public static IResponsitryBase <T> CreateDAL <T>(DBType pp) where T : class, new()
{
IResponsitryBase <T> dal;
switch (pp)
{
case (DBType.Sql):
dataAccess = new BaseDAL <T>();
break;
case (DBType.Sql2005):
dataAccess = new SQL2005Dal <T>();
break;
case (DBType.Oracle):
dataAccess = new OracleDal <T>();
break;
case (DBType.MySql):
dataAccess = new MySqlDal <T>();
break;
default:
dataAccess = new BaseDAL <T>();
break;
}
}
/// <summary>
/// 测试mysql数据库连接
/// </summary>
/// <param name="postParam"></param>
/// <returns></returns>
public static bool TestConnect(PostParamModel postParam)
{
//获取连接字符串
string connectionString = MySqlDal.GetConnectionString(postParam);
//获取连接
MySqlConnection connection = MySqlDal.GetConnect(connectionString);
//查询sql
string sql = "select count(1)";
connection.Open();
int count = Convert.ToInt32(MySqlDal.GetSingle(connection, sql));
connection.Close();
return(count > 0);
}
public static void Main(string[] args)
{
MySqlDal dal = new MySqlDal();
// 方法一 构造函数注入
OrderService os = new OrderService(dal);
// 方法二 属性注入
os.Ida = dal;
// 方法三 接口注入
os.SetDependence(dal);
os.Add();
Console.ReadLine();
}
/// <summary>
/// 获取mysql所有表名
/// </summary>
/// <param name="postParam"></param>
/// <returns></returns>
public static List <TableModel> GetTables(PostParamModel postParam)
{
//获取连接字符串
string connectionString = MySqlDal.GetConnectionString(postParam);
//获取连接
MySqlConnection connection = MySqlDal.GetConnect(connectionString);
//查询sql
StringBuilder sql = new StringBuilder("SELECT ");
sql.Append("table_name AS TableName,table_comment AS TableComment ");
sql.Append("FROM information_schema.tables WHERE table_schema=@table_schema ");
connection.Open();
MySqlParameter[] cmdParams = { new MySqlParameter("@table_schema", postParam.Dbname) };
List <TableModel> list = MySqlDal.GetQueryData <TableModel>(connection, sql.ToString(), cmdParams, typeof(TableModel));
connection.Close();
return(list);
}
/// <summary>
/// 获得mysql数据库的所有表结构
/// </summary>
/// <param name="postParam"></param>
/// <returns></returns>
public static List <TableModel> Generation(PostParamModel postParam)
{
//获取连接字符串
string connectionString = MySqlDal.GetConnectionString(postParam);
//获取连接
MySqlConnection connection = MySqlDal.GetConnect(connectionString);
//查询sql
StringBuilder sql = new StringBuilder("SELECT ");
sql.Append("table_name AS TableName,table_comment AS TableComment ");
sql.Append("FROM information_schema.tables WHERE table_schema=@table_schema ");
sql.Append("AND table_name IN (" + postParam.Tb + ")");
MySqlParameter[] tabParams = { new MySqlParameter("@table_schema", postParam.Dbname) };
connection.Open();
List <TableModel> tabList = MySqlDal.GetQueryData <TableModel>(connection, sql.ToString(), tabParams, typeof(TableModel));
//循环赋值colList
StringBuilder colField = new StringBuilder();
colField.Append("column_name AS ColumnName,");
colField.Append("column_type AS ColumnType,");
colField.Append("column_default AS ColumnDefault,");
colField.Append("is_nullable AS IsNullable,");
colField.Append("extra AS Extra,");
colField.Append("column_key AS ColumnKey,");
colField.Append("column_comment AS ColumnComment");
//表名
string colTab = "information_schema.columns";
for (int i = 0; i < tabList.Count; i++)
{
TableModel table = tabList[i];
//查询sql
string colSql = string.Format("SELECT {0} FROM {1} WHERE table_name=@table_name", colField.ToString(), colTab);
//赋值
MySqlParameter[] cmdParams = { new MySqlParameter("@table_name", table.TableName) };
List <ColumnModel> colList = MySqlDal.GetQueryData <ColumnModel>(connection, colSql, cmdParams, typeof(ColumnModel));
table.Colums = colList;
}
connection.Close();
return(tabList);
}
