恢复
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package-lock.json
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16278
package-lock.json
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@ -21,8 +21,7 @@
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"react-swipe-handler": "^1.1.2",
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"react-swipeable": "^7.0.1",
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"swipeable": "^1.0.5",
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"web-vitals": "^2.1.4",
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"yarn": "^1.22.19"
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"web-vitals": "^2.1.4"
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},
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"scripts": {
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"start": "react-scripts start",
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174
src/Main.jsx
174
src/Main.jsx
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@ -1,4 +1,4 @@
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import React, { useState, useEffect, useContext, useCallback, useReducer } from 'react';
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import React, { useState, useEffect, useContext, useCallback } from 'react';
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import axios from 'axios';
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import Container from '@mui/material/Container';
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import Grid from '@mui/material/Grid';
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@ -10,63 +10,49 @@ import ConfigContext from './Config';
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import MovieCard from './components/MovieCard';
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import CategoryNav from './components/CategoryNav';
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const initialState = {
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lastCategory: 0,
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history: {
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0: { lastPage: 1, scrollPos: 0 },
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1: { lastPage: 1, scrollPos: 0 },
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2: { lastPage: 1, scrollPos: 0 },
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3: { lastPage: 1, scrollPos: 0 },
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},
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pagination: {
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movies: [],
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page: 1,
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total: 1,
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length: 1,
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},
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loading: false,
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};
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function reducer(state, action) {
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switch (action.type) {
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case 'UPDATE_LAST_CATEGORY':
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return { ...state, lastCategory: action.payload.lastCategory };
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case 'UPDATE_HISTORY':
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return {
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...state,
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history: {
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...state.history,
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[action.payload.category]: action.payload.newData,
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},
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};
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case 'SET_PAGINATION':
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return { ...state, pagination: action.payload.pagination };
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case 'SET_LOADING':
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return { ...state, loading: action.payload.loading };
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default:
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return state;
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}
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}
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const Main = () => {
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const config = useContext(ConfigContext);
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const [loading, setLoading] = useState(false);
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const categories = [
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{ label: '15min', idx: 0 },
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{ label: '30min', idx: 1 },
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{ label: '60min', idx: 2 },
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{ label: '大于60min', idx: 3 },
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];
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const [state, dispatch] = useReducer(reducer, initialState);
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const limit = 20;
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const updateLastCategory = useCallback((newCategory) => {
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dispatch({ type: 'UPDATE_LAST_CATEGORY', payload: { lastCategory: newCategory } });
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}, []);
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const getInitialParams = () => {
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const storedParams = localStorage.getItem('params');
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if (storedParams) {
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return JSON.parse(storedParams);
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} else {
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return {
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lastCategory: 0,
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history: {
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0: { lastPage: 1, scrollPos: 0 },
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1: { lastPage: 1, scrollPos: 0 },
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2: { lastPage: 1, scrollPos: 0 },
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3: { lastPage: 1, scrollPos: 0 },
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},
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};
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}
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};
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const updateHistory = useCallback((category, newData) => {
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dispatch({ type: 'UPDATE_HISTORY', payload: { category, newData } });
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}, []);
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const [params, setParams] = useState(getInitialParams());
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const [pagination, setPagination] = useState({
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movies: [],
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page: params.history[params.lastCategory].lastPage,
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total: 1,
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length: 1,
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});
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const fetchMovies = useCallback(async (category, page) => {
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dispatch({ type: 'SET_LOADING', payload: { loading: true } });
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setLoading(true);
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try {
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const response = await axios.get(
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`${config.Host}/movie/?page=${page}&limit=${config.limit}&category=${category}` // 修改这里
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`${config.Host}/movie/?page=${page}&limit=${limit}&category=${category}`
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);
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if (response.status === 200) {
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@ -75,85 +61,104 @@ const Main = () => {
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if (data.items.length === 0 && page > 1) {
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fetchMovies(category, page - 1);
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} else {
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dispatch({
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type: 'SET_PAGINATION',
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payload: {
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pagination: {
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movies: data.items,
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page: page,
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total: data.total,
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length: Math.ceil(data.total / config.limit), // 修改这里
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},
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},
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setPagination({
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movies: data.items,
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page: page,
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total: data.total,
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length: Math.ceil(data.total / limit),
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});
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}
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}
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} catch (error) {
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console.error('Error fetching movies:', error);
