Newtonsoft. Json JsonHelper, newtonsoft. json

Newtonsoft. Json JsonHelper, newtonsoft. json

Json.net simple Encapsulation

1 using System; 2 using System. linq; 3 using Newtonsoft. json; 4 using Newtonsoft. json. serialization; 5 using System. collections. generic; 6 7 namespace TT. utilities. json 8 {9 public static class JsonHelper 10 {11 // <summary> 12 // only the field required by the serial number 13 /// </summary> 14 // <param name = "obj"> </param> 15 // <param name = "arrFiled"> </param> 16 /// <returns> </returns> 17 public static string GetPartModelJs On (object obj, string [] arrFiled) 18 {19 JsonSerializerSettings jsetting = new JsonSerializerSettings (); 20 jsetting. contractResolver = new LimitPropsContractResolver (arrFiled); 21 return JsonConvert. serializeObject (obj, Formatting. indented, jsetting ); 22} 23 24 // <summary> 25 // convert to json format 26 // </summary> 27 // <param name = "obj"> Object </param> 28 // <returns> </returns> 29 public static string GetJson (object obj) 30 {31 return JsonConvert. serializeObject (obj ); 32} 33 34 // <summary> 35 // string in json format is converted to a T-type object 36 /// </summary> 37 /// <typeparam name = "T "> type </typeparam> 38 // <param name =" json "> json string </param> 39 /// <returns> </returns> 40 public static T getModel <T> (string json) 41 {42 return JsonConvert. deserializeObject <T> (json); 43} 44 45 // <summary> 46 // deserialize the object to json attributes 47 /// </Summary> 48 // <param name = "json"> json string </param> 49 // <returns> </returns> 50 public static Newtonsoft. json. linq. JProperty DeserialJson (string json) 51 {52 return JsonConvert. deserializeObject <Newtonsoft. json. linq. JProperty> (json); 53} 54 55 // <summary> 56 // deserialize JSON to the specified anonymous object. 57 // </summary> 58 // <typeparam name = "T"> anonymous object type </typeparam> 59 // <param name = "json"> json string </param> 60 /// <Param name = "anonymousTypeObject"> anonymous object </param> 61 // call: var objClass = JsonClass. deserializeAnonymousType (obj. data. toString (), nClass [anonymous object]); 62 // <returns> anonymous object </returns> 63 public static T DeserializeAnonymousType <T> (string json, T anonymousTypeObject) 64 {65 T = JsonConvert. deserializeAnonymousType (json, anonymousTypeObject); 66 return t; 67} 68 69 public class LimitPropsContractResolver: DefaultContractResolver 70 {71 string [] props = null; 72 73 bool retain; 74 75 // <summary> 76 // constructor 77 // </summary> 78 // <param name = "props"> INPUT attribute array </ param> 79 // <param name = "retain"> true: false indicates that props is the field to be retained: indicates that props is the field to be excluded </param> 80 public LimitPropsContractResolver (string [] props, bool retain = true) 81 {82 // list of attributes to be serialized 83 this. props = props; 84 85 this. retain = retain; 86} 87 88 protected override IList <JsonProperty> CreateProperties (Type type, 89 90 MemberSerialization memberSerialization) 91 {92 IList <JsonProperty> list = 93 base. createProperties (type, memberSerialization); 94 // only the 95 return list attributes listed in the list are retained. where (p => 96 {97 if (retain) 98 {99 return props. contains (p. propertyName); 100} 101 else102 {103 return! Props. Contains (p. PropertyName); 104} 105}). ToList (); 106} 107} 108}View Code