{"id":267,"date":"2024-11-12T19:39:00","date_gmt":"2024-11-12T11:39:00","guid":{"rendered":"https:\/\/www.vincedeck.top\/?p=267"},"modified":"2024-12-23T17:42:31","modified_gmt":"2024-12-23T09:42:31","slug":"redux-toolkit-%e6%9e%81%e7%ae%80%e6%a1%88%e4%be%8b2","status":"publish","type":"post","link":"https:\/\/www.vincedeck.top\/?p=267","title":{"rendered":"Redux Toolkit \u6781\u7b80\u6848\u4f8b#2"},"content":{"rendered":"\n

Redux Toolkit \u6781\u7b80\u793a\u4f8b\uff1aLet’s buy some ice-cream! \uff08Part 2\uff09<\/p>\n\n\n\n\n\n\n\n

2. \u4e70\u70b9 IceCream \u5427\uff01<\/strong><\/h2>\n\n\n\n

\u6839\u636e\u4e0a\u4e00\u7ae0\u7684\u5185\u5bb9\u5b9e\u73b0\u9875\u9762\u4e0a BuyIceCream<\/code> \u7684\u529f\u80fd\u3002<\/p>\n\n\n\n

2.1 \u521b\u5efa ice-cream \u7684 Slice<\/strong><\/h3>\n\n\n\n

\u4e0e 1.4.2 \u7ae0\u7c7b\u4f3c\uff0c\u5728 src\/store\/reducers\/<\/code> \u6587\u4ef6\u5939\u4e0b\u521b\u5efa\u4e00\u4e2a icecream.js<\/code> \u6587\u4ef6\u7528\u4e8e\u5904\u7406 ice-cream \u6570\u91cf\u7684\u8bb0\u5f55\u548c\u4fee\u6539\uff0c\u5e76\u5bfc\u51fa Action Creaters \u548c reducer\u3002<\/p>\n\n\n\n

\u8fd9\u91cc\uff0c\u5148\u6682\u65f6\u53ea\u521b\u5efa increment<\/code> \u8fd9\u4e00 reducer\uff0c\u8ba9\u8d2d\u4e70\u6309\u94ae\u6309\u4e0b\u65f6\u589e\u52a0\u51b0\u6fc0\u51cc\u7684\u6570\u91cf\u3002<\/p>\n\n\n\n

