protected override JsonProperty CreateProperty(MemberInfo member, MemberSerialization memberSerialization)
{
var property = base.CreateProperty(member, memberSerialization);
#if NET45
//IgnoreNull标注的字段根据IgnoreNulls设定是否序列化
var ignoreNull = member.GetCustomAttribute <JsonSetting.IgnoreNullAttribute>();
if (ignoreNull != null || IgnoreNulls)
{
property.NullValueHandling = NullValueHandling.Ignore;
}
else
{
property.NullValueHandling = NullValueHandling.Include;
}
//propertiesToIgnoreNull指定字段为Null时不序列化
if (PropertiesToIgnoreNull.Contains(member.Name))
{
property.NullValueHandling = NullValueHandling.Ignore;
}
////符合IgnoreValue标注值的字段不序列化
//var ignoreValue = member.GetCustomAttribute<JsonSetting.IgnoreValueAttribute>();
//if (ignoreValue != null)
//{
// property.DefaultValueHandling = DefaultValueHandling.Ignore;
// var t = member.DeclaringType;
// property.ShouldSerialize = instance =>
// {
// var obj = Convert.ChangeType(instance, t);
// var value = (member as PropertyInfo).GetValue(obj, null);
// return value != ignoreValue.Value;
// };
//}
//枚举序列化
var enumString = member.GetCustomAttribute <JsonSetting.EnumStringAttribute>();
if (enumString != null)
{
property.Converter = new StringEnumConverter();
//property = base.CreateProperty(member, memberSerialization);
}
#else
var customAttributes = member.GetCustomAttributes(false);
var ignoreNullAttribute = typeof(JsonSetting.IgnoreNullAttribute);
//IgnoreNull标注的字段根据IgnoreNulls设定是否序列化
if (IgnoreNulls || customAttributes.Count(o => o.GetType() == ignoreNullAttribute) == 1)
{
property.NullValueHandling = NullValueHandling.Ignore;
}
else
{
property.NullValueHandling = NullValueHandling.Include;
}
//TODO：一旦执行了 IgnoreNulls，有一些特殊的判断就可以不需要了
//PropertiesToIgnoreNull指定字段为Null时不序列化
if (PropertiesToIgnoreNull.Contains(member.Name))
{
property.NullValueHandling = NullValueHandling.Ignore;
}
//TypesToIgnoreNull特定类型字段为Null时不序列化
if (TypesToIgnoreNull.Contains(property.PropertyType))
{
//Console.WriteLine("忽略null值：" + property.PropertyType);
property.NullValueHandling = NullValueHandling.Ignore;//这样设置无效
var t = member.DeclaringType;
property.ShouldSerialize = instance =>
{
try
{
//var obj = Convert.ChangeType(instance, t);
var value = (member as PropertyInfo).GetValue(instance, null);
//跟踪测试
//Console.WriteLine("Object Value:" + value);
//Console.WriteLine("Setting Value:" + (ignoreValue as JsonSetting.IgnoreValueAttribute).Value);
//Console.WriteLine("ShouldSerialize Result:" + (!value.Equals((ignoreValue as JsonSetting.IgnoreValueAttribute).Value)));
//return value != (ignoreValue as JsonSetting.IgnoreValueAttribute).Value;
//Console.WriteLine("TypesToIgnoreNull Value：" + value);
//Console.WriteLine("TypesToIgnoreNull Value is null：" + (value == null));
return(value != null);
}
catch (Exception ex)
{
Trace.SenparcTrace.BaseExceptionLog(new Exceptions.BaseException(ex.Message, ex));
return(true);
}
};
}
//符合IgnoreValue标注值的字段不序列化
var ignoreValueAttribute = typeof(JsonSetting.IgnoreValueAttribute);
var ignoreValue = customAttributes.FirstOrDefault(o => o.GetType() == ignoreValueAttribute);
if (ignoreValue != null)
{
//property.DefaultValueHandling = DefaultValueHandling.Ignore;
var t = member.DeclaringType;
property.ShouldSerialize = instance =>
{
//var obj = Convert.ChangeType(instance, t);
var value = (member as PropertyInfo).GetValue(instance, null);
//跟踪测试
//Console.WriteLine("Object Value:" + value);
//Console.WriteLine("Setting Value:" + (ignoreValue as JsonSetting.IgnoreValueAttribute).Value);
//Console.WriteLine("ShouldSerialize Result:" + (!value.Equals((ignoreValue as JsonSetting.IgnoreValueAttribute).Value)));
//return value != (ignoreValue as JsonSetting.IgnoreValueAttribute).Value;
return(!value.Equals((ignoreValue as JsonSetting.IgnoreValueAttribute).Value));
};
}
//枚举序列化
var enumStringAttribute = typeof(JsonSetting.EnumStringAttribute);
if (customAttributes.Count(o => o.GetType() == enumStringAttribute) == 1)
{
property.Converter = new StringEnumConverter();
}
#endif
//var defaultIgnore = member.GetCustomAttribute<DefaultIgnoreAttribute>();
//if (defaultIgnore != null)
//{
// //defaultIgnore.Value == member.
