diff --git a/ProjectExcavator/ProjectExcavator/AbstractStrategy.cs b/ProjectExcavator/ProjectExcavator/AbstractStrategy.cs
new file mode 100644
index 0000000..f33ed01
--- /dev/null
+++ b/ProjectExcavator/ProjectExcavator/AbstractStrategy.cs
@@ -0,0 +1,134 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+
+namespace ProjectExcavator.MovementStrategy
+{
+ ///
+ /// Класс-стратегия перемещения объекта
+ ///
+ public abstract class AbstractStrategy
+ {
+ ///
+ /// Перемещаемый объект
+ ///
+ private IMoveableObject? _moveableObject;
+ ///
+ /// Статус перемещения
+ ///
+ private Status _state = Status.NotInit;
+ ///
+ /// Ширина поля
+ ///
+ protected int FieldWidth { get; private set; }
+ ///
+ /// Высота поля
+ ///
+ protected int FieldHeight { get; private set; }
+ ///
+ /// Статус перемещения
+ ///
+ public Status GetStatus() { return _state; }
+ ///
+ /// Установка данных
+ ///
+ /// Перемещаемый объект
+ /// Ширина поля
+ /// Высота поля
+ public void SetData(IMoveableObject moveableObject, int width, int height)
+ {
+ if (moveableObject == null)
+ {
+ _state = Status.NotInit;
+ return;
+ }
+ _state = Status.InProgress;
+ _moveableObject = moveableObject;
+ FieldWidth = width;
+ FieldHeight = height;
+ }
+ ///
+ /// Шаг перемещения
+ ///
+ public void MakeStep()
+ {
+ if (_state != Status.InProgress)
+ {
+ return;
+ }
+ if (IsTargetDestination())
+ {
+ _state = Status.Finish;
+ return;
+ }
+ MoveToTarget();
+ }
+ ///
+ /// Перемещение влево
+ ///
+ /// Результат перемещения (true - удалось переместиться, false - неудача)
+ protected bool MoveLeft() => MoveTo(DirectionType.Left);
+ ///
+ /// Перемещение вправо
+ ///
+ /// Результат перемещения (true - удалось переместиться, false - неудача)
+ protected bool MoveRight() => MoveTo(DirectionType.Right);
+ ///
+ /// Перемещение вверх
+ ///
+ /// Результат перемещения (true - удалось переместиться, false - неудача)
+ protected bool MoveUp() => MoveTo(DirectionType.Up);
+ ///
+ /// Перемещение вниз
+ ///
+ /// Результат перемещения (true - удалось переместиться, false - неудача)
+ protected bool MoveDown() => MoveTo(DirectionType.Down);
+ ///
+ /// Параметры объекта
+ ///
+ protected ObjectParameters? GetObjectParameters => _moveableObject?.GetObjectPosition;
+ ///
+ /// Шаг объекта
+ ///
+ ///
+ protected int? GetStep()
+ {
+ if (_state != Status.InProgress)
+ {
+ return null;
+ }
+ return _moveableObject?.GetStep;
+ }
+ ///
+ /// Перемещение к цели
+ ///
+ protected abstract void MoveToTarget();
+ ///
+ /// Достигнута ли цель
+ ///
+ ///
+ protected abstract bool IsTargetDestination();
+ ///
+ /// Попытка перемещения в требуемом направлении
+ ///
+ /// Направление
+ /// Результат попытки (true - удалось переместиться, false - неудача)
+ private bool MoveTo(DirectionType directionType)
+ {
+ if (_state != Status.InProgress)
+ {
+ return false;
+ }
+ if (_moveableObject?.CheckCanMove(directionType) ?? false)
+ {
+ _moveableObject.MoveObject(directionType);
+ return true;
+ }
+ return false;
+ }
+
+ }
+}
diff --git a/ProjectExcavator/ProjectExcavator/DrawningExcavarorBodyKits.cs b/ProjectExcavator/ProjectExcavator/DrawningExcavarorBodyKits.cs
index 7271fda..79f4a78 100644
