{"id":38606,"date":"2023-12-25T12:47:25","date_gmt":"2023-07-18T23:03:08","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e4%bd%bf%e7%94%a8react-native%e6%97%b6%ef%bc%8c%e4%bd%bf%e7%94%a8realm%e3%80%82\/"},"modified":"2024-05-04T15:19:09","modified_gmt":"2024-05-04T07:19:09","slug":"%e4%bd%bf%e7%94%a8react-native%e6%97%b6%ef%bc%8c%e4%bd%bf%e7%94%a8realm%e3%80%82","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e4%bd%bf%e7%94%a8react-native%e6%97%b6%ef%bc%8c%e4%bd%bf%e7%94%a8realm%e3%80%82\/","title":{"rendered":"\u4f7f\u7528React Native\u65f6\uff0c\u4f7f\u7528Realm"},"content":{"rendered":"

\u5728React Native\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528Realm\u4f5c\u4e3a\u4e00\u79cd\u6301\u4e45\u5316\u6570\u636e\u7684\u4fdd\u5b58\u65b9\u6cd5\u3002\u5728\u79fb\u52a8\u5e94\u7528\u4e2d\uff0cSQLite\u53ef\u80fd\u662f\u4e3b\u6d41\u9009\u62e9\uff0c\u4f46\u662f\u5728React Native\u4e2d\uff0c\u6211\u4eec\u9009\u62e9\u4e86Realm\uff0c\u56e0\u4e3aReact Native\u4e2d\u7684SQLite\u5e93\u4e0d\u662f\u5f88\u7406\u60f3\u3002<\/p>\n

\u5b89\u88c5<\/h2>\n
yarn add realm @realm\/react react-native-get-random-values\r\n<\/code><\/pre>\n
yarn add --dev @realm\/babel-plugin\r\n<\/code><\/pre>\n
babel\u8bbe\u7f6e<\/h2>\n
module<\/span>.<\/span>exports<\/span> =<\/span> {<\/span>\r\n  presets<\/span>:<\/span> [<\/span>'<\/span>module:metro-react-native-babel-preset<\/span>'<\/span>],<\/span>\r\n  plugins<\/span>:<\/span> [<\/span>'<\/span>@realm\/babel-plugin<\/span>'<\/span>],<\/span>\r\n};<\/span>\r\n<\/code><\/pre>\n
\u6a21\u578b\u7684\u5b9e\u73b0<\/h2>\n
import<\/span> {<\/span>Realm<\/span>}<\/span> from<\/span> '<\/span>@realm\/react<\/span>'<\/span>;<\/span>\r\n\r\nexport<\/span> class<\/span> Task<\/span> extends<\/span> Realm<\/span>.<\/span>Object<\/span><<\/span>Task<\/span>><\/span> {<\/span>\r\n  _id<\/span>:<\/span> Realm<\/span>.<\/span>BSON<\/span>.<\/span>ObjectId<\/span> =<\/span> new<\/span> Realm<\/span>.<\/span>BSON<\/span>.<\/span>ObjectId<\/span>();<\/span>\r\n  description<\/span>!<\/span>:<\/span> string<\/span>;<\/span>\r\n  isComplete<\/span>:<\/span> boolean<\/span> =<\/span> false<\/span>;<\/span>\r\n  createdAt<\/span>:<\/span> Date<\/span> =<\/span> new<\/span> Date<\/span>();<\/span>\r\n  userId<\/span>!<\/span>:<\/span> string<\/span>;<\/span>\r\n\r\n  static<\/span> primaryKey<\/span> =<\/span> '<\/span>_id<\/span>'<\/span>;<\/span>\r\n\r\n  constructor<\/span>(<\/span>realm<\/span>:<\/span> Realm<\/span>,<\/span> description<\/span>:<\/span> string<\/span>,<\/span> userId<\/span>?:<\/span> string<\/span>)<\/span> {<\/span>\r\n    super<\/span>(<\/span>realm<\/span>,<\/span> {<\/span>description<\/span>,<\/span> userId<\/span>:<\/span> userId<\/span> ||<\/span> '<\/span>_SYNC_DISABLED_<\/span>'<\/span>});<\/span>\r\n  }<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
import<\/span> {<\/span>createRealmContext<\/span>}<\/span> from<\/span> '<\/span>@realm\/react<\/span>'<\/span>;<\/span>\r\nimport<\/span> {<\/span>Task<\/span>}<\/span> from<\/span> '<\/span>.\/Task<\/span>'<\/span>;<\/span>\r\n\r\nexport<\/span> const<\/span> TaskRealmContext<\/span> =<\/span> createRealmContext<\/span>({<\/span>\r\n  schema<\/span>:<\/span> [<\/span>Task<\/span>],<\/span>\r\n});<\/span>\r\n<\/code><\/pre>\n
\u5c06\u6a21\u578b\u4f20\u9012\u7ed9createRealmContext\u7684schema\u3002<\/p>\n
\u4f7f\u7528\u5b9e\u9645\u7684\u60c5\u51b5<\/h2>\n
\u6211\u5c06\u628aRealmProvider\u5305\u56f4\u8d77\u6765\u3002<\/p>\n