//}
return(property);
}
protected override JsonProperty CreateProperty(MemberInfo member, MemberSerialization memberSerialization)
{
var property = base.CreateProperty(member, memberSerialization);
#if NET45
//IgnoreNull标注的字段根据IgnoreNulls设定是否序列化
var ignoreNull = member.GetCustomAttribute <JsonSetting.IgnoreNullAttribute>();
if (ignoreNull != null || IgnoreNulls)
{
property.NullValueHandling = NullValueHandling.Ignore;
}
else
{
property.NullValueHandling = NullValueHandling.Include;
}
//propertiesToIgnoreNull指定字段为Null时不序列化
if (PropertiesToIgnoreNull.Contains(member.Name))
{
property.NullValueHandling = NullValueHandling.Ignore;
}
////符合IgnoreValue标注值的字段不序列化
//var ignoreValue = member.GetCustomAttribute<JsonSetting.IgnoreValueAttribute>();
//if (ignoreValue != null)
//{
// property.DefaultValueHandling = DefaultValueHandling.Ignore;
// var t = member.DeclaringType;
// property.ShouldSerialize = instance =>
// {
// var obj = Convert.ChangeType(instance, t);
// var value = (member as PropertyInfo).GetValue(obj, null);
// return value != ignoreValue.Value;
// };
//}
//枚举序列化
var enumString = member.GetCustomAttribute <JsonSetting.EnumStringAttribute>();
if (enumString != null)
{
property.Converter = new StringEnumConverter();
//property = base.CreateProperty(member, memberSerialization);
}
#else
var customAttributes = member.GetCustomAttributes(false);
var ignoreNullAttribute = typeof(JsonSetting.IgnoreNullAttribute);
//IgnoreNull标注的字段根据IgnoreNulls设定是否序列化
if (IgnoreNulls || customAttributes.Count(o => o.GetType() == ignoreNullAttribute) == 1)
{
property.NullValueHandling = NullValueHandling.Ignore;
}
else
{
property.NullValueHandling = NullValueHandling.Include;
}
//propertiesToIgnoreNull指定字段为Null时不序列化
if (PropertiesToIgnoreNull.Contains(member.Name))
{
property.NullValueHandling = NullValueHandling.Ignore;
}
////符合IgnoreValue标注值的字段不序列化
//var ignoreValueAttribute = typeof(JsonSetting.IgnoreValueAttribute);
//var ignoreValue = customAttributes.FirstOrDefault(o => o.GetType() == ignoreValueAttribute);
//if (ignoreValue != null)
//{
// property.DefaultValueHandling = DefaultValueHandling.Ignore;
// var t = member.DeclaringType;
// property.ShouldSerialize = instance =>
// {
// var obj = Convert.ChangeType(instance, t);
// var value = (member as PropertyInfo).GetValue(obj, null);
// return value != (ignoreValue as JsonSetting.IgnoreValueAttribute).Value;
// };
//}
//枚举序列化
var enumStringAttribute = typeof(JsonSetting.EnumStringAttribute);
if (customAttributes.Count(o => o.GetType() == enumStringAttribute) == 1)
{
property.Converter = new StringEnumConverter();
}
#endif
//var defaultIgnore = member.GetCustomAttribute<DefaultIgnoreAttribute>();
//if (defaultIgnore != null)
//{
// //defaultIgnore.Value == member.
//}
return(property);
}