--- a/ProjectExcavator/ProjectExcavator/DrawningExcavarorBodyKits.cs
+++ b/ProjectExcavator/ProjectExcavator/DrawningExcavarorBodyKits.cs
@@ -43,8 +43,9 @@ namespace ProjectExcavator.DrawningObjects
//ыспомогательные опоры
if (excavator.BodyKit)
{
-
+ g.FillRectangle(additionalBrush, _startPosX + 20, _startPosY + 100, 110, 10);
}
+ //отрисовка базы экскаватора
base.DrawTransport(g);
//ковш
if (excavator.Bucket)
diff --git a/ProjectExcavator/ProjectExcavator/DrawningExcavator.cs b/ProjectExcavator/ProjectExcavator/DrawningExcavator.cs
index e5e90d3..76870f1 100644
--- a/ProjectExcavator/ProjectExcavator/DrawningExcavator.cs
+++ b/ProjectExcavator/ProjectExcavator/DrawningExcavator.cs
@@ -32,11 +32,26 @@ namespace ProjectExcavator.DrawningObjects
///
/// Ширина прорисовки автомобиля
///
- protected readonly int _excavatorWidth = 100;
+ protected readonly int _excavatorWidth = 150;
///
/// Высота прорисовки автомобиля
///
- protected readonly int _excavatorHeight = 55;
+ protected readonly int _excavatorHeight = 155;
+ ///
+ /// Координата X объекта
+ ///
+ public int GetPosX => _startPosX;
+ ///
+ /// Координата Y объекта
+ ///
+ public int GetPosY => _startPosY;
+ /// Ширина объекта
+ ///
+ public int GetWidth => _excavatorWidth;
+ ///
+ /// Высота объекта
+ ///
+ public int GetHeight => _excavatorHeight;
///
/// Конструктор
///
@@ -87,12 +102,36 @@ namespace ProjectExcavator.DrawningObjects
_startPosY = y;
}
///
+ /// Проверка, что объект может переместится по указанному направлению
+ ///
+ /// Направление
+ /// true - можно переместится по указанному направлению
+ public bool CanMove(DirectionType direction)
+ {
+ if(EntityExcavator == null)
+ {
+ return false;
+ }
+ return direction switch
+ {
+ //влево
+ DirectionType.Left => _startPosX - EntityExcavator.Step >0,
+ //вверх
+ DirectionType.Up => _startPosY - EntityExcavator.Step > -50,
+ //вправо
+ DirectionType.Right => _startPosX + EntityExcavator.Step < _pictureWidth - _excavatorWidth,
+ //вниз
+ DirectionType.Down => _startPosY + EntityExcavator.Step < _pictureHeight - _excavatorHeight,
+ _ => false,
+ };
+ }
+ ///
/// Изменение направления перемещения
///
/// Направление
public void MoveTransport(DirectionType direction)
{
- if (EntityExcavator == null)
+ if (!CanMove(direction) || EntityExcavator == null)
{
return;
}
@@ -100,31 +139,19 @@ namespace ProjectExcavator.DrawningObjects
{
//влево
case DirectionType.Left:
- if (_startPosX - EntityExcavator.Step > 0)
- {
- _startPosX -= (int)EntityExcavator.Step;
- }
+ _startPosX -= (int)EntityExcavator.Step;
break;
//вверх
case DirectionType.Up:
- if (_startPosY - EntityExcavator.Step > 0)
- {
- _startPosY -= (int)EntityExcavator.Step;
- }
+ _startPosY -= (int)EntityExcavator.Step;
break;
// вправо
case DirectionType.Right:
- if (_startPosX + EntityExcavator.Step < _pictureWidth - _excavatorWidth)
- {
- _startPosX += (int)EntityExcavator.Step;
- }
+ _startPosX += (int)EntityExcavator.Step;
break;
//вниз
case DirectionType.Down:
- if (_startPosY + EntityExcavator.Step < _pictureHeight - _excavatorHeight)
- {
- _startPosY += (int)EntityExcavator.Step;
- }
+ _startPosY += (int)EntityExcavator.Step;
break;
