diff --git a/201816040118/Ex09_11/Eectangle.h b/201816040118/Ex09_11/Eectangle.h
new file mode 100644
index 00000000..79668485
--- /dev/null
+++ b/201816040118/Ex09_11/Eectangle.h
@@ -0,0 +1,22 @@
+#ifndef RECTANGLE_H
+#define RECTANGLE_H
+#include <iostream>
+class Rectangle
+{
+public:
+    explicit Rectangle(double=1,double=1);//声明构造函数并初始化为1
+    void setPerimeter(double,double);//声明一个计算周长的函数
+    double getPerimeter()const;//声明一个返回周长的函数
+    void setArea(double,double);//声明一个计算面积的函数
+    double getArea()const;//声明一个返回面积的函数
+    void setLength(double);//声明一个计算长度的函数
+    double getLength()const;//声明一个返回长度的函数
+    void setWidth(double);//声明一个计算宽度的函数
+    double getWidth()const;//声明一个返回宽度的函数
+private:
+    double length;
+    double width;
+    double perimeter;
+    double area;//声明4个数据成员
+};
+#endif
diff --git a/201816040118/Ex09_11/Ex09_11.cpp b/201816040118/Ex09_11/Ex09_11.cpp
new file mode 100644
index 00000000..74baa78e
--- /dev/null
+++ b/201816040118/Ex09_11/Ex09_11.cpp
@@ -0,0 +1,13 @@
+#include <iostream>
+#include <iomanip>
+#include <stdexcept>
+#include "Rectangle.h"
+using namespace std;
+int main()
+{
+    Rectangle t;//定义一个对象
+    cout<<"该长方形的长和宽为: "<<endl;
+    cout<<t.getLength()<<" "<<t.getWidth()<<endl;//输出它的长度和宽度
+    cout<<"该长方形的周长和面积为: "<<endl;
+    cout<<t.getPerimeter()<<" "<<t.getArea();//输出它的周长和面积
+}
diff --git a/201816040118/Ex09_11/Rectangle.cpp b/201816040118/Ex09_11/Rectangle.cpp
new file mode 100644
index 00000000..98d2f95d
--- /dev/null
+++ b/201816040118/Ex09_11/Rectangle.cpp
@@ -0,0 +1,46 @@
+#include <iostream>
+#include <iomanip>
+#include <stdexcept>
+#include "Rectangle.h"
+using namespace std;
+Rectangle::Rectangle(double Length,double Width)//构造函数
+{
+     setLength(Length);
+     setWidth(Width);
+     setPerimeter(Length,Width);
+     setArea(Length,Width);
+}
+void Rectangle::setPerimeter(double Length,double Width)//计算周长
+{
+    perimeter=(Length+Width)*2;
+}
+double Rectangle::getPerimeter()const//返回周长
+{
+    return perimeter;
+}
+void Rectangle::setArea(double Length,double Width)//计算面积
+{
+    area=Length*Width;
+}
+double Rectangle::getArea()const//返回面积
+{
+    return area;
+}
+void Rectangle::setLength(double Length)//计算长度并判断是否合法
+{
+    if(Length>0&&Length<20)
+    length=Length;
+}
+double Rectangle::getLength()const//返回长度
+{
+    return length;
+}
+void Rectangle::setWidth(double Width)//计算宽度并判断是否合法
+{
+    if(Width>0&&Width<20)
+    width=Width;
+}
+double Rectangle::getWidth()const//返回宽度
+{
+    return width;
+}
diff --git a/201816040118/Ex09_12/Ex09_12.cpp b/201816040118/Ex09_12/Ex09_12.cpp
new file mode 100644
index 00000000..e2f69943
--- /dev/null
+++ b/201816040118/Ex09_12/Ex09_12.cpp
@@ -0,0 +1,13 @@
+#include <iostream>
+#include <iomanip>
+#include <stdexcept>
+#include "Rectangle.h"
+using namespace std;
+int main()
+{
+    Rectangle t(1,3,1,3,1,1,3,3);//定义一个对象并初始化
+    cout<<"("<<t.Printf1()<<","<<t.Printf5()<<")"<<endl;//打印它的第一个定点
+    cout<<"("<<t.Printf2()<<","<<t.Printf6()<<")"<<endl;//打印它的第二个定点
+    cout<<"("<<t.Printf3()<<","<<t.Printf7()<<")"<<endl;//打印它的第三个定点
+    cout<<"("<<t.Printf4()<<","<<t.Printf8()<<")"<<endl;//打印它的第四个定点
+}
diff --git a/201816040118/Ex09_12/Rectangle.cpp b/201816040118/Ex09_12/Rectangle.cpp
new file mode 100644
index 00000000..f44e0d5f
--- /dev/null
+++ b/201816040118/Ex09_12/Rectangle.cpp
@@ -0,0 +1,95 @@
+#include <iostream>
+#include <iomanip>
