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C# JSON字符串序列化与反序列化

2014-05-20 16:18 239 查看
第一种:使用JavaScriptSerializer类,适用Web平台

C#将对象序列化成JSON字符串

using System.Web.Script;
using System.Web.Script.Serialization;

JavaScriptSerializer serializer = new JavaScriptSerializer();
foreach (DataRow dr in dt.Rows)
{
Dictionary<string, string> data = new Dictionary<string, string>();
data.Add("Dev_NO", dr["Dev_NO"].ToString());
data.Add("Dev_Name", dr["Dev_Name"].ToString());
data.Add("Ol_Phone", dr["Ol_Phone"].ToString());
data.Add("Ol_IP", dr["Ol_IP"].ToString());
data.Add("Ol_Status", dr["Ol_Status"].ToString());
list.Add(data);
}
Response.Write(serializer.Serialize(list));


输出结果为:
[{"Dev_NO":"00066666","Dev_Name":"test","Ol_Phone":"13766668888","Ol_IP":"10.196.209.174","Ol_Status":"2"},{"Dev_NO":"000F0000","Dev_Name":"test_hzlkhq","Ol_Phone":"13066668888","Ol_IP":"192.168.1.198","Ol_Status":"2"}]


如何将Json字符串转换成对象使用呢?

public class Model
    {
        public string Dev_NO { get; set; }
        public string Dev_Name { get; set; }
        public string Ol_Phone { get; set; }
        public string Ol_IP { get; set; }
        public int Ol_Status { get; set; }
    }


string requestMes="[{\"Dev_NO\":\"00066666\",\"Dev_Name\":\"test\",\"Ol_Phone\":\"13766668888\",\"Ol_IP\":\"10.196.209.174\",\"Ol_Status\":\"2\"},{\"Dev_NO\":\"000F0000\",\"Dev_Name\":\"test_hzlkhq\",\"Ol_Phone\":\"13066668888\",\"Ol_IP\":\"192.168.1.198\",\"Ol_Status\":\"2\"}]";
JavaScriptSerializer serializer = new JavaScriptSerializer();
var Json = serializer.Deserialize<List<Model>>(requestMes);


第二种使用DataContractJsonSerializer,适用通用平台

需要添加引用:System.ServiceModel.Web 和 System.Runtime.Serialization,然后使用Using:

using System.Runtime.Serialization.Json;
using System.Runtime.Serialization;

public class Model
    {
        public string Dev_NO { get; set; }
        public string Dev_Name { get; set; }
        public string Ol_Phone { get; set; }
        public string Ol_IP { get; set; }
        public int Ol_Status { get; set; }
    }


public class Test
{
public static DataTable getData()
{
var a = "{\"Dev_NO\":\"00066666\",\"Dev_Name\":\"test\",\"Ol_Phone\":\"13766668888\",\"Ol_IP\":\"10.196.209.174\",\"Ol_Status\":\"2\"}";
var serializer = new DataContractJsonSerializer(typeof(List<DTUModel>));
var mStream = new MemoryStream(Encoding.UTF8.GetBytes(a.ToString()));
List<DTUModel> list = (List<DTUModel>)serializer.ReadObject(mStream);
DataTable dt = new DataTable();
return dt;
}
}



                                            
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标签:  JSON