C # Entity/Collection Difference comparison, compare two entities or collection values, dynamically assign the value of entity 2 to entity 1 (the name of the property to assign value)

 1         /// <summary> 2         ///Entity diff Comparator 3         /// </summary> 4         /// <param name= "source" >Source Version Entity</param> 5         /// <param name= "current" >Current Version Entity</param> 6         /// <returns>true existence change false not changed</returns> 7         protected Static BOOLDifferencecomparison<t1, t2> (T1 source, T2 current,list<string> Exclude)whereT1:mbasewhereT2:mbase8         { 9Type T1 =source. GetType ();TenType t2 =Current . GetType (); Onepropertyinfo[] Property1 =t1. GetProperties (); A             //exclude primary keys and underlying fields -             //list<string> exclude = new list<string> () {"Id", "Inserttime", "UpdateTime", "Deletetime", "Mark", "Vers Ion "," Code "}; -             foreach(PropertyInfo Pinchproperty1) the             { -                 stringName =P.name; -                 if(Exclude. Contains (name)) {Continue; } -                 stringvalue1 = P.getvalue (source,NULL)?. ToString (); +                 stringvalue2 = t2. GetProperty (name)?. GetValue (Current,NULL)?. ToString (); -                 if(value1! =value2) +                 { A                     return true; at                 } -             } -             return false; -         } -         /// <summary> -         ///sets the diff comparer to compare the values of two entity collections in         /// </summary> -         /// <param name= "source" >Source version Entity collection</param> to         /// <param name= "current" >Current version Entity collection</param> +         /// <returns>true existence change false not changed</returns> -         protected Static BOOLDifferencecomparison<t1, t2> (list<t1> source, list<t2> current)whereT1:mbasewhereT2:mbase the         { *             if(source. Count! = Current. Count) {return true; } $              for(inti =0; I < source. Count; i++)Panax Notoginseng             { -                 BOOLFlag =Differencecomparison (Source[i], current[i]); the                 if(flag) {returnFlag;} +             } A             return false; the         } +         /// <summary> -         ///dynamically assigns the value of entity 2 to entity 1 (the name of the property is assigned) $         /// </summary> $         /// <param name= "Model1" >entity 1</param> -         /// <param name= "Model2" >Entity 2</param> -         /// <returns>Model1 after assignment</returns> the         protected StaticT1 bindmodelvalue<t1, t2> (T1 model1, T2 Model2)whereT1:class whereT2:class -         {WuyiType T1 =Model1. GetType (); theType t2 =Model2. GetType (); -propertyinfo[] Property2 =T2. GetProperties (); Wu             //Exclude PRIMARY Key -list<string> exclude =Newlist<string> () {"Id" }; About             foreach(PropertyInfo Pinchproperty2) $             { -                 if(Exclude. Contains (P.name)) {Continue; } -T1. GetProperty (p.name)?. SetValue (Model1, P.getvalue (Model2,NULL)); -             } A             returnModel1; +}

List<string> exclude is used to exclude fields from entities that will not participate in the comparison
Transferred from: https://www.cnblogs.com/codelir/p/6856194.html

C # Entity/Collection Difference comparison, compare two entities or collection values, dynamically assign the value of entity 2 to entity 1 (the name of the property to assign value)