+#include <stdexcept>
+#include "Rectangle.h"
+using namespace std;
+Rectangle::Rectangle(double X1,double X2,double X3,double X4,double Y1,double Y2,double Y3,double Y4)//传递坐标初始化
+{
+    Length(X1,X3);
+    Width(Y1,Y3);
+    Check(X1,X2,X3,X4,Y1,Y2,Y3,Y4);
+}
+void Rectangle::Length(double X1,double X3)//计算坐标长度
+{
+    length=X1-X3;
+}
+void Rectangle::Width(double Y1,double Y3)//计算坐标宽度
+{
+    width=Y1-Y3;
+}
+void Rectangle::Perimeter(double length,double width)//计算坐标周长
+{
+    perimeter=(length+width)*2;
+}
+void Rectangle::Area(double length,double width)//计算坐标面积
+{
+    area=length*width;
+}
+void Rectangle::Square(double length,double width,double X1,double X2,double X3,double Y1,double Y2,double Y3)//判断函数
+{
+    if(length==width&&(X2-X1)*(X3-X1)+(Y2-Y1)*(Y3-Y1)==0)
+    {
+        cout<<"该长方形是正方形"<<endl;
+    }
+    else
+         cout<<"该长方形不是正方形"<<endl;
+}
+void Rectangle::Check(double X1,double X2,double X3,double X4,double Y1,double Y2,double Y3,double Y4)//判断函数
+{
+    if(X1>0&&X2>0&&X3>0&&X4>0&&Y1>0&&Y2>0&&Y3>0&&Y4>0&&X1<20&&X2<20&&X3<20&&X4<20&&Y1<20&&Y2<20&&Y3<20&&Y4<20&&(X2-X1)*(X3-X1)+(Y2-Y1)*(Y3-Y1)==0)
+    {
+        x1=X1;
+        x2=X2;
+        x3=X3;
+        x4=X4;
+        y1=Y1;
+        y2=Y2;
+        y3=Y3;
+        y4=Y4;
+    }
+   else
+   {
+       cout<<"坐标不构成长方形!";
+        x1=0;
+        x2=0;
+        x3=0;
+        x4=0;
+        y1=0;
+        y2=0;
+        y3=0;
+        y4=0;
+   }
+}
+//返回各个坐标的值
+double Rectangle::Printf1()
+{
+     return x1;
+}
+double Rectangle::Printf2()
+{
+     return x2;
+}
+double Rectangle::Printf3()
+{
+     return x3;
+}
+double Rectangle::Printf4()
+{
+     return x4;
+}
+double Rectangle::Printf5()
+{
+     return y1;
+}
+double Rectangle::Printf6()
+{
+     return y2;
+}
+double Rectangle::Printf7()
+{
+     return y3;
+}
+double Rectangle::Printf8()
+{
+     return y4;
+}
diff --git a/201816040118/Ex09_12/Rectangle.h b/201816040118/Ex09_12/Rectangle.h
new file mode 100644
index 00000000..353b4e3b
--- /dev/null
+++ b/201816040118/Ex09_12/Rectangle.h
@@ -0,0 +1,37 @@
+#ifndef RECTANGLE_H
+#define RECTANGLE_H
+#include <iostream>
+class Rectangle
+{
+public:
+    Rectangle(double,double,double,double,double,double,double,double); //构造函数的声明
+    void Length(double,double);//声明计算长度的函数
+    void Width(double,double);//声明计算宽度的函数
+    void Perimeter(double,double);//声明计算周长的函数
+    void Area(double,double);//声明计算面积的函数
+    void Check(double,double,double,double,double,double,double,double);//检测坐标是否构成长方形
+    void Square(double,double,double,double,double,double,double,double);//检测坐标是否构成正方形
+    double Printf1();//获取x1的坐标值
+    double Printf2();//获取x2的坐标值
+    double Printf3();//获取x3的坐标值
+    double Printf4();//获取x4的坐标值
+    double Printf5();//获取y1的坐标值
+    double Printf6();//获取y2的坐标值
+    double Printf7();//获取y3的坐标值
+    double Printf8();//获取y4的坐标值
+
+private:
+    double x1;
+    double x2;
+    double x3;
+    double x4;
+    double y1;
+    double y2;
+    double y3;
+    double y4;//声明坐标数据成员
+    double length;
+    double width;
+    double perimeter;
+    double area;//声明数据成员
+};
+#endif
diff --git a/201816040118/Ex09_22/Ex09_22.cpp b/201816040118/Ex09_22/Ex09_22.cpp
new file mode 100644
index 00000000..5fa489bb
--- /dev/null
+++ b/201816040118/Ex09_22/Ex09_22.cpp
@@ -0,0 +1,19 @@
+#include <iostream>
+#include <stdexcept>
+#include <string>
+#include "Time.h"
+using namespace std;