}
}
diff --git a/ProjectExcavator/ProjectExcavator/DrawningObjectExcavator.cs b/ProjectExcavator/ProjectExcavator/DrawningObjectExcavator.cs
new file mode 100644
index 0000000..5465b87
--- /dev/null
+++ b/ProjectExcavator/ProjectExcavator/DrawningObjectExcavator.cs
@@ -0,0 +1,40 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using ProjectExcavator.DrawningObjects;
+
+namespace ProjectExcavator.MovementStrategy
+{
+ ///
+ /// Реализация интерфейса IDrawningObject для работы с объектом DrawningCar (паттерн Adapter)
+ ///
+ public class DrawningObjectExcavator : IMoveableObject
+ {
+ private readonly DrawningExcavator? _drawningExcavator = null;
+ public DrawningObjectExcavator(DrawningExcavator drawningExcavator)
+ {
+ _drawningExcavator = drawningExcavator;
+ }
+ public ObjectParameters? GetObjectPosition
+ {
+ get
+ {
+ if(_drawningExcavator == null || _drawningExcavator.EntityExcavator == null)
+ {
+ return null;
+ }
+ return new ObjectParameters(_drawningExcavator.GetPosX,
+ _drawningExcavator.GetPosY,
+ _drawningExcavator.GetWidth,
+ _drawningExcavator.GetHeight);
+ }
+ }
+ public int GetStep => (int)(_drawningExcavator?.EntityExcavator?.Step ?? 0);
+
+ public bool CheckCanMove(DirectionType direction) =>_drawningExcavator?.CanMove(direction) ?? false;
+
+ public void MoveObject(DirectionType direction) => _drawningExcavator?.MoveTransport(direction);
+ }
+}
diff --git a/ProjectExcavator/ProjectExcavator/EntityExcavatorBodyKits.cs b/ProjectExcavator/ProjectExcavator/EntityExcavatorBodyKits.cs
index d9f7403..2994917 100644
--- a/ProjectExcavator/ProjectExcavator/EntityExcavatorBodyKits.cs
+++ b/ProjectExcavator/ProjectExcavator/EntityExcavatorBodyKits.cs
@@ -4,6 +4,8 @@ using System.Linq;
using System.Net.NetworkInformation;
using System.Text;
using System.Threading.Tasks;
+using ProjectExcavator.Entities;
+
namespace ProjectExcavator.Entities
{
@@ -38,7 +40,7 @@ namespace ProjectExcavator.Entities
Color bodyColor,
Color additionalColor,
bool bodyKit,
- bool bucket)
+ bool bucket) : base(speed, weight, bodyColor)
{
AdditionalColor = additionalColor;
BodyKit = bodyKit;
diff --git a/ProjectExcavator/ProjectExcavator/ExcavatorForm.Designer.cs b/ProjectExcavator/ProjectExcavator/ExcavatorForm.Designer.cs
index e7b1f13..39c5858 100644
--- a/ProjectExcavator/ProjectExcavator/ExcavatorForm.Designer.cs
+++ b/ProjectExcavator/ProjectExcavator/ExcavatorForm.Designer.cs
@@ -34,6 +34,9 @@
buttonUp = new Button();
buttonLeft = new Button();
buttonRight = new Button();
+ comboBoxStrategy = new ComboBox();
+ buttonCreateExcavatorBodyKits = new Button();
+ buttonStep = new Button();
((System.ComponentModel.ISupportInitialize)pictureBoxExcavator).BeginInit();
SuspendLayout();
//
@@ -50,11 +53,11 @@
// buttonCreate
//
buttonCreate.Anchor = AnchorStyles.Bottom | AnchorStyles.Left;
- buttonCreate.Location = new Point(12, 415);
+ buttonCreate.Location = new Point(12, 397);
buttonCreate.Name = "buttonCreate";
- buttonCreate.Size = new Size(75, 23);
+ buttonCreate.Size = new Size(155, 41);
buttonCreate.TabIndex = 1;
- buttonCreate.Text = "Создать";
+ buttonCreate.Text = "Создать простой экскаватор";
buttonCreate.UseVisualStyleBackColor = true;
