/// <summary>
/// 创建一个新的数据库
/// </summary>
/// <param name="database"></param>
/// <param name="description"></param>
/// <returns></returns>
public override bool CreateDatabase(string database, ref string description)
{
description = "";
if (!VaildStringParameters(ref description, database))
{
return(false);
}
database = database.Trim();
if (!database.StartsWith("[", StringComparison.Ordinal) || !database.EndsWith("]", StringComparison.Ordinal))
{
database = "[" + database + "]";
}
if (!Open(ref description))
{
description = "数据库打开出错！";
return(false);
}
DatabaseFactory.MSSQL mssql = new DatabaseFactory.MSSQL(this.ConnectionString);
int result = mssql.ExecuteNonQuery("create database " + database + ";");
Close();
//测试证明-1已经创建成功了
if (result < -1)
{
description = "数据库指令执行发生错误1，返回值是 " + result.ToString() + "|" + "create database " + database + "|" + this.ConnectionString;
return(false);
}
return(true);
}
/// <summary>
/// 修改用户密码
/// </summary>
/// <param name="user"></param>
/// <param name="oldPassword"></param>
/// <param name="newPassword"></param>
/// <param name="description"></param>
/// <returns></returns>
public override bool EditUserPassword(string user, string oldPassword, string newPassword, ref string description)
{
description = "";
if (!VaildStringParameters(ref description, user, oldPassword, newPassword))
{
return(false);
}
if (!Open(ref description))
{
return(false);
}
string sql = string.Format("exec sp_password '{0}', '{1}', '{2}';",
(string.IsNullOrEmpty(oldPassword) ? "NULL" : oldPassword), newPassword, user);
DatabaseFactory.MSSQL mssql = new DatabaseFactory.MSSQL(this.ConnectionString);
//int result =Shove . Database.MSSQL.ExecuteNonQuery((SqlConnection)this.conn,
// string.Format("exec sp_password '{0}', '{1}', '{2}'",
// (string.IsNullOrEmpty(oldPassword) ? "NULL" : oldPassword), newPassword, user));
int result = mssql.ExecuteNonQuery(sql);
if (result < -1)//-1时已经成功
{
description = "数据库指令执行发生错误3，返回值是 " + result.ToString() + "||" + sql;
return(false);
}
return(true);
}
/// <summary>
/// 物理移除数据库
/// </summary>
/// <param name="database"></param>
/// <param name="user"></param>
/// <param name="description"></param>
/// <returns></returns>
public override bool RemoveDatabase(string database, string user, ref string description)
{
description = "";
if (!VaildStringParameters(ref description, database, user))
{
return(false);
}
database = database.Trim();
if (!database.StartsWith("[", StringComparison.Ordinal) || !database.EndsWith("]", StringComparison.Ordinal))
{
database = "[" + database + "]";
}
if (!Open(ref description))
{
return(false);
}
string sql = string.Format(@"use {0}
EXEC sp_revokedbaccess N'{1}'
EXEC sp_droplogin N'{2}'
use master
ALTER DATABASE {3} SET SINGLE_USER with ROLLBACK IMMEDIATE
DROP DATABASE {4}", database, user, user, database, database);
DatabaseFactory.MSSQL mssql = new DatabaseFactory.MSSQL(this.ConnectionString);
int result = mssql.ExecuteNonQuery(sql);
Close();
if (result < 0)
{
description = "移除数据库出现错误，返回值是 " + result.ToString();
return(false);
}
return(true);
}
