.net core Json字符串的序列化和反序列化通用類源碼,Newtonsoft和DataContractJsonSerializer性能對比

咱們在開發中Json傳輸數據日益廣泛,有不少關於Json字符串的序列化和反序列化的文章大多都告訴你怎麼用,可是卻不會告訴你用什麼更高效。由於有太多選擇,人們每每會陷入選擇難題。前端

相比.NET Framework有三種選擇而.net core下已經沒有JavaScriptSerializer,可是你們還有兩種選擇分別以下:git

DataContractJsonSerializergithub

Newtonsoft.Jsonjson

由於這兩個都有人用,因此我作了完整的對象轉換demo進行了測試,這裏我不只和你們講如何使用,而且還把我本身寫的一個轉換參與測試並告訴各位怎麼測試的。爲了節約開發時間,咱們把解決方案收入到一個個demo中,方便之後即拿即用。並且這些demo有博客文檔支持,幫助任何人很是容易上手開發跨平臺的.net core。隨着時間的推移,咱們的demo庫會日益強大請及時收藏GitHubasp.net

在講序列化及反序列化以前先把咱們的測試結果分享給你們,十萬數據測速比較告訴咱們Newtonsoft更高效。測試

1、首先在Common公用項目中引用Newtonsoft的類庫ui

Install-Package Newtonsoft.Json -Version 12.0.3-beta2

2、在Common公用項目中添加CommonHelper(這裏你們想要的轉換,根據須要本身拿吧)spa

#region model<->json(對象和json互轉)
        #region DataContractJsonSerializer
        public static string SerializeDataContractJson<T>(T obj)
        {
            DataContractJsonSerializer json = new DataContractJsonSerializer(obj.GetType()); using (MemoryStream stream = new MemoryStream()) { json.WriteObject(stream, obj); string szJson = Encoding.UTF8.GetString(stream.ToArray()); return szJson; } } public static T DeserializeDataContractJson<T>(string szJson) { T obj = Activator.CreateInstance<T>(); using (MemoryStream ms = new MemoryStream(Encoding.UTF8.GetBytes(szJson))) { DataContractJsonSerializer serializer = new DataContractJsonSerializer(obj.GetType()); return (T)serializer.ReadObject(ms); } } #endregion #region Newtonsoft static public string SerializeJSON<T>(T data) { return Newtonsoft.Json.JsonConvert.SerializeObject(data); } static public T DeserializeJSON<T>(string json) { return Newtonsoft.Json.JsonConvert.DeserializeObject<T>(json); } #endregion #endregion #region datatable<->json(datatable和json互轉) public static string SerializeDataTableToJSON(DataTable dt) { return Newtonsoft.Json.JsonConvert.SerializeObject(dt); } public static DataTable SerializeJSONToDataTable(string json) { return Newtonsoft.Json.JsonConvert.DeserializeObject<DataTable>(json); } #region 本身寫datatable轉json用於測試速度對比下 public static string MyDataTableToJson(DataTable dt) { StringBuilder JsonString = new StringBuilder(); if (dt != null && dt.Rows.Count > 0) { JsonString.Append("{ "); JsonString.Append("\"TableInfo\":[ "); for (int i = 0; i < dt.Rows.Count; i++) { JsonString.Append("{ "); for (int j = 0; j < dt.Columns.Count; j++) { if (j < dt.Columns.Count - 1) { JsonString.Append("\"" + dt.Columns[j].ColumnName.ToString() + "\":" + "\"" + dt.Rows[i][j].ToString() + "\","); } else if (j == dt.Columns.Count - 1) { JsonString.Append("\"" + dt.Columns[j].ColumnName.ToString() + "\":" + "\"" + dt.Rows[i][j].ToString() + "\""); } } if (i == dt.Rows.Count - 1) { JsonString.Append("} "); } else { JsonString.Append("}, "); } } JsonString.Append("]}"); return JsonString.ToString(); } else { return null; } } #endregion #endregion

 3、控制器添加Json處理相應方法(我這裏整合全部到了HomeController下的Json中了,大家不須要計時,用的時候只須要調用CommonHelper的相關方法便可).net

