Newtonsoft.Json 序列化 排除指定字段或只序列化指定字段

using Newtonsoft.Json;

using Newtonsoft.Json.Serialization;

using System;

using System.Collections.Generic;

using System.Linq;

using System.Web;

/// <summary>

/// Summary description for LimitPropsContractResolver

/// </summary>

public class LimitPropsContractResolver : DefaultContractResolver

{

    string[] props = null;

    bool retain;

    /// <summary>

    /// 构造函数

    /// </summary>

    /// <param name="props">传入的属性数组</param>

    /// <param name="retain">true:表示props是需要保留的字段  false：表示props是要排除的字段</param>

    public LimitPropsContractResolver(string[] props, bool retain = true)

    {

        //指定要序列化属性的清单

        this.props = props;

        this.retain = retain;

    }

    protected override IList<JsonProperty> CreateProperties(Type type,

    MemberSerialization memberSerialization)

    {

        IList<JsonProperty> list =

        base.CreateProperties(type, memberSerialization);

        //只保留清单有列出的属性

        return list.Where(p =>

        {

            if (retain)

            {

                return props.Contains(p.PropertyName);

            }

            else

            {

                return !props.Contains(p.PropertyName);

            }

        }).ToList();

    }

}

　　调用代码:

var jSetting = new JsonSerializerSettings { NullValueHandling = NullValueHandling.Ignore };
string[] props = { "operationRemark", "managerCode", "checkRemark" }; //排除掉，不能让前端看到的字段。为true的话就是只保留这些字段
jSetting.ContractResolver = new LimitPropsContractResolver(props, false);

jsonStr = JsonConvert.SerializeObject(slboe, jSetting);

Newtonsoft.Json 序列化 排除指定字段或只序列化指定字段的相关教程结束。