//获取一个设置特定字段的值的委托
/// <summary>
/// 获取一个设置特定字段的值的委托
/// <para>返回结果:
/// </para>一个void ReflectSet(object obj, object value)类型的委托
/// </summary>
/// <param name="classType">需要设置字段的类</param>
/// <param name="fieldName">字段名称</param>
public static ReflectSet SetFieldValue(Type classType, string fieldName)
{
ReflectSet returnDelegate;
string cacheKey = classType.FullName + SPACE + fieldName;
if (cacheSet.TryGetValue(cacheKey, out returnDelegate))
{
return(returnDelegate);
}
ReflectSet reflectSet = null;
returnDelegate = delegate(object obj, object value) { reflectSet(obj, value); };
cacheSet.Add(cacheKey, returnDelegate);
FieldInfo fieldInfo =
classType.GetField(fieldName, EasyIL.ALLATTR); //获得属性对象FieldInfo
reflectSet = delegate(object obj, object value)
{
fieldInfo.SetValue(obj, value);
};
ThreadPool.QueueUserWorkItem(delegate(object o)
{
Type argType = typeof(object);
EasyIL il = new EasyIL(null, classType.Module, argType, argType);
ILField objField = il.CreateField(fieldInfo, il["0"]);//根据对象和属性对象 创建IL参数
objField.SetValue(il["1"].StValue());
il.Return();
reflectSet = (ReflectSet)il.CreateDelegate(typeof(ReflectSet));
});
return(returnDelegate);
}
//获取一个获取特定字段的值的委托
/// <summary>
/// 获取一个获取特定字段的值的委托
/// <para>返回结果:
/// </para>一个object ReflectGet(object obj)类型的委托
/// </summary>
/// <param name="classType">需要获取字段的类</param>
/// <param name="fieldName">字段名称</param>
public static ReflectGet GetFieldValue(Type classType, string fieldName)
{
ReflectGet returnDelegate;
string cacheKey = classType.FullName + SPACE + fieldName;
if (cacheGet.TryGetValue(cacheKey, out returnDelegate))
{
return(returnDelegate);
}
cacheGet.Add(cacheKey, returnDelegate);
FieldInfo fieldInfo = classType.GetField(fieldName, EasyIL.ALLATTR);
ReflectGet reflectGet = delegate(object obj)
{
return(fieldInfo.GetValue(obj));
};
ThreadPool.QueueUserWorkItem(delegate(object o)
{
Type returnType = typeof(object);
Type argType = typeof(object);
EasyIL il = new EasyIL(returnType, classType.Module, argType);
ILField objfield = il.CreateField(fieldInfo, il["0"]);
il.Return(objfield);
reflectGet = (ReflectGet)il.CreateDelegate(typeof(ReflectGet));
});
returnDelegate = delegate(object obj) { return(reflectGet(obj)); };
return(returnDelegate);
}
