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标题: C#创建泛型对象实例

作者: dnawo

日期: 2014-07-23 02:47 PM

分类: Win编程

内容: 复制内容到剪贴板 程序代码using System;
using System.Collections.Specialized;
using System.Reflection;
using System.Web;
namespace ConsoleApplication1
{
class Program
{
static void Main(string[] args)
{
Person person = CreateInstance<Person>("name=dnawo&age=20&birthday=2014-07-23");
Console.WriteLine("{0},{1},{2}", person.Name, person.Age, person.Birthday);
Console.ReadKey();
}
/// <summary>
/// 创建泛型实例
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="data"></param>
/// <returns></returns>
static T CreateInstance<T>(string data) where T : class
{
T result = Activator.CreateInstance<T>();
NameValueCollection nv = HttpUtility.ParseQueryString(data);
PropertyInfo[] properties = typeof(T).GetProperties();
foreach (PropertyInfo prop in properties)
{
string name = prop.PropertyType.Name;
string value = nv[prop.Name];
if (value != null)
{
if (name == typeof(string).Name)
{
prop.SetValue(result, value, null);
}
else if (name == typeof(int).Name)
{
prop.SetValue(result, int.Parse(value), null);
}
else if (name == typeof(DateTime).Name)
{
prop.SetValue(result, DateTime.Parse(value), null);
}
}
}
return result;
}
}
public class Person
{
public string Name { get; set; }
public int Age { get; set; }
public DateTime Birthday { get; set; }
}
}

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