**pptlist是最初始的數(shù)組，不能改動(dòng)它.doubt是一次次存入doubtList的，現(xiàn)在的問(wèn)題是我使用judgment方法時(shí)，會(huì)改變pptlist，導(dǎo)致計(jì)算number的時(shí)候次數(shù)會(huì)重復(fù)疊加。
**

// redux.js文件：
export default function ppt(state = initialState, action) {
    const data = action.data;
    switch (action.type) {
        case SHOW_SLIDES:
        {
            const pptlist = handling(data.url_s);//處理最初始的圖片數(shù)組，不要改變它
            // pptlist = [
            //     { icon: "1.png", number: 0 },
            //     { icon: "2.png", number: 0 },
            //     { icon: "3png", number: 0 },
            //     { icon: "4.png", number: 0 }
            // ];
            const list = judgment([...pptlist],[...state.doubtList]);

            return {
                ...state,
                pptlist,
                list
            }
        }
        case CHANGE_TIMES:
        {   
            const doubt = data.url; //每接收的一張圖
            const doubtList = state.doubtList.concat(doubt);//我存在了數(shù)組里
            const list = judgment([...state.pptlist],[...doubtList]);
            return {
                ...state,
                doubt,
                doubtList,
                list
            } 
        }
        default:
            return state;
    }
    
}