static void Main()
{
Attr.Message("IN MAIN");
func1();
//obsolete
//Attr.OLD();
//便利Rectangle的属性
Rectangle rect = new Rectangle(10, 25);
Type type = typeof(Rectangle);
foreach (Object attrs in type.GetCustomAttributes(false))
{
DeBugInfo dbi = (DeBugInfo)attrs;
if (dbi != null)
{
Console.WriteLine("BugNo:{0}, Message:{1}", dbi.BugNo, dbi.Message);
}
}
//索引
IndexTest idt = new IndexTest(5);
for (int i = 0; i < +5; ++i)
{
idt[i] = i * 10 + 1;
}
for (int i = 0; i < idt.size; ++i)
{
Console.WriteLine(idt[i]);
}
Console.WriteLine($"STRING:{idt["1"]}");
Console.ReadKey();
}
public void Test01()
{
Rectangle r = new Rectangle(4.5, 7.5);
r.Display();
Type type = typeof(Rectangle);
// 遍历 Rectangle 类的特性
foreach (Object attributes in type.GetCustomAttributes(false))
{
DeBugInfo dbi = (DeBugInfo)attributes;
if (null != dbi)
{
Console.WriteLine("Bug no: {0}", dbi.BugNo);
Console.WriteLine("Developer: {0}", dbi.Developer);
Console.WriteLine("Last Reviewed: {0}",
dbi.LastReview);
Console.WriteLine("Remarks: {0}", dbi.Message);
Console.WriteLine("============");
}
}
Console.WriteLine("-------------");
// 遍历方法特性
foreach (MethodInfo m in type.GetMethods())
{
foreach (System.Attribute a in m.GetCustomAttributes(true))
{
DeBugInfo dbi = a as DeBugInfo;
if (null != dbi)
{
Console.WriteLine("Bug no: {0}, for Method: {1}",
dbi.BugNo, m.Name);
Console.WriteLine("Developer: {0}", dbi.Developer);
Console.WriteLine("Last Reviewed: {0}",
dbi.LastReview);
Console.WriteLine("Remarks: {0}", dbi.Message);
}
else
{
Console.WriteLine("unknow: " + m + "____" + a);
}
}
}
Console.ReadLine();
}
// Start is called before the first frame update
void Start()
{
// Message(new []{"ni","hao","ma"});
// Message("gun");
//
#region 反射 特性
#region 遍历类的方法名
foreach (var m in typeof(CSharpTest).GetMethods())
{
//
// print(m.Name);
}
#endregion
#region 遍历 Rectangle 类的特性
foreach (var attribute in typeof(Rectangle).GetCustomAttributes(false))
{
DeBugInfo dbi = (DeBugInfo)attribute;
print(dbi.Developer);
}
#endregion
#region 遍历方法的特性
foreach (var method in typeof(Rectangle).GetMethods())
{
foreach (var attribute in method.GetCustomAttributes())
{
DeBugInfo deBugInfo = (DeBugInfo)attribute;
print(deBugInfo.BugNo);
}
}
#endregion
#endregion
}
public void ExeRectangle()
{
Rectangle r = new Rectangle(4.5, 7.5);
r.Display();
Type type = typeof(Rectangle);
//遍历Rectangle类的特性
foreach (var attributes in type.GetCustomAttributes(false))
{
DeBugInfo dbi = (DeBugInfo)attributes;
if (dbi != null)
{
WriteLine($"Bug no:{dbi.BugNo}");
WriteLine($"Developer:{dbi.Developer}");
WriteLine($"Last Review:{dbi.LastReview}");
WriteLine($"Remarks:{dbi.Message}");
}
}
//遍历方法特性
foreach (MethodInfo m in type.GetMethods())
{
foreach (Attribute a in m.GetCustomAttributes(true))
{
if (a is DeBugInfo)
{
DeBugInfo dbi = (DeBugInfo)a;
if (dbi != null)
{
WriteLine($"Bug no:{dbi.BugNo}");
WriteLine($"Developer:{dbi.Developer}");
WriteLine($"Last Review:{dbi.LastReview}");
WriteLine($"Remarks:{dbi.Message}");
}
}
}
}
}
static void Main(string[] args)
{
Rectangle r = new Rectangle(4.5, 7.5);
r.Display();
Type type = typeof(Rectangle);
//iterating through the attribtues of the Rectangle class
foreach (Object attributes in type.GetCustomAttributes(false))
{
DeBugInfo dbi = (DeBugInfo)attributes;
if (null != dbi)
{
Console.WriteLine("Bug no: {0}", dbi.BugNo);
Console.WriteLine("Developer: {0}", dbi.Developer);
Console.WriteLine("Last Reviewed: {0}", dbi.LastReview);
Console.WriteLine("Remarks: {0}", dbi.Message);
}
}
//iterating through the method attribtues
foreach (MethodInfo m in type.GetMethods())
{
foreach (Attribute a in m.GetCustomAttributes(true))
{
DeBugInfo dbi = a as DeBugInfo;
