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| import Taro, { useDidShow, useReachBottom, usePullDownRefresh, } from "@tarojs/taro"; import { useEffect, useRef } from "react"; import useDebounce from "@/hooks/useDebounce";
const PAGE_NUM_LOCK = 2; const PAGE_SIZE = 20;
const useQueryPageList = ( callback: any, funFetchApi: any = null, param: any = {}, isUpdateList: boolean = false ) => { const nPageNum = useRef<number>(0); const nTotalCount = useRef<number>(0); const arrPageList = useRef<Array<any>>([]);
const isInitComplate = useRef<boolean>(false); const funFetchApiTmp = useRef(undefined); const paramTmp = useRef(undefined);
const nPageSize = param.nPageSize ? param.nPageSize : PAGE_SIZE;
const dealFetchResult = (res: any) => { const list = res?.data ? res.data : []; const totalCount = res?.totalCount === undefined ? 9999 : res?.totalCount ? res?.totalCount : 0; nTotalCount.current = totalCount; return { list, totalCount, }; };
const returnCallBack = () => { callback && callback({ state: "RESULT", list: arrPageList.current, totalCount: nTotalCount.current, }); };
useEffect( useDebounce(() => { const isNotUndefined = !(funFetchApi === undefined) && !(param === undefined); const isDiff = funFetchApiTmp.current !== funFetchApi || JSON.stringify(paramTmp.current) !== JSON.stringify(param); if (isNotUndefined && isDiff) { funFetchApiTmp.current = funFetchApi; paramTmp.current = param; nPageNum.current = 0; callback && callback({ state: "LOADING" }); const paramReal = { ...param, nPageNum: nPageNum.current, nPageSize: nPageSize, }; funFetchApi && funFetchApi(paramReal).then((res) => { console.log("useQueryPageList useUpdateApiOrParam", res); const { list } = dealFetchResult(res); arrPageList.current = list; isInitComplate.current = true; returnCallBack(); }); } }, 500), [funFetchApi, param] );
useEffect(() => { if (!callback || !funFetchApi) { return; } if (isInitComplate.current) { callback({ state: "LOADING" }); nPageNum.current = nPageNum.current >= PAGE_NUM_LOCK ? PAGE_NUM_LOCK : nPageNum.current; const paramReal = { ...param, nPageNum: 0, nPageSize: (nPageNum.current + 1) * nPageSize, }; funFetchApi(paramReal).then((res) => { console.log("useQueryPageList useUpdateList", res); const { list } = dealFetchResult(res); arrPageList.current = list; returnCallBack(); }); } }, [isUpdateList]);
useDidShow(() => { if (!callback || !funFetchApi) { return; } if (isInitComplate.current) { callback({ state: "LOADING" }); nPageNum.current = nPageNum.current >= PAGE_NUM_LOCK ? PAGE_NUM_LOCK : nPageNum.current; const paramReal = { ...param, nPageNum: 0, nPageSize: (nPageNum.current + 1) * nPageSize, }; funFetchApi(paramReal).then((res) => { console.log("useQueryPageList useDidShow", res); const { list } = dealFetchResult(res); arrPageList.current = list; returnCallBack(); }); } });
useReachBottom(() => { if (!callback || !funFetchApi) { return; } if (nPageNum.current * nPageSize > nTotalCount.current) { return; } callback({ state: "REACH_BOTTOM" }); nPageNum.current++; const paramReal = { ...param, nPageNum: nPageNum.current, nPageSize: nPageSize, }; funFetchApi(paramReal).then((res) => { console.log("useQueryPageList useReachBottom", res); const { list } = dealFetchResult(res); arrPageList.current = arrPageList.current.concat(list); returnCallBack(); }); });
usePullDownRefresh(() => { if (!callback || !funFetchApi) { return; } console.log("useQueryPageList usePullDownRefresh"); callback({ state: "LOADING" }); nPageNum.current = 0; const paramReal = { ...param, nPageNum: nPageNum.current, nPageSize: nPageSize, }; funFetchApi(paramReal).then((res) => { console.log("useQueryPageList usePullDownRefresh", res); const { list } = dealFetchResult(res); arrPageList.current = list; returnCallBack(); }); }); };
export default useQueryPageList;
|