diff --git "a/\350\224\241\347\216\256\351\223\255/20241223 Spring\347\272\257\346\263\250\350\247\243/20241223 Spring\347\272\257\346\263\250\350\247\243.md" "b/\350\224\241\347\216\256\351\223\255/20241223 Spring\347\272\257\346\263\250\350\247\243/20241223 Spring\347\272\257\346\263\250\350\247\243.md"
new file mode 100644
index 0000000000000000000000000000000000000000..064bb73ffed3e676ee8a93fccd3933964e67475b
--- /dev/null
+++ "b/\350\224\241\347\216\256\351\223\255/20241223 Spring\347\272\257\346\263\250\350\247\243/20241223 Spring\347\272\257\346\263\250\350\247\243.md"
@@ -0,0 +1,597 @@
+## 课堂笔记
+
+#### **使用 Spring 纯 注解 进行数据库的操作步骤 及 注意事项**
+
+1. ##### **准备sql数据**
+
+2. ##### **导入依赖项**
+
+3. ##### **在 controller 目录中编写 表示层**
+
+4. ##### **在 dao 目录 (Mapper) 中编写 数据处理层**
+
+5. ##### **在 service 目录中编写 业务逻辑层**
+
+6. ##### **为 Bean 创建目录 config，并编写对应的 Bean 配置类**
+
+ 1. ##### **SpringConfig 配置**
+
+ 1. 声明自己是一个配置类 @Configuration
+ 2. 扫描Bean所在的包@ComponentScan("com.pdd")
+ 3. 为了方便管理，将jdbc和mybatis的配置单独成一个子配置文件
+ 4. @ComponentScan({"com.controller","com.service","com.entity"}) 扫描包并生成对于的Bean类
+ 5. @Import({JdbcConfig.class, MyBatisConfig.class}) 将刚才创建的两个子配置文件导入进来
+
+ 2. **JdbcConfig 配置**
+
+ 1. @Component 声明自己是组件一部分
+ 2. @PropertySource("classpath:jdbc.properties") 加载外部的属性文件
+ 3. 以@Value注解，注入四个属性变量@Value("${jdbc.driver}"),@Value("${jdbc.url}") ......
+ 4. 以自定义方法的形式，返回一个DataSource的对象
+ 5. 不要忘记在这个方法上加上@Bean注解
+
+ 3. ##### **MybatisConfig 配置**
+
+ 1. @Component 声明自己是组件一部分
+ 2. @MapperScan("com.dao") 扫描daor代理接口所在的包
+ 3. 以自定义方式的形式， 返回一个SqlSessionFactoryBean的对象
+ 4. 不要忘记在这个方法上加上@Bean注解
+
+7. ##### **测试代码**
+
+ ##### **依赖注入的方式**
+
+ 1. @RunWith(SpringJUnit4ClassRunner.class) 测试类上方加这个注解
+ 2. @ContextConfiguration(classes = SpringConfig.class) 测试类上方加这个注解
+ 3. 直接将需要的对象，以属性自动装配的方式注入 @Autowired ;
+ 4. 直接使用这个注入的对象;
+
+## 课后作业
+
+#### **使用 Spring 纯 注解 进行数据库的操作**
+
+#### **项目结构预览**
+
+
+
+#### **具体步骤**
+
+##### **一、准备sql数据**
+
+```sql
+/*
+ Navicat Premium Dump SQL
+
+ Source Server : mysql
+ Source Server Type : MySQL
+ Source Server Version : 80034 (8.0.34)
+ Source Host : localhost:3306
+ Source Schema : company
+
+ Target Server Type : MySQL
+ Target Server Version : 80034 (8.0.34)
+ File Encoding : 65001
+
+ Date: 06/12/2024 10:48:27
+*/
+drop database if exists company;
+create database if not exists company;
+
+use company;
+
+SET NAMES utf8mb4;
+SET FOREIGN_KEY_CHECKS = 0;
+
+-- ----------------------------
+
+-- Table structure for dept
+
+-- ----------------------------
+
+DROP TABLE IF EXISTS `dept`;
+CREATE TABLE `dept` (
+ `deptno` int NOT NULL,
+ `dname` varchar(20) CHARACTER SET utf8mb4 COLLATE utf8mb4_0900_ai_ci NULL DEFAULT NULL,
+ `loc` varchar(20) CHARACTER SET utf8mb4 COLLATE utf8mb4_0900_ai_ci NULL DEFAULT NULL,
+ PRIMARY KEY (`deptno`) USING BTREE
+) ENGINE = InnoDB CHARACTER SET = utf8mb4 COLLATE = utf8mb4_0900_ai_ci ROW_FORMAT = Dynamic;
+
+-- ----------------------------
+
+-- Records of dept
+
+-- ----------------------------
+
