public static void create_db_tab() { MyDatabase domain = new MyDatabase(); domain.DbName = "管理"; domain.TableName = "admin"; Dictionary<string, string> columns = new Dictionary<string, string>(); columns.Add("username", "varchar(50)"); columns.Add("upass", "varchar(50)"); columns.Add("级别", "int"); domain.Columns = columns; AccessOp.CreateAccessDb(domain.DbName); AccessOp.CreateAccessTab(domain); }
public static void test_3() { MyDatabase domain = new MyDatabase(); domain.DbName = "最烂的是C#"; Console.WriteLine(domain.DbName); Console.ReadLine(); }
// 创建表 // 通过遍历map对象,获取字段名称,以及字段类型 public static bool CreateAccessTab(MyDatabase domain) { // get the database value string dbName = domain.DbName; string tableName = domain.TableName; Dictionary<string, string> columns = domain.Columns; // end get the database value // the head sql string tabSql = "create table ?(id int not null identity(1,1) primary key"; // make suer the table name tabSql = tabSql.Replace("?", tableName); // the end ")" string end = ")"; foreach(KeyValuePair<string, string> entry in columns) { string column_name = entry.Key; string column_prop = entry.Value; string catSql = ", " + column_name + " " + column_prop + " not null"; // catSql = catSql.Replace("?", column_name).Replace("?", column_prop); tabSql = tabSql + catSql; } // the created SQL has finished tabSql = tabSql + end; // connect the db OleDbConnection con = AccessOp.getCon(dbName); OleDbCommand cmd = con.CreateCommand(); cmd.Connection = con; cmd.CommandText = tabSql; try { cmd.ExecuteNonQuery(); } catch (SystemException ex) { return false; } // close the con AccessOp.closeAll(con, cmd, null); return true; }