buttonCreate.Click += buttonCreate_Click;
//
@@ -106,11 +109,44 @@
buttonRight.UseVisualStyleBackColor = true;
buttonRight.Click += buttonMove_Click;
//
+ // comboBoxStrategy
+ //
+ comboBoxStrategy.DropDownStyle = ComboBoxStyle.DropDownList;
+ comboBoxStrategy.FormattingEnabled = true;
+ comboBoxStrategy.Items.AddRange(new object[] { "0", "1" });
+ comboBoxStrategy.Location = new Point(667, 12);
+ comboBoxStrategy.Name = "comboBoxStrategy";
+ comboBoxStrategy.Size = new Size(121, 23);
+ comboBoxStrategy.TabIndex = 6;
+ //
+ // buttonCreateExcavatorBodyKits
+ //
+ buttonCreateExcavatorBodyKits.Location = new Point(173, 397);
+ buttonCreateExcavatorBodyKits.Name = "buttonCreateExcavatorBodyKits";
+ buttonCreateExcavatorBodyKits.Size = new Size(145, 41);
+ buttonCreateExcavatorBodyKits.TabIndex = 7;
+ buttonCreateExcavatorBodyKits.Text = "Создать Экскаватор с обвесами";
+ buttonCreateExcavatorBodyKits.UseVisualStyleBackColor = true;
+ buttonCreateExcavatorBodyKits.Click += buttonCreateExcavatorBodyKits_Click;
+ //
+ // buttonStep
+ //
+ buttonStep.Location = new Point(713, 41);
+ buttonStep.Name = "buttonStep";
+ buttonStep.Size = new Size(75, 23);
+ buttonStep.TabIndex = 8;
+ buttonStep.Text = "Шаг";
+ buttonStep.UseVisualStyleBackColor = true;
+ buttonStep.Click += buttonStep_Click;
+ //
// ExcavatorForm
//
AutoScaleDimensions = new SizeF(7F, 15F);
AutoScaleMode = AutoScaleMode.Font;
ClientSize = new Size(800, 450);
+ Controls.Add(buttonStep);
+ Controls.Add(buttonCreateExcavatorBodyKits);
+ Controls.Add(comboBoxStrategy);
Controls.Add(buttonRight);
Controls.Add(buttonLeft);
Controls.Add(buttonUp);
@@ -133,5 +169,8 @@
private Button buttonUp;
private Button buttonLeft;
private Button buttonRight;
+ private ComboBox comboBoxStrategy;
+ private Button buttonCreateExcavatorBodyKits;
+ private Button buttonStep;
}
}
\ No newline at end of file
diff --git a/ProjectExcavator/ProjectExcavator/ExcavatorForm.cs b/ProjectExcavator/ProjectExcavator/ExcavatorForm.cs
index 6b7455f..c8a16f1 100644
--- a/ProjectExcavator/ProjectExcavator/ExcavatorForm.cs
+++ b/ProjectExcavator/ProjectExcavator/ExcavatorForm.cs
@@ -1,3 +1,6 @@
+using ProjectExcavator.DrawningObjects;
+using ProjectExcavator.MovementStrategy;
+
namespace ProjectExcavator
{
public partial class ExcavatorForm : Form
@@ -7,6 +10,10 @@ namespace ProjectExcavator
///
private DrawningExcavator? _drawnigExcavator;
///
+ ///
+ ///
+ private AbstractStrategy? _abstractStrategy;
+ ///
///
///
public ExcavatorForm()
@@ -41,17 +48,12 @@ namespace ProjectExcavator
private void buttonCreate_Click(object sender, EventArgs e)
{
Random random = new();
- _drawnigExcavator = new DrawningExcavator();
- _drawnigExcavator.Init(random.Next(100, 300),
+ _drawnigExcavator = new DrawningExcavator(
+ random.Next(100, 300),
random.Next(1000, 3000),
Color.FromArgb(random.Next(0, 256), random.Next(0, 256), random.Next(0, 256)),
- Color.FromArgb(random.Next(0, 256), random.Next(0, 256), random.Next(0, 256)),
- Convert.ToBoolean(random.Next(0, 2)),
- Convert.ToBoolean(random.Next(0, 2)),
pictureBoxExcavator.Width,
pictureBoxExcavator.Height);
- _drawnigExcavator.SetPosition(random.Next(10, 100),
