Sqlserver数据库表转换成C#实体类
大众版
declare @TableName sysname = 'Contract_Contract' declare @Result varchar(max) = ' /// <summary> /// ' + @TableName + ' /// </summary> public class ' + @TableName + ' {' select @Result = @Result + ' '+case when t.is_nullable = 0 then '[Required]' else '' end+' [Display(Name = "' + CONVERT(NVARCHAR(500), ISNULL(ColName, '无')) +'")] public ' + ColumnType + NullableSign + ' ' + ColumnName + ' { get; set; } ' from ( SELECT replace(col.name, ' ', '_') ColumnName, column_id ColumnId, prop.value ColName,col.is_nullable, case typ.name when 'bigint' then 'long' when 'binary' then 'byte[]' when 'bit' then 'bool' when 'char' then 'string' when 'date' then 'DateTime' when 'datetime' then 'DateTime' when 'datetime2' then 'DateTime' when 'datetimeoffset' then 'DateTimeOffset' when 'decimal' then 'decimal' when 'float' then 'float' when 'image' then 'byte[]' when 'int' then 'int' when 'money' then 'decimal' when 'nchar' then 'char' when 'ntext' then 'string' when 'numeric' then 'decimal' when 'nvarchar' then 'string' when 'real' then 'double' when 'smalldatetime' then 'DateTime' when 'smallint' then 'short' when 'smallmoney' then 'decimal' when 'text' then 'string' when 'time' then 'TimeSpan' when 'timestamp' then 'DateTime' when 'tinyint' then 'byte' when 'uniqueidentifier' then 'Guid' when 'varbinary' then 'byte[]' when 'varchar' then 'string' else 'UNKNOWN_' + typ.name end ColumnType, case when col.is_nullable = 1 and typ.name in ('bigint', 'bit', 'date', 'datetime', 'datetime2', 'datetimeoffset', 'decimal', 'float', 'int', 'money', 'numeric', 'real', 'smalldatetime', 'smallint', 'smallmoney', 'time', 'tinyint', 'uniqueidentifier') then '?' else '' end NullableSign from sys.columns col join sys.types typ on col.system_type_id = typ.system_type_id AND col.user_type_id = typ.user_type_id LEFT JOIN sys.extended_properties prop ON col.object_id = prop.major_id AND col.column_id = prop.minor_id where object_id = object_id(@TableName) ) t --order by ColumnId set @Result = @Result + ' }' print @Result
MVC版
declare @TableName sysname = 'Contract_Contract' declare @Result varchar(max) = ' /// <summary> /// ' + @TableName + ' /// </summary> public class ' + @TableName + ' {' select @Result = @Result + ' '+case when t.is_nullable = 0 then '[Required]' else '' end+' [Display(Name = "' + CONVERT(NVARCHAR(500), ISNULL(ColName, '无')) +'")] public ' + ColumnType + NullableSign + ' ' + ColumnName + ' { get; set; } ' from ( SELECT replace(col.name, ' ', '_') ColumnName, column_id ColumnId, prop.value ColName,col.is_nullable, case typ.name when 'bigint' then 'long' when 'binary' then 'byte[]' when 'bit' then 'bool' when 'char' then 'string' when 'date' then 'DateTime' when 'datetime' then 'DateTime' when 'datetime2' then 'DateTime' when 'datetimeoffset' then 'DateTimeOffset' when 'decimal' then 'decimal' when 'float' then 'float' when 'image' then 'byte[]' when 'int' then 'int' when 'money' then 'decimal' when 'nchar' then 'char' when 'ntext' then 'string' when 'numeric' then 'decimal' when 'nvarchar' then 'string' when 'real' then 'double' when 'smalldatetime' then 'DateTime' when 'smallint' then 'short' when 'smallmoney' then 'decimal' when 'text' then 'string' when 'time' then 'TimeSpan' when 'timestamp' then 'DateTime' when 'tinyint' then 'byte' when 'uniqueidentifier' then 'Guid' when 'varbinary' then 'byte[]' when 'varchar' then 'string' else 'UNKNOWN_' + typ.name end ColumnType, case when col.is_nullable = 1 and typ.name in ('bigint', 'bit', 'date', 'datetime', 'datetime2', 'datetimeoffset', 'decimal', 'float', 'int', 'money', 'numeric', 'real', 'smalldatetime', 'smallint', 'smallmoney', 'time', 'tinyint', 'uniqueidentifier') then '?' else '' end NullableSign from sys.columns col join sys.types typ on col.system_type_id = typ.system_type_id AND col.user_type_id = typ.user_type_id LEFT JOIN sys.extended_properties prop ON col.object_id = prop.major_id AND col.column_id = prop.minor_id where object_id = object_id(@TableName) ) t --order by ColumnId set @Result = @Result + ' }' print @Result