Update exp to sql

Src/Asp.Net/SqlSugar/ExpressionsToSql/DbMethods/DefaultDbMethod.cs

@@ -3,6 +3,7 @@ using System.Collections;
 using System.Collections.Generic;
 using System.Linq;
 using System.Text;
+using System.Text.RegularExpressions;
 using System.Threading.Tasks;
 namespace SqlSugar
 {
@@ -510,8 +511,14 @@ namespace SqlSugar
 
         public virtual string Format(MethodCallExpressionModel model)
         {
-            var str = model.Args[0].MemberValue.ObjToString();
+           
-            var array = model.Args.Skip(1).Select(it => it.IsMember?it.MemberName:it.MemberValue).ToArray();
+            var str ="'"+ model.Args[0].MemberValue.ObjToString()+"'";
+            var revalue = MergeString("'", "$1", "'");
+            str =Regex.Replace(str, @"(\{\d+?\})", revalue);
+            var array = model.Args.Skip(1).Select(it => it.IsMember?it.MemberName:it.MemberValue)
+                .Select(it=>ToString(new MethodCallExpressionModel() { Args=new List<MethodCallExpressionArgs>() {
+                 new MethodCallExpressionArgs(){ IsMember=true, MemberName=it }
+                } })).ToArray();
              return string.Format(""+str+ "", array);
         }
 

Src/Asp.Net/SqlSugar/Realization/MySql/SqlBuilder/MySqlExpressionContext.cs

@@ -1,5 +1,8 @@
 using System;
+using System.Collections.Generic;
 using System.Linq;
+using System.Text.RegularExpressions;
+
 namespace SqlSugar
 {
     public class MySqlExpressionContext : ExpressionContext, ILambdaExpressions
@@ -66,7 +69,20 @@ namespace SqlSugar
             var parameter2 = model.Args[1];
             return string.Format(" (TIMESTAMPDIFF(day,date({0}),date({1}))=0) ", parameter.MemberName, parameter2.MemberName); ;
         }
+        public virtual string Format(MethodCallExpressionModel model)
+        {
 
+            var str = "concat('" + model.Args[0].MemberValue.ObjToString() + "')";
+            str = Regex.Replace(str, @"(\{\d+?\})", "',$1,'");
+            var array = model.Args.Skip(1).Select(it => it.IsMember ? it.MemberName : it.MemberValue)
+                .Select(it => ToString(new MethodCallExpressionModel()
+                {
+                    Args = new List<MethodCallExpressionArgs>() {
+                 new MethodCallExpressionArgs(){ IsMember=true, MemberName=it }
+                }
+                })).ToArray();
+            return string.Format("" + str + "", array);
+        }
         public override string DateIsSameByType(MethodCallExpressionModel model)
         {
             var parameter = model.Args[0];