81 lines
2.0 KiB
TypeScript
81 lines
2.0 KiB
TypeScript
import { store } from "@/store";
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import DictAPI from "@/api/system/dict";
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import type { DictItemOption } from "@/types/api";
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import { STORAGE_KEYS } from "@/constants";
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export const useDictStore = defineStore("dict", () => {
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// 字典数据缓存
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const dictCache = useStorage<Record<string, DictItemOption[]>>(STORAGE_KEYS.DICT_CACHE, {});
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// 请求队列（防止重复请求）
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const requestQueue: Record<string, Promise<void>> = {};
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/**
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* 缓存字典数据
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* @param dictCode 字典编码
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* @param data 字典项列表
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*/
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const cacheDictItems = (dictCode: string, data: DictItemOption[]) => {
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dictCache.value[dictCode] = data;
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};
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/**
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* 加载字典数据（如果缓存中没有则请求）
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* @param dictCode 字典编码
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*/
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const loadDictItems = async (dictCode: string) => {
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if (dictCache.value[dictCode]) return;
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// 防止重复请求
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if (!requestQueue[dictCode]) {
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requestQueue[dictCode] = DictAPI.getDictItems(dictCode)
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.then((data) => {
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cacheDictItems(dictCode, data);
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Reflect.deleteProperty(requestQueue, dictCode);
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})
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.catch((error) => {
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// 请求失败，清理队列，允许重试
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Reflect.deleteProperty(requestQueue, dictCode);
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throw error;
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});
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}
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await requestQueue[dictCode];
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};
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/**
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* 获取字典项列表
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* @param dictCode 字典编码
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* @returns 字典项列表
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*/
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const getDictItems = (dictCode: string): DictItemOption[] => {
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return dictCache.value[dictCode] || [];
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};
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/**
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* 移除指定字典项
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* @param dictCode 字典编码
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*/
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const removeDictItem = (dictCode: string) => {
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if (dictCache.value[dictCode]) {
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Reflect.deleteProperty(dictCache.value, dictCode);
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}
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};
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/**
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* 清空字典缓存
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*/
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const clearDictCache = () => {
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dictCache.value = {};
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};
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return {
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loadDictItems,
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getDictItems,
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removeDictItem,
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clearDictCache,
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};
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});
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export function useDictStoreHook() {
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return useDictStore(store);
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}
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