17457741

group22/17457741/src/adress2.txt

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+http://www.cnblogs.com/xxp17457741/p/6568230.html

group22/17457741/src/secondwork/ArrayUtil.java

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+package secondwork;
+
+
+import java.util.Arrays;
+
+import org.junit.Test;
+
+public class ArrayUtil {
+       public void reverseArray (int [] origin){
+    	   int le =origin.length;
+    	   int []changedArray=Arrays.copyOf(origin, le);
+    	   for (int i=0;i<le;i++)
+    		   origin[le-i]=changedArray[i];
+       }
+
+       public int []removeZero(int []oldArray){
+    	   int le=oldArray.length;
+
+    	   for(int i=0;i<le;i++)
+    		   if(oldArray[i]==0)
+    			   le--;
+
+    	   int []newArray=new int[le];
+    	   int count=0;
+    	   for(int i=0;i<oldArray.length;i++){
+    		   if(oldArray[i]!=0){
+    			   newArray[count]=oldArray[i];
+    			   count++;
+    		   }
+    	   }
+    	   return newArray;
+       }
+
+       public int []merge (int [] array1,int []array2){
+    	   int le=array1.length+array2.length;
+    	   int [] mergedArray=new int[le];
+    	   for(int i=0;i<array1.length;i++)
+    		   mergedArray[i]=array1[i];
+
+    	  int count =array1.length;
+    	  for(int i=0;i<array2.length;i++)
+    		  mergedArray[count++]=array2[i];
+
+    	   return mergedArray;
+       }
+
+       public int []grow(int []oldArray,int size){
+    	   int le=oldArray.length+size;
+    	   int [] growedArray=new int[le];
+    	   for(int i=0;i<oldArray.length;i++){
+    		   growedArray[i]=oldArray[i];
+    	   }
+    	   return growedArray;
+       }
+
+       public int []fibonacci(int max){
+    	   int []fibonacci;
+    	   if(max==1)
+    		   fibonacci=new int[0];
+    	   else{
+    	  int n1=1,n2=1,sn=0,count=2;
+    	  do{
+    		  sn=n1+n2;
+    		  n1=n2;
+    		  n2=sn;
+    		  count++;
+    	  }while(sn<=max);
+    	  fibonacci=new int [count];
+    	  fibonacci[0]=1;
+    	  fibonacci[1]=1;
+    	  for (int i=2;i<count;i++){
+    		  int m1=1,m2=1,sm=0;
+    		  sm=m1+m2; m1=m2;m2=sm;
+    		  fibonacci[i]=sm;
+    	  }
+    	 }
+    	   return fibonacci;
+
+       }
+
+       public int [] getPrimes(int max){
+    	   int a=2,count=0,b=2;
+    	  for(int i=1;i<max+1;i++){
+    		  if(isPrime(a++)){
+    			 count++;
+    		  }  
+    	  }
+    	  int []primes=new int [count];
+    	  for(int i=0;i<count;i++){
+    		  if(isPrime(b++)){
+    			 primes[i]=b;
+    		  }  
+    	  }
+		return primes;
+       }
+
+
+
+	private boolean isPrime(int a) {
+		// TODO Auto-generated method stub
+		boolean isPrime=true;
+		for(int i=0;i<Math.sqrt(a);i++){
+			if(a%i==0)
+				isPrime=false;
+		}
+		return isPrime;
+	}
+
+	public int []getPerfectNumbers(int max){
+		int a=1,count =0,b=1;
+		for(int i=1;i<max+1;i++){
+			if(isPerfectNumber(a++)){
+				count++;
+			}
+		}
+		int []getPerfectNumber=new int[count];
+		for(int i=1;i<count;i++){
+			if(isPerfectNumber(b++)){
+				getPerfectNumber[i]=b;
+			}
+		}
+    	   return getPerfectNumber;
+       }
+
+       private boolean isPerfectNumber(int a) {
+		// TODO Auto-generated method stub
+    	   boolean perfectNumber=false;
+    	   int count=0,sum=0;
+    	   int [] sumOfFactor=new int[100];
+    	   for(int i=0;i<Math.sqrt(a);i++){
+    		   if(a%i==0)
+    			   sumOfFactor[count++]=i;  
+    	   }
+    	  for(int i=0;i<100;i++){
+    		 sum+=sumOfFactor[i];
+    	  }
+    	  if(sum==a)
+    		  perfectNumber=true; 
+		return perfectNumber;
+	}
+
+
+	public static String join(int []array,String sperator){
+    	 String output="";
+    	 for(int i=0;i<array.length;i++){
+    		 output+=array[i];
+    		 output+=sperator;
+    	 }
+    	 output=output.substring(0, array.length*2-1);
+		return output;
+       }
+
+
+
+
+
+}