+INSERT INTO `dept` VALUES (10, '教研部', '北京');
+INSERT INTO `dept` VALUES (20, '学工部', '上海');
+INSERT INTO `dept` VALUES (30, '销售部', '广州');
+INSERT INTO `dept` VALUES (40, '财务部', '武汉');
+
+-- ----------------------------
+
+-- Table structure for emp
+
+-- ----------------------------
+
+DROP TABLE IF EXISTS `emp`;
+CREATE TABLE `emp` (
+ `empno` int NOT NULL,
+ `ename` varchar(20) CHARACTER SET utf8mb4 COLLATE utf8mb4_0900_ai_ci NULL DEFAULT NULL,
+ `job` varchar(20) CHARACTER SET utf8mb4 COLLATE utf8mb4_0900_ai_ci NULL DEFAULT NULL,
+ `mgr` int NULL DEFAULT NULL,
+ `hiredate` date NULL DEFAULT NULL,
+ `sal` decimal(8, 2) NULL DEFAULT NULL,
+ `comm` decimal(8, 2) NULL DEFAULT NULL,
+ `deptno` int NULL DEFAULT NULL,
+ PRIMARY KEY (`empno`) USING BTREE,
+ INDEX `deptno`(`deptno` ASC) USING BTREE,
+ CONSTRAINT `emp_ibfk_1` FOREIGN KEY (`deptno`) REFERENCES `dept` (`deptno`) ON DELETE SET NULL ON UPDATE CASCADE
+) ENGINE = InnoDB CHARACTER SET = utf8mb4 COLLATE = utf8mb4_0900_ai_ci ROW_FORMAT = Dynamic;
+
+-- ----------------------------
+
+-- Records of emp
+
+-- ----------------------------
+
+INSERT INTO `emp` VALUES (1001, '甘宁', '文员', 1013, '2000-12-17', 8000.00, NULL, 20);
+INSERT INTO `emp` VALUES (1002, '黛绮丝', '销售员', 1006, '2001-02-20', 16000.00, 3000.00, 30);
+INSERT INTO `emp` VALUES (1003, '殷天正', '销售员', 1006, '2001-02-22', 12500.00, 5000.00, 30);
+INSERT INTO `emp` VALUES (1004, '刘备', '经理', 1009, '2001-04-02', 29750.00, NULL, 20);
+INSERT INTO `emp` VALUES (1005, '谢逊', '销售员', 1006, '2001-09-28', 12500.00, 14000.00, 30);
+INSERT INTO `emp` VALUES (1006, '关羽', '经理', 1009, '2001-05-01', 28500.00, NULL, 30);
+INSERT INTO `emp` VALUES (1007, '张飞', '经理', 1009, '2001-09-01', 24500.00, NULL, 10);
+INSERT INTO `emp` VALUES (1008, '诸葛亮', '分析师', 1004, '2007-04-19', 30000.00, NULL, 20);
+INSERT INTO `emp` VALUES (1009, '曾阿牛', '董事长', NULL, '2001-11-17', 50000.00, NULL, 10);
+INSERT INTO `emp` VALUES (1010, '韦一笑', '销售员', 1006, '2001-09-08', 15000.00, 0.00, 30);
+INSERT INTO `emp` VALUES (1011, '周泰', '文员', 1008, '2007-05-23', 11000.00, NULL, 20);
+INSERT INTO `emp` VALUES (1012, '程普', '文员', 1006, '2001-12-03', 9500.00, NULL, 30);
+INSERT INTO `emp` VALUES (1013, '庞统', '分析师', 1004, '2001-12-03', 30000.00, NULL, 20);
+INSERT INTO `emp` VALUES (1014, '黄盖', '文员', 1007, '2002-01-23', 13000.00, NULL, 10);
+
+-- ----------------------------
+
+-- Table structure for salgrade
+
+-- ----------------------------
+
+DROP TABLE IF EXISTS `salgrade`;
+CREATE TABLE `salgrade` (
+ `grade` int NOT NULL,
+ `losal` int NULL DEFAULT NULL,
+ `hisal` int NULL DEFAULT NULL,
+ PRIMARY KEY (`grade`) USING BTREE
+) ENGINE = InnoDB CHARACTER SET = utf8mb4 COLLATE = utf8mb4_0900_ai_ci ROW_FORMAT = Dynamic;
+
+-- ----------------------------
+
+-- Records of salgrade
+
+-- ----------------------------
+
+INSERT INTO `salgrade` VALUES (1, 7000, 12000);
+INSERT INTO `salgrade` VALUES (2, 12010, 14000);
+INSERT INTO `salgrade` VALUES (3, 14010, 20000);
+INSERT INTO `salgrade` VALUES (4, 20010, 30000);
