/// <summary>
/// 生成 数据库创建表的sql语句
/// </summary>
/// <param name="path">excel路径</param>
/// <param name="entityName">实体名称</param>
/// <returns></returns>
public string Create(string path, string entityName)
{
if (string.IsNullOrWhiteSpace(path))
{
return(null);
}
Excel.ExcelReadHandler excel = new Excel.ExcelReadHandler(path);
List <string> keys = new List <string>();
List <TableInfo> tableList = excel.Read <TableInfo>(typeof(TableInfo).GetProperties().Select(s => s.Name).ToArray()).ToList();
StringBuilder sb = new StringBuilder();
sb.AppendLine($"CREATE TABLE {entityName} (");
foreach (TableInfo table in tableList)
{
if (table.IsKey == "1")
{
keys.Add(table.ColumnName);
}
sb.AppendLine($" {table.ColumnName} {table.ColumnType}{GetLength(table.ColumnLength)} {GetCharacter(table)} {GetNullable(table)} COMMENT '{table.ColumnDescription}',");
}
if (keys.Count > 0)
{
sb.AppendLine($"PRIMARY KEY ({string.Join(",", keys)}),");
}
sb = sb.Remove(sb.Length - 3, 1);
sb.AppendLine(")");
sb.AppendLine(" ENGINE=InnoDB DEFAULT CHARSET=utf8;");
return(sb.ToString());
}
/// <summary>
/// 生成 数据库创建表的sql语句
/// </summary>
/// <param name="path">excel路径</param>
/// <param name="entityName">实体名称</param>
/// <returns></returns>
public string Create(string path, string entityName)
{
if (string.IsNullOrWhiteSpace(path))
{
return(null);
}
Excel.ExcelReadHandler excel = new Excel.ExcelReadHandler(path);
List <string> keys = new List <string>();
List <TableInfo> tableList = excel.Read <TableInfo>(typeof(TableInfo).GetProperties().Select(s => s.Name).ToArray()).ToList();
StringBuilder sb = new StringBuilder();
sb.AppendLine($"CREATE TABLE [dbo].[{entityName}] (");
foreach (TableInfo table in tableList)
{
if (table.IsKey == "1")
{
keys.Add("[" + table.ColumnName + "]");
}
sb.AppendLine($" [{table.ColumnName}] {table.ColumnType}{GetLength(table.ColumnLength)} {GetSortRule(table.ColumnType)} {GetDefault(table)} {GetNullable(table)},");
}
sb = sb.Remove(sb.Length - 3, 1);
sb.AppendLine(")");
sb.AppendLine("GO");
sb.AppendLine();
sb.AppendLine($"ALTER TABLE [dbo].[{entityName}] SET (LOCK_ESCALATION = TABLE)");
sb.AppendLine("GO");
foreach (TableInfo table in tableList)
{
sb.AppendLine($@"
EXEC sp_addextendedproperty
'MS_Description', N'{table.ColumnDescription}',
'SCHEMA', N'dbo',
'TABLE', N'{entityName}',
'COLUMN', N'{table.ColumnName}'
GO");
sb.AppendLine();
}
if (keys.Count > 0)
{
sb.AppendLine($@"
ALTER TABLE [dbo].[{entityName}] ADD CONSTRAINT [PK_{entityName}] PRIMARY KEY CLUSTERED ({string.Join(",", keys)})
WITH (PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF, IGNORE_DUP_KEY = OFF, ALLOW_ROW_LOCKS = ON, ALLOW_PAGE_LOCKS = ON)
ON [PRIMARY]
GO");
}
return(sb.ToString());
}