group22/17457741/src/secondwork/ArrayUtilTest.java

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+package secondwork;
+
+import static org.junit.Assert.*;
+
+import org.junit.Test;
+
+public class ArrayUtilTest {
+
+	@Test
+	public void testReverseArray() {
+
+	}
+
+	@Test
+	public void testRemoveZero() {
+	}
+
+	@Test
+	public void testMerge() {
+	}
+
+	@Test
+	public void testGrow() {
+
+	}
+
+	@Test
+	public void testFibonacci() {
+
+	}
+
+	@Test
+	public void testGetPrimes() {
+
+	}
+
+	@Test
+	public void testGetPerfectNumbers() {
+
+	}
+
+	@Test
+	public void testJoin() {
+		int []a= {3,4,5,9};
+		String s="3-4-5-9";
+		assertEquals(s, ArrayUtil.join(a,"-"));
+
+
+
+	}
+
+}

group22/17457741/src/secondwork/LoginAction.java

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+package secondwork;
+
+public class LoginAction {
+
+	    private String password;
+	    private String name;
+	    private String message;
+
+	    public String getName() {
+	        return name;
+	    }
+
+	    public void setName(String name) {
+	        this.name = name;
+	    }
+
+	    public String getPassword() {
+	        return password;
+	    }
+
+	    public void setPassword(String password) {
+	        this.password = password;
+	    }
+
+	    public String execute() {
+	        if ("test".equals(name) && "1234".equals(password)) {
+	            this.message = "login successful";
+	            return "success";
+	        }
+	        this.message = "failed,please check ";
+	        return "fail";
+	    }
+
+	    public String getMessage() {
+	        return this.message;
+	    }
+	}
+

group22/17457741/src/secondwork/Struts.java

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+package secondwork;
+
+import java.lang.reflect.Field;
+import java.lang.reflect.InvocationTargetException;
+import java.lang.reflect.Method;
+import java.util.HashMap;
+import java.util.Map;
+import java.util.Objects;
+
+
+
+
+
+public class Struts {
+
+
+    public static View runAction(String actionName, Map<String, String> parameters) throws IllegalAccessException, IllegalArgumentException, InvocationTargetException, InstantiationException, NoSuchMethodException, SecurityException {
+        Map<String, StrutsAction> actionMap = StrutsParser.doParse();
+        StrutsAction action = actionMap.get(actionName);
+
+        if (action == null) {
+            System.out.println("couldn't get action: " + actionName + ", return");
+            return null;
+        }
+
+        try {
+            // 通过反射, 创建实例对象
+            Class<?> actionClass = Class.forName(action.getActionClassName());
+            Object actionObj = actionClass.newInstance();
+
+            // 调用 parameters 中的 set 方法
+            for (Map.Entry<String, String> parameterEntry : parameters.entrySet()) {
+                Method[] methods = actionClass.getMethods();
+                for (Method method : methods) {
+                    if (method.getName().equalsIgnoreCase("set" + parameterEntry.getKey())) {
+                        method.invoke(actionObj, parameterEntry.getValue());
+                    }
+                }
+            }
+
+            Method executeMethod = actionClass.getMethod("execute");
+            Object executeResult = executeMethod.invoke(actionObj);
+
+            // 根据 execute 方法的结果, 获取 xml 配置的 jsp 页面
+            String jsp = action.getAttributes().get(Objects.toString(executeResult));
+
+
+            Map<String, String> actionFieldMap = new HashMap<>();
+            Field[] actionFields = actionClass.getDeclaredFields();
+            for (Field actionFiled : actionFields) {
+                Method[] methods = actionClass.getMethods();
+                for (Method method : methods) {
+                    if (method.getName().equalsIgnoreCase("get" + actionFiled.getName())) {
+                        method.invoke(actionObj);
+                        actionFieldMap.put(actionFiled.getName(), Objects.toString(method.invoke(actionObj)));
+                    }
+                }
+            }
+
+            View view = new View();
+            view.setParameters(actionFieldMap);
+            view.setJsp(jsp);
+            return view;
+        } catch (ClassNotFoundException e) {
+            e.printStackTrace();
+        } 
+        return null;
+    }
+}

group22/17457741/src/secondwork/StrutsAction.java

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+package secondwork;
+
+import java.util.Map;
+
+public class StrutsAction {
+    private String actionClassName;
+    private Map<String, String> attributes;
+
+    public String getActionClassName() {
+        return actionClassName;
+    }
+
+    public void setActionClassName(String actionClassName) {
+        this.actionClassName = actionClassName;
+    }
+
+    public Map<String, String> getAttributes() {
+        return attributes;
+    }
+
+    public void setAttributes(Map<String, String> attributes) {
+        this.attributes = attributes;
+    }
+}