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} finally {
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dispatch({ type: 'SET_LOADING', payload: { loading: false } });
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setLoading(false);
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}
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}, [config.Host, config.limit]); // 修改这里
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}, [config.Host, limit]);
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useEffect(() => {
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const currentCategory = state.lastCategory;
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const currentPage = state.history[currentCategory].lastPage;
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const currentCategory = params.lastCategory;
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const currentPage = params.history[currentCategory].lastPage;
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fetchMovies(currentCategory, currentPage);
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}, [fetchMovies, state]);
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}, [fetchMovies, params]);
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const updateParams = useCallback((newParams) => {
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setParams((prevParams) => {
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const updatedParams = { ...prevParams, ...newParams };
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localStorage.setItem('params', JSON.stringify(updatedParams));
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return updatedParams;
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});
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}, []);
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const handlePageChange = useCallback(
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(event, page) => {
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const currentCategory = state.lastCategory;
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updateHistory(currentCategory, { ...state.history[currentCategory], lastPage: page });
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const currentCategory = params.lastCategory;
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updateParams({
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history: {
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...params.history,
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[currentCategory]: { ...params.history[currentCategory], lastPage: page },
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},
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});
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fetchMovies(currentCategory, page);
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},
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[fetchMovies, state, updateHistory]
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[fetchMovies, params, updateParams]
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);
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// 导致递归刷新
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const handleCategoryChange = useCallback(
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(category) => {
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const currentPage = state.history[category].lastPage;
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const currentPage = params.history[category].lastPage;
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fetchMovies(category, currentPage);
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const currentCategory = state.lastCategory;
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updateHistory(currentCategory, { ...state.history[currentCategory], scrollPos: window.scrollY });
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updateLastCategory(category);
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const currentCategory = params.lastCategory;
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updateParams({
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lastCategory: category,
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history: {
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...params.history,
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[currentCategory]: { ...params.history[currentCategory], scrollPos: window.scrollY },
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},
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});
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},
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[fetchMovies, state, updateHistory, updateLastCategory]
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[fetchMovies, params, updateParams]
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);
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const handleRenderComplete = useCallback(() => {
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const { scrollPos } = state.history[state.lastCategory];
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const { scrollPos } = params.history[params.lastCategory];
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window.scrollTo(0, scrollPos);
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}, [state]);
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}, [params]);
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const handleMovieCardClick = () => {
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const currentCategory = state.lastCategory;
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updateHistory(currentCategory, { ...state.history[currentCategory], scrollPos: window.scrollY });
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const currentCategory = params.lastCategory;
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updateParams({
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history: {
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...params.history,
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[currentCategory]: { ...params.history[currentCategory], scrollPos: window.scrollY },
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},
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});
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};
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return (
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<Container style={{ marginTop: 20 }}>
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<CategoryNav
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categories={config.categories} // 修改这里
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currentCategory={state.lastCategory} // 修改这里
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categories={categories}
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currentCategory={params.lastCategory}
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onCategoryChange={handleCategoryChange}
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/>
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<PaginationWrapper page={state.pagination.page} length={state.pagination.length} onPageChange={handlePageChange} />
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<PaginationWrapper page={pagination.page} length={pagination.length} onPageChange={handlePageChange} />
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{state.loading ? (
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{loading ? (
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<Loading />
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) : (
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<MoviesGrid
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movies={state.pagination.movies}
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movies={pagination.movies}
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config={config}
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onRenderComplete={handleRenderComplete}
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onMovieCardClick={handleMovieCardClick}
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onMovieCardClick={handleMovieCardClick}
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/>
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)}
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<PaginationWrapper page={state.pagination.page} length={state.pagination.length} onPageChange={handlePageChange} />
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<PaginationWrapper page={pagination.page} length={pagination.length} onPageChange={handlePageChange} />
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</Container>
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);
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};
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@ -164,6 +169,7 @@ const PaginationWrapper = ({ page, length, onPageChange }) => (
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</Grid>
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);
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const MoviesGrid = ({ movies, config, onRenderComplete, onMovieCardClick }) => {
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useEffect(() => {
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onRenderComplete();
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@ -179,7 +185,7 @@ const MoviesGrid = ({ movies, config, onRenderComplete, onMovieCardClick }) => {
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<Link
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to={`/res/${item.filename}`}
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style={{ textDecoration: 'none', paddingBottom: 10 }}
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onClick={onMovieCardClick}
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onClick={onMovieCardClick} // 修改这里
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>
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<MovieCard movie={item} config={config} />
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</Link>
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