Merge pull request #34 from hilihan/master

0305作业提交

group16/502059278/.classpath

@@ -3,5 +3,6 @@
 	<classpathentry kind="src" path="src"/>
 	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER"/>
 	<classpathentry kind="con" path="org.eclipse.jdt.junit.JUNIT_CONTAINER/4"/>
+	<classpathentry kind="lib" path="src/lib/dom4j-1.6.1.jar"/>
 	<classpathentry kind="output" path="bin"/>
 </classpath>

group16/502059278/src/cn/mark/work0226/ArrayUtil.java

@@ -22,10 +22,7 @@ public void reverseArray(int[] origin){
 		System.out.println("置换后："+Arrays.toString(target));
 
 
-		 Math.random();
-
-
-
+
 	}
 
 	/**

group16/502059278/src/cn/mark/work0226/litestruts/LoginAction.java

@@ -0,0 +1,39 @@
+package cn.mark.work0226.litestruts;
+
+/**
+ * 这是一个用来展示登录的业务类， 其中的用户名和密码都是硬编码的。
+ * @author liuxin
+ *
+ */
+public class LoginAction{
+    private String name ;
+    private String password;
+    private String message;
+
+    public String getName() {
+        return name;
+    }
+
+    public String getPassword() {
+        return password;
+    }
+
+    public String execute(){
+            if("test".equals(name) && "1234".equals(password)){
+                this.message = "login successful";
+                return "success";
+            }
+            this.message = "login failed,please check your user/pwd";
+            return "fail";
+    }
+
+    public void setName(String name){
+        this.name = name;
+    }
+    public void setPassword(String password){
+        this.password = password;
+    }
+    public String getMessage(){
+        return this.message;
+    }
+}

group16/502059278/src/cn/mark/work0226/litestruts/Struts.java

@@ -0,0 +1,84 @@
+package cn.mark.work0226.litestruts;
+
+import java.io.File;
+import java.lang.reflect.Constructor;
+import java.lang.reflect.InvocationTargetException;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+import org.dom4j.Attribute;
+import org.dom4j.Document;
+import org.dom4j.Element;
+import org.dom4j.io.SAXReader;
+
+
+
+public class Struts {
+
+    public static View runAction(String actionName, Map<String,String> parameters) {
+
+        /*
+         
+		0. 读取配置文件struts.xml
+ 		
+ 		1. 根据actionName找到相对应的class ， 例如LoginAction,   通过反射实例化（创建对象）
+		据parameters中的数据，调用对象的setter方法， 例如parameters中的数据是 
+		("name"="test" ,  "password"="1234") ,     	
+		那就应该调用 setName和setPassword方法
+		
+		2. 通过反射调用对象的exectue 方法， 并获得返回值，例如"success"
+		
+		3. 通过反射找到对象的所有getter方法（例如 getMessage）,  
+		通过反射来调用， 把值和属性形成一个HashMap , 例如 {"message":  "登录成功"} ,  
+		放到View对象的parameters
+		
+		4. 根据struts.xml中的 <result> 配置,以及execute的返回值，  确定哪一个jsp，  
+		放到View对象的jsp字段中。
+        
+        */
+    	String classPath = null;
+    	String className = null;
+
+    	Document dom = XMLUtils.getDocument("bin"+File.separator+"struts.xml");
+    	Element ele = XMLUtils.getElement(dom, actionName);
+    	Attribute classAttr = ele.attribute("class");
+		classPath = classAttr.getValue();
+		className = classPath.substring(classPath.lastIndexOf(".")+1);
+    	System.out.println(className);
+
+
+
+		try {
+			Class clz = Class.forName(classPath);
+			System.out.println(clz.getName());
+
+
+
+		} catch (ClassNotFoundException e) {
+			e.printStackTrace();
+		}  catch (SecurityException e) {
+			// TODO Auto-generated catch block
+			e.printStackTrace();
+		} catch (IllegalArgumentException e) {
+			// TODO Auto-generated catch block
+			e.printStackTrace();
+		} 
+
+
+    	return null;
+    }    
+
+
+    public static void main(String[] args) {
+
+    	String actionName = "login";
+
+		Map<String,String> params = new HashMap<String,String>();
+        params.put("name","test");
+        params.put("password","1234");
+
+
+       Struts.runAction(actionName,params);        
+	}
+}

