-

SqlServerTest/UnitTest/ExpressionTest/Method.cs

@@ -23,6 +23,7 @@ namespace OrmTest.UnitTest
             {
 
                 //Native methods
+                ExtendContainsArray();
                 ConvetToString();
                 ExtendToString();
                 ExtendSubstring();
@@ -416,6 +417,16 @@ namespace OrmTest.UnitTest
             }, "Contains error");
         }
 
+        private void ExtendContainsArray() {
+            string[] array = new string[] { "1", "2" };
+            Expression<Func<Student, bool>> exp = it => array.Contains(it.Name);
+            SqlServerExpressionContext expContext = new SqlServerExpressionContext();
+            expContext.Resolve(exp, ResolveExpressType.WhereSingle);
+            var value = expContext.Result.GetString();
+            var pars = expContext.Parameters;
+            base.Check(value, null, "  ([Name] IN ('1','2')) ", null, "Contains2 error");
+        }
+
         private void ContainsArray()
         {
             string[] array = new string[] { "1", "2" };

SqlSugar/ExpressionsToSql/ResolveItems/MethodCallExpressionResolve.cs

@@ -15,6 +15,10 @@ namespace SqlSugar
             var isLeft = parameter.IsLeft;
             string methodName = express.Method.Name;
             var isValidNativeMethod = MethodMapping.ContainsKey(methodName)&&express.Method.DeclaringType.Namespace==("System");
+            if (!isValidNativeMethod&&express.Method.DeclaringType.Namespace== "System.Linq"&&methodName=="Contains") {
+                methodName = "ContainsArray";
+                isValidNativeMethod = true;
+            }
             if (isValidNativeMethod)
             {
                 NativeExtensionMethod(parameter, express, isLeft, MethodMapping[methodName]);
@@ -240,6 +244,7 @@ namespace SqlSugar
             { "Length","Length"},
             { "Replace","Replace"},
             { "Contains","Contains"},
+            { "ContainsArray","ContainsArray"},
             { "EndsWith","EndsWith"},
             { "StartsWith","StartsWith"},
             { "HasValue","HasValue"},