Function restoreLastSelectedNote

notes.js:1657–1696

()

        // 尝试恢复上次选择的笔记
        function restoreLastSelectedNote() {
            const lastSelected = getLastSelectedNote();
            if (!lastSelected) return false;
            
            // 检查上次选择的分类是否存在
            const categories = readJSON(LS_KEYS.categories, []);
            const categoryExists = categories.some(c => c.id === lastSelected.categoryId);
            if (!categoryExists) return false;
            
            // 检查上次选择的笔记是否存在
            const map = readJSON(LS_KEYS.notes, {});
            const list = map[lastSelected.categoryId] || [];
            const noteExists = list.some(n => n.id === lastSelected.noteId);
            if (!noteExists) return false;
            
            // 切换到上次选择的分类
            if (currentCategoryId !== lastSelected.categoryId) {
                currentCategoryId = lastSelected.categoryId;
                window.currentCategoryId = currentCategoryId;
                renderCategories(); // 更新分类选择器
            }
            
            // 选择上次的笔记
            const selectedNote = list.find(n => n.id === lastSelected.noteId);
            if (selectedNote) {
                currentNoteId = lastSelected.noteId;
                window.currentNoteId = currentNoteId;
                titleInput.value = selectedNote.title || '';
                editor.innerHTML = filterEditorContent(selectedNote.content || '');
                // 清除可能自动插入的<br>标签
                setTimeout(() => {
                    if (editor.innerHTML === '<br>' || editor.innerHTML === '<br/>') {
                        editor.innerHTML = '';
                    }
                }, 10);
                return true;
            }
            
            return false;
        }

        function renderNotes() {
            noteList.innerHTML = '';