+int main()
+{
+    Time t1;//定义一个对象
+    cout<<"local time:"<<endl;
+    t1.printStandard();//输出12小时时间格式
+    cout<<endl;
+    t1.printUniversal();//输出24小时时间格式和总秒数
+    cout<<endl;
+    cout<<"after tick:"<<endl;
+    t1.tick();//测试tick函数来使秒数加1
+    t1.printStandard();//输出12小时时间格式
+    cout<<endl;
+    t1.printUniversal();//输出24小时时间格式和总秒数
+}
diff --git a/201816040118/Ex09_22/Time.cpp b/201816040118/Ex09_22/Time.cpp
new file mode 100644
index 00000000..0dd76bb2
--- /dev/null
+++ b/201816040118/Ex09_22/Time.cpp
@@ -0,0 +1,82 @@
+#include <iostream>
+#include <iomanip>
+#include <stdexcept>
+#include <time.h>
+#include "Time.h"
+using namespace std;
+Time::Time() //用当前时间初始化对象
+{
+    const time_t currentTime =time(0);
+    const tm *localTime=localtime(&currentTime);
+    setTime(localTime->tm_hour,localTime->tm_min,localTime->tm_sec); //validate and set time
+}
+void Time::tick() //使时间增加1秒
+{
+    if((getSecond()+1)==60)
+    {
+        setSecond(0);
+        minute+=1;
+        if(getMinute()==60)
+        {
+             setMinute(0);
+             hour+=1;
+        }
+    }
+    else
+        second+=1;
+}
+void Time::setTime(int h,int m,int s) //传递参数用于初始化时间
+{
+    setHour(h);     //set private filed hour
+    setMinute(m);    //set private filed minute
+    setSecond(s);    //set private filed second
+}
+void Time::setHour(int h)//传递参数用于初始化小时并判断是否合法
+{
+    if(h>0&&h<24)
+    {
+        hour=h;
+    }
+    else
+        throw invalid_argument("hour must be 0-23");
+}
+void Time::setMinute(int m)//传递参数用于初始化分钟并判断是否合法
+{
+    if(m>=0&&m<60)
+    {
+        minute=m;
+    }
+    else
+        throw invalid_argument("minute must be 0-59");
+}
+void Time::setSecond(int s)//传递参数用于初始化秒并判断是否合法
+{
+    if(s>=0&&s<60)
+        second=s;
+    else
+        throw invalid_argument("second must be 0-59");
+}
+unsigned int Time::getHour()const//获取小时
+{
+    return hour;
+}
+unsigned Time::getMinute()const//获取分钟
+{
+    return minute;
+}
+unsigned Time::getSecond()const//获取秒
+{
+    return second;
+}
+void Time::printUniversal()const//输出为24小时的时间格式并换算为午夜以来的总秒数
+{
+    int tail;
+    tail=second+minute*60+hour*60*60;
+    cout<<setfill('0')<<setw(2)<<getHour()<<":"<<setw(2)<<getMinute()<<":"<<setw(2)<<getSecond()<<endl;
+    cout<<"午夜以来的总秒数为: "<<endl<<tail;
+
+}
+void Time::printStandard()const//输出为12小时的时间格式
+{
+    cout<<((getHour()==0||getHour()==12)?12:getHour()%12)<<":"<<setfill('0')<<setw(2)<<getMinute()<<":"<<setw(2)<<getSecond()<<(hour<12 ?"AM":"PM");
+}
diff --git a/201816040118/Ex09_22/Time.h b/201816040118/Ex09_22/Time.h
new file mode 100644
index 00000000..a7a44b2f
--- /dev/null
+++ b/201816040118/Ex09_22/Time.h
@@ -0,0 +1,23 @@
+#ifndef TIME_H
+#define TIME_H
+#include <iostream>
+class Time
+{
+public:
+    Time();//构造函数
+    void setTime(int,int,int);
+    void setHour(int);
+    void setMinute(int);
+    void setSecond(int);  //传递参数用来初始化时间
+    unsigned int getHour()const;
+    unsigned int getMinute()const;
+    unsigned int getSecond()const; //获取时间
+    void printUniversal()const; //打印12小时格式时间
+    void printStandard()const;//打印24小时格式时间
+    void tick(); //测试tick函数，使时间增加1秒
+private:
+    unsigned int hour;
+    unsigned int minute;
+    unsigned int second;  //定义数据成员
+};
+#endif // TIME_H
diff --git a/201816040118/Ex09_23/Card.cpp b/201816040118/Ex09_23/Card.cpp
new file mode 100644
index 00000000..334caf67
--- /dev/null
+++ b/201816040118/Ex09_23/Card.cpp
