namespace Yw.Service.Bimface
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{
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/// <summary>
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///
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/// </summary>
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public class DbFirstHelper
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{
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/// <summary>
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/// 初始化
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/// </summary>
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public static bool Initial(out string msg)
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{
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msg = string.Empty;
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try
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{
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var connectConfig = Yw.Bimface.ConfigHelper.DefaultConnectionConfig;
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if (connectConfig == null)
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{
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msg = "连接配置初始化失败";
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return false;
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}
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connectConfig.ConfigureExternalServices = new ConfigureExternalServices()
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{
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EntityService = (property, column) =>
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{
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//除主键外其他列都可空
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if (!column.IsPrimarykey)
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{
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column.IsNullable = true;
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}
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if (column.DataType == StaticConfig.CodeFirst_BigString)
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{
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if (BimfaceParasHelper.Bimface.DataBase.DbType == Yw.Bimface.DbType.PostgreSql)
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{
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column.DataType = "character varying";
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}
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}
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}
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};
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var typeList = new List<Type>()
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{
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typeof(Entity.BimfaceFile),
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typeof(Entity.BimfaceFileLabel),
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typeof(Entity.BimfaceFileRelation),
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typeof(Entity.BimfaceFileRelationLabel)
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};
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using (var db = new SqlSugarClient(connectConfig))
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{
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//设置字符串默认长度
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//db.CodeFirst.SetStringDefaultLength(250);
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//db.CodeFirst.SetStringDefaultLength(int.MaxValue);
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//建库：如果不存在创建数据库存在不会重复创建 createdb;注意 ：Oracle和个别国产库需不支持该方法，需要手动建库
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db.DbMaintenance.CreateDatabase();
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db.CodeFirst.InitTables
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(
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typeList.ToArray()
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);
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}
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return true;
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}
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catch (Exception ex)
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{
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msg = ex.Message;
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return false;
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}
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}
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|
|
|
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}
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}
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