let databaseName = 'cellsys'; let version = 1; let db; let request = window.indexedDB.open(databaseName, version); request.onerror = function (error) { console.log('IndexDB打开失败', error); }; request.onsuccess = function (res) { console.log('IndexDB打开成功', res); db = res.target.result; }; function addLog() { const transaction = db.transaction(['myObjectStore'], 'readwrite'); const objectStore = transaction.objectStore('myObjectStore'); objectStore.add(data); }