/// <summary>
/// 增加一条记录，返回新的ID号。需要有一个单一主键，并且开启有标识符属性（异步方式）
/// </summary>
/// <param name="entity">实体模型</param>
/// <returns></returns>
public virtual async Task <int> InsertAsync(StatVisitorEntity entity)
{
Dictionary <string, object> dict = new Dictionary <string, object>();
GetParameters(entity, dict);
string strSQL = "insert into StatVisitor (" +
"VTime," +
"Ip," +
"Address," +
"System," +
"Browser," +
"Screen," +
"Color," +
"Referer," +
"Timezone) " +
"values(" +
"@VTime," +
"@Ip," +
"@Address," +
"@System," +
"@Browser," +
"@Screen," +
"@Color," +
"@Referer," +
"@Timezone)";
return(await Task.Run(() => _DB.ReturnID(strSQL, dict)));
}
/// <summary>
/// 增加一条记录
/// </summary>
/// <param name="entity">实体模型</param>
/// <returns></returns>
public virtual bool Add(StatVisitorEntity entity)
{
Dictionary <string, object> dict = new Dictionary <string, object>();
GetParameters(entity, dict);
string strSQL = "insert into StatVisitor (" +
"VTime," +
"Ip," +
"Address," +
"System," +
"Browser," +
"Screen," +
"Color," +
"Referer," +
"Timezone) " +
"values(" +
"@VTime," +
"@Ip," +
"@Address," +
"@System," +
"@Browser," +
"@Screen," +
"@Color," +
"@Referer," +
"@Timezone)";
return(_DB.ExeSQLResult(strSQL, dict));
}
/// <summary>
/// 把实体类转换成键/值对集合
/// </summary>
/// <param name="entity"></param>
/// <param name="dict"></param>
private static void GetParameters(StatVisitorEntity entity, Dictionary <string, object> dict)
{
dict.Add("ID", entity.ID);
dict.Add("VTime", entity.VTime);
dict.Add("Ip", entity.Ip);
dict.Add("Address", entity.Address);
dict.Add("System", entity.System);
dict.Add("Browser", entity.Browser);
dict.Add("Screen", entity.Screen);
dict.Add("Color", entity.Color);
dict.Add("Referer", entity.Referer);
dict.Add("Timezone", entity.Timezone);
}
/// <summary>
/// 获取实体（异步方式）
/// </summary>
/// <param name="strWhere">参数化查询条件(例如: and Name = @Name )</param>
/// <param name="dict">参数的名/值集合</param>
/// <returns></returns>
public virtual async Task <StatVisitorEntity> GetEntityAsync(string strWhere, Dictionary <string, object> dict = null)
{
StatVisitorEntity obj = null;
string strSQL = "select top 1 * from StatVisitor where 1=1 " + strWhere;
using (NullableDataReader reader = await Task.Run(() => _DB.GetDataReader(strSQL, dict)))
{
if (reader.Read())
{
obj = GetEntityFromrdr(reader);
}
}
return(obj);
}
/// <summary>
/// 通过数据读取器生成实体类
/// </summary>
/// <param name="rdr"></param>
/// <returns></returns>
private static StatVisitorEntity GetEntityFromrdr(NullableDataReader rdr)
{
StatVisitorEntity info = new StatVisitorEntity();
info.ID = rdr.GetInt32("ID");
info.VTime = rdr.GetNullableDateTime("VTime");
info.Ip = rdr.GetString("Ip");
info.Address = rdr.GetString("Address");
info.System = rdr.GetString("System");
info.Browser = rdr.GetString("Browser");
info.Screen = rdr.GetString("Screen");
info.Color = rdr.GetString("Color");
info.Referer = rdr.GetString("Referer");
info.Timezone = rdr.GetInt32("Timezone");
return(info);
}
/// <summary>
/// 更新一条记录（异步方式）
/// </summary>
/// <param name="entity">实体模型</param>
/// <returns></returns>
public virtual async Task <bool> UpdateAsync(StatVisitorEntity entity)
{
Dictionary <string, object> dict = new Dictionary <string, object>();
GetParameters(entity, dict);
string strSQL = "Update StatVisitor SET " +
"VTime = @VTime," +
"Ip = @Ip," +
"Address = @Address," +
"System = @System," +
"Browser = @Browser," +
"Screen = @Screen," +
"Color = @Color," +
"Referer = @Referer," +
"Timezone = @Timezone" +
" WHERE " +
"ID = @ID";
return(await Task.Run(() => _DB.ExeSQLResult(strSQL, dict)));
}
/// <summary>
/// 增加或更新一条记录（异步方式）
/// </summary>
/// <param name="entity">实体模型</param>
/// <param name="IsSave">是否增加</param>
/// <returns></returns>
public virtual async Task <bool> AddOrUpdateAsync(StatVisitorEntity entity, bool IsSave)
{
return(IsSave ? await AddAsync(entity) : await UpdateAsync(entity));
}
/// <summary>
/// 增加或更新一条记录
/// </summary>
/// <param name="entity">实体模型</param>
/// <param name="IsSave">是否增加</param>
/// <returns></returns>
public virtual bool AddOrUpdate(StatVisitorEntity entity, bool IsSave)
{
return(IsSave ? Add(entity) : Update(entity));
}
