zoukankan      html  css  js  c++  java
  • json 的相互 转换

    using System.Runtime.Serialization.Json;

    //json 转化为List集合

    public List<T> JSONStringToList<T>(string strJson)
    {
    JavaScriptSerializer serializer = new JavaScriptSerializer();

    //List<T> objList = serializer.Deserialize<List<T>>(strJson);
    List<T> objList = Deserialize<List<T>>(strJson);
    return objList;
    }

    public static T Deserialize<T>(string json)
    {

    T obj = Activator.CreateInstance<T>();

    using (MemoryStream ms = new MemoryStream(Encoding.UTF8.GetBytes(json)))
    {

    DataContractJsonSerializer serializer = new DataContractJsonSerializer(obj.GetType());

    return (T)serializer.ReadObject(ms);
    }

    }

    //===================================

    /// <summary>
    /// DataTable转JsonString
    /// </summary>
    /// <param name="dt"></param>
    /// <returns></returns>
    public static string DataTableToJsonString(DataTable dt)
    {
    StringBuilder sb = new StringBuilder();
    if (dt != null && dt.Rows.Count > 0)
    {

    foreach (DataRow dr in dt.Rows)
    {
    string row = string.Empty;
    for (int i = 0; i < dt.Columns.Count; i++)
    {
    row += string.Format(","{0}":"{1}"", dt.Columns[i].ColumnName, dr[i]);
    }
    if (row.Length>0)
    {
    row = row.Remove(0, 1);

    }
    sb.AppendFormat(",{{{0}}}",row);
    }
    sb.Remove(0, 1);
    sb.Insert(0,"[");
    sb.Append("]");

    }
    return sb.ToString();
    }

  • 相关阅读:
    历届试题 大臣的旅费
    JQuery UI的拖拽功能
    JQuery UI的拖拽功能
    jQuery.extend 函数详解
    jQuery.extend 函数详解
    javax.servlet.http.httpservlet is not defined
    javax.servlet.http.httpservlet is not defined
    RESTful Web Services
    RESTful Web Services
    oracle创建一个一般用户
  • 原文地址:https://www.cnblogs.com/yangjinwang/p/4325731.html
Copyright © 2011-2022 走看看