Merge pull request #30 from duxiaolong/master

Master
onlyliuxin · Mar 3, 2017 · 523b6a5 · 523b6a5
2 parents 78e0a66 + ab8ba87
commit 523b6a5
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Showing 4 changed files with 69 additions and 47 deletions.
diff --git a/group16/1287642108/0305/src/com/coderising/litestruts/LoginAction.java b/group16/1287642108/0305/src/com/coderising/litestruts/LoginAction.java
@@ -14,9 +14,21 @@ 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 getMessage(){
+        return this.message;
+    }
 
     public String execute(){
             if("test".equals(name) && "1234".equals(password)){
@@ -26,14 +38,4 @@ public String execute(){
             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;
-    }
 }
diff --git a/group16/1287642108/0305/src/com/coderising/litestruts/Struts.java b/group16/1287642108/0305/src/com/coderising/litestruts/Struts.java
@@ -1,34 +1,57 @@
 package com.coderising.litestruts;
 
+import java.io.File;
+import java.lang.reflect.InvocationTargetException;
+import java.lang.reflect.Method;
+import java.util.HashMap;
 import java.util.Map;
-
-
+import org.dom4j.Document;
+import org.dom4j.DocumentException;
+import org.dom4j.Element;
+import org.dom4j.Node;
+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。
-        
-        */
-
+    public static View runAction(String actionName, Map<String,String> parameters) throws ClassNotFoundException, InstantiationException, IllegalAccessException, IllegalArgumentException, InvocationTargetException, NoSuchMethodException, SecurityException {
+        //创建SAXReader读取器，专门用于读取xml  
+    	SAXReader saxReader = new SAXReader();  
+        Document document = null;
+		try {
+			 document = saxReader.read(new File("D:/DemoSpace/coding2017/group16/1287642108/0305/src/com/coderising/litestruts/struts.xml"));
+			 Element root = document.getRootElement(); 
+			 //根据节点名称找节点
+			 Node node = root.selectSingleNode("action[@name='"+actionName+"']");
+			 String classPath = ((Element) node).attributeValue("class");
+			 //根据类名反射实例化
+			 Class<?> onwClass = Class.forName(classPath);
+			 Object o = onwClass.newInstance();
+			 Method setName = onwClass.getMethod("setName",String.class);
+	         Method setPassword = onwClass.getMethod("setPassword",String.class);
+	         Method execute = onwClass.getMethod("execute");
+	         Method getName = onwClass.getMethod("getName");
+	         Method getPassword = onwClass.getMethod("getPassword");
+	         Method getMessage = onwClass.getMethod("getMessage");
+	         setName.invoke(o,parameters.get("name"));
+	         setPassword.invoke(o,parameters.get("password"));
+	         String result = (String) execute.invoke(o);
+	         //组装params参数
+	         HashMap<String,String> map = new HashMap<>();
+	         String name = (String) getName.invoke(o);
+	         String password = (String) getPassword.invoke(o);
+	         String message = (String) getMessage.invoke(o);
+	         map.put("name", name);
+	         map.put("password", password);
+	         map.put("message", message);
+	         //组装view数据
+	         View view = new View();
+	         view.setParameters(map);
+	         //根据execute的返回值，找对应的jsp页面路径
+	         String jspPath = node.valueOf("//result[@name='"+result+"']");
+	         view.setJsp(jspPath);
+	         return view;
+		} catch (DocumentException e) {
+			e.printStackTrace();
+		}
     	return null;
-    }    
-
+    }   
 }
diff --git a/group16/1287642108/0305/src/com/coderising/litestruts/StrutsTest.java b/group16/1287642108/0305/src/com/coderising/litestruts/StrutsTest.java
@@ -1,19 +1,16 @@
 package com.coderising.litestruts;
 
+import java.lang.reflect.InvocationTargetException;
 import java.util.HashMap;
 import java.util.Map;
 
 import org.junit.Assert;
 import org.junit.Test;
 
-
-
-
-
 public class StrutsTest {
 
 	@Test
-	public void testLoginActionSuccess() {
+	public void testLoginActionSuccess() throws ClassNotFoundException, InstantiationException, IllegalAccessException, IllegalArgumentException, InvocationTargetException, NoSuchMethodException, SecurityException {
 
 		String actionName = "login";
 
@@ -29,7 +26,7 @@ public void testLoginActionSuccess() {
 	}
 
 	@Test
-	public void testLoginActionFailed() {
+	public void testLoginActionFailed() throws ClassNotFoundException, InstantiationException, IllegalAccessException, IllegalArgumentException, InvocationTargetException, NoSuchMethodException, SecurityException {
 		String actionName = "login";
 		Map<String,String> params = new HashMap<String,String>();
         params.put("name","test");

diff --git a/group16/1287642108/0305/src/com/coderising/litestruts/struts.xml b/group16/1287642108/0305/src/com/coderising/litestruts/struts.xml
@@ -1,11 +1,11 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <struts>
-    <action name="login" class="com.coderising.action.LoginAction">
+    <action name="login" class="com.coderising.litestruts.LoginAction">
         <result name="success">/jsp/homepage.jsp</result>
         <result name="fail">/jsp/showLogin.jsp</result>
     </action>
     <action name="logout" class="com.coderising.action.LogoutAction">
-    	<result = "success">/jsp/welcome.jsp</result>
-    	<result = "error">/jsp/error.jsp</result>
+    	<result name="success">/jsp/welcome.jsp</result>
+    	<result name="error">/jsp/error.jsp</result>
     </action>
-</struts>
+</struts>