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FrameWork/SqlSugar/ExpressionsToSql/Common/ExpressionParameter.cs

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+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Linq.Expressions;
+using System.Text;
+using System.Threading.Tasks;
+namespace SqlSugar
+{
+    public class ExpressionParameter
+    {
+        public ExpressionContext Context { get; set; }
+        public ExpressionParameter BaseParameter { get; set; }
+        public Expression BaseExpression { get; set; }
+        public Expression ChildExpression { get; set; }
+        public Expression LeftExpression { get; set; }
+        public Expression RightExpression { get; set; }
+        public Expression CurrentExpression { get; set; }
+        public string OperatorValue { get; set; }
+        public bool? IsLeft { get; set; }
+        public int Index { get; set; }
+        public bool ValueIsNull { get; set; }
+        public object CommonTempData { get; set; }
+        public ExpressionResultAppendType AppendType { get; set; }
+        public void IsAppendResult()
+        {
+            this.AppendType = ExpressionResultAppendType.AppendResult;
+        }
+        public void IsAppendTempDate()
+        {
+            this.AppendType = ExpressionResultAppendType.AppendTempDate;
+        }
+        public Expression OppsiteExpression
+        {
+            get
+            {
+                return this.IsLeft == true ? this.BaseParameter.RightExpression : this.BaseParameter.LeftExpression;
+            }
+        }
+        public bool IsSetTempData
+        {
+            get
+            {
+                return BaseParameter.CommonTempData.HasValue() && BaseParameter.CommonTempData.Equals(CommonTempDataType.Result);
+            }
+        }
+    }
+}