if (null != dbi)
{
Console.WriteLine("Bug no: {0}, for Method: {1}", dbi.BugNo, m.Name);
Console.WriteLine("Developer: {0}", dbi.Developer);
Console.WriteLine("Last Reviewed: {0}", dbi.LastReview);
Console.WriteLine("Remarks: {0}", dbi.Message);
}
}
}
Console.ReadLine();
}
public List <T> Query <T>()
{
List <T> result = new List <T>();
Type tt = typeof(T);
string table = "";
var attrs = tt.GetCustomAttributes(false);
foreach (object attr in attrs)
{
DeBugInfo dbi = (DeBugInfo)attr;
if (dbi != null)
{
table = dbi.Tablename;
}
}
string sql = $"select * from {table}";
//List<OracleParameter> paras = new List<OracleParameter>();
//paras.Add(new OracleParameter(":tname", table));
OracleDataReader dr = base.ExecuteSelect(sql, null);
DataTable dt = dr.GetSchemaTable();
Dictionary <string, string> columns = new Dictionary <string, string>();
foreach (DataRow row in dt.Rows)
{
columns.Add(row["ColumnName"].ToString().ToUpper(), row["DataType"].ToString().ToUpper());
}
string classname = Regex.Split((tt.FullName + "," + tt.Assembly.ManifestModule.Name), ".dll")[0];
Type pt = Type.GetType(classname);
while (dr.Read())
{
object ob = GetObjValueInColumns(dr, columns, pt);
result.Add((T)ob);
}
dr.Close();
return(result);
}
static void Main(string[] args)
{
Rectangle r = new Rectangle(4.5, 7.5);
r.Display();
Type type = typeof(Rectangle);
// 遍历 Rectangle 类的特性
foreach (Object attributes in type.GetCustomAttributes(false))
{
DeBugInfo dbi = (DeBugInfo)attributes;
if (null != dbi)
{
Console.WriteLine("Bug no: {0}", dbi.BugNo);
Console.WriteLine("Developer: {0}", dbi.Developer);
Console.WriteLine("Last Reviewed: {0}",
dbi.LastReview);
Console.WriteLine("Remarks: {0}", dbi.Message);
}
}
// 遍历方法特性
foreach (MethodInfo m in type.GetMethods())
{
foreach (Attribute a in m.GetCustomAttributes(true))
{
try
{
DeBugInfo dbi = (DeBugInfo)a;
if (null != dbi)
{
Console.WriteLine("Bug no: {0}, for Method: {1}",
dbi.BugNo, m.Name);
Console.WriteLine("Developer: {0}", dbi.Developer);
Console.WriteLine("Last Reviewed: {0}",
dbi.LastReview);
Console.WriteLine("Remarks: {0}", dbi.Message);
}
}
catch (Exception)
{
continue;
}
}
}
//获取类型信息
Type t = Assembly.Load("ReflactionHepler").GetType("ReflactionHepler.TestClass");
//构造器的参数
object[] constructParams = new object[] { "tummy" };
//根据类型创建对象
object dObj = Activator.CreateInstance(t, constructParams);
//获取方法的信息
MethodInfo method = t.GetMethod("GetValue");
//调用方法的一些标志位，这里的含义是Public并且是实例方法，这也是默认的值
BindingFlags flag = BindingFlags.Public | BindingFlags.Instance;
//GetValue方法的参数
object[] parameters = new object[] { "Hello" };
//调用方法，用一个object接收返回值
object returnValue = method.Invoke(dObj, flag, Type.DefaultBinder, parameters, null);
Console.WriteLine(returnValue);
TestDelegateClass objTestDelegateClass = new TestDelegateClass();
Type tTestDelegate = Assembly.Load("ReflactionHepler").GetType("ReflactionHepler.TestDelegate");
Type tTestDelegateClass = Assembly.Load("ReflactionHepler").GetType("ReflactionHepler.TestDelegateClass");
TestDelegate methodTestDelegate = (TestDelegate)Delegate.CreateDelegate(tTestDelegate, objTestDelegateClass, "GetValue");
string returnValueTestDelegate = methodTestDelegate("hello");
Console.WriteLine(returnValueTestDelegate);
PropertyInfo propertyInfo = tTestDelegateClass.GetProperty("Id");
FieldInfo fieldInfo = tTestDelegateClass.GetField("Name");
// TestDelegateClass objTestDelegateClass2=(TestDelegateClass)tTestDelegateClass.FastNew
string name1, name2;
name1 = "Jimmy Zhang";
name2 = "张子阳";
DelegateAccess.GreetPeople(name1, DelegateAccess.EnglishGreeting);
DelegateAccess.GreetPeople(name2, DelegateAccess.ChineseGreeting);
Console.ReadKey();
}
