为Object新增toJson扩展方法

Falcon.SugarApi/ObjectExtend.cs

@@ -4,6 +4,7 @@ using System.ComponentModel;
 using System.Diagnostics.CodeAnalysis;
 using System.Linq;
 using System.Reflection;
+using System.Text.Json;
 
 namespace Falcon.SugarApi
 {
@@ -19,8 +20,8 @@ namespace Falcon.SugarApi
         /// <param name="source">原对象</param>
         /// <param name="target">目标对象</param>
         public static TSource CloneTo<TSource>(this TSource source,[NotNull] object target) where TSource : class {
-            _=source??throw new ArgumentNullException(nameof(source));
+            _ = source ?? throw new ArgumentNullException(nameof(source));
-            _=target??throw new ArgumentNullException(nameof(target));
+            _ = target ?? throw new ArgumentNullException(nameof(target));
             var all = from s in source.GetType().GetProperties()
                       join t in target.GetType().GetProperties() on s.Name equals t.Name
                       select new { s,t };
@@ -50,15 +51,15 @@ namespace Falcon.SugarApi
         /// <param name="targetType">目标类型</param>
         /// <returns>转换后的类型</returns>
         public static object? ChangeType(this object? source,Type targetType) {
-            if(targetType==null) {
+            if(targetType == null) {
                 throw new ArgumentNullException("targetType");
             }
-            if(source==null) {
+            if(source == null) {
                 return null;
             }
-            if(targetType.IsGenericType&&targetType.GetGenericTypeDefinition().Equals(typeof(Nullable<>))) {
+            if(targetType.IsGenericType && targetType.GetGenericTypeDefinition().Equals(typeof(Nullable<>))) {
                 NullableConverter nullableConverter = new NullableConverter(targetType);
-                targetType=nullableConverter.UnderlyingType;
+                targetType = nullableConverter.UnderlyingType;
             }
             return Convert.ChangeType(source,targetType);
         }
@@ -70,7 +71,7 @@ namespace Falcon.SugarApi
         /// <returns>对象本身</returns>
         /// <exception cref="ArgumentNullException">对象为null</exception>
         public static object? ThrowNullExceptionWhenNull(this object? obj) {
-            if(obj==null) {
+            if(obj == null) {
                 throw new ArgumentNullException();
             }
             return obj;
@@ -84,9 +85,9 @@ namespace Falcon.SugarApi
         public static IEnumerable<ExpandPropertyInfo> ExpandProperties(this object obj) {
             foreach(PropertyInfo p in obj.GetType().GetProperties()) {
                 yield return new ExpandPropertyInfo {
-                    Name=p.Name,
+                    Name = p.Name,
-                    Type=p.PropertyType,
+                    Type = p.PropertyType,
-                    Value=p.CanRead ? p.GetValue(obj) : null,
+                    Value = p.CanRead ? p.GetValue(obj) : null,
                 };
             }
         }
@@ -96,7 +97,7 @@ namespace Falcon.SugarApi
         /// </summary>
         /// <param name="obj">要测试的对象</param>
         /// <returns>True表示对象为null，否则不为null</returns>
-        public static bool IsNull([AllowNull] this object obj) => obj==null;
+        public static bool IsNull([AllowNull] this object obj) => obj == null;
 
         /// <summary>
         /// 对象是否不为null。与IsNull相反
@@ -113,7 +114,7 @@ namespace Falcon.SugarApi
         /// <exception cref="ObjectSetValueException">设置属性值引发的异常</exception>
         public static T SetPropertyValue<T>(this T obj,Func<PropertyInfo,object?,object?> getValue) where T : class {
             foreach(PropertyInfo info in obj.GetType().GetProperties()) {
-                if(info.CanWrite&&info.CanRead) {
+                if(info.CanWrite && info.CanRead) {
                     object? originalVal = info.GetValue(obj);
                     var val = getValue(info,originalVal);
                     try {
@@ -126,6 +127,20 @@ namespace Falcon.SugarApi
             }
             return obj;
         }
+
+        /// <summary>
+        /// 将对象转换为Json字符串格式
+        /// </summary>
+        /// <typeparam name="T">对象的类型</typeparam>
+        /// <param name="obj">对象</param>
+        /// <param name="OptionBuilder">转换参数</param>
+        /// <returns>转换后字符串</returns>
+        public static string ToJson<T>(this T obj,Action<JsonSerializerOptions>? OptionBuilder = null) {
+            var option = new JsonSerializerOptions();
+            OptionBuilder?.Invoke(option);
+            var ser = new JsonSerialize.JsonSerializeFactory().CreateJsonSerialize(option);
+            return ser.Serialize(obj);
+        }
     }
 
     /// <summary>
@@ -161,9 +176,9 @@ namespace Falcon.SugarApi
         /// <param name="innExceprtion">内部异常</param>
         public ObjectSetValueException(object? obj,PropertyInfo? info,object? val,Exception innExceprtion)
             : base("为目标属性设置值时引发的异常",innExceprtion) {
-            this.Obj=obj;
+            this.Obj = obj;
-            this.Property=info;
+            this.Property = info;
-            this.Value=val;
+            this.Value = val;
         }
 
         /// <summary>