C#對象轉JSON字符串和JSON字符串轉對象

C#對象轉JSON字符串和JSON字符串轉對象
 

/* 創建者：菜刀居士的博客


創建日期: 2014年09月03號
功能： Json操作
/

namespace Net.String.ConsoleApplication
 {
    using System;
    using System.Data;
    using System.Collections;
    using System.ComponentModel;
    using System.Collections.Generic;
    using System.Web.Script.Serialization;

public class JsonHelper
{
    /// <summary>
    /// 把json字符串轉成對象
    /// </summary>
    /// <typeparam name="T">對象</typeparam>
    /// <param name="data">json字符串</param>
    public static T Deserialize<T>(string data)
    {
        System.Web.Script.Serialization.JavaScriptSerializer json = new System.Web.Script.Serialization.JavaScriptSerializer();
        return json.Deserialize<T>(data);
    }

    /// <summary>
    /// 把對象轉成json字符串
    /// </summary>
    /// <param name="o">對象</param>
    /// <returns>json字符串</returns>
    public static string Serialize(object o)
    {
        System.Text.StringBuilder sb = new System.Text.StringBuilder();
        System.Web.Script.Serialization.JavaScriptSerializer json = new System.Web.Script.Serialization.JavaScriptSerializer();
        json.Serialize(o, sb);
        return sb.ToString();
    }

    /// <summary>
    /// 把DataTable對象轉成json字符串
    /// </summary>
    public string ToJson(DataTable dt)
    {
        JavaScriptSerializer javaScriptSerializer = new JavaScriptSerializer();
        ArrayList arrayList = new ArrayList();
        foreach (DataRow dataRow in dt.Rows)
        {
            Dictionary<string, object> dictionary = new Dictionary<string, object>();
            foreach (DataColumn dataColumn in dt.Columns)
            {
                dictionary.Add(dataColumn.ColumnName, dataRow[dataColumn.ColumnName]);
            }
            arrayList.Add(dictionary);
        }
        return javaScriptSerializer.Serialize(arrayList);
    }
}

public static class EnumerableExtension
{
    /// <summary>
    /// 集合添加一個對象
    /// </summary>
    public static IEnumerable<T> Add<T>(this IEnumerable<T> e, T value)
    {
        foreach (var cur in e)
        { yield return cur; }
        yield return value;
    }

    /// <summary>
    /// 把集合轉成DataTable
    /// </summary>
    public static DataTable ConvertToDataTable<T>(this IEnumerable<T> enumerable)
    {
        var dataTable = new DataTable();
        foreach (PropertyDescriptor pd in TypeDescriptor.GetProperties(typeof(T)))
        {
            dataTable.Columns.Add(pd.Name, pd.PropertyType);
        }
        foreach (T item in enumerable)
        {
            var Row = dataTable.NewRow();

            foreach (PropertyDescriptor dp in TypeDescriptor.GetProperties(typeof(T)))
            {
                Row[dp.Name] = dp.GetValue(item);
            }
            dataTable.Rows.Add(Row);
        }
        return dataTable;
    }
}

}</pre>