7528\u6b64\u8bbe\u7f6e\uff0c\u60f3\u8981\u5728\u67b6\u6784\u4e2d\u4f7f\u7528Enum\u6765\u8868\u793achoices\uff0c\u9700\u8981\u81ea\u5df1\u7f16\u5199\u4ee5\u4e0bEnum\u7c7b\u548c\u5176\u751f\u6210\u64cd\u4f5c\u3002 (\u6839\u636e\u9879\u76ee\u53ef\u80fd\u4f1a\u521b\u5efa\u901a\u7528\u8f6c\u6362\u64cd\u4f5c)<\/p>\n<h3>schema.py\u6a21\u5757\u3002<\/h3>\n<pre class=\"post-pre\"><code><span class=\"nd\">@strawberry.enum<\/span>\r\n<span class=\"k\">class<\/span> <span class=\"nc\">PriorityEnum<\/span><span class=\"p\">(<\/span><span class=\"n\">strawberry<\/span><span class=\"p\">.<\/span><span class=\"n\">Enum<\/span><span class=\"p\">):<\/span>\r\n    <span class=\"n\">LOW<\/span> <span class=\"o\">=<\/span> <span class=\"sh\">'<\/span><span class=\"s\">L<\/span><span class=\"sh\">'<\/span>\r\n    <span class=\"n\">MEDIUM<\/span> <span class=\"o\">=<\/span> <span class=\"sh\">'<\/span><span class=\"s\">M<\/span><span class=\"sh\">'<\/span>\r\n    <span class=\"n\">HIGH<\/span> <span class=\"o\">=<\/span> <span class=\"sh\">'<\/span><span class=\"s\">H<\/span><span class=\"sh\">'<\/span>\r\n\r\n<span class=\"nd\">@strawberry.type<\/span>\r\n<span class=\"k\">class<\/span> <span class=\"nc\">TaskType<\/span><span class=\"p\">:<\/span>\r\n    <span class=\"n\">title<\/span><span class=\"p\">:<\/span> <span class=\"nb\">str<\/span>\r\n    <span class=\"n\">description<\/span><span class=\"p\">:<\/span> <span class=\"nb\">str<\/span>\r\n    <span class=\"n\">priority<\/span><span class=\"p\">:<\/span> <span class=\"n\">PriorityEnum<\/span>\r\n\r\n<span class=\"k\">def<\/span> <span class=\"nf\">convert_task<\/span><span class=\"p\">(<\/span><span class=\"n\">task<\/span><span class=\"p\">:<\/span> <span class=\"n\">Task<\/span><span class=\"p\">)<\/span> <span class=\"o\">-&gt;<\/span> <span class=\"n\">TaskType<\/span><span class=\"p\">:<\/span>\r\n  <span class=\"sh\">\"\"\"<\/span><span class=\"s\">TaskType\u3078\u306e\u5909\u63db\u51e6\u7406<\/span><span class=\"sh\">\"\"\"<\/span>\r\n    <span class=\"n\">priority<\/span> <span class=\"o\">=<\/span> <span class=\"n\">task<\/span><span class=\"p\">.<\/span><span class=\"n\">priority<\/span>\r\n    <span class=\"k\">if<\/span> <span class=\"n\">priority<\/span> <span class=\"o\">==<\/span> <span class=\"n\">PriorityChoices<\/span><span class=\"p\">.<\/span><span class=\"n\">LOW<\/span><span class=\"p\">:<\/span>\r\n        <span class=\"n\">converted_priority<\/span> <span class=\"o\">=<\/span> <span class=\"n\">PriorityEnum<\/span><span class=\"p\">.<\/span><span class=\"n\">LOW<\/span>\r\n    <span class=\"k\">elif<\/span> <span class=\"n\">priority<\/span> <span class=\"o\">==<\/span> <span class=\"n\">PriorityChoices<\/span><span class=\"p\">.<\/span><span class=\"n\">MEDIUM<\/span><span class=\"p\">:<\/span>\r\n        <span class=\"n\">converted_priority<\/span> <span class=\"o\">=<\/span> <span class=\"n\">PriorityEnum<\/span><span class=\"p\">.<\/span><span class=\"n\">MEDIUM<\/span>\r\n    <span class=\"k\">elif<\/span> <span class=\"n\">priority<\/span> <span class=\"o\">==<\/span> <span class=\"n\">PriorityChoices<\/span><span class=\"p\">.<\/span><span class=\"n\">HIGH<\/span><span class=\"p\">:<\/span>\r\n        <span class=\"n\">converted_priority<\/span> <span class=\"o\">=<\/span> <span class=\"n\">PriorityEnum<\/span><span class=\"p\">.<\/span><span class=\"n\">HIGH<\/span>\r\n    <span class=\"k\">else<\/span><span class=\"p\">:<\/span>\r\n        <span class=\"n\">converted_priority<\/span> <span class=\"o\">=<\/span> <span class=\"bp\">None<\/span>\r\n\r\n    <span class=\"k\">return<\/span> <span class=\"nc\">TaskType<\/span><span class=\"p\">(<\/span>\r\n        <span class=\"n\">title<\/span><span class=\"o\">=<\/span><span class=\"n\">task<\/span><span class=\"p\">.<\/span><span class=\"n\">title<\/span><span class=\"p\">,<\/span>\r\n        <span class=\"n\">description<\/span><span class=\"o\">=<\/span><span class=\"n\">task<\/span><span class=\"p\">.<\/span><span class=\"n\">description<\/span><span class=\"p\">,<\/span>\r\n        <span class=\"n\">priority<\/span><span class=\"o\">=<\/span><span class=\"n\">converted_priority<\/span><span class=\"p\">,<\/span>\r\n    <span class=\"p\">)<\/span>\r\n<span class=\"k\">class<\/span> <span class=\"nc\">Query<\/span><span class=\"p\">:<\/span>\r\n\r\n    <span class=\"nd\">@strawberry.field<\/span>\r\n    <span class=\"k\">def<\/span> <span class=\"nf\">tasks<\/span><span class=\"p\">(<\/span><span class=\"n\">self<\/span><span class=\"p\">,<\/span> <span class=\"n\">info<\/span><span class=\"p\">)<\/span> <span class=\"o\">-&gt;<\/span> <span class=\"n\">List<\/span><span class=\"p\">[<\/span><span class=\"n\">TaskType<\/span><span class=\"p\">]:<\/span>\r\n        <span class=\"n\">tasks<\/span> <span class=\"o\">=<\/span> <span class=\"n\">Task<\/span><span class=\"p\">.<\/span><span class=\"n\">objects<\/span><span class=\"p\">.<\/span><span class=\"nf\">all<\/span><span class=\"p\">()<\/span>\r\n        <span class=\"k\">return<\/span> <span class=\"p\">[<\/span><span class=\"nf\">convert_task<\/span><span class=\"p\">(<\/span><span class=\"n\">task<\/span><span class=\"p\">)<\/span> <span class=\"k\">for<\/span> <span class=\"n\">task<\/span> <span class=\"ow\">in<\/span> <span class=\"n\">tasks<\/span><span class=\"p\">]<\/span>\r\n<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>\u9996\u5148 \u5728Strawberry Django\u4e2d\uff0c\u521b\u5efa\u4e00\u4e2a\u6dfb\u52a0\u4e86@strawberry.django.type\u88c5\u9970 [&hellip;]<\/p>\n","protected":false},"author":9,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-48186","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>\u4f7f\u7528Strawberry Django\uff0c\u81ea\u52a8\u5c06Django\u7684Choices\u8f6c\u5316\u4e3aGraphQL\u7684Enum - 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\" 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