- random.Next(10, 100));
Draw();
}
private void buttonMove_Click(object sender, EventArgs e)
@@ -78,5 +80,56 @@ namespace ProjectExcavator
}
Draw();
}
+
+ private void buttonCreateExcavatorBodyKits_Click(object sender, EventArgs e)
+ {
+ Random random = new();
+ _drawnigExcavator = new DrawningExcavarorBodyKits(random.Next(100, 300),
+ random.Next(1000, 3000),
+ Color.FromArgb(random.Next(0, 256), random.Next(0, 256), random.Next(0, 256)),
+ Color.FromArgb(random.Next(0, 256), random.Next(0, 256), random.Next(0, 256)),
+ Convert.ToBoolean(random.Next(0, 2)),
+ Convert.ToBoolean(random.Next(0, 2)),
+ pictureBoxExcavator.Width,
+ pictureBoxExcavator.Height);
+ _drawnigExcavator.SetPosition(random.Next(10, 100), random.Next(10, 100));
+ Draw();
+ }
+
+ private void buttonStep_Click(object sender, EventArgs e)
+ {
+ if (_drawnigExcavator == null)
+ {
+ return;
+ }
+ if (comboBoxStrategy.Enabled)
+ {
+ _abstractStrategy = comboBoxStrategy.SelectedIndex switch
+ {
+ 0 => new MoveToCenter(),
+ 1 => new MoveToBorder(),
+ _ => null,
+ };
+ if (_abstractStrategy == null)
+ {
+ return;
+ }
+ _abstractStrategy.SetData(new DrawningObjectExcavator(_drawnigExcavator),
+ pictureBoxExcavator.Width,
+ pictureBoxExcavator.Height);
+ comboBoxStrategy.Enabled = false;
+ }
+ if (_abstractStrategy == null)
+ {
+ return;
+ }
+ _abstractStrategy.MakeStep();
+ Draw();
+ if (_abstractStrategy.GetStatus() == Status.Finish)
+ {
+ comboBoxStrategy.Enabled = true;
+ _abstractStrategy = null;
+ }
+ }
}
}
\ No newline at end of file
diff --git a/ProjectExcavator/ProjectExcavator/IMoveableObject.cs b/ProjectExcavator/ProjectExcavator/IMoveableObject.cs
new file mode 100644
index 0000000..fc48d19
--- /dev/null
+++ b/ProjectExcavator/ProjectExcavator/IMoveableObject.cs
@@ -0,0 +1,34 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ProjectExcavator.MovementStrategy
+{
+ ///
+ /// Интерфейс для работы с перемещаемым объектом
+ ///
+ public interface IMoveableObject
+ {
+ ///
+ /// Получение координаты X объекта
+ ///
+ ObjectParameters? GetObjectPosition { get; }
+ ///
+ /// Шаг объекта
+ ///
+ int GetStep { get; }
+ ///
+ /// Проверка, можно ли переместиться по нужному направлению
+ ///
+ ///
+ ///
+ bool CheckCanMove(DirectionType direction);
+ ///
+ /// Изменение направления пермещения объекта
+ ///
+ /// Направление
+ void MoveObject(DirectionType direction);
+ }
+}
diff --git a/ProjectExcavator/ProjectExcavator/MoveToBorder.cs b/ProjectExcavator/ProjectExcavator/MoveToBorder.cs
new file mode 100644
index 0000000..7fbe879
--- /dev/null
+++ b/ProjectExcavator/ProjectExcavator/MoveToBorder.cs
@@ -0,0 +1,49 @@
+using ProjectExcavator.Entities;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ProjectExcavator.MovementStrategy
+{
+ public class MoveToBorder : AbstractStrategy
+ {
+ protected override bool IsTargetDestination()
+ {
+ var objParams = GetObjectParameters;
+ if(objParams == null)
+ {
+ return false;
+ }
+ return objParams.RightBorder + GetStep() >= FieldWidth && objParams.DownBorder
+ + GetStep() <= FieldHeight;
+ }
+ protected override void MoveToTarget()
+ {
+ var objParams = GetObjectParameters;