+INSERT INTO `salgrade` VALUES (5, 30010, 99990);
+
+SET FOREIGN_KEY_CHECKS = 1;
+```
+
+##### **二、导入依赖项**
+
+**pom.xml 依赖配置文件**
+
+```xml
+
+
+ 4.0.0
+
+ com.pdd
+ spring05
+ 1.0-SNAPSHOT
+
+
+
+ org.projectlombok
+ lombok
+ 1.18.36
+ compile
+
+
+
+ org.mybatis
+ mybatis
+ 3.5.16
+
+
+
+
+ com.mysql
+ mysql-connector-j
+ 8.3.0
+
+
+
+ junit
+ junit
+ 4.13.2
+ test
+
+
+
+ org.springframework
+ spring-context
+ 5.3.39
+
+
+
+
+ org.springframework
+ spring-jdbc
+ 5.3.39
+
+
+
+
+
+
+ com.alibaba
+ druid
+ 1.1.21
+
+
+
+
+
+ org.mybatis
+ mybatis-spring
+ 2.0.6
+
+
+
+
+ org.springframework
+ spring-test
+ 5.3.39
+
+
+
+```
+
+##### **三、在 controller 目录中编写 表示层**
+
+**EmployeeController 类**
+
+```java
+package com.controller;
+
+import com.entity.Employee;
+import com.service.EmployeeService;
+import lombok.Data;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Controller;
+
+@Data
+@Controller // 标识这是一个 bean
+public class EmployeeController {
+ // 表示层
+ @Autowired // 自动装配
+ private EmployeeService employeeService; // 依赖接口
+
+ // 按 id 查询一个员工
+ public Employee selectOneEmployee(int id) {
+ Employee employee = employeeService.selectEmployeeById(id);
+ return employee;
+ }
+
+ // 新增一个员工
+ public String insertOneEmployee(Employee employee) {
+ Boolean aBoolean = employeeService.insertEmployee(employee);
+ return aBoolean ? "新增成功" : "新增失败";
+ }
+
+ // 修改一个员工
+ public String updateOneEmployee(Employee employee) {
+ Boolean aBoolean = employeeService.updateEmployeeById(employee);
+ return aBoolean ? "修改成功" : "修改失败";
+ }
+
+ // 按 id 删除一个员工
+ public String deleteOneEmployee(int id) {
+ Boolean aBoolean = employeeService.deleteEmployeeById(id);
+ return aBoolean? "删除成功" : "删除失败";
+ }
+}
+```
+
+##### **四、在 dao 目录 (Mapper) 中编写 数据处理层**
+
+**EmployeeDao 接口**
+
+```java
+package com.dao;
+
+import com.entity.Employee;
+import org.apache.ibatis.annotations.*;
+
+@Mapper
+public interface EmployeeDao {
+ // 数据处理层
+
+ // 搜索员工方法
+ @Select("select * from emp where empno = #{id}")
+ Employee selectEmployeeById(int id);
+
+ // 新增员工方法
+ @Insert("INSERT INTO `emp` VALUES (#{empno},#{ename}, #{job}, #{mgr}, #{hiredate},#{sal}, #{comm}, #{deptno});")
+ int insertEmployee(Employee employee);
+
+ // 修改员工方法
+ @Update("update `emp`\n" +
+ " set ename = #{ename},\n" +
+ " job=#{job},\n" +
+ " mgr=#{mgr},\n" +
+ " hiredate=#{hiredate},\n" +
+ " sal=#{sal},\n" +
+ " comm= #{comm},\n" +
+ " deptno = #{deptno}\n" +
+ " where empno = #{empno};")
+ int updateEmployeeById(Employee employee);
+
+ // 删除员工方法
+ @Delete("delete from emp where empno = #{empno};")
+ int deleteEmployeeById(int id);
+}
+```
+
+##### **五、在 service 目录中编写 业务逻辑层**
+
+**EmployeeService 接口**
+
+```java
+package com.service;
+
+import com.entity.Employee;
+
+public interface EmployeeService {
+ // 业务逻辑层
+ // 加工搜索员工方法
+ Employee selectEmployeeById(int id);
+
+ // 加工新增员工方法
+ Boolean insertEmployee(Employee employee);
+
+ // 加工删除员工方法
+ Boolean deleteEmployeeById(int id);
+
+ // 加工修改员工方法
+ Boolean updateEmployeeById(Employee employee);
