Spring项目版

.idea/.gitignore

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+# Default ignored files
+/shelf/
+/workspace.xml
+# Datasource local storage ignored files
+/dataSources/
+/dataSources.local.xml
+# Editor-based HTTP Client requests
+/httpRequests/

.idea/compiler.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="CompilerConfiguration">
+    <annotationProcessing>
+      <profile name="Maven default annotation processors profile" enabled="true">
+        <sourceOutputDir name="target/generated-sources/annotations" />
+        <sourceTestOutputDir name="target/generated-test-sources/test-annotations" />
+        <outputRelativeToContentRoot value="true" />
+        <module name="maven-jedis" />
+      </profile>
+    </annotationProcessing>
+  </component>
+</project>

.idea/inspectionProfiles/Project_Default.xml

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+<component name="InspectionProjectProfileManager">
+  <profile version="1.0">
+    <option name="myName" value="Project Default" />
+    <inspection_tool class="JavaDoc" enabled="true" level="WARNING" enabled_by_default="true">
+      <option name="TOP_LEVEL_CLASS_OPTIONS">
+        <value>
+          <option name="ACCESS_JAVADOC_REQUIRED_FOR" value="none" />
+          <option name="REQUIRED_TAGS" value="" />
+        </value>
+      </option>
+      <option name="INNER_CLASS_OPTIONS">
+        <value>
+          <option name="ACCESS_JAVADOC_REQUIRED_FOR" value="none" />
+          <option name="REQUIRED_TAGS" value="" />
+        </value>
+      </option>
+      <option name="METHOD_OPTIONS">
+        <value>
+          <option name="ACCESS_JAVADOC_REQUIRED_FOR" value="none" />
+          <option name="REQUIRED_TAGS" value="@return@param@throws or @exception" />
+        </value>
+      </option>
+      <option name="FIELD_OPTIONS">
+        <value>
+          <option name="ACCESS_JAVADOC_REQUIRED_FOR" value="none" />
+          <option name="REQUIRED_TAGS" value="" />
+        </value>
+      </option>
+      <option name="IGNORE_DEPRECATED" value="false" />
+      <option name="IGNORE_JAVADOC_PERIOD" value="true" />
+      <option name="IGNORE_DUPLICATED_THROWS" value="false" />
+      <option name="IGNORE_POINT_TO_ITSELF" value="false" />
+      <option name="myAdditionalJavadocTags" value="date" />
+    </inspection_tool>
+  </profile>
+</component>

.idea/jarRepositories.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="RemoteRepositoriesConfiguration">
+    <remote-repository>
+      <option name="id" value="central" />
+      <option name="name" value="Maven Central repository" />
+      <option name="url" value="https://repo1.maven.org/maven2" />
+    </remote-repository>
+    <remote-repository>
+      <option name="id" value="central" />
+      <option name="name" value="Central Repository" />
+      <option name="url" value="http://maven.aliyun.com/nexus/content/groups/public/" />
+    </remote-repository>
+    <remote-repository>
+      <option name="id" value="jboss.community" />
+      <option name="name" value="JBoss Community repository" />
+      <option name="url" value="https://repository.jboss.org/nexus/content/repositories/public/" />
+    </remote-repository>
+  </component>
+</project>

.idea/misc.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ExternalStorageConfigurationManager" enabled="true" />
+  <component name="FrameworkDetectionExcludesConfiguration">
+    <file type="web" url="file://$PROJECT_DIR$" />
+  </component>
+  <component name="MavenProjectsManager">
+    <option name="originalFiles">
+      <list>
+        <option value="$PROJECT_DIR$/pom.xml" />
+      </list>
+    </option>
+  </component>
+  <component name="ProjectRootManager" version="2" project-jdk-name="17" project-jdk-type="JavaSDK">
+    <output url="file://$PROJECT_DIR$/out" />
+  </component>
+</project>

.idea/vcs.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="$PROJECT_DIR$" vcs="Git" />
+  </component>
+</project>

maven-jedis.iml

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+<?xml version="1.0" encoding="UTF-8"?>
+<module type="JAVA_MODULE" version="4" />

