flat: 性能优化，招聘会时间筛选性能优化、精选企业性能优化，封装缓存request、indexDb方法，主要用于不常更新的接口,以达到毫秒级性能

2025-11-29 16:31:34 +08:00
parent 636818361c
commit 63d0cdb5ad
10 changed files with 190 additions and 104 deletions
--- a/utils/db.js
+++ b/utils/db.js
@@ -0,0 +1,91 @@
+// BaseDBStore.js
+import IndexedDBHelper from '@/common/IndexedDBHelper.js'
+// import UniStorageHelper from '../common/UniStorageHelper'
+import useChatGroupDBStore from '@/stores/userChatGroupStore'
+import config from '@/config'
+
+class BaseStore {
+    db = null
+    isDBReady = false
+    dbName = 'BrowsingHistory' //  'AppMainDB'
+    initPromise = null
+
+    constructor() {
+        this.initPromise = this.checkAndInitDB()
+    }
+
+    async getDB() {
+        if (!this.initPromise) {
+            this.initPromise = this.checkAndInitDB();
+        }
+        await this.initPromise; // 等待初始化完成
+        return this.db;
+    }
+
+    async checkAndInitDB() {
+        if (config.OnlyUseCachedDB) {
+            return this.initDB()
+        }
+        const localVersion = uni.getStorageSync('indexedDBVersion') || 1
+        console.log('DBVersion: ', localVersion, config.DBversion)
+        if (localVersion === config.DBversion) {
+            return this.initDB() // 🟢 记得加 return
+        } else {
+            console.log('清空本地数据库')
+            await this.clearDB() // 🟢 建议用 await
+            uni.setStorageSync('indexedDBVersion', config.DBversion);
+            return this.initDB(); // 🟢 记得加 return
+        }
+    }
+
+    initDB() {
+        // // #ifdef H5
+        this.db = new IndexedDBHelper(this.dbName, config.DBversion);
+        // // #endif
+
+        return this.db.openDB([{
+                name: 'record',
+                keyPath: "id",
+                autoIncrement: true,
+            },
+            {
+                name: 'messageGroup',
+                keyPath: "id",
+                autoIncrement: true,
+            },
+            {
+                name: 'messages',
+                keyPath: "id",
+                autoIncrement: true,
+                indexes: [{
+                    name: 'parentGroupId',
+                    key: 'parentGroupId',
+                    unique: false
+                }]
+            },
+            {
+                name: 'api_cache',
+                keyPath: "cacheKey", // 使用 URL+参数 作为主键
+                indexes: []
+            }
+        ]).then(async () => {
+            // 这里原来的逻辑保留
+            if (useChatGroupDBStore) {
+                useChatGroupDBStore().init()
+            }
+            this.isDBReady = true
+            return this.db;
+        });
+    }
+
+    async clearDB() {
+        return new Promise((resolve, rejetc) => {
+            new IndexedDBHelper().deleteDB(this.dbName).then(() => {
+                resolve()
+            })
+        })
+    }
+}
+
+const baseDB = new BaseStore()
+export default baseDB