+}
+```
+
+**EmployeeServiceImpl 实现类**
+
+```java
+package com.service;
+
+import com.dao.EmployeeDao;
+import com.entity.Employee;
+import lombok.Data;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+
+@Data
+@Service
+public class EmployeeServiceImpl implements EmployeeService {
+ @Autowired // 自动装配
+ private EmployeeDao employeeDao; // 依赖接口
+
+ @Override
+ public Employee selectEmployeeById(int id) {
+ Employee employee = employeeDao.selectEmployeeById(id);
+ return employee;
+ }
+
+ @Override
+ public Boolean insertEmployee(Employee employee) {
+ int i = employeeDao.insertEmployee(employee);
+ return i > 0;
+ }
+
+ @Override
+ public Boolean deleteEmployeeById(int id) {
+ int i = employeeDao.deleteEmployeeById(id);
+ return i > 0;
+ }
+
+ @Override
+ public Boolean updateEmployeeById(Employee employee) {
+ int i = employeeDao.updateEmployeeById(employee);
+ return i > 0;
+ }
+
+}
+```
+
+##### **六、为 Bean 创建目录 config，**
+
+
+
+**SpringConfig 配置类**
+
+```java
+package com.config;
+
+import org.springframework.context.annotation.ComponentScan;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.context.annotation.Import;
+
+@Configuration // 声明自己是一个配置类
+@ComponentScan({"com.controller","com.service","com.entity"}) // 扫描 Bean 所在的包
+@Import({JdbcConfig.class, MybatisConfig.class}) // 导入两个Bean 配置文件
+public class SpringConfig {
+
+}
+```
+
+**JdbcConfig 配置类**
+
+```java
+package com.config;
+
+import com.alibaba.druid.pool.DruidDataSource;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.PropertySource;
+import org.springframework.stereotype.Component;
+
+@Component // 声明自己是组件在一部分
+@PropertySource("classpath:jdbc.properties") // 加载外部的属性文件
+public class JdbcConfig {
+ @Value("${jdbc.driver}")
+ private String driverClassName;
+ @Value("${jdbc.url}")
+ private String url;
+ @Value("${jdbc.username}")
+ private String username;
+ @Value("${jdbc.password}")
+ private String password;
+
+ @Bean
+ public DruidDataSource getDruidDataSource(){
+ DruidDataSource dataSource = new DruidDataSource();
+ dataSource.setDriverClassName(driverClassName);
+ dataSource.setUrl(url);
+ dataSource.setUsername(username);
+ dataSource.setPassword(password);
+ return dataSource;
+ }
+}
+```
+
+**MybatisConfig 配置类**
+
+```java
+package com.config;
+
+import org.mybatis.spring.SqlSessionFactoryBean;
+import org.mybatis.spring.annotation.MapperScan;
+import org.springframework.context.annotation.Bean;
+import org.springframework.stereotype.Component;
+
+import javax.sql.DataSource;
+
+@Component // 声明自己是组件在一部分
+@MapperScan("com.dao") // 扫描 dao 代理接口所在的包
+public class MybatisConfig {
+ @Bean
+ public SqlSessionFactoryBean getSqlSessionFactoryBean(DataSource dataSource){
+ SqlSessionFactoryBean sqlSessionFactoryBean = new SqlSessionFactoryBean();
+ sqlSessionFactoryBean.setDataSource(dataSource);
+ return sqlSessionFactoryBean;
+ }
+}
+```
+
+##### **七、测试代码**
+
+**TestClass 测试类**
+
+```java
+package com.test;
+
+
+import com.config.SpringConfig;
+import com.controller.EmployeeController;
