using SqlSugar; using SqlSugar.Extensions; using System; using System.Collections.Generic; using System.Reflection; using System.Text.RegularExpressions; using System.Xml.Linq; namespace OrmTest; internal class UnitBulkUpdate { public static void Init() { ConnectionConfig config = new ConnectionConfig(); config.ConfigId = 3; config.ConnectionString = Config.ConnectionString; config.DbType = DbType.Oracle; var db = new SqlSugarScope(config); try { db.Aop.OnLogExecuting = (sql, p) => { string key = "【SQL参数】:" + "\n"; foreach (var param in p) { key += $"{param.ParameterName}:{param.Value}\n"; } Console.WriteLine(string.Join("\r\n", new string[] { "--------", "【SQL语句】:" + sql, key })); }; //建表 if (!db.DbMaintenance.IsAnyTable("TempStudent", false)) { db.CodeFirst.InitTables(); } db.Deleteable().ExecuteCommand(); var list = new List(); for (int i = 0; i < 300; i++) { var info = new TempStudent() { guid = Guid.NewGuid().ToString().ToUpper(), num = i, name = "北京第" + i + "小学" }; list.Add(info); } var newlist = new List(); foreach (var item in list) { var info = new TempStudent(); info.guid = item.guid; info.num = item.num; info.name = null; newlist.Add(info); } db.Insertable(list).ExecuteCommand(); db.Fastest().BulkUpdate(newlist, new string[] { "GUID" }, new string[] { "NUM" }); db.DbMaintenance.TruncateTable(); } catch (Exception ex) { } } } /// ///消毒 /// [SugarTable("TempStudent")] public class TempStudent { public TempStudent() { } [SugarColumn(IsPrimaryKey = true)] public string guid { get; set; } public string name { get; set; } public int? num { get; set; } }