/// <summary>
/// 清除所有数据
/// </summary>
/// <returns></returns>
public Task <int> ClearAllData()
{
return(LocalDatabaseHelper <SearchedItem> .ClearDatabase());
}
/// <summary>
/// 查找所有搜索历史
/// </summary>
/// <returns></returns>
public Task <List <SearchedItem> > GetAllSearchedItem()
{
return(LocalDatabaseHelper <SearchedItem> .GetAllItems());
}
/// <summary>
/// 删除所有搜索历史
/// </summary>
/// <returns></returns>
public Task <int> DeleteAllSearchedItem()
{
return(LocalDatabaseHelper <SearchedItem> .DeleteAllItems());
}
/// <summary>
/// 插入搜索历史
/// </summary>
/// <param name="searchedItem"></param>
/// <returns></returns>
public Task <int> InsertSearchedItem(SearchedItem searchedItem)
{
//Database.DeleteAllAsync<SearchedItem>(); //先清空
return(LocalDatabaseHelper <SearchedItem> .InsertOrReplaceAsync(searchedItem));
}