+import com.entity.Employee;
+import org.junit.Test;
+
+import org.junit.runner.RunWith;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.test.context.ContextConfiguration;
+import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
+
+@RunWith(SpringJUnit4ClassRunner.class)
+@ContextConfiguration(classes = SpringConfig.class)
+public class TestClass {
+ // 通用员工对象
+ @Autowired // 自动装配
+ private Employee employee;
+
+ @Autowired // 自动装配
+ private EmployeeController employeeController;
+
+ // 查询员工
+ @Test
+ public void T1() {
+ // 获取员工
+ Employee employee = employeeController.selectOneEmployee(1001);
+ System.out.println(employee);
+ }
+
+ // 新增员工
+ @Test
+ public void T2() {
+ // 新增员工
+ Employee emp = employee;
+ // 从容器中拿用户对象 并创建 员工对象 给数据库
+ emp.setEmpno(1050);
+ emp.setEname("陈俊杰");
+ emp.setJob("程序员");
+ emp.setMgr(1001);
+ emp.setHiredate("2024-12-19");
+ emp.setSal(6000.00);
+ emp.setComm(0);
+ emp.setDeptno(10);
+
+ String msg = employeeController.insertOneEmployee(emp);
+ System.out.println(msg);
+ }
+
+ // 修改员工
+ @Test
+ public void T3() {
+ // 新增员工
+ Employee emp = employee;
+ // 从容器中拿用户对象 并创建 员工对象 给数据库
+ emp.setEmpno(1050);
+ emp.setEname("陈俊杰");
+ emp.setJob("程序猿");
+ emp.setMgr(1001);
+ emp.setHiredate("2024-12-19");
+ emp.setSal(6000.00);
+ emp.setComm(0);
+ emp.setDeptno(10);
+
+ String msg = employeeController.updateOneEmployee(emp);
+ System.out.println(msg);
+ }
+
+ // 删除员工
+ @Test
+ public void T4() {
+ // 删除员工
+ String msg = employeeController.deleteOneEmployee(1050);
+ System.out.println(msg);
+ }
+}
+```
+
+查询员工
+
+
+
+新增员工
+
+
+
+修改员工
+
+
+
+删除员工
+
+
diff --git "a/\350\224\241\347\216\256\351\223\255/20241223 Spring\347\272\257\346\263\250\350\247\243/SpringProject/.idea/.gitignore" "b/\350\224\241\347\216\256\351\223\255/20241223 Spring\347\272\257\346\263\250\350\247\243/SpringProject/.idea/.gitignore"
new file mode 100644
index 0000000000000000000000000000000000000000..35410cacdc5e87f985c93a96520f5e11a5c822e4
--- /dev/null
+++ "b/\350\224\241\347\216\256\351\223\255/20241223 Spring\347\272\257\346\263\250\350\247\243/SpringProject/.idea/.gitignore"
@@ -0,0 +1,8 @@
+# 默认忽略的文件
+/shelf/
+/workspace.xml
+# 基于编辑器的 HTTP 客户端请求
+/httpRequests/
+# Datasource local storage ignored files
+/dataSources/
+/dataSources.local.xml
diff --git "a/\350\224\241\347\216\256\351\223\255/20241223 Spring\347\272\257\346\263\250\350\247\243/SpringProject/.idea/compiler.xml" "b/\350\224\241\347\216\256\351\223\255/20241223 Spring\347\272\257\346\263\250\350\247\243/SpringProject/.idea/compiler.xml"
new file mode 100644
index 0000000000000000000000000000000000000000..2c65d972d843e120d65c4cb2e8af4f3090db69fd
--- /dev/null
+++ "b/\350\224\241\347\216\256\351\223\255/20241223 Spring\347\272\257\346\263\250\350\247\243/SpringProject/.idea/compiler.xml"
@@ -0,0 +1,15 @@
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
\ No newline at end of file