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.jedis.query</groupId>
+  <artifactId>maven-jedis</artifactId>
+  <version>1.0-SNAPSHOT</version>
+  <packaging>jar</packaging>
+
+  <name>maven-jedis Maven Webapp</name>
+  <!-- FIXME change it to the project's website -->
+  <url>http://www.example.com</url>
+
+  <properties>
+    <maven.compiler.source>17</maven.compiler.source>
+    <maven.compiler.target>17</maven.compiler.target>
+    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+  </properties>
+
+
+
+  <dependencies>
+    <dependency>
+      <groupId>org.springframework</groupId>
+      <artifactId>spring-context</artifactId>
+      <version>6.0.12</version>
+    </dependency>
+    <dependency>
+      <groupId>junit</groupId>
+      <artifactId>junit</artifactId>
+      <version>4.13.2</version>
+      <scope>test</scope>
+    </dependency>
+    <dependency>
+      <groupId>javax.servlet</groupId>
+      <artifactId>servlet-api</artifactId>
+      <version>2.5</version>
+    </dependency>
+    <dependency>
+      <groupId>org.apache.tomcat.embed</groupId>
+      <artifactId>tomcat-embed-core</artifactId>
+      <version>9.0.79</version>
+    </dependency>
+  </dependencies>
+</project>

src/main/java/example/controller/SpringMvcController.java

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+package example.controller;
+
+
+
+import example.enjoy.EnjoyAutowired;
+import example.enjoy.EnjoyController;
+import example.enjoy.EnjoyRequestMapping;
+import example.enjoy.EnjoyRequestParam;
+import example.service.SpringMvcService;
+
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+import java.io.IOException;
+import java.io.PrintWriter;
+
+@EnjoyController
+@EnjoyRequestMapping("/SpringMvc")
+public class SpringMvcController {
+
+    @EnjoyAutowired("SpringMvcServiceImpl")   //map.get(key)
+    private SpringMvcService service;
+
+    @EnjoyRequestMapping("/query")
+    public void query(HttpServletRequest request, HttpServletResponse response,
+                      @EnjoyRequestParam("name") String name, @EnjoyRequestParam("age") String age){
+        try {
+            PrintWriter pw=response.getWriter();
+            String result = service.query(name, age);
+            pw.write(result);
+        } catch (IOException e) {
+            throw new RuntimeException(e);
+        }
+    }
+}

src/main/java/example/enjoy/EnjoyAutowired.java

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+package example.enjoy;
+
+import javax.swing.*;
+import java.lang.annotation.*;
+
+@Target({ElementType.FIELD})
+@Retention(RetentionPolicy.RUNTIME)
+@Documented //javadoc
+public @interface EnjoyAutowired {
+    String value() default "";
+}

src/main/java/example/enjoy/EnjoyController.java

@@ -0,0 +1,10 @@
+package example.enjoy;
+
+import java.lang.annotation.*;
+
+@Target({ElementType.TYPE})
+@Retention(RetentionPolicy.RUNTIME)
+@Documented //javadoc
+public @interface EnjoyController {
+    String value() default "";
+}

src/main/java/example/enjoy/EnjoyRequestMapping.java

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+package example.enjoy;
+
+import java.lang.annotation.*;
+
+@Target({ElementType.TYPE, ElementType.METHOD})
+@Retention(RetentionPolicy.RUNTIME)
+@Documented //javadoc
+public @interface EnjoyRequestMapping {
+    String value() default "";
+}

src/main/java/example/enjoy/EnjoyRequestParam.java

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+package example.enjoy;
+
+import java.lang.annotation.*;
+
+@Target({ElementType.PARAMETER})
+@Retention(RetentionPolicy.RUNTIME)
+@Documented //javadoc
+public @interface EnjoyRequestParam {
+    String value() default "";
+}

src/main/java/example/enjoy/EnjoyService.java

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+package example.enjoy;
+
+import java.lang.annotation.*;
+
+@Target({ElementType.TYPE})
+@Retention(RetentionPolicy.RUNTIME)
+@Documented //javadoc
+public @interface EnjoyService {
+    String value() default "";
+}

