/// <summary>
/// 尝试获取目标对象指定属性字段的值，返回是否成功
/// </summary>
/// <param name="target">目标对象</param>
/// <param name="name"></param>
/// <param name="value"></param>
/// <returns></returns>
public static Boolean TryGetValue(Object target, String name, out Object value)
{
if (target == null)
{
throw new ArgumentNullException("target");
}
if (String.IsNullOrEmpty(name))
{
throw new ArgumentNullException("name");
}
value = null;
//尝试匹配属性
PropertyInfoX property = PropertyInfoX.Create(target.GetType(), name);
if (property != null)
{
value = property.GetValue(target);
return(true);
}
//尝试匹配字段
FieldInfoX field = FieldInfoX.Create(target.GetType(), name);
if (field != null)
{
value = field.GetValue(target);
return(true);
}
return(false);
}
/// <summary>
/// 静态快速取值
/// </summary>
/// <typeparam name="TResult"></typeparam>
/// <param name="target"></param>
/// <param name="name"></param>
/// <returns></returns>
public static object GetValue(Object target, String name)
{
if (target == null || String.IsNullOrEmpty(name))
{
return(null);
}
PropertyInfoX pix = Create(target.GetType(), name);
if (pix == null)
{
return(null);
}
return(pix.GetValue(target));
}
/// <summary>
/// 静态快速取值
/// </summary>
/// <typeparam name="TResult"></typeparam>
/// <param name="target"></param>
/// <param name="name"></param>
/// <returns></returns>
public static TResult GetValue <TResult>(Object target, String name)
{
if (target == null || String.IsNullOrEmpty(name))
{
return(default(TResult));
}
PropertyInfoX pix = Create(target.GetType(), name);
if (pix == null)
{
return(default(TResult));
}
return((TResult)pix.GetValue(target));
}
/// <summary>
///
/// </summary>
public static void Test()
{
//XTrace.WriteLog("创建类型……");
#region TypeX类型
TypeX type = TypeX.Create(typeof(FastTest));
Object obj = type.CreateInstance();
Debug.Assert(obj != null, "创建实例出错！");
obj = type.CreateInstance(123);
Debug.Assert(obj != null, "创建实例出错！");
//obj = type.CreateInstance("1234");
//Debug.Assert(obj != null, "创建实例出错！");
obj = type.CreateInstance(111, "aaa");
Debug.Assert(obj != null, "创建实例出错！");
//XTrace.WriteLog("创建值类型实例");
type = TypeX.Create(typeof(ConsoleKeyInfo));
obj = type.CreateInstance();
Debug.Assert(obj != null, "创建值类型实例出错！");
//XTrace.WriteLog("创建数组类型实例");
type = TypeX.Create(typeof(ConsoleKeyInfo[]));
obj = type.CreateInstance(5);
Debug.Assert(obj != null, "创建数组类型实例出错！");
#endregion
#region 构造函数
ConstructorInfoX ctr = ConstructorInfoX.Create(typeof(FastTest));
obj = ctr.CreateInstance();
Debug.Assert(obj != null, "创建实例出错！");
ctr = ConstructorInfoX.Create(typeof(FastTest), new Type[] { typeof(Int32) });
obj = ctr.CreateInstance(123);
Debug.Assert(obj != null, "创建实例出错！");
ctr = ConstructorInfoX.Create(typeof(FastTest), new Type[] { typeof(Int32), typeof(String) });
obj = ctr.CreateInstance(111, "aaa");
Debug.Assert(obj != null, "创建实例出错！");
#endregion
#region 字段
FieldInfoX field = FieldInfoX.Create(typeof(FastTest), "_ID");
(obj as FastTest).ID = 111;
Int32 v = (Int32)field.GetValue(obj);
Debug.Assert(v == 111, "字段取值出错！");
field.SetValue(obj, 888);
v = (Int32)field.GetValue(obj);
Debug.Assert(v == 888, "字段赋值出错！");
KeyValuePair <Int32, Int32> kv = new KeyValuePair <int, int>(123456, 222);
field = FieldInfoX.Create(kv.GetType(), "Key");
//field.SetValue(kv, 123456);
v = (Int32)field.GetValue(kv);
Debug.Assert(v == 123456, "字段取值出错！");
field = FieldInfoX.Create(typeof(FastTest), "_Name");
field.SetValue("动态赋值");
String v2 = (String)field.GetValue();
Debug.Assert(v2 == "动态赋值", "静态字段出错！");
#endregion
#region 属性
PropertyInfoX p = typeof(FastTest).GetProperty("ID");
v = (Int32)p.GetValue(obj);
Debug.Assert(v == 888, "属性取值出错！");
p.SetValue(obj, 999);
v = (Int32)p.GetValue(obj);
Debug.Assert(v == 999, "属性赋值出错！");
p = PropertyInfoX.Create(typeof(FastTest), "Name");
field.SetValue("属性动态赋值");
v2 = (String)field.GetValue();
Debug.Assert(v2 == "属性动态赋值", "静态字段出错！");
#endregion
#region 方法
MethodInfoX method = MethodInfoX.Create(typeof(FastTest), "Test2");
method.Invoke(obj);
method = typeof(FastTest).GetMethod("GetFullName");
Console.WriteLine(method.Invoke(null, 123, "abc"));
#endregion
}