diff --git "a/\350\224\241\347\216\256\351\223\255/20241223 Spring\347\272\257\346\263\250\350\247\243/SpringProject/.idea/dataSources.xml" "b/\350\224\241\347\216\256\351\223\255/20241223 Spring\347\272\257\346\263\250\350\247\243/SpringProject/.idea/dataSources.xml"
new file mode 100644
index 0000000000000000000000000000000000000000..4af22f86f2c0ef34e9c31a33c2e1f6b585bf0ecd
--- /dev/null
+++ "b/\350\224\241\347\216\256\351\223\255/20241223 Spring\347\272\257\346\263\250\350\247\243/SpringProject/.idea/dataSources.xml"
@@ -0,0 +1,12 @@
+
+
+
+
+ mysql.8
+ true
+ com.mysql.cj.jdbc.Driver
+ jdbc:mysql://localhost:3306
+ $ProjectFileDir$
+
+
+
\ No newline at end of file
diff --git "a/\350\224\241\347\216\256\351\223\255/20241223 Spring\347\272\257\346\263\250\350\247\243/SpringProject/.idea/encodings.xml" "b/\350\224\241\347\216\256\351\223\255/20241223 Spring\347\272\257\346\263\250\350\247\243/SpringProject/.idea/encodings.xml"
new file mode 100644
index 0000000000000000000000000000000000000000..aa00ffab7828f4818589659c804ec2cfd99baed3
--- /dev/null
+++ "b/\350\224\241\347\216\256\351\223\255/20241223 Spring\347\272\257\346\263\250\350\247\243/SpringProject/.idea/encodings.xml"
@@ -0,0 +1,7 @@
+
+
+
+
+
+
+
\ No newline at end of file
diff --git "a/\350\224\241\347\216\256\351\223\255/20241223 Spring\347\272\257\346\263\250\350\247\243/SpringProject/.idea/jarRepositories.xml" "b/\350\224\241\347\216\256\351\223\255/20241223 Spring\347\272\257\346\263\250\350\247\243/SpringProject/.idea/jarRepositories.xml"
new file mode 100644
index 0000000000000000000000000000000000000000..c7ea92037640e4664f08b5998f6d08fbec36c2cd
--- /dev/null
+++ "b/\350\224\241\347\216\256\351\223\255/20241223 Spring\347\272\257\346\263\250\350\247\243/SpringProject/.idea/jarRepositories.xml"
@@ -0,0 +1,25 @@
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
\ No newline at end of file
diff --git "a/\350\224\241\347\216\256\351\223\255/20241223 Spring\347\272\257\346\263\250\350\247\243/SpringProject/.idea/misc.xml" "b/\350\224\241\347\216\256\351\223\255/20241223 Spring\347\272\257\346\263\250\350\247\243/SpringProject/.idea/misc.xml"
new file mode 100644
index 0000000000000000000000000000000000000000..5d8d5c0752646929003e045116450ab7cda64718
--- /dev/null
+++ "b/\350\224\241\347\216\256\351\223\255/20241223 Spring\347\272\257\346\263\250\350\247\243/SpringProject/.idea/misc.xml"
@@ -0,0 +1,15 @@
+
+
+
+
+
+
+
+
+
+
+
\ No newline at end of file
diff --git "a/\350\224\241\347\216\256\351\223\255/20241223 Spring\347\272\257\346\263\250\350\247\243/SpringProject/.idea/uiDesigner.xml" "b/\350\224\241\347\216\256\351\223\255/20241223 Spring\347\272\257\346\263\250\350\247\243/SpringProject/.idea/uiDesigner.xml"
new file mode 100644
index 0000000000000000000000000000000000000000..2b63946d5b31084bbb7dda418ceb3d75eb686373
--- /dev/null
+++ "b/\350\224\241\347\216\256\351\223\255/20241223 Spring\347\272\257\346\263\250\350\247\243/SpringProject/.idea/uiDesigner.xml"
@@ -0,0 +1,124 @@
+
+
+
+
+ -
+
+
+ -
+
+
+ -
+
+
+ -
+
+
+ -
+
+
+
+
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+ -
