Add demo

Src/Asp.NetCore2/SqlSeverTest/UserTestCases/UnitTest/Main.cs

@@ -34,6 +34,7 @@ namespace OrmTest
         }
         public static void Init()
         {
+            Unitsadfasysss.Init();
             Unitadfafassys.Init();
             UnitArrayNavQuery.Init();
             Unitdfasdfasfysa.Init();

Src/Asp.NetCore2/SqlSeverTest/UserTestCases/UnitTest/Unitasdfys.cs

@@ -0,0 +1,100 @@
+using System;
+using System.Collections.Generic;
+using System.Data;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using SqlSugar;
+namespace OrmTest
+{
+
+    internal class Unitsadfasysss
+    {
+        
+        public static void Init()
+        {
+            var db = NewUnitTest.Db; 
+            string password = "pws";
+
+            var user = db.Queryable<User>()
+                .WhereIF(!string.IsNullOrEmpty(password), x => x.Password == password)
+                .ToSql();
+            if (user.Value.FirstOrDefault().Value+"" != "pws-模拟加密") throw new Exception("unit error");
+        }
+        /// <summary>
+        /// 数据库加密解密实现
+        /// 用于实体、DTO
+        /// </summary>
+        public class SugarDataAesEncryptConverter : ISugarDataConverter
+        {
+            /// <summary>
+            /// 参数加密
+            /// </summary>
+            /// <param name="columnValue">列的值</param>
+            /// <param name="columnIndex">索引值</param>
+            /// <returns></returns>
+            public SugarParameter ParameterConverter<T>(object columnValue, int columnIndex)
+            {
+                /*
+                 * 问题描述：
+                 * 查询时，同个字段会执行两次自定义字段处理，导致数据库查询不到值
+                 * columnValue 是上一次处理后的值！！！
+                 */
+                return new SugarParameter($"@Column{columnIndex}", columnValue + "-模拟加密");
+            }
+
+            /// <summary>
+            /// 查询结果解密
+            /// </summary>
+            /// <typeparam name="T">字段的类型</typeparam>
+            /// <param name="dr">行值</param>
+            /// <param name="i">字段的类中索引</param>
+            /// <returns></returns>
+            public T QueryConverter<T>(IDataRecord dr, int i)
+            {
+                var value = dr.GetString(i);//字段的值
+
+                try
+                {
+                    Console.WriteLine("value," + value);
+                    return (T)(object)value.Replace("-模拟加密", "");
+                }
+                catch (Exception e)
+                {
+                    Console.WriteLine("SugarDataAesEncryptConverter.QueryConverter解密出错,返回原文！", e);
+
+                    return (T)(object)value;
+                }
+            }
+        }
+        [SugarTable(TableName = "USER")]
+        public class User
+        {
+            [SugarColumn(IsPrimaryKey = true, Length = 50)]
+            public string Id { get; set; }
+
+            /// <summary>
+            /// </summary>
+            [SugarColumn(ColumnName = "name")]
+            public string Name { get; set; }
+
+            /// <summary>
+            /// </summary>
+            [SugarColumn(ColumnName = "Email")]
+            public string Email { get; set; }
+
+            /// <summary>
+            /// SugarDataAesEncryptConverter aes加密
+            /// </summary>
+            [SugarColumn(ColumnName = "Password", SqlParameterDbType = typeof(SugarDataAesEncryptConverter))]
+            public string Password { get; set; }
+
+            [SugarColumn(ColumnName = "Remark")]
+            public string Remark { get; set; }
+
+            public string tenant_id { get; set; }
+        }
+    }
+
+
+}