master

group17/116665530/myStruts/pom.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+
+    <groupId>com.coding</groupId>
+    <artifactId>myStruts</artifactId>
+    <version>1.0-SNAPSHOT</version>
+
+    <dependencies>
+        <dependency>
+            <groupId>dom4j</groupId>
+            <artifactId>dom4j</artifactId>
+            <version>1.6</version>
+        </dependency>
+    </dependencies>
+</project>

group17/116665530/myStruts/src/main/java/reflex/LoginAction.java

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+package reflex;
+
+public class LoginAction {
+    private String name;
+    private String passWord;
+    private String result;
+    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 getResult() {
+        return result;
+    }
+
+    public String getMessage() {
+        return message;
+    }
+
+    public String exectue(){
+        if(this.getName().equals("admin")&&this.getPassWord().equals("123")){
+            this.message="登录成功";
+            return "sucess";
+        }
+        this.message="登录失败";
+        return "fail";
+    }
+}

group17/116665530/myStruts/src/main/java/reflex/Struts.java

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+package reflex;
+
+import org.dom4j.Document;
+import org.dom4j.Element;
+import org.dom4j.io.SAXReader;
+
+import java.io.File;
+import java.util.*;
+
+public class Struts {
+    public static View runAction(String actionName,Map<String,String> parameters){
+        //读取配置文件
+        File myXML = new File("src/main/java/reflex/struts.xml");
+        SAXReader sr = new SAXReader();
+        try {
+            Document doc = sr.read(myXML);
+            Element root = doc.getRootElement();
+            String className=findByActionName(root,actionName);
+            java.lang.Object o = findByClassName(className,parameters);
+            Class c = o.getClass();
+            String result =(String) c.getMethod("exectue").invoke(o);
+            String message = (String) c.getMethod("getMessage").invoke(o);
+            Map<String,String> map =new HashMap<String, String>();
+            map.put("message",message);
+            View view = new View();
+            view.setParameters(map);
+            String jsp = findJspByResult(root,className,result);
+            view.setJsp(jsp);
+            return view;
+        } catch (Exception e) {
+            e.printStackTrace();
+            return null;
+        }
+    }
+
+    private static String findByActionName(Element node,String actionName) {
+        List<Element> list = node.elements();
+        for(Element element:list){
+            if(element.attribute("name").getValue().equals(actionName)){
+                return element.attribute("class").getValue();
+            }
+        }
+        return null;
+    }
+    private static java.lang.Object findByClassName(String name, Map<String,String> parameter){
+        try {
+            Class c = Class.forName(name);
+            Object o = c.newInstance();
+            Set<String> keys = parameter.keySet();
+            for (String key:keys){
+                String methodName = "set"+key.substring(0,1).toUpperCase()+key.substring(1);
+                c.getMethod(methodName,String.class).invoke(o,parameter.get(key));
+            }
+            return o;
+
+        } catch (Exception e) {
+            e.printStackTrace();
+            return null;
+        }
+    }
+    private static String findJspByResult(Element node,String calssName,String result){
+        List<Element> list = node.elements();
+        for(Element element:list){
+            if(element.attribute("class").getValue().equals(calssName)){
+                List<Element> list1 = element.elements();
+                for(Element element1:list1){
+                    if(element1.attribute("name").getValue().equals(result)){
+                        return element1.getStringValue();
+                    }
+                }
+            }
+        }
+        return null;
+    }
+}

group17/116665530/myStruts/src/main/java/reflex/View.java

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+package reflex;
+
+import java.util.Map;
+
+public class View {
+    private String jsp;
+    private Map<String,String> parameters;
+
+    public String getJsp() {
+        return jsp;
+    }
+
+    public void setJsp(String jsp) {
+        this.jsp = jsp;
+    }
+
+    public Map<String, String> getParameters() {
+        return parameters;
+    }
+
+    public void setParameters(Map<String, String> parameters) {
+        this.parameters = parameters;
+    }
+}

group17/116665530/myStruts/src/main/java/reflex/struts.xml

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+<?xml version="1.0" encoding="UTF-8" ?>
+<strus>
+    <action name="login" class="reflex.LoginAction">
+        <result name="sucess">/jsp/homepage.jsp</result>
+        <result name="fail">/jsp/showLogin.jsp</result>
+    </action>
+    <action name="logout" class="reflex.LogoutAction">
+        <result name="sucess">/jsp/welcom.jsp</result>
+        <result name="error">/jsp/error.jsp</result>
+    </action>
+</strus>

group17/116665530/myStruts/src/test/java/MyStrutsTest.java

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+import reflex.Struts;
+import reflex.View;
+
+import java.util.HashMap;
+import java.util.Map;
+
+public class MyStrutsTest {
+    public static void main(String[] args) {
+        Map<String,String> map = new HashMap<String, String>();
+        map.put("passWord","123");
+        map.put("name","admin");
+        View view= Struts.runAction("login",map);
+        System.out.println(view.getJsp());
+    }
+}