\u4e0a\u5468\u6536\u5230\u540c\u5b66\u7684\u63d0\u95ee\uff0c\u4e0d\u77e5\u9053\u5982\u4f55\u5728RTKQ\u4e2d\u4f7f\u7528Axios\uff0c\u8fd9\u8282\u8bfe\u6211\u4eec\u6765\u89e3\u51b3\u4e00\u4e0b\u8fd9\u4e2a\u95ee\u9898\u3002<\/p>\n\n\n\n
\u5148\u6765\u770b\u770b\u4e00\u4e2a\u7b80\u5355\u7684\u6848\u4f8b\uff1a<\/p>\n\n\n\n
import React from "react"\nimport ReactDOM from "react-dom\/client"\nimport { Provider } from "react-redux"\nimport { createApi, fetchBaseQuery } from "@reduxjs\/toolkit\/dist\/query\/react"\nimport { configureStore } from "@reduxjs\/toolkit"\nimport { setupListeners } from "@reduxjs\/toolkit\/dist\/query"\n\nconst productApi = createApi({\n reducerPath: "productApi",\n baseQuery: fetchBaseQuery({\n baseUrl:\n "https:\/\/mdn.github.io\/learning-area\/javascript\/apis\/fetching-data\/can-store",\n }),\n endpoints(build) {\n return {\n getProducts: build.query({\n query() {\n return {\n url: "\/products.json",\n }\n },\n }),\n }\n },\n})\n\nconst { useGetProductsQuery } = productApi\n\nconst store = configureStore({\n reducer: {\n [productApi.reducerPath]: productApi.reducer,\n },\n\n middleware: (getDefaultMiddleware) =>\n getDefaultMiddleware().concat(productApi.middleware),\n})\n\nsetupListeners(store.dispatch)\n\nconst App = () => {\n const { data, isSuccess } = useGetProductsQuery()\n\n return (\n <div>\n App\n <hr \/>\n {isSuccess && JSON.stringify(data)}\n <\/div>\n )\n}\n\nconst root = ReactDOM.createRoot(document.getElementById("root"))\nroot.render(\n <Provider store={store}>\n <App \/>\n <\/Provider>\n)\n<\/code><\/pre><\/div>\n\n\n\n\u4e0a\u4f8b\u4e2dproductApi<\/code>\u7528\u6765\u8c03\u7528product\u6570\u636e\uff0c\u5b9a\u4e49api\u65f6\u7684baseQuery\u5c5e\u6027\u7528\u6765\u6307\u5b9a\u6211\u4eec\u8981\u4f7f\u7528\u7684\u53d1\u9001\u8bf7\u6c42\u7684\u5de5\u5177\uff0c\u5176\u4e2d\u7684fetchBaseQuery\u662fRTKQ\u4e2d\u4e3a\u6211\u4eec\u63d0\u4f9b\u7684\u5de5\u5177\uff0c\u5b83\u5bf9Fetch\u8fdb\u884c\u4e86\u5305\u88c5\uff0c\u8bbe\u7f6e\u540eRTKQ\u4e2d\u5c06\u4f1a\u4f7f\u7528Fetch\u505a\u4e3a\u53d1\u9001\u8bf7\u6c42\u7684\u5de5\u5177\u3002<\/p>\n\n\n\nBaseQuery<\/h2>\n\n\n\n
\u8981\u8bbe\u7f6e\u901a\u8fc7Axios\u53d1\u9001\u8bf7\u6c42\uff0c\u5173\u952e\u5c31\u5728\u4e8eBaseQuery\u3002\u53ea\u9700\u8981\u4f7f\u7528Axios\u7684BaseQuery\u66ff\u6362\u6389fetchBaseQuery\u5373\u53ef\u3002\u4f46\u662f\u53ef\u60dc\u7684\u662fRTKQ\u4e2d\u5e76\u6ca1\u6709\u4e3a\u6211\u4eec\u63d0\u4f9bAxios\u7684BaseQuery\uff0c\u6240\u4ee5\u6211\u4eec\u9700\u8981\u81ea\u5b9a\u4e49\u4e00\u4e2aBaseQuery\u624d\u80fd\u8fbe\u5230\u76ee\u7684\u3002<\/p>\n\n\n\n
BaseQuery\u672c\u8eab\u5c31\u662f\u4e00\u4e2a\u51fd\u6570\uff0c\u5b9a\u4e49BaseQuery\u76f4\u63a5\u5b9a\u4e49\u4e00\u4e2a\u51fd\u6570\u5373\u53ef\uff0c\u53ef\u4ee5\u901a\u8fc7\u51fd\u6570\u7684\u53c2\u6570\u6765\u6307\u5b9a\u67e5\u8be2\u4e2d\u8981\u4f7f\u7528\u7684\u9ed8\u8ba4\u53c2\u6570\uff0c\u6bd4\u5982baseUrl\uff0c\u53c2\u6570\u53ef\u4ee5\u6839\u636e\u81ea\u5df1\u7684\u5b9e\u9645\u9700\u8981\u6307\u5b9a\uff1a<\/p>\n\n\n\n
