/// <summary>
/// 初始化SqlSugar
/// </summary>
/// <returns></returns>
public static SqlSugarClient GetInstance()
{
//0-MySql、1-SqlServer、2-Sqlite、3-Oracle、4-PostgreSQL
//设置数据库类型
DbType dbtype = (DBConfigHelper.GetConfig("SqlName") ?? "SqlServer") == "SqlServer" ? DbType.SqlServer : DbType.MySql;
//获取数据库连接字符串名称
var dbdatabase = DBConfigHelper.GetConfig("SqlConn");
var connectionConfig = new ConnectionConfig();
connectionConfig.ConnectionString = DBConfigHelper.GetConfig($"ConnectionStrings:{dbdatabase}");
connectionConfig.DbType = dbtype;
connectionConfig.IsAutoCloseConnection = true;
//获取读取数据库连接组
var slaveConnectionConfigs = DBConfigHelper.GetSlaveConnectionStrings($"SlaveConnectionStrings");
//var slavelist = JsonConvert.DeserializeObject<List<SlaveConnectionConfig>>(slaveConnectionConfigs);
if (slaveConnectionConfigs != null && slaveConnectionConfigs.Count > 0)
{
connectionConfig.SlaveConnectionConfigs = slaveConnectionConfigs;
}
SqlSugarClient db = new SqlSugarClient(connectionConfig);
db.Aop.OnLogExecuting = (sql, pars) =>
{
if (!string.IsNullOrEmpty(DBConfigHelper.Evn) && DBConfigHelper.Evn != "Production")
{
Console.WriteLine(sql + "\r\n" + db.Utilities.SerializeObject(pars.ToDictionary(it => it.ParameterName, it => it.Value)));
Console.WriteLine();
}
};
return(db);
}
public static DBConfigHelper GetInstance()
{
if (instance == null)
{
lock (objLock)
{
if (instance == null)
{
instance = new DBConfigHelper();
}
}
}
return(instance);
}
/// <summary>
/// 获取所有的表
/// </summary>
/// <returns></returns>
public List <CreateCodeTable> GetAllTable()
{
using (var db = SqlSugarHelper.GetInstance())
{
var sql = string.Empty;
if (db.CurrentConnectionConfig.DbType == SqlSugar.DbType.SqlServer)
{
sql = @"SELECT * FROM INFORMATION_SCHEMA.TABLES";
}
else
{
var schema = DBConfigHelper.GetConfig("Schema");
sql = $"SELECT * FROM INFORMATION_SCHEMA.TABLES where TABLE_SCHEMA='{schema}'";
}
var entities = db.SqlQueryable <CreateCodeTable>(sql).ToList();
return(entities);
}
}
/// <summary>
/// 根据表获取列
/// </summary>
/// <param name="table"></param>
/// <returns></returns>
public List <CreateCodeFeild> GetColByTable(string table)
{
using (var db = SqlSugarHelper.GetInstance())
{
var sql = string.Empty;
if (db.CurrentConnectionConfig.DbType == SqlSugar.DbType.SqlServer)
{
sql = $"select a.COLUMN_NAME colname,case when a.COLUMN_NAME=b.COLUMN_NAME then '主键' end iskey,a.DATA_TYPE type,a.IS_NULLABLE is_null from INFORMATION_SCHEMA.COLUMNS a left join INFORMATION_SCHEMA.KEY_COLUMN_USAGE b on a.TABLE_NAME=b.TABLE_NAME where a.TABLE_NAME='{table}' ";
}
else
{
var schema = DBConfigHelper.GetConfig("Schema");
sql = $"select a.COLUMN_NAME colname,case when a.COLUMN_NAME=b.COLUMN_NAME then '主键' end iskey,a.DATA_TYPE type,a.IS_NULLABLE is_null from INFORMATION_SCHEMA.COLUMNS a left join INFORMATION_SCHEMA.KEY_COLUMN_USAGE b on a.TABLE_NAME=b.TABLE_NAME where a.TABLE_SCHEMA='{schema}' and a.TABLE_NAME='{table}'";
}
var entities = db.SqlQueryable <CreateCodeFeild>(sql).ToList();
return(entities);
}
}
/// <summary>
/// 获取数据库中的所有表和字段
/// </summary>
/// <returns></returns>
public List <CreateCodeTableField> GetDatabaseAllTable()
{
using (var db = SqlSugarHelper.GetInstance())
{
var sql = string.Empty;
if (db.CurrentConnectionConfig.DbType == SqlSugar.DbType.SqlServer)
{
sql = @"select TABLE_NAME+' [表]' name,TABLE_NAME id,null pId from INFORMATION_SCHEMA.TABLES
union all
select case when CHARACTER_MAXIMUM_LENGTH is null then COLUMN_NAME+' [字段类型:'+DATA_TYPE+']'
when CHARACTER_MAXIMUM_LENGTH is not null then COLUMN_NAME+' [字段类型:'+DATA_TYPE+'('+CONVERT(varchar(10),CHARACTER_MAXIMUM_LENGTH)+')]' end
name,TABLE_NAME+'$~'+COLUMN_NAME id,TABLE_NAME from INFORMATION_SCHEMA.COLUMNS";
}
else
{
var schema = DBConfigHelper.GetConfig("Schema");
sql = $"select Concat(TABLE_NAME,' [表]') name,TABLE_NAME id,null pId from INFORMATION_SCHEMA.TABLES where TABLE_SCHEMA='{schema}' union all select case when CHARACTER_MAXIMUM_LENGTH is null then Concat(COLUMN_NAME,' [字段类型:',DATA_TYPE,']') when CHARACTER_MAXIMUM_LENGTH is not null then Concat(COLUMN_NAME,' [字段类型:',DATA_TYPE,'(',CHARACTER_MAXIMUM_LENGTH,')]') end name,Concat(TABLE_NAME, '$~', COLUMN_NAME) id,TABLE_NAME from INFORMATION_SCHEMA.COLUMNS where TABLE_SCHEMA = '{schema}'";
}
var entities = db.SqlQueryable <CreateCodeTableField>(sql).ToList();
return(entities);
}
}