+ if(objParams == null)
+ {
+ return;
+ }
+ var diffX = objParams.RightBorder - FieldWidth - 150;
+ var diffY = objParams.DownBorder - FieldHeight - 150;
+ if(diffX >= 0)
+ {
+ MoveDown();
+ }
+ else if (diffY >= 0)
+ {
+ MoveRight();
+ }
+ else if(Math.Abs(diffX) > Math.Abs(diffY))
+ {
+ MoveRight();
+ }
+ else
+ {
+ MoveDown();
+ }
+ }
+ }
+}
diff --git a/ProjectExcavator/ProjectExcavator/MoveToCenter.cs b/ProjectExcavator/ProjectExcavator/MoveToCenter.cs
new file mode 100644
index 0000000..8c32d3f
--- /dev/null
+++ b/ProjectExcavator/ProjectExcavator/MoveToCenter.cs
@@ -0,0 +1,57 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ProjectExcavator.MovementStrategy
+{
+ public class MoveToCenter : AbstractStrategy
+ {
+ protected override bool IsTargetDestination()
+ {
+ var objParams = GetObjectParameters;
+ if (objParams == null)
+ {
+ return false;
+ }
+ return objParams.ObjectMiddleHorizontal <= FieldWidth / 2 &&
+ objParams.ObjectMiddleHorizontal + GetStep() >= FieldWidth / 2 &&
+ objParams.ObjectMiddleVertical <= FieldHeight / 2 &&
+ objParams.ObjectMiddleVertical + GetStep() >= FieldHeight / 2;
+
+ }
+ protected override void MoveToTarget()
+ {
+ var objParams = GetObjectParameters;
+ if (objParams == null)
+ {
+ return;
+ }
+ var diffX = objParams.ObjectMiddleHorizontal - FieldWidth / 2;
+ if (Math.Abs(diffX) > GetStep())
+ {
+ if (diffX > 0)
+ {
+ MoveLeft();
+ }
+ else
+ {
+ MoveRight();
+ }
+ }
+ var diffY = objParams.ObjectMiddleVertical - FieldHeight / 2;
+ if (Math.Abs(diffY) > GetStep())
+ {
+ if (diffY > 0)
+ {
+ MoveUp();
+ }
+ else
+ {
+ MoveDown();
+ }
+ }
+ }
+ }
+}
diff --git a/ProjectExcavator/ProjectExcavator/ObjectParameters.cs b/ProjectExcavator/ProjectExcavator/ObjectParameters.cs
new file mode 100644
index 0000000..c78c2e1
--- /dev/null
+++ b/ProjectExcavator/ProjectExcavator/ObjectParameters.cs
@@ -0,0 +1,54 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ProjectExcavator.MovementStrategy
+{
+ public class ObjectParameters
+ {
+ private readonly int _x;
+ private readonly int _y;
+ private readonly int _width;
+ private readonly int _height;
+ ///
+ /// Левая граница
+ ///
+ public int LeftBorder => _x;
+ ///
+ /// Верхняя граница
+ ///
+ public int TopBorder => _y;
+ ///
+ /// Правая граница
+ ///
+ public int RightBorder => _x + _width;
+ ///
+ /// Нижняя граница
+ ///
+ public int DownBorder => _y + _height;
+ ///
+ /// Середина объекта
+ ///
+ public int ObjectMiddleHorizontal => _x + _width / 2;
+ ///
+ /// Середина объекта
+ ///
+ public int ObjectMiddleVertical => _y + _height / 2;
+ ///
+ /// Конструктор
+ ///
+ /// Координата X
+ /// Координата Y
+ /// Ширина
+ /// Высота
+ public ObjectParameters(int x, int y, int width, int height)
+ {
+ _x = x;
+ _y = y;
+ _width = width;
+ _height = height;
+ }
+ }
+}
diff --git a/ProjectExcavator/ProjectExcavator/Status.cs b/ProjectExcavator/ProjectExcavator/Status.cs
new file mode 100644
index 0000000..8f61c75
--- /dev/null
+++ b/ProjectExcavator/ProjectExcavator/Status.cs
@@ -0,0 +1,15 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ProjectExcavator
+{
+ public enum Status
+ {
+ NotInit = 0,
+ InProgress = 1,
+ Finish = 2
+ }
+}