src/main/java/example/service/Impl/SpringMvcServiceImpl.java

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+package example.service.Impl;
+
+
+import example.service.SpringMvcService;
+
+public class SpringMvcServiceImpl implements SpringMvcService {
+    @Override
+    public String query(String name, String age) {
+        return "name==="+name+";age==="+age;
+    }
+}

src/main/java/example/service/SpringMvcService.java

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+package example.service;
+
+public interface SpringMvcService {
+    String query(String name,String age);
+}

src/main/java/example/servlet/DispatcherServlet.java

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+package example.servlet;
+
+
+import example.controller.SpringMvcController;
+import example.enjoy.*;
+
+import javax.servlet.*;
+import javax.servlet.http.HttpServlet;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+import java.io.File;
+import java.io.IOException;
+import java.lang.annotation.Annotation;
+import java.lang.reflect.Field;
+import java.lang.reflect.InvocationTargetException;
+import java.lang.reflect.Method;
+import java.net.URL;
+import java.util.*;
+
+public class DispatcherServlet extends HttpServlet {
+
+    List<String> classNames=new ArrayList<String>();
+
+    Map<String,Object> beans=new HashMap<String,Object>();
+
+    Map<String,Object> hanlderMap=new HashMap<String,Object>();
+
+    /**
+     *
+     */
+    private static final long serialVersionUID=1L;
+
+    public void init(ServletConfig config){
+       //扫描出所有的bean
+        scanPackage("org.example");
+
+        doInstance();//根据全类名创建bean
+
+        doIOC();//根据bean进行依赖注入
+
+    }
+
+    private void scanPackage(String basePackage){
+        URL url=this.getClass().getClassLoader().getResource("/"+basePackage.replaceAll("\\.","/"));
+        String fileSet=url.getFile();
+        File file = new File(fileSet);
+        String[] filesStr = file.list();
+        for (String path : filesStr) {
+            File filePath = new File(filesStr + path);
+            if (filePath.isDirectory()){
+                scanPackage(basePackage+"."+path);
+            }else {
+                //加入list
+                classNames.add(basePackage+"."+filePath.getName());//全类名
+            }
+        }
+    }
+
+
+    //根据扫描 List全类名，进行实例化
+    private void doInstance(){
+        if (classNames.size() <=0){
+            System.out.println("包扫描失败");
+            return;
+        }
+        //list的class类 对这些类进行
+
+        for (String className : classNames) {
+            String cn = className.replace(".class","");
+            try {
+                Class<?> clazz = Class.forName(cn);
+                if (clazz.isAnnotationPresent(EnjoyController.class)){
+                    Object instance = clazz.newInstance();//创建控制类
+                    EnjoyRequestMapping requestMapping = clazz.getAnnotation(EnjoyRequestMapping.class);
+                    String rmvalue=requestMapping.value();
+                    beans.put(rmvalue,instance);
+                }else if (clazz.isAnnotationPresent(EnjoyService.class)){
+                    EnjoyService service=clazz.getAnnotation(EnjoyService.class);
+                    Object instance=clazz.newInstance();
+                    beans.put(service.value(),instance);
+                }
+
+            } catch (ClassNotFoundException e) {
+                throw new RuntimeException(e);
+            } catch (InstantiationException e) {
+                throw new RuntimeException(e);
+            } catch (IllegalAccessException e) {
+                throw new RuntimeException(e);
+            }
+        }
+    }
+
+    /**
+     * 把service注入controller
+     */
+    public void doIOC() {
+        if (beans.entrySet().size() <= 0) {
+            System.out.println("没有实例化的类");
+        }
+        //把map里的所有类实例化遍历出来
+        for (Map.Entry<String, Object> entry : beans.entrySet()) {
+            Object instance = entry.getValue();
+            Class<?> Class = instance.getClass();
+            if (Class.isAnnotationPresent(EnjoyController.class)) {
