spring 完结

Spring/Spring5/code/shangguigu04/src/Main.java

@@ -0,0 +1,9 @@
+/**
+ * @author yinkanglong
+ * @version $Id: ${NAME}, v 0.1 ${YEAR}-${MONTH}-${DAY} ${TIME} yinkanglong Exp $
+ */
+public class Main {
+    public static void main(String[] args) {
+        System.out.println("Hello world!");
+    }
+}

Spring/Spring5/code/shangguigu04/src/bean01.xml

@@ -0,0 +1,14 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<beans xmlns="http://www.springframework.org/schema/beans"
+       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+       xmlns:context="http://www.springframework.org/schema/context"
+       xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
+       http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd">
+
+    <!--开启组件扫描
+        1. 如果扫描多个包，多个包之间使用逗号隔开
+        2. 扫描包的上层目录-->
+    <context:component-scan base-package="com.ykl"></context:component-scan>
+
+</beans>
+

Spring/Spring5/code/shangguigu04/src/com/ykl/config/SpringConfig.java

@@ -0,0 +1,19 @@
+/**
+ * Alipay.com Inc.
+ * Copyright (c) 2004-2022 All Rights Reserved.
+ */
+package com.ykl.config;
+
+import org.springframework.context.annotation.ComponentScan;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.stereotype.Component;
+
+/**
+ * @author yinkanglong
+ * @version : SpringConfig, v 0.1 2022-10-09 13:18 yinkanglong Exp $
+ */
+@Configuration
+@ComponentScan(basePackages = {"com.ykl"})
+public class SpringConfig {
+
+}

Spring/Spring5/code/shangguigu04/src/com/ykl/dao/UserDo.java

@@ -0,0 +1,13 @@
+/**
+ * Alipay.com Inc.
+ * Copyright (c) 2004-2022 All Rights Reserved.
+ */
+package com.ykl.dao;
+
+/**
+ * @author yinkanglong
+ * @version : UserDo, v 0.1 2022-10-09 12:03 yinkanglong Exp $
+ */
+public interface UserDo {
+    public void add();
+}

Spring/Spring5/code/shangguigu04/src/com/ykl/dao/UserDoImpl.java

@@ -0,0 +1,19 @@
+/**
+ * Alipay.com Inc.
+ * Copyright (c) 2004-2022 All Rights Reserved.
+ */
+package com.ykl.dao;
+
+import org.springframework.stereotype.Repository;
+
+/**
+ * @author yinkanglong
+ * @version : UserDoImpl, v 0.1 2022-10-09 12:04 yinkanglong Exp $
+ */
+@Repository
+public class UserDoImpl implements UserDo{
+    @Override
+    public void add() {
+        System.out.println("dao add ... ...");
+    }
+}

Spring/Spring5/code/shangguigu04/src/com/ykl/service/UserService.java

@@ -0,0 +1,28 @@
+/**
+ * Alipay.com Inc.
+ * Copyright (c) 2004-2022 All Rights Reserved.
+ */
+package com.ykl.service;
+
+import com.ykl.dao.UserDo;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.beans.factory.annotation.Qualifier;
+import org.springframework.stereotype.Component;
+import org.springframework.stereotype.Service;
+
+/**
+ * 与xml配置等价，value值可以省略不写
+ * 默认值是类名称，首字母小写。
+ */
+@Service
+public class UserService {
+
+    @Autowired
+    @Qualifier(value = "userDoImpl")
+    private UserDo userDo;
+    public void add(){
+        System.out.println("service add ... ...");
+
+        userDo.add();
+    }
+}

Spring/Spring5/code/shangguigu04/src/com/ykl/test/Test01.java

@@ -0,0 +1,36 @@
+/**
+ * Alipay.com Inc.
+ * Copyright (c) 2004-2022 All Rights Reserved.
+ */
+package com.ykl.test;
+
+import com.ykl.config.SpringConfig;
+import com.ykl.service.UserService;
+import org.junit.Test;
+import org.springframework.context.ApplicationContext;
+import org.springframework.context.annotation.AnnotationConfigApplicationContext;
+import org.springframework.context.support.ClassPathXmlApplicationContext;
+
+/**
+ * @author yinkanglong
+ * @version : Test01, v 0.1 2022-10-08 16:09 yinkanglong Exp $
+ */
+public class Test01 {
+
+    @Test
+    public void testService(){
+        ApplicationContext context = new ClassPathXmlApplicationContext("bean01.xml");
+        UserService userService = context.getBean("userService", UserService.class);
+        userService.add();
+    }
+
+
+    @Test
+    public void testConfig(){
+        //加载配置类
+        ApplicationContext context = new AnnotationConfigApplicationContext(SpringConfig.class);
+        UserService userService = context.getBean("userService", UserService.class);
+        userService.add();
+    }
+
+}

Spring/Spring5/code/shangguigu04/src/jdbc.properties

@@ -0,0 +1,4 @@
+prop.driverClass=com.mysql.jdbc.Driver
+prop.url=jdbc:mysql://localhost:3306/user
+prop.username=root
+prop.password=123456