-

OrmTest/UnitTest/ExpressionTest/Method.cs

@@ -39,11 +39,25 @@ namespace OrmTest.UnitTest
                 DateIsSameByType();
                 DateAddDay();
                 DateAddByType();
+                DateValue();
                 #endregion
             }
             base.End("Method Test");
         }
 
+        private void DateValue()
+        {
+            var x2 = DateTime.Now;
+            Expression<Func<Student, bool>> exp = it => NBORM.DateValue(x2,DateType.Year);
+            SqlServerExpressionContext expContext = new SqlServerExpressionContext();
+            expContext.Resolve(exp, ResolveExpressType.WhereSingle);
+            var value = expContext.Result.GetString();
+            var pars = expContext.Parameters;
+            base.Check(value, pars, "  (@MethodConst1(@MethodConst0)) ", new List<SugarParameter>() {
+                new SugarParameter("@MethodConst0",x2),new SugarParameter("@MethodConst1",DateType.Year)
+            }, "StartsWith");
+        }
+
         private void StartsWith()
         {
             Expression<Func<Student, bool>> exp = it => NBORM.StartsWith(it.Name, "a");

SqlSugar/ExpressionsToSql/Method/DefaultDbMethod.cs

@@ -96,5 +96,12 @@ namespace SqlSugar
             var parameter2 = model.Args[1];
             return string.Format(" ({0} like '%'+{1}) ", parameter.Value, parameter2.Value);
         }
+
+        public object DateValue(MethodCallExpressionModel model)
+        {
+            var parameter = model.Args[0];
+            var parameter2 = model.Args[1];
+            return string.Format(" ({0}({1})) ", parameter2.Value, parameter.Value);
+        }
     }
 }

SqlSugar/ExpressionsToSql/Method/IDbMethods.cs

@@ -20,6 +20,7 @@ namespace SqlSugar
         object DateIsSameDay(MethodCallExpressionModel model);
         object DateIsSameByType(MethodCallExpressionModel model);
         object DateAddByType(MethodCallExpressionModel model);
+        object DateValue(MethodCallExpressionModel model);
         object DateAddDay(MethodCallExpressionModel model);
         object Between(MethodCallExpressionModel model);
         object StartsWith(MethodCallExpressionModel model);

SqlSugar/ExpressionsToSql/Method/NBORM.cs

@@ -13,13 +13,14 @@ namespace SqlSugar
         public static string ToUpper(object thisValue) { throw new NotImplementedException(); }
         public static string Trim(object thisValue) { throw new NotImplementedException(); }
         public static bool Contains(string thisValue, string parameterValue) {  throw new NotImplementedException();}
+        public static bool StartsWith(string thisValue, string parameterValue) { throw new NotImplementedException(); }
+        public static bool EndsWith(string thisValue, string parameterValue) { throw new NotImplementedException(); }
         public new static bool Equals(object thisValue, object parameterValue) { throw new NotImplementedException(); }
         public static bool DateIsSame(DateTime date1, DateTime date2) {  throw new NotImplementedException();}
         public static bool DateIsSame(DateTime date1, DateTime date2, DateType dataType)  { throw new NotImplementedException(); }
-        public static bool DateAdd(DateTime date1, int addValue, DateType millisecond){ throw new NotImplementedException(); }
+        public static bool DateAdd(DateTime date, int addValue, DateType millisecond){ throw new NotImplementedException(); }
-        public static bool DateAdd(DateTime date1, int addValue) { throw new NotImplementedException(); }
+        public static bool DateAdd(DateTime date, int addValue) { throw new NotImplementedException(); }
+        public static bool DateValue(DateTime date, DateType dataType) { throw new NotImplementedException(); }
         public static bool Between(object value, object start, object end){ throw new NotImplementedException();}
-        public static bool StartsWith(string thisValue, string parameterValue) { throw new NotImplementedException();}
-        public static bool EndsWith(string thisValue, string parameterValue) {throw new NotImplementedException();}
     }
 }

SqlSugar/ExpressionsToSql/ResolveItems/MethodCallExpressionResolve.cs

@@ -90,6 +90,8 @@ namespace SqlSugar
                         return this.Context.DbMehtods.DateAddDay(model);
                     else
                         return this.Context.DbMehtods.DateAddByType(model);
+                case "DateValue":
+                    return this.Context.DbMehtods.DateValue(model);
                 case "Between":
                     return this.Context.DbMehtods.Between(model);
                 case "StartsWith":