/// <summary>
/// 执行方法
/// </summary>
/// <param name="container">对象</param>
/// <param name="methodName">方法名</param>
/// <param name="args">实参</param>
/// <returns></returns>
public object CallMethod(object container, string methodName, object[] args)
{
if (container != null)
{
var m = GetExcuteMethodProxy(container, methodName, args);
if (m != null)
{
if (!m.IsMatchParameters)
{
args = DynamicHelpers.ChangeParameters((Dictionary <object, object>)args[0], m.Parameters);
}
for (int i = 0; i < m.Parameters.Length; i++)
{
if (m.Parameters[i] != null && args[i] != null && args[i].GetType() != m.Parameters[i].ParameterType)
{
args[i] = Convert.ChangeType(args[i], m.Parameters[i].ParameterType);
}
}
return(m.Delegate(container, args));
}
}
return(null);
}
/// <summary>
/// 调用实例方法
/// </summary>
/// <param name="container">实例对象</param>
/// <param name="methodName">方法名</param>
/// <param name="args">形参</param>
/// <returns>object</returns>
public object CallMethod(object container, string methodName, object[] args)
{
Type[] types = new Type[args.Length];
bool hasNullValue = false;
for (int i = 0; i < args.Length; i++)
{
if (args[i] != null)
{
types[i] = args[i].GetType();
}
else
{
hasNullValue = true;
}
}
Type t = container.GetType();
MethodInfo method = DynamicHelpers.GetMethod(t, methodName, types);
if (method != null)
{
//if (hasParam)
//{
// Array arr;
// if (types.Length - 1 == args.Length)
// {
// arr = null;
// }
// else
// {
// arr = Array.CreateInstance(types[types.Length - 1].GetElementType(), args.Length - types.Length + 1);
// for (int i = types.Length - 1; i < args.Length; i++)
// {
// arr.SetValue(args[i], i - (types.Length - 1));
// }
// object[] newArgs = new object[types.Length];
// for (int i = 0; i < newArgs.Length - 1; i++)
// {
// newArgs[i] = args[i];
// }
// newArgs[newArgs.Length - 1] = arr;
// return method.Invoke(container, newArgs);
// }
//}
ParameterInfo[] pi = method.GetParameters();
//处理可选参数
if (types.Length == 1 && types[0] == typeof(Dictionary <object, object>) &&
(pi.Length != 1 || !pi[0].ParameterType.IsSubclassOf(typeof(IDictionary))))
{
//实参
args = DynamicHelpers.ChangeParameters((Dictionary <object, object>)args[0], pi);
}
else if (hasNullValue)
{
for (int i = 0; i < args.Length; i++)
{
if (args[i] == null && pi[i].DefaultValue != null)
{
args[i] = pi[i].DefaultValue;
}
//else
//{
// args[i] = DefaultForType(pi[i].ParameterType);
//}
}
}
return(method.Invoke(container, args));
}
return(null);
}
