扩展方法ToJSON() and ParseJSON()
更新时间:2008年03月14日 18:50:03 作者:
AJAX编程经常需要Object<=>JSON之间转换,写了二个扩展方法:
public static string ToJSON(this object obj)
public static T ParseJSON<T>(this string str)
(福利推荐:【腾讯云】服务器最新限时优惠活动,云服务器1核2G仅99元/年、2核4G仅768元/3年,立即抢购>>>:9i0i.cn/qcloud)
(福利推荐:你还在原价购买阿里云服务器?现在阿里云0.8折限时抢购活动来啦!4核8G企业云服务器仅2998元/3年,立即抢购>>>:9i0i.cn/aliyun)
使用例子:
protected void Page_Load(object sender, EventArgs e)
{
Person p = new Person
{
Name = "wuchang",
Email = "wuchangx@qq.com",
LastActive = DateTime.Now,
Arr = new string[] { "arr1", "arr2" },
Lst = new List<string>( new string[] { "lst1", "lst2" } )
};
string json = p.ToJSON();
this.TextBox1.Text = json;
Person pp = json.ParseJSON<Person>();
this.TextBox2.Text = pp.ToJSON();
}
实现
public static class JSONExtension
{
public static string ToJSON(this object obj)
{
DataContractJsonSerializer serializer = new DataContractJsonSerializer(obj.GetType());
using (MemoryStream ms = new MemoryStream())
{
serializer.WriteObject(ms, obj);
return Encoding.Default.GetString(ms.ToArray());
}
}
public static T ParseJSON<T>(this string str)
{
T obj = Activator.CreateInstance<T>();
using (MemoryStream ms = new MemoryStream(Encoding.Unicode.GetBytes(str)))
{
DataContractJsonSerializer serializer = new DataContractJsonSerializer(obj.GetType());
return (T)serializer.ReadObject(ms);
}
}
}
复制代码 代码如下:
protected void Page_Load(object sender, EventArgs e)
{
Person p = new Person
{
Name = "wuchang",
Email = "wuchangx@qq.com",
LastActive = DateTime.Now,
Arr = new string[] { "arr1", "arr2" },
Lst = new List<string>( new string[] { "lst1", "lst2" } )
};
string json = p.ToJSON();
this.TextBox1.Text = json;
Person pp = json.ParseJSON<Person>();
this.TextBox2.Text = pp.ToJSON();
}
实现
复制代码 代码如下:
public static class JSONExtension
{
public static string ToJSON(this object obj)
{
DataContractJsonSerializer serializer = new DataContractJsonSerializer(obj.GetType());
using (MemoryStream ms = new MemoryStream())
{
serializer.WriteObject(ms, obj);
return Encoding.Default.GetString(ms.ToArray());
}
}
public static T ParseJSON<T>(this string str)
{
T obj = Activator.CreateInstance<T>();
using (MemoryStream ms = new MemoryStream(Encoding.Unicode.GetBytes(str)))
{
DataContractJsonSerializer serializer = new DataContractJsonSerializer(obj.GetType());
return (T)serializer.ReadObject(ms);
}
}
}
相关文章
asp.net BasePage类+Session通用用户登录权限控制
判断用户是否登录,常用的方法就是通过Session来控制。2010-05-05
最新评论