Oracle SqlTest supports @

Src/Asp.Net/OracleTest/Demos/1_Query.cs

@@ -26,6 +26,13 @@ namespace OrmTest.Demo
             //StoredProcedure();
             Enum();
             Simple();
+            SqlTest();
+        }
+
+        private static void SqlTest()
+        {
+            var db = GetInstance();
+            var x = db.Ado.ExecuteCommand("select '@id' as id  from student  where id=@id",new { id=1});
         }
 
         private static void Simple()

Src/Asp.Net/SqlServerTest/Demos/2_Update.cs

@@ -64,7 +64,7 @@ namespace OrmTest.Demo
             t12.Wait();
 
             //update one columns
-            var count = db.Updateable<Student>().UpdateColumns(it => it.SchoolId == 1).Where(it => it.Id == 1).ExecuteCommand();
+            var count = db.Updateable<Student>().UpdateColumns(it => it.SchoolId == it.SchoolId+1).Where(it => it.Id == it.Id+1).ExecuteCommand();
 
 
 

Src/Asp.Net/SqlSugar/Abstract/AdoProvider/AdoProvider.cs

@@ -55,6 +55,7 @@ namespace SqlSugar
         public virtual Action<string, SugarParameter[]> LogEventStarting { get; set; }
         public virtual Action<string, SugarParameter[]> LogEventCompleted { get; set; }
         public virtual Func<string, SugarParameter[], KeyValuePair<string, SugarParameter[]>> ProcessingEventStartingSQL { get; set; }
+        protected virtual Func<string,string> FormatSql { get; set; }
         public virtual Action<Exception> ErrorEvent { get; set; }
         public virtual List<IDbConnection> SlaveConnections { get; set; }
         public virtual IDbConnection MasterConnection { get; set; }
@@ -254,6 +255,8 @@ namespace SqlSugar
         {
             try
             {
+                if (FormatSql != null) 
+                    sql = FormatSql(sql);
                 SetConnectionStart(sql);
                 if (this.ProcessingEventStartingSQL != null)
                     ExecuteProcessingSQL(ref sql, parameters);
@@ -281,6 +284,8 @@ namespace SqlSugar
         {
             try
             {
+                if (FormatSql != null)
+                    sql = FormatSql(sql);
                 SetConnectionStart(sql);
                 var isSp = this.CommandType == CommandType.StoredProcedure;
                 if (this.ProcessingEventStartingSQL != null)
@@ -307,6 +312,8 @@ namespace SqlSugar
         {
             try
             {
+                if (FormatSql != null)
+                    sql = FormatSql(sql);
                 SetConnectionStart(sql);
                 if (this.ProcessingEventStartingSQL != null)
                     ExecuteProcessingSQL(ref sql, parameters);
@@ -337,6 +344,8 @@ namespace SqlSugar
         {
             try
             {
+                if (FormatSql != null)
+                    sql = FormatSql(sql);
                 SetConnectionStart(sql);
                 if (this.ProcessingEventStartingSQL != null)
                     ExecuteProcessingSQL(ref sql, parameters);

Src/Asp.Net/SqlSugar/Realization/Oracle/OracleProvider.cs

@@ -5,12 +5,30 @@ using System.Data;
 using System.Data.SqlClient;
 using System.Linq;
 using System.Text;
+using System.Text.RegularExpressions;
 using System.Threading.Tasks;
 namespace SqlSugar
 {
     public class OracleProvider : AdoProvider
     {
-        public OracleProvider() { }
+        public OracleProvider()
+        {
+            this.FormatSql = sql =>
+            {
+                if (sql.HasValue()&&sql.Contains("@")) {
+                    var exceptionalCaseInfo = Regex.Matches(sql,@"\'.*?\@.*?\'");
+                    if (exceptionalCaseInfo != null) {
+                        foreach (var item in exceptionalCaseInfo.Cast<Match>())
+                        {
+                            sql = sql.Replace(item.Value, item.Value.Replace("@", UtilConstants.ReplaceKey));
+                        }
+                    }
+                    sql = sql .Replace("@",":");
+                    sql = sql.Replace(UtilConstants.ReplaceKey, "@");
+                }
+                return sql;
+            };
+        }
         public override string SqlParameterKeyWord
         {
             get