public static string GetConnectionKey(IDbConnection cnn)
{
if (string.IsNullOrEmpty(cnn.Database))
{
//二级缓存数据库链接字符键值
string key = GetKey(cnn.ConnectionString);
if (!string.IsNullOrEmpty(key))
{
return(key);
}
else
{
ConnectionStringSet set = GetConnectionStringSet(cnn.ConnectionString);
if (set != null)
{
string dbName = set.UniqueKey;
SetKey(cnn.ConnectionString, dbName);
return(dbName);
}
}
return(cnn.ConnectionString);
}
else
{
return(cnn.Database);
}
}
public static ConnectionStringSet GetConnectionStringSet(string connStr)
{
ConnectionStringSet set;
if (!SetPool.TryGetValue(connStr, out set))
{
string[] result = connStr.Split(new string[] { ";" }, StringSplitOptions.RemoveEmptyEntries);
set = new ConnectionStringSet();
foreach (string item in result)
{
if (!string.IsNullOrEmpty(item))
{
string[] block = item.Split('=');
if (block.Length >= 2)
{
set.Items.Add(block[0].ToUpper(), block[1]);
}
}
}
SetPool[connStr] = set;
}
return(set);
}