+                Field[] fields = Class.getDeclaredFields();
+                for (Field field : fields) {
+                    if (field.isAnnotationPresent(EnjoyAutowired.class)) {
+                        EnjoyAutowired auto = field.getAnnotation(EnjoyAutowired.class);
+                        String key = auto.value();
+                        field.setAccessible(true);
+                        try {
+                            field.set(instance, beans.get(key));
+                        } catch (IllegalAccessException e) {
+                            e.printStackTrace();
+                        }
+                    } else {
+                        continue;
+                    }
+                }
+            }else {
+                continue;
+            }
+        }
+    }
+
+
+    private void buildUrlMapping(){
+        if (beans.entrySet().size() <=0){
+            System.out.println("没有类的实例化-----");
+            return;
+        }
+        for (Map.Entry<String, Object> entry : beans.entrySet()) {
+            Object instance = entry.getValue();
+            Class<?> clazz = instance.getClass();
+            if (clazz.isAnnotationPresent(EnjoyController.class)){
+                EnjoyRequestMapping requestMapping = clazz.getAnnotation(EnjoyRequestMapping.class);
+                String classPath = requestMapping.value();
+                Method[] methods=clazz.getMethods();
+                for (Method method : methods) {
+                    if (method.isAnnotationPresent(EnjoyRequestMapping.class)){
+                        EnjoyRequestMapping methodMapping=method.getAnnotation(EnjoyRequestMapping.class);
+                        String methodPath = methodMapping.value();
+                        hanlderMap.put(classPath+methodPath,method);
+                    }else {
+                        continue;
+                    }
+                }
+            }else {
+                continue;
+            }
+        }
+    }
+
+
+    /**
+     * 互相调用
+     * @param req
+     * @param resp
+     * @throws ServletException
+     * @throws IOException
+     */
+    @Override
+    protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
+        super.doGet(req, resp);
+    }
+
+    @Override
+    protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
+        super.doPost(req, resp);
+        String uri = req.getRequestURI();
+        String context = req.getContextPath();
+        String path = uri.replace(context, "");
+
+        Method method = (Method) hanlderMap.get(path);
+
+        SpringMvcController istance=(SpringMvcController) beans.get("/"+path.split("/")[1]);
+
+        Object[] args = hand(req, resp, method);
+        try {
+            method.invoke(istance, args);
+        } catch (IllegalAccessException e) {
+            e.printStackTrace();
+        } catch (InvocationTargetException e) {
+            e.printStackTrace();
+        }
+    }
+
+    private static Object[] hand(HttpServletRequest request, HttpServletResponse response, Method method) {
+        //拿到待执行的方法有哪些参数
+        Class<?>[] paramClazzs = method.getParameterTypes();
+
+        //根据参数的个数，new 一个参数的数组，将方法的所有参数赋值到args
+        Object[] args = new Object[paramClazzs.length];
+
+        int args_i = 0;
+        int index = 0;
+        for (Class<?> paramClazz : paramClazzs) {
+            if (ServletRequest.class.isAssignableFrom(paramClazz)) {
+                args[args_i++] = request;
+            }
+            if (ServletResponse.class.isAssignableFrom(paramClazz)) {
+                args[args_i++] = response;
+            }
+            Annotation[] paramAns = method.getParameterAnnotations()[index];
+            if (paramAns.length > 0) {
+                for (Annotation paramAn : paramAns) {
+                    if (EnjoyRequestParam.class.isAssignableFrom(paramAn.getClass())) {
+                        EnjoyRequestParam rp = (EnjoyRequestParam) paramAn;
+
+                        args[args_i++] = request.getParameter(rp.value());
+                    }
+                }
+            }
+            index++;
+        }
+        return args;
+    }
+}