public IActionResult Json()
        {
            List<Article> articleList = new List<Article>(); for (int x = 0; x < 100000; x++) { Article article = new Article(); article.Context = "內容:" + x; article.Id = x + 1; article.CreateTime = DateTime.Now; article.Title = "標題:" + x; articleList.Add(article); } #region 單個對象與json互轉 Article articletest = new Article(); articletest.Context = "內容"; articletest.Id = 1; articletest.CreateTime = DateTime.Now; articletest.Title = "標題"; string json11 = CommonHelper.SerializeDataContractJson(articletest); string json12 = CommonHelper.SerializeJSON(articletest); Article article1 = CommonHelper.DeserializeDataContractJson<Article>(json11); Article article2 = CommonHelper.DeserializeJSON<Article>(json12); #endregion #region 記錄10萬對象集合與json互轉用時比較 //SerializeDataContractJson 10萬對象轉json System.Diagnostics.Stopwatch watch1 = new System.Diagnostics.Stopwatch(); watch1.Start(); //開始監視代碼運行時間 string json1 = CommonHelper.SerializeDataContractJson(articleList); TimeSpan timespan1 = watch1.Elapsed; //獲取當前實例測量得出的總時間 watch1.Stop(); //中止監視 ViewBag.t1= timespan1.TotalSeconds; //Newtonsoft 10萬對象轉json System.Diagnostics.Stopwatch watch2 = new System.Diagnostics.Stopwatch(); watch2.Start(); string json2 = CommonHelper.SerializeJSON(articleList); TimeSpan timespan2 = watch2.Elapsed; watch2.Stop(); ViewBag.t2 = timespan2.TotalSeconds; //SerializeDataContractJson 10萬json轉對象 System.Diagnostics.Stopwatch watch3 = new System.Diagnostics.Stopwatch(); watch3.Start(); List<Article> list1 = CommonHelper.DeserializeDataContractJson<List<Article>>(json1); TimeSpan timespan3 = watch3.Elapsed; watch3.Stop(); ViewBag.t3 = timespan3.TotalSeconds; //Newtonsoft 10萬json轉對象 System.Diagnostics.Stopwatch watch4 = new System.Diagnostics.Stopwatch(); watch4.Start(); List<Article> list2 = CommonHelper.DeserializeJSON<List<Article>>(json2); TimeSpan timespan4 = watch4.Elapsed; watch4.Stop(); ViewBag.t4 = timespan4.TotalSeconds; #endregion #region 記錄10萬datatable與json互轉用時比較 DataTable tblDatas = new DataTable("Datas"); DataColumn dc = null; dc = tblDatas.Columns.Add("ID", Type.GetType("System.Int32")); dc.AutoIncrement = true;//自動增長 dc.AutoIncrementSeed = 1;//起始爲1 dc.AutoIncrementStep = 1;//步長爲1 dc.AllowDBNull = false;//  dc = tblDatas.Columns.Add("Product", Type.GetType("System.String")); dc = tblDatas.Columns.Add("Version", Type.GetType("System.String")); dc = tblDatas.Columns.Add("Description", Type.GetType("System.String")); for (int x = 0; x < 100000; x++) { DataRow newRow = tblDatas.NewRow(); newRow["Product"] = "西遊記" + x; newRow["Version"] = "" + x; newRow["Description"] = x; tblDatas.Rows.Add(newRow); } //Newtonsoft 10萬DataTable轉json System.Diagnostics.Stopwatch watch5 = new System.Diagnostics.Stopwatch(); watch5.Start(); string json5 = CommonHelper.SerializeDataTableToJSON(tblDatas); TimeSpan timespan5 = watch5.Elapsed; watch5.Stop(); ViewBag.t5 = timespan5.TotalSeconds; //Newtonsoft 10萬json轉DataTable System.Diagnostics.Stopwatch watch6 = new System.Diagnostics.Stopwatch(); watch6.Start(); DataTable dataTable = CommonHelper.SerializeJSONToDataTable(json5); TimeSpan timespan6 = watch6.Elapsed; watch6.Stop(); ViewBag.t6 = timespan6.TotalSeconds; //本身寫的 10萬DataTable轉json System.Diagnostics.Stopwatch watch7 = new System.Diagnostics.Stopwatch(); watch7.Start(); string json7 = CommonHelper.MyDataTableToJson(tblDatas); TimeSpan timespan7 = watch7.Elapsed; watch7.Stop(); ViewBag.t7 = timespan7.TotalSeconds; #endregion return View(); }

4、前端設計(這裏也沒啥設計了,只是作了展現,代碼我仍是貼出來吧)pwa

    <div style="width:80%;margin:auto;text-align:center;">
        <div class="cover" style="border: 1px solid #D6D6D6;padding: 5px;">
            <h2>10萬對象與json互轉</h2>
            <span>SerializeDataContractJson:對象集合轉json(@ViewBag.t1 秒),json轉對象集合(@ViewBag.t3 秒)</span><br />
            <span>Newtonsoft:對象集合轉json(@ViewBag.t2 秒),json轉對象集合(@ViewBag.t4 秒)</span>
        </div>
        <div class="cover" style="border: 1px solid #D6D6D6;padding: 5px;">
            <h2>10萬datatable與json互轉</h2>
            <span>Newtonsoft:datatable轉json(@ViewBag.t5 秒),json轉datatable(@ViewBag.t6 秒)</span><br />
            <span>本身碼:datatable轉json(@ViewBag.t7 秒)</span>
        </div>
    </div>

5、那麼看下效果吧。

開源地址 動動小手,點個推薦吧!

注意:咱們機遇屋該項目將長期爲你們提供asp.net core各類好用demo,旨在幫助.net開發者提高競爭力和開發速度,建議儘早收藏該模板集合項目

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