const myBaseQuery = ({baseUrl} = {baseUrl:""}) => {\n \n}<\/code><\/pre><\/div>\n\n\n\nBaseQuery\u9700\u8981\u4e00\u4e2a\u51fd\u6570\u4f5c\u4e3a\u8fd4\u56de\u503c\uff0c\u8fd9\u4e2a\u51fd\u6570\u5c06\u4f1a\u6210\u4e3a\u6700\u7ec8\u7684\u53d1\u9001\u8bf7\u6c42\u7684\u5de5\u5177\uff0c\u4e14\u51fd\u6570\u7684\u8fd4\u56de\u503c\u5c06\u4f1a\u4f5c\u4e3a\u6267\u884c\u7ed3\u679c\u8fd4\u56de\u3002\u6211\u4eec\u53ef\u4ee5\u5c06\u53d1\u9001\u8bf7\u6c42\u7684\u903b\u8f91\u7f16\u5199\u5230\u51fd\u6570\u4e2d\uff0c\u5e76\u4e14\u6839\u636e\u4e0d\u540c\u7684\u60c5\u51b5\u8bbe\u7f6e\u8fd4\u56de\u503c\u3002<\/p>\n\n\n\n
\u5148\u770b\u770b\u8fd4\u56de\u503c\u7684\u683c\u5f0f\uff0c\u8fd4\u56de\u503c\u7684\u683c\u5f0f\u6709\u4e24\u79cd\uff0c\u4e00\u79cd\u662f\u8bf7\u6c42\u6210\u529f\u8fd4\u56de\u7684\u6570\u636e\uff0c\u4e00\u79cd\u662f\u8bf7\u6c42\u5931\u8d25\u8fd4\u56de\u7684\u6570\u636e\uff1a<\/p>\n\n\n\n
return { data: YourData } \/\/ \u8bf7\u6c42\u6210\u529f\u8fd4\u56de\u7684\u6570\u636e\nreturn { error: YourError } \/\/ \u8bf7\u6c42\u5931\u8d25\u8fd4\u56de\u7684\u6570\u636e<\/code><\/pre><\/div>\n\n\n\n\u6211\u4eec\u5148\u5c1d\u8bd5\u5b9a\u4e49\u4e00\u4e2a\u7b80\u5355\u7684BaseQuery\uff1a<\/p>\n\n\n\n
const myBaseQuery = () => {\n return () => {\n if(Math.random() > .5){\n return {\n data:{name:"\u5b59\u609f\u7a7a"}\n }\n }else{\n return {\n error:{message:"\u51fa\u9519\u4e86"}\n }\n }\n }\n}<\/code><\/pre><\/div>\n\n\n\n\u8fd9\u4e2aBaseQuery\u4e0d\u4f1a\u771f\u7684\u53bb\u52a0\u8f7d\u6570\u636e\uff0c\u800c\u662f\u6839\u636e\u968f\u673a\u6570\u8fd4\u56de\u4e0d\u540c\u7684\u6570\u636e\u3002\u968f\u673a\u6570\u5927\u4e8e0.5\u65f6\u4f1a\u8fd4\u56de\u6210\u529f\u7684\u6570\u636e\uff0c\u5426\u5219\u8fd4\u56de\u9519\u8bef\u7684\u6570\u636e\u3002\u63a5\u4e0b\u6765\u4fee\u6539Api\u7684\u4ee3\u7801\uff0c\u5c06fetchBaseQuery\u4fee\u6539\u4e3a\uff0cmyBaseQuery\uff1a<\/p>\n\n\n\n
const productApi = createApi({\n reducerPath: "productApi",\n baseQuery: myBaseQuery(),\n endpoints(build) {\n return {\n getProducts: build.query({\n query() {\n return {\n url: "\/products.json",\n }\n },\n }),\n }\n },\n})<\/code><\/pre><\/div>\n\n\n\naxiosBaseQuery<\/h2>\n\n\n\n
\u5982\u679c\u4f60\u80fd\u7406\u89e3myBaseQuery\uff0c\u4e0b\u8fb9\u6211\u4eec\u5c1d\u8bd5\u7f16\u5199\u4e00\u4e2aaxiosBaseQuery\uff1a<\/p>\n\n\n\n
const axiosBaseQuery = ({baseUrl} = {baseUrl:""}) => {\n return ({url, method, data, params}) => {\n return axios({\n url: baseUrl + url,\n method,\n data,\n params\n })\n }\n}<\/code><\/pre><\/div>\n\n\n\n\u76f4\u63a5\u4f7f\u7528axiosBaseQuery\u66ff\u6362\u6389\u4e4b\u524d\u7684BaseQuery\uff0c\u5373\u53ef\u5728RTKQ\u4e2d\u4f7f\u7528Axios\u6765\u53d1\u9001\u8bf7\u6c42\u4e86\uff0c\u540c\u65f6\u6211\u4eec\u4e5f\u53ef\u4ee5\u6839\u636e\u9700\u8981\u5728BaseQuery\u4e2d\u5bf9axios\u505a\u4e00\u4e9b\u66f4\u8be6\u7ec6\u7684\u914d\u7f6e\u3002<\/p>\n\n\n\n
\u4ee3\u7801\u5730\u5740\uff1a<\/h2>\n\n\n\n