Beispiel #1
0
        private void OpenDbSource(string connectionStr, bool addToList = true)
        {
            ConnectionModel connectionModel = ConnectionUtils.GetConnectionModel(connectionStr);

            if (null == connectionModel)
            {
                MessageBox.Show("打开数据库失败,连接为:" + connectionStr);
                return;
            }

            DatabaseListBox.ItemsSource = null;
            TableListBox.ItemsSource    = null;
            MessageTxtBox.Text          = null;

            try
            {
                string connectIp   = connectionModel.RemoteIp;
                int    connectPort = connectionModel.Port;
                string userName    = connectionModel.UserName;
                string userPass    = connectionModel.UserPass;

                string dbSourceStr =
                    $"Data Source={connectIp};User Id={userName};Password={userPass};pooling=false;CharSet=utf8;port={connectPort}";

                List <string> databaseNames = new List <string>();

                // 打开之前先关闭已经打开的连接
                CloseMysqlConnection();


                _mySqlConnection = MysqlUtil.GetMySqlConnection(dbSourceStr);
                var sqlCmd = MysqlUtil.GetSqlCommand("show databases;", _mySqlConnection);
                _mySqlConnection.Open();

                try
                {
                    using (MySqlDataReader mySqlDataReader = sqlCmd.ExecuteReader())
                    {
                        while (mySqlDataReader.Read())
                        {
                            if (mySqlDataReader.HasRows)
                            {
                                string tableName = mySqlDataReader.GetString(0);
                                databaseNames.Add(tableName);
                            }
                        }
                    }
                }
                catch (Exception e)
                {
                    MessageBox.Show("打开数据库失败," + e.Message);
                    return;
                }


                _tableList = databaseNames;
                DatabaseListBox.ItemsSource = _tableList; // 显示数据库列表
            }
            catch (Exception e)
            {
                MessageBox.Show("连接数据库失败,错误信息:" + e.Message);
                return;
            }

            // 添加进列表(使用打开功能的话就加,listbox的selectionChanged就不加)
            if (addToList)
            {
                ConnectionUtils.AddConnection(connectionStr);

                LoadConnectionList();
            }
        }