src/main/webapp/WEB-INF/web.xml

@@ -0,0 +1,19 @@
+<!DOCTYPE web-app PUBLIC
+ "-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN"
+ "http://java.sun.com/dtd/web-app_2_3.dtd" >
+
+<web-app>
+  <display-name>Archetype Created Web Application</display-name>
+
+
+  <!-- SpringMvc的核心控制器 -->
+  <servlet>
+    <servlet-name>DispatcherServlet</servlet-name>
+    <servlet-class>example.servlet.DispatcherServlet</servlet-class>
+  </servlet>
+
+  <servlet-mapping>
+    <servlet-name>DispatcherServlet</servlet-name>
+    <url-pattern>/</url-pattern>
+  </servlet-mapping>
+</web-app>

src/main/webapp/index.jsp

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+<html>
+<body>
+<h2>Hello World!</h2>
+</body>
+</html>

target/maven-archiver/pom.properties

@@ -0,0 +1,3 @@
+artifactId=maven-jedis
+groupId=com.jedis.query
+version=1.0-SNAPSHOT

target/maven-jedis-1.0-SNAPSHOT/WEB-INF/web.xml

@@ -0,0 +1,19 @@
+<!DOCTYPE web-app PUBLIC
+ "-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN"
+ "http://java.sun.com/dtd/web-app_2_3.dtd" >
+
+<web-app>
+  <display-name>Archetype Created Web Application</display-name>
+
+
+  <!-- SpringMvc的核心控制器 -->
+  <servlet>
+    <servlet-name>DispatcherServlet</servlet-name>
+    <servlet-class>example.servlet.DispatcherServlet</servlet-class>
+  </servlet>
+
+  <servlet-mapping>
+    <servlet-name>DispatcherServlet</servlet-name>
+    <url-pattern>/</url-pattern>
+  </servlet-mapping>
+</web-app>

target/maven-jedis-1.0-SNAPSHOT/index.jsp

@@ -0,0 +1,5 @@
+<html>
+<body>
+<h2>Hello World!</h2>
+</body>
+</html>

target/maven-status/maven-compiler-plugin/compile/default-compile/createdFiles.lst

@@ -0,0 +1,9 @@
+example\service\Impl\SpringMvcServiceImpl.class
+example\enjoy\EnjoyController.class
+example\servlet\DispatcherServlet.class
+example\enjoy\EnjoyService.class
+example\enjoy\EnjoyAutowired.class
+example\service\SpringMvcService.class
+example\controller\SpringMvcController.class
+example\enjoy\EnjoyRequestMapping.class
+example\enjoy\EnjoyRequestParam.class

target/maven-status/maven-compiler-plugin/compile/default-compile/inputFiles.lst

@@ -0,0 +1,9 @@
+C:\Users\李闯\AppData\Local\Temp\Temp0db3f973-e829-414b-9433-ceaf8f4759fe_Test1-master.zip\maven-jedis\src\main\java\example\controller\SpringMvcController.java
+C:\Users\李闯\AppData\Local\Temp\Temp0db3f973-e829-414b-9433-ceaf8f4759fe_Test1-master.zip\maven-jedis\src\main\java\example\enjoy\EnjoyController.java
+C:\Users\李闯\AppData\Local\Temp\Temp0db3f973-e829-414b-9433-ceaf8f4759fe_Test1-master.zip\maven-jedis\src\main\java\example\service\SpringMvcService.java
+C:\Users\李闯\AppData\Local\Temp\Temp0db3f973-e829-414b-9433-ceaf8f4759fe_Test1-master.zip\maven-jedis\src\main\java\example\service\Impl\SpringMvcServiceImpl.java
+C:\Users\李闯\AppData\Local\Temp\Temp0db3f973-e829-414b-9433-ceaf8f4759fe_Test1-master.zip\maven-jedis\src\main\java\example\enjoy\EnjoyRequestParam.java
+C:\Users\李闯\AppData\Local\Temp\Temp0db3f973-e829-414b-9433-ceaf8f4759fe_Test1-master.zip\maven-jedis\src\main\java\example\servlet\DispatcherServlet.java
+C:\Users\李闯\AppData\Local\Temp\Temp0db3f973-e829-414b-9433-ceaf8f4759fe_Test1-master.zip\maven-jedis\src\main\java\example\enjoy\EnjoyRequestMapping.java
+C:\Users\李闯\AppData\Local\Temp\Temp0db3f973-e829-414b-9433-ceaf8f4759fe_Test1-master.zip\maven-jedis\src\main\java\example\enjoy\EnjoyService.java
+C:\Users\李闯\AppData\Local\Temp\Temp0db3f973-e829-414b-9433-ceaf8f4759fe_Test1-master.zip\maven-jedis\src\main\java\example\enjoy\EnjoyAutowired.java