group16/502059278/src/cn/mark/work0226/litestruts/StrutsTest.java

@@ -0,0 +1,43 @@
+package cn.mark.work0226.litestruts;
+
+import java.util.HashMap;
+import java.util.Map;
+
+import org.junit.Assert;
+import org.junit.Test;
+
+
+
+
+
+public class StrutsTest {
+
+	@Test
+	public void testLoginActionSuccess() {
+
+		String actionName = "login";
+
+		Map<String,String> params = new HashMap<String,String>();
+        params.put("name","test");
+        params.put("password","1234");
+
+
+        View view  = Struts.runAction(actionName,params);        
+
+        Assert.assertEquals("/jsp/homepage.jsp", view.getJsp());
+        Assert.assertEquals("login successful", view.getParameters().get("message"));
+	}
+
+	@Test
+	public void testLoginActionFailed() {
+		String actionName = "login";
+		Map<String,String> params = new HashMap<String,String>();
+        params.put("name","test");
+        params.put("password","123456"); //密码和预设的不一致
+
+        View view  = Struts.runAction(actionName,params);        
+
+        Assert.assertEquals("/jsp/showLogin.jsp", view.getJsp());
+        Assert.assertEquals("login failed,please check your user/pwd", view.getParameters().get("message"));
+	}
+}

group16/502059278/src/cn/mark/work0226/litestruts/View.java

@@ -0,0 +1,23 @@
+package cn.mark.work0226.litestruts;
+
+import java.util.Map;
+
+public class View {
+	private String jsp;
+	private Map parameters;
+
+	public String getJsp() {
+		return jsp;
+	}
+	public View setJsp(String jsp) {
+		this.jsp = jsp;
+		return this;
+	}
+	public Map getParameters() {
+		return parameters;
+	}
+	public View setParameters(Map parameters) {
+		this.parameters = parameters;
+		return this;
+	}
+}

group16/502059278/src/cn/mark/work0226/litestruts/XMLUtils.java

@@ -0,0 +1,49 @@
+package cn.mark.work0226.litestruts;
+
+import java.util.List;
+
+import org.dom4j.Attribute;
+import org.dom4j.Document;
+import org.dom4j.DocumentException;
+import org.dom4j.Element;
+import org.dom4j.io.SAXReader;
+
+public class XMLUtils {
+	/**
+	 * 获取Document
+	 * @param filePath 配置文件路径名
+	 * @return Document对象
+	 */
+	public static Document getDocument(String filePath){
+		//1.创建解析器
+		SAXReader reader = new SAXReader();
+		//2.解析XML文档，返回document对象
+		Document dom = null;
+		try {
+			dom = reader.read(filePath);
+		} catch (DocumentException e) {
+			e.printStackTrace();
+		}
+		return dom;
+	}
+	/**
+	 * 获取指定action元素
+	 * @param doc Document
+	 * @param actionName 要获取的元素属性名
+	 * @return 包含所要属性的元素
+	 */
+	public static Element getElement(Document doc , String actionName){
+		Element result = null;
+		Element root = doc.getRootElement();
+    	List<Element> elements = root.elements();
+    	for(Element e : elements){
+    		Attribute attr = e.attribute("name");
+    		if(attr.getValue().equals(actionName)){
+    			result = e;
+    			return result;
+    		}
+    	}
+		return result;
+	}
+
+}

group16/502059278/src/struts.xml

@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<struts>
+    <action name="login" class="cn.mark.work0226.litestruts.LoginAction">
+        <result name="success">/jsp/homepage.jsp</result>
+        <result name="fail">/jsp/showLogin.jsp</result>
+    </action>
+    <action name="logout" class="cn.mark.work0226.litestruts.LogoutAction">
+    	<result name= "success">/jsp/welcome.jsp</result>
+    	<result name= "error">/jsp/error.jsp</result>
+    </action>
+</struts>