@@ -0,0 +1,21 @@
+#include <iostream>
+#include <string>
+#include "Card.h"
+using namespace std;
+string Card::Face[13]={"A","2","3","4","5","6","7","8","9","10","J","Q","K"};//初始化它的面值
+string Card::Suit[4] = {"Spade","Heart","Diamond","Club"};//初始化它的花色
+Card::Card(int f,int s)//声明构造函数
+{
+    setCard(f,s);
+}
+void Card::setCard(int f,int s)//接收面值和花色来初始化数据成员
+{
+    face=f;
+    suit=s;
+}
+string Card::toString()//输出
+{
+    string z,p=" of ";
+    z=Face[face]+p+Suit[suit];//返回正确格式
+    return z;
+}
diff --git a/201816040118/Ex09_23/Card.h b/201816040118/Ex09_23/Card.h
new file mode 100644
index 00000000..aa5c977b
--- /dev/null
+++ b/201816040118/Ex09_23/Card.h
@@ -0,0 +1,17 @@
+#ifndef CARD_H
+#define CARD_H
+#include <string>
+using namespace std;
+class Card
+{
+public:
+    explicit Card( int,int );//声明构造函数
+    string toString ();//声明一个输出函数
+    void setCard(int,int);//声明一个传参赋值函数
+private:
+    int face;
+    int suit;
+    static string Face[13];
+    static string Suit[4];//声明数据成员
+};
+#endif // CARD_H_INCLUDED
diff --git a/201816040118/Ex09_23/DeckOfCards.cpp b/201816040118/Ex09_23/DeckOfCards.cpp
new file mode 100644
index 00000000..62eef8a8
--- /dev/null
+++ b/201816040118/Ex09_23/DeckOfCards.cpp
@@ -0,0 +1,55 @@
+#include "Card.h"
+#include<vector>
+#include <iostream>
+#include <string>
+#include "DeckOfCards.h"
+#include<time.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdbool.h>
+using namespace std;
+DeckOfCards::DeckOfCards()//初始化
+{
+    int i ,j ;
+    for (i=0;i<4;i++)
+    {
+        for( j=0 ; j<13 ;j++)
+        {
+            Card a( j , i );
+            deck.push_back(a);
+        }
+    }
+}
+void DeckOfCards::shuffle()//洗盘
+{
+    int i,z;
+    srand((unsigned int)time (NULL));
+    for (i=0 ;i<52 ;i++) //随机选取两只牌并进行交换
+    {
+        z=rand()%51;
+        Card f=deck[i];
+        deck[i]=deck[z];
+        deck[z]=f;
+    }
+}
+Card DeckOfCards::dealCard()//获取面值
+{
+    currentCard++;
+    return deck[currentCard-1];
+}
+bool DeckOfCards::moreCards()//判断下一个牌是否要处理
+{
+    if(currentCard>51)
+    {
+        return false;
+    }
+    else if(currentCard<=51)
+    {
+        return true;
+    }
+}
+
+Card DeckOfCards::getCards(int i)
+{
+    return deck[i];
+}
diff --git a/201816040118/Ex09_23/DeckOfCards.h b/201816040118/Ex09_23/DeckOfCards.h
new file mode 100644
index 00000000..8ca73f8b
--- /dev/null
+++ b/201816040118/Ex09_23/DeckOfCards.h
@@ -0,0 +1,17 @@
+#ifndef DECKOFCARDS_H
+#define DECKOFCARDS_H
+#include "Card.h"
+#include<vector>
+class DeckOfCards
+{
+public:
+    DeckOfCards();//构造函数
+    void shuffle();//洗牌
+    Card dealCard();//下一张牌
+    bool moreCards();//判断是否要处理
+    Card getCards(int );
+private:
+    vector <Card> deck;
+    int currentCard=0; //声明数据成员
+};
+#endif // DECKOFCARDS_H_INCLUDED
diff --git a/201816040118/Ex09_23/Ex09_23.cpp b/201816040118/Ex09_23/Ex09_23.cpp
new file mode 100644
index 00000000..2ac1d06a
--- /dev/null
+++ b/201816040118/Ex09_23/Ex09_23.cpp
@@ -0,0 +1,22 @@
+#include<vector>
+#include <iostream>
+#include <string>
+#include "DeckOfCards.h"
+#include "Card.h"
+#include<time.h>
+using namespace std;
+int main()
+{
+    int i;
+    DeckOfCards p; //定义一个DeckOfCards 对象
+    p.shuffle();//洗牌
+    for (i=0;i<52;i++) //输出
+    {
+        cout <<p.dealCard().toString()<<endl;
+        if (p.moreCards()==0) //判断是否继续
+        {
+            break;
+        }
+    }
+    return 0;
+}