diff --git a/201816040221/Ex09_11/Rectangle.cpp b/201816040221/Ex09_11/Rectangle.cpp
new file mode 100644
index 00000000..8fdeeecc
--- /dev/null
+++ b/201816040221/Ex09_11/Rectangle.cpp
@@ -0,0 +1,85 @@
+
+
+//#include <Rectangle.h>
+#include <iostream>
+
+#include "Rectangle.h"
+
+
+
+using namespace std;
+Rectangle::Rectangle(float l,float w)
+
+{
+
+    setLength(l);
+
+    setWidth(w);
+
+}
+
+void Rectangle::setLength(float l)
+
+{
+
+    if(length>0&&length<20){
+
+        length=l;
+
+    }
+
+    else
+
+    {
+
+        length=1;
+
+    }
+
+}
+
+void Rectangle::setWidth(float w)
+
+{
+
+    if(width>0&&width<20)
+
+    {
+
+        width=w;
+
+    }
+
+    else
+
+    {
+
+        width=1;
+
+    }
+
+}
+
+float Rectangle::getLength()
+
+{
+
+    return length;
+
+}
+
+float Rectangle::getWidth()
+
+{
+
+    return width;
+
+}
+float getperimeter()
+{
+    return perimeter=(getlength()+getwidth())*2;
+}
+float getarea()
+{
+    return aeea=getlength()*getwidth();
+}
diff --git a/201816040221/Ex09_11/Rectangle.h b/201816040221/Ex09_11/Rectangle.h
new file mode 100644
index 00000000..056a1dae
--- /dev/null
+++ b/201816040221/Ex09_11/Rectangle.h
@@ -0,0 +1,23 @@
+
+#include <iostream>
+#ifndef Rectangle_H
+#define Rectangle_H
+
+
+#include "Rectangle.h"
+
+using namespace std;
+
+class Rectangle
+
+    {
+public:
+        Rectangle(float ,float );
+        void setlength(float);
+        void setwidth(float );
+        float getlength();
+        float getwidth();
+        float getperimeter();
+        float getarea();
+
+    }//#endif
diff --git a/201816040221/Ex09_11/Rectangletest.cpp b/201816040221/Ex09_11/Rectangletest.cpp
new file mode 100644
index 00000000..946e8ad8
--- /dev/null
+++ b/201816040221/Ex09_11/Rectangletest.cpp
@@ -0,0 +1,23 @@
+#include <iostream>
+
+
+#include "Rectangle.h"
+
+using namespace std;
+
+
+
+int main()
+{
+     Rectangle rectangle1(3.3,9.5);
+
+    Rectangle rectangle2(20.6,5.7);
+
+    cout << "rectangle1: length= "<< rectangle1.getLength()<<" width= "<<rectangle1.getWidth()<<"rectangle1:perimeter="<<rectangle1.getperimeter()<<endl;
+
+    cout << "rectangle2: length= "<< rectangle2.getLength()<<" width= "<<rectangle2.getWidth()<<"rectangle2:area"<<rectangle2.getarea()endl;
+
+    return 0;
+}
+
+
diff --git a/201816040221/Ex09_22/Time.cpp b/201816040221/Ex09_22/Time.cpp
new file mode 100644
index 00000000..85edc353
--- /dev/null
+++ b/201816040221/Ex09_22/Time.cpp
@@ -0,0 +1,111 @@
+#include <stdexcept>
+
+#include <iomanip>
+#include <time.h>
+#include <iostream>
+
+#include "Time.h"
+
+
+
+using namespace std;
+
+
+
+Time::Time(int h,int m,int s)
+
+{
+
+     setTime(h ,m , s);
+
+}
+
+void Time::setTime(int h, int m, int s)
+
+{
+
+    second=0;
+
+    setHour(h);
+
+    setMinute(m);
+
+    setSecond(s);
+
+}
+
+void Time::setHour(int h)
+
+{
+    int hours;
+    if(h>=0&&h<24)
+
+        hours=h;
+        else
+            throw invalid_argument("hour must be 0-23")
+    second+=h*3600;
+
+
+}
+
+int Time::getHour()
+
+{
+
+    return *this;
+
+}
+
+void Time::setMinute(int m)
+
+{
+    if(m>=0&&m<59)
+        second+=m*60;
+
+}
+
+int Time::getMinute()
+
+{
+
+    return second%360/60;
+
+}
+
+void Time::setSecond(int s)
+
+{
+
+    second+=s;
+
+}
+
+int Time::getSecond()
+
+{
+
+    return second;
+
+}
+
+void Time:: printUniversal()
+
+{
+
+    cout<<setfill('0')<<setw(2)<<getHour()<<":"
+
+       <<setw(2)<<getMinute()<<":"<<setw(2)<<getSecond();
+
+}
+
+void Time:: printStandard()
+
+{
+
+    cout<<setfill('0')<<setw(2)<<((getHour()==0||getHour()==12)?12 :getHour()%12)<<":"
+
+       <<setw(2)<<getMinute()<<":"<<setw(2)<<getSecond()
+
+       <<(getHour()<12?"AM":"PM");
+
+}
diff --git a/201816040221/Ex09_22/Time.h b/201816040221/Ex09_22/Time.h
new file mode 100644
index 00000000..4230c584
--- /dev/null
+++ b/201816040221/Ex09_22/Time.h
@@ -0,0 +1,50 @@
+#include <iostream>
+
+
+#include <time.h>
+
+using namespace std;
+
+class Time
+
+{
+
+public:
+
+    explicit Time(int =0,int=0 ,int=0 );
+
+    void setTime(int,  int, int);
+
+
+
+    void setHour(int);
+
+    void setMinute(int );
+
+    void setSecond(int );
+
+
+
+    int getHour();
+
+    int getMinute( );
+
+    int getSecond( );
+
+
+
+    void printUniversal() ;
+
+    void printStandard() ;
+
+
+
+private:
+
+    int hour;
+    int minute;
+    int second;
+
+
+
+};
diff --git a/201816040221/Ex09_22/Timetest.cpp b/201816040221/Ex09_22/Timetest.cpp
new file mode 100644
index 00000000..b0ef42bb
--- /dev/null
+++ b/201816040221/Ex09_22/Timetest.cpp
@@ -0,0 +1,50 @@
+#include <iostream>
+
+
+#include <time.h>
+
+using namespace std;
+
+
+
+int main()
+
+{
+
+    Time t1;
+
+
+
+   time_t currenttime=time(0);
+
+    struct tm *localtime=localtime(&currenttime);
+
+
+   time( &rawtime );
+
+
+
+   
+
+   cout<<("当前的本地时间和日期：%s", asctime(info));
+
+   t1.setHour(localtime->tm_hour);
+
+   t1.setMinute(localtime->tm_min);
+
+   t1.setSecond(localtime->tm_sec);
+
+
+
+
+
+    cout<<"Constructed with :\n\nt1:\n";
+
+    t1.printUniversal();
+
+    cout<<endl;
+
+    t1.printStandard();
+    return 0;
+
+}