前段时间使用了net.json保存对象数据。添加完成后,测试发现300多实例数据保存加载json文件,速度比原方式(BinaryFormatter)慢。但是功能加上后也懒再删掉代码了,索性就采用两种方式。怎么说两种方式也比一种多不是?^_^
测试类Student
[JsonObject(MemberSerialization.Fields)]
class Student
{
const int count = 1024;
public Student(int ID, string Name, int Age, string Sex)
{
this.ID = ID;
this.Name = Name;
this.Age = Age;
this.Sex = Sex;
buffer = new byte[count];
for (int i = 0; i < count; i++)
{
buffer[i] = (byte)i;
}
}
byte[] buffer;
int ID { get; set; }
string Name { get; set; }
int Age { get; set; }
string Sex { get; set; }
[JsonIgnore]
IntPtr hwnd;
[OnDeserialized]
private void SetValuesOnDeserialized(StreamingContext context)
{
string stringA = "I seem to be turned around!";
hwnd = System.Runtime.InteropServices.Marshal.StringToHGlobalAnsi(stringA);
}
}
测试用例
ArrayList StuModel = new ArrayList()
{
new Student(1,"王小二",18,"男"),
new Student(2,"丽丽",16,"女")
};
using (StreamWriter file = File.CreateText(@"test.json"))
{
JsonSerializer serializer = new JsonSerializer();
serializer.Serialize(file, StuModel);
}
using (StreamReader file = File.OpenText(@"test.json"))
{
JsonSerializer serializer = new JsonSerializer();
var movie2 = (ArrayList)serializer.Deserialize(file, typeof(ArrayList));
for (int i = 0; i < movie2.Count; i++)
{
movie2[i] = JsonConvert.DeserializeObject<Student>(movie2[i].ToString());
}
}
List<Student> StuModel = new List<Student>()
{
new Student(1,"王小二",18,"男"),
new Student(2,"丽丽",16,"女")
};
using (StreamWriter file = File.CreateText(@"test.json"))
{
JsonSerializer serializer = new JsonSerializer();
serializer.Serialize(file, StuModel);
}
using (StreamReader file = File.OpenText(@"test.json"))
{
JsonSerializer serializer = new JsonSerializer();
var movie2 = (List<Student>)serializer.Deserialize(file, typeof(List<Student>));
}
c# 类实例序列化反序列化json文件 (原发布 csdn 2017-10-01 20:02:12)
原文:https://www.cnblogs.com/njit-77/p/11468948.html