import<\/span> React<\/span> from<\/span> '<\/span>react<\/span>'<\/span>;<\/span>\r\nimport<\/span> {<\/span>SafeAreaView<\/span>,<\/span> useColorScheme<\/span>}<\/span> from<\/span> '<\/span>react-native<\/span>'<\/span>;<\/span>\r\n\r\nimport<\/span> {<\/span>Colors<\/span>}<\/span> from<\/span> '<\/span>react-native\/Libraries\/NewAppScreen<\/span>'<\/span>;<\/span>\r\nimport<\/span> {<\/span>TaskRealmContext<\/span>}<\/span> from<\/span> '<\/span>.\/models<\/span>'<\/span>;<\/span>\r\nimport<\/span> Home<\/span> from<\/span> '<\/span>.\/Home<\/span>'<\/span>;<\/span>\r\n\r\nfunction<\/span> App<\/span>():<\/span> JSX<\/span>.<\/span>Element<\/span> {<\/span>\r\n  const<\/span> isDarkMode<\/span> =<\/span> useColorScheme<\/span>()<\/span> ===<\/span> '<\/span>dark<\/span>'<\/span>;<\/span>\r\n  const<\/span> {<\/span>RealmProvider<\/span>}<\/span> =<\/span> TaskRealmContext<\/span>;<\/span>\r\n\r\n  const<\/span> backgroundStyle<\/span> =<\/span> {<\/span>\r\n    backgroundColor<\/span>:<\/span> isDarkMode<\/span> ?<\/span> Colors<\/span>.<\/span>darker<\/span> :<\/span> Colors<\/span>.<\/span>lighter<\/span>,<\/span>\r\n  };<\/span>\r\n\r\n  return <\/span>(<\/span>\r\n    <<\/span>SafeAreaView<\/span> style<\/span>=<\/span>{<\/span>backgroundStyle<\/span>}<\/span>><\/span>\r\n      <<\/span>RealmProvider<\/span>><\/span>\r\n        <<\/span>Home<\/span> \/><\/span>\r\n      <<\/span>\/RealmProvider<\/span>>\r\n<\/span>    <<\/span>\/SafeAreaView<\/span>>\r\n<\/span>  );<\/span>\r\n}<\/span>\r\n\r\nexport<\/span> default<\/span> App<\/span>;<\/span>\r\n<\/code><\/pre>\n
    \u66f8\u304d\u8fbc\u307f\u51e6\u7406<\/ul>\n
    const<\/span> {<\/span>useRealm<\/span>}<\/span> =<\/span> TaskRealmContext<\/span>;<\/span>\r\n\r\nfunction<\/span> Home<\/span>():<\/span> JSX<\/span>.<\/span>Element<\/span> {<\/span>\r\n  const<\/span> realm<\/span> =<\/span> useRealm<\/span>();<\/span>\r\n\r\n  return <\/span>(<\/span>\r\n    <<\/span>View<\/span>><\/span>\r\n      <<\/span>Button<\/span>\r\n        onPress<\/span>=<\/span>{()<\/span> =><\/span> {<\/span>\r\n          realm<\/span>.<\/span>write<\/span>(()<\/span> =><\/span> {<\/span>\r\n            return<\/span> new<\/span> Task<\/span>(<\/span>realm<\/span>,<\/span> '<\/span>test<\/span>'<\/span>);<\/span>\r\n          });<\/span>\r\n        }}<\/span>\r\n        title<\/span>=<\/span>\"<\/span>Add<\/span>\"<\/span>\r\n      \/><\/span>\r\n    <<\/span>\/View<\/span>>\r\n<\/span>  );<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
    realm<\/span>.<\/span>write<\/span>(()<\/span> =><\/span> {<\/span>\r\n  return<\/span> new<\/span> Task<\/span>(<\/span>realm<\/span>,<\/span> '<\/span>test<\/span>'<\/span>);<\/span>\r\n});<\/span>\r\n<\/code><\/pre>\n
    \u4f60\u53ef\u4ee5\u5728\u8fd9\u91cc\u5c06\u6570\u636e\u5199\u5165realm\u3002
    \n\u56e0\u4e3arealm\u53ef\u4ee5\u76f4\u63a5\u5199\u5165\u6a21\u578b\uff0c\u6240\u4ee5\u6211\u8ba4\u4e3a\u5b9e\u73b0\u8d77\u6765\u5f88\u7b80\u5355\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
    \u5728React Native\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528Realm\u4f5c\u4e3a\u4e00\u79cd\u6301\u4e45\u5316\u6570\u636e\u7684\u4fdd\u5b58\u65b9\u6cd5\u3002\u5728\u79fb\u52a8\u5e94\u7528\u4e2d\uff0cSQLite\u53ef\u80fd\u662f […]<\/p>\n","protected":false},"author":6,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-38606","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"\n\u4f7f\u7528React Native\u65f6\uff0c\u4f7f\u7528Realm - 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\/\u4f7f\u7528react-native\u65f6\uff0c\u4f7f\u7528realm\u3002\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u4f7f\u7528React Native\u65f6\uff0c\u4f7f\u7528Realm\" \/>\n<meta property=\"og:description\" content=\"\u5728React Native\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528Realm\u4f5c\u4e3a\u4e00\u79cd\u6301\u4e45\u5316\u6570\u636e\u7684\u4fdd\u5b58\u65b9\u6cd5\u3002\u5728\u79fb\u52a8\u5e94\u7528\u4e2d\uff0cSQLite\u53ef\u80fd\u662f […]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/zh\/blog\/\u4f7f\u7528react-native\u65f6\uff0c\u4f7f\u7528realm\u3002\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - Silicon Cloud\" \/>\n<meta property=\"article:published_time\" content=\"2023-07-18T23:03:08+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-05-04T07:19:09+00:00\" \/>\n<meta name=\"author\" content=\"\u6587, \u7fd4\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u4f5c\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"\u6587, \u7fd4\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 \u5206\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/%e4%bd%bf%e7%94%a8react-native%e6%97%b6%ef%bc%8c%e4%bd%bf%e7%94%a8realm%e3%80%82\/\",\"url\":\"https:\/\/www.silicloud.com\/zh\/blog\/%e4%bd%bf%e7%94%a8react-native%e6%97%b6%ef%bc%8c%e4%bd%bf%e7%94%a8realm%e3%80%82\/\",\"name\":\"\u4f7f\u7528React Native\u65f6\uff0c\u4f7f\u7528Realm - Blog - Silicon Cloud\",\"isPartOf\":{\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/#website\"},\"datePublished\":\"2023-07-18T23:03:08+00:00\",\"dateModified\":\"2024-05-04T07:19:09+00:00\",\"author\":{\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/#\/schema\/person\/64d5cc7727fffbff2f9a2a8da1de3e5c\"},\"breadcrumb\":{\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/%e4%bd%bf%e7%94%a8react-native%e6%97%b6%ef%bc%8c%e4%bd%bf%e7%94%a8realm%e3%80%82\/#breadcrumb\"},\"inLanguage\":\"zh-Hans\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.silicloud.com\/zh\/blog\/%e4%bd%bf%e7%94%a8react-native%e6%97%b6%ef%bc%8c%e4%bd%bf%e7%94%a8realm%e3%80%82\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/%e4%bd%bf%e7%94%a8react-native%e6%97%b6%ef%bc%8c%e4%bd%bf%e7%94%a8realm%e3%80%82\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"\u9996\u9875\",\"item\":\"https:\/\/www.silicloud.com\/zh\/blog\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"\u4f7f\u7528React Native\u65f6\uff0c\u4f7f\u7528Realm\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/#website\",\"url\":\"https:\/\/www.silicloud.com\/zh\/blog\/\",\"name\":\"Blog - Silicon Cloud\",\"description\":\"\",\"inLanguage\":\"zh-Hans\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/#\/schema\/person\/64d5cc7727fffbff2f9a2a8da1de3e5c\",\"name\":\"\u6587, \u7fd4\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"zh-Hans\",\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/920c3d673e0bccacc98e5e6b7149bb3c22edd8d39cb753e5d7d7e471498118a1?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/920c3d673e0bccacc98e5e6b7149bb3c22edd8d39cb753e5d7d7e471498118a1?s=96&d=mm&r=g\",\"caption\":\"\u6587, \u7fd4\"},\"url\":\"https:\/\/www.silicloud.com\/zh\/blog\/author\/wenxiang\/\"},{\"@type\":\"ImageObject\",\"inLanguage\":\"zh-Hans\",\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/%e4%bd%bf%e7%94%a8react-native%e6%97%b6%ef%bc%8c%e4%bd%bf%e7%94%a8realm%e3%80%82\/#local-main-organization-logo\",\"url\":\"\",\"contentUrl\":\"\",\"caption\":\"Blog - Silicon Cloud\"}]}<\/script>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"\u4f7f\u7528React Native\u65f6\uff0c\u4f7f\u7528Realm - Blog - Silicon Cloud","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.silicloud.com\/zh\/blog\/\u4f7f\u7528react-native\u65f6\uff0c\u4f7f\u7528realm\u3002\/","og_locale":"zh_CN","og_type":"article","og_title":"\u4f7f\u7528React Native\u65f6\uff0c\u4f7f\u7528Realm","og_description":"\u5728React Native\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528Realm\u4f5c\u4e3a\u4e00\u79cd\u6301\u4e45\u5316\u6570\u636e\u7684\u4fdd\u5b58\u65b9\u6cd5\u3002\u5728\u79fb\u52a8\u5e94\u7528\u4e2d\uff0cSQLite\u53ef\u80fd\u662f […]","og_url":"https:\/\/www.silicloud.com\/zh\/blog\/\u4f7f\u7528react-native\u65f6\uff0c\u4f7f\u7528realm\u3002\/","og_site_name":"Blog - Silicon Cloud","article_published_time":"2023-07-18T23:03:08+00:00","article_modified_time":"2024-05-04T07:19:09+00:00","author":"\u6587, \u7fd4","twitter_card":"summary_large_image","twitter_misc":{"\u4f5c\u8005":"\u6587, \u7fd4","\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4":"1 \u5206"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/www.silicloud.com\/zh\/blog\/%e4%bd%bf%e7%94%a8react-native%e6%97%b6%ef%bc%8c%e4%bd%bf%e7%94%a8realm%e3%80%82\/","url":"https:\/\/www.silicloud.com\/zh\/blog\/%e4%bd%bf%e7%94%a8react-native%e6%97%b6%ef%bc%8c%e4%bd%bf%e7%94%a8realm%e3%80%82\/","name":"\u4f7f\u7528React Native\u65f6\uff0c\u4f7f\u7528Realm - Blog - Silicon Cloud","isPartOf":{"@id":"https:\/\/www.silicloud.com\/zh\/blog\/#website"},"datePublished":"2023-07-18T23:03:08+00:00","dateModified":"2024-05-04T07:19:09+00:00","author":{"@id":"https:\/\/www.silicloud.com\/zh\/blog\/#\/schema\/person\/64d5cc7727fffbff2f9a2a8da1de3e5c"},"breadcrumb":{"@id":"https:\/\/www.silicloud.com\/zh\/blog\/%e4%bd%bf%e7%94%a8react-native%e6%97%b6%ef%bc%8c%e4%bd%bf%e7%94%a8realm%e3%80%82\/#breadcrumb"},"inLanguage":"zh-Hans","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.silicloud.com\/zh\/blog\/%e4%bd%bf%e7%94%a8react-native%e6%97%b6%ef%bc%8c%e4%bd%bf%e7%94%a8realm%e3%80%82\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/www.silicloud.com\/zh\/blog\/%e4%bd%bf%e7%94%a8react-native%e6%97%b6%ef%bc%8c%e4%bd%bf%e7%94%a8realm%e3%80%82\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"\u9996\u9875","item":"https:\/\/www.silicloud.com\/zh\/blog\/"},{"@type":"ListItem","position":2,"name":"\u4f7f\u7528React Native\u65f6\uff0c\u4f7f\u7528Realm"}]},{"@type":"WebSite","@id":"https:\/\/www.silicloud.com\/zh\/blog\/#website","url":"https:\/\/www.silicloud.com\/zh\/blog\/","name":"Blog - Silicon Cloud","description":"","inLanguage":"zh-Hans"},{"@type":"Person","@id":"https:\/\/www.silicloud.com\/zh\/blog\/#\/schema\/person\/64d5cc7727fffbff2f9a2a8da1de3e5c","name":"\u6587, \u7fd4","image":{"@type":"ImageObject","inLanguage":"zh-Hans","@id":"https:\/\/www.silicloud.com\/zh\/blog\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/920c3d673e0bccacc98e5e6b7149bb3c22edd8d39cb753e5d7d7e471498118a1?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/920c3d673e0bccacc98e5e6b7149bb3c22edd8d39cb753e5d7d7e471498118a1?s=96&d=mm&r=g","caption":"\u6587, \u7fd4"},"url":"https:\/\/www.silicloud.com\/zh\/blog\/author\/wenxiang\/"},{"@type":"ImageObject","inLanguage":"zh-Hans","@id":"https:\/\/www.silicloud.com\/zh\/blog\/%e4%bd%bf%e7%94%a8react-native%e6%97%b6%ef%bc%8c%e4%bd%bf%e7%94%a8realm%e3%80%82\/#local-main-organization-logo","url":"","contentUrl":"","caption":"Blog - Silicon Cloud"}]}},"_links":{"self":[{"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/posts\/38606","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/users\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/comments?post=38606"}],"version-history":[{"count":2,"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/posts\/38606\/revisions"}],"predecessor-version":[{"id":99101,"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/posts\/38606\/revisions\/99101"}],"wp:attachment":[{"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/media?parent=38606"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/categories?post=38606"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/tags?post=38606"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}