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129 lines
2.8 KiB
129 lines
2.8 KiB
using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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using SqlSugar;
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namespace OrmTest
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{
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public class UCustom018
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{
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public static void Init()
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{
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var db = new SqlSugarScope(new SqlSugar.ConnectionConfig()
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{
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ConnectionString = Config.ConnectionString,
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DbType = DbType.SqlServer,
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IsAutoCloseConnection = true
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});
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//建表
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if (!db.DbMaintenance.IsAnyTable("unit_Patent_License", false))
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{
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db.CodeFirst.InitTables<Patent_License>();
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}
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//建表
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if (!db.DbMaintenance.IsAnyTable("Enterprise", false))
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{
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db.CodeFirst.InitTables<UintEnterprise>();
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}
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db.DbMaintenance.TruncateTable<Patent_License, UintEnterprise>();
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db.Insertable(new Patent_License()
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{
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Id = "1",
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Licensee_Id = 1,
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Licensor_Id = 1
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}).ExecuteCommand();
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db.Insertable(new UintEnterprise()
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{
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Id = 1,
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Createtime = DateTime.Now,
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Name = ""
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}).ExecuteCommand();
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RefAsync<int> totalCount = 0;
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var data = db.Queryable<Patent_License>()
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.LeftJoin<UintEnterprise>((pl, db_licensor) => pl.Licensor_Id == db_licensor.Id)
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.LeftJoin<UintEnterprise>((pl, db_licensor, db_licensee) => pl.Licensee_Id == db_licensee.Id)
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.Select((pl, db_licensor, db_licensee) => new
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{
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License = pl,
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LicensorId = (long?)db_licensor.Id,
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LicensorName = db_licensor.Name,
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LicenseeId = (long?)db_licensee.Id,
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LicenseeName = db_licensee.Name
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})
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.ToPageListAsync(1, 2, totalCount).GetAwaiter().GetResult();
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}
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[SugarTable("unit_Patent_License")]
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public class Patent_License
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{
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[SugarColumn(ColumnName = "id", IsPrimaryKey = true)]
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public string Id { get; set; }
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[SugarColumn(ColumnName = "licensor_id")]
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public long Licensor_Id { get; set; }
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[SugarColumn(ColumnName = "licensee_id")]
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public long Licensee_Id { get; set; }
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}
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public class UintEnterprise
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{
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[SugarColumn(ColumnName = "id", IsPrimaryKey = true)]
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public long Id { get; set; }
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[SugarColumn(ColumnName = "name")]
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public string Name { get; set; }
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[SugarColumn(ColumnName = "createtime")]
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public DateTime Createtime { get; set; }
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}
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}
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}
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