\/\/ src\/store\/reducers\/icecream.js\n\n\/\/ \u521b\u5efa\u4e00\u4e2a icecream \u7684 slice\uff0c\u7528\u4e8eice-cream\u6570\u91cf\u7684\u4fee\u6539\nimport { createSlice } from "@reduxjs\/toolkit";\n\nexport const icecreamSlice = createSlice({\n    name: "icecream",\n    initialState: {\n        value: 0\n    },\n    reducers: {\n        increment: (state) => {\n            state.value += 1;\n        },\n    },\n})\n\nexport const { increment } = icecreamSlice.actions;\nexport default icecreamSlice.reducer;<\/code><\/pre><\/div>\n\n\n\n
2.2 \u5c06 ice-cream \u7684 Slice Reducer \u6dfb\u52a0\u5230 Store \u4e2d<\/strong><\/h3>\n\n\n\n
\u4e0e 1.5\u7ae0\u7c7b\u4f3c\uff0c\u5f15\u5165\u4e0a\u4e00\u8282\u5199\u597d\u7684 reducer\uff0c\u6b64\u65f6\u7684 src\/store\/index.js<\/code> \u6587\u4ef6\u53d8\u6210\uff1a<\/p>\n\n\n\n
\/\/ src\/store\/index.js\n\nimport { configureStore } from "@reduxjs\/toolkit";\nimport moneyReducer from ".\/reducers\/money";\nimport icecreamReducer from ".\/reducers\/icecream"; \/\/ \u5f15\u5165icecreamReducer\n\nexport default configureStore({\n  reducer: {\n    money: moneyReducer,\n    icecream: icecreamReducer, \/\/ \u5c06icecreamReducer\u52a0\u5165\u5230store\u4e2d\n  },\n});<\/code><\/pre><\/div>\n\n\n\n
2.3 \u5728 React \u7ec4\u4ef6\u4e2d\u4f7f\u7528 Redux \u64cd\u4f5c ice-cream \u7684\u6570\u91cf<\/strong><\/h3>\n\n\n\n
\u4e0e\u4e0a\u4e00\u7ae0\u5904\u7406 Money \u7684\u65b9\u6cd5\u7c7b\u4f3c\uff0c\u9700\u8981\u5728 App.js<\/code> \u4e2d\u5f15\u5165\u4e4b\u524d\u5199\u597d\u7684 Action\uff0c\u7136\u540e\u4f7f\u7528 useSelector<\/code> \u83b7\u53d6 store \u4e2d icecream<\/code> \u7684\u503c\uff0c\u5e76\u4e14\u5728\u9875\u9762\u4e0a\u5c06\u5b83\u6b63\u786e\u7684\u663e\u793a\u51fa\u6765\u3002\u6700\u540e\u5728\u5bf9\u5e94 <button><\/code> \u7684 onClick<\/code> \u5c5e\u6027\u4f20\u5165\u6b63\u786e\u7684\u65b9\u6cd5\u6765\u66f4\u65b0\u5b83\u3002<\/p>\n\n\n\n
\u9996\u5148\uff0c\u5f15\u5165\u5bf9\u5e94\u7684 Action\uff1a<\/p>\n\n\n\n
\/\/ src\/App.js\n\nimport React from 'react';\nimport { useSelector, useDispatch } from 'react-redux';\nimport { increment, decrement } from '.\/store\/reducers\/money';\nimport { increment as buyIcecream } from '.\/store\/reducers\/icecream'; \/\/ \u5f15\u5165 increment action\n\n\/\/ ...<\/code><\/pre><\/div>\n\n\n\n
\u548c\u7b2c\u4e00\u7ae0\u4e0d\u540c\u7684\u662f\uff0c\u5f15\u5165\u65f6\u4f7f\u7528\u4e86 increment as buyIcecream<\/code> \u7684\u5199\u6cd5\uff0c\u5c06 icecream<\/code> \u7684 increment<\/code> action \u8d77\u4e86\u4e00\u4e2a\u201c\u522b\u540d\u201d\uff1abuyIcecream<\/code>\u3002\u8fd9\u662f\u56e0\u4e3a increment<\/code> \u8fd9\u4e2a\u540d\u5b57\u5df2\u7ecf\u88ab money<\/code> \u7684 Action \u5360\u7528\u4e86\u3002<\/p>\n\n\n\n
\u56e0\u6b64\uff0c\u5728\u540e\u7eed\u7684\u4ee3\u7801\u4e2d\uff0c\u5c06\u4f7f\u7528 buyIcecream<\/code> \u8fd9\u4e2a\u522b\u540d\u6765\u64cd\u4f5c icecream<\/code> \u7684\u589e\u52a0\u3002<\/p>\n\n\n\n
\u7ee7\u7eed\u5b8c\u6210 App.js<\/code> \u7684\u4fee\u6539\uff1a<\/p>\n\n\n\n
\/\/ src\/App.js\n\n\/\/ ...\nimport { increment as buyIcecream } from '.\/store\/reducers\/icecream'; \/\/ \u5f15\u5165 increment action\n\nconst App = () => {\n    \/\/ ...\n    const icecream = useSelector((state) => state.icecream.value); \/\/ \u4ecestore\u4e2d\u83b7\u53d6icecream\u7684\u503c\n    return (\n        {\/* ... *\/}\n        {\/* \u5728\u9875\u9762\u4e0a\u663e\u793aicecream\u7684\u503c\uff0c\u5e76\u5904\u7406button\u7684\u70b9\u51fb *\/}\n        IceCream Count: {icecream}\n        <button onClick={() => dispatch(buyIcecream())}>Buy IceCream<\/button> <br \/>\n        {\/* ... *\/}\n    )\n}\n\n\/\/ ...<\/code><\/pre><\/div>\n\n\n\n
\u6b64\u65f6\u5728\u9875\u9762\u4e0a\u70b9\u51fb BuyIceCream<\/code> \u6309\u94ae\u5c31\u53ef\u4ee5\u89c2\u5bdf\u5230\u51b0\u6fc0\u51cc\u6570\u91cf\u7684\u53d8\u5316\u4e86\u3002<\/p>\n\n\n\n
\u4ee5\u4e0a\u5185\u5bb9\u7684\u5b8c\u6574\u4ee3\u7801\u5728\u672c\u9879\u76ee\u7684 ChapterTwo \u5206\u652f<\/a>\u3002<\/p>\n\n\n\n \n","protected":false},"excerpt":{"rendered":"
Redux Toolkit \u6781\u7b80\u793a\u4f8b\uff1aLet’s buy some ice-cream! \uff08Par … \u7ee7\u7eed\u9605\u8bfb\u201cRedux Toolkit \u6781\u7b80\u6848\u4f8b#2\u201d<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[27,7],"tags":[28,29,30,32],"class_list":["post-267","post","type-post","status-publish","format-standard","hentry","category-react","category-7","tag-react","tag-redux","tag-redux-toolkit","tag-redux-toolkit-"],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.vincedeck.top\/index.php?rest_route=\/wp\/v2\/posts\/267","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.vincedeck.top\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.vincedeck.top\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.vincedeck.top\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.vincedeck.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=267"}],"version-history":[{"count":1,"href":"https:\/\/www.vincedeck.top\/index.php?rest_route=\/wp\/v2\/posts\/267\/revisions"}],"predecessor-version":[{"id":268,"href":"https:\/\/www.vincedeck.top\/index.php?rest_route=\/wp\/v2\/posts\/267\/revisions\/268"}],"wp:attachment":[{"href":"https:\/\/www.vincedeck.top\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=267"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vincedeck.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=267"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vincedeck.top\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=267"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}