+
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+
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+ -
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+ -
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+ -
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+ -
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+ -
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+ -
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+ -
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+ -
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+
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+ -
+
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+ -
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+
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+ -
+
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+ -
+
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+
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+ -
+
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+ -
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+ -
+
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+ -
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+ -
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+ -
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+ -
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+ -
+
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+ -
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+
+
\ No newline at end of file
diff --git "a/\350\224\241\347\216\256\351\223\255/20241223 Spring\347\272\257\346\263\250\350\247\243/SpringProject/pom.xml" "b/\350\224\241\347\216\256\351\223\255/20241223 Spring\347\272\257\346\263\250\350\247\243/SpringProject/pom.xml"
new file mode 100644
index 0000000000000000000000000000000000000000..fa4edefc77915e6b643fc7b4cdc446e161180bfb
--- /dev/null
+++ "b/\350\224\241\347\216\256\351\223\255/20241223 Spring\347\272\257\346\263\250\350\247\243/SpringProject/pom.xml"
@@ -0,0 +1,76 @@
+
+
+ 4.0.0
+
+ com.pdd
+ spring05
+ 1.0-SNAPSHOT
+
+
+
+ org.projectlombok
+ lombok
+ 1.18.36
+ compile
+
+
+
+ org.mybatis
+ mybatis
+ 3.5.16
+
+
+
+
+ com.mysql
+ mysql-connector-j
+ 8.3.0
+
+
+
+ junit
+ junit
+ 4.13.2
+ test
+
+
+
+ org.springframework
+ spring-context
+ 5.3.39
+
+
+
+
+ org.springframework
+ spring-jdbc
+ 5.3.39
+
+
+
+
+
+
+ com.alibaba
+ druid
+ 1.1.21
+
+
+
+
+
+ org.mybatis
+ mybatis-spring
+ 2.0.6
+
+
+
+
+ org.springframework
+ spring-test
+ 5.3.39
+
+
+
\ No newline at end of file
diff --git "a/\350\224\241\347\216\256\351\223\255/20241223 Spring\347\272\257\346\263\250\350\247\243/SpringProject/src/main/java/com/config/JdbcConfig.java" "b/\350\224\241\347\216\256\351\223\255/20241223 Spring\347\272\257\346\263\250\350\247\243/SpringProject/src/main/java/com/config/JdbcConfig.java"
new file mode 100644
index 0000000000000000000000000000000000000000..45953b6ed07d0416dec0bfe3c3db05bd9ad9fd19
--- /dev/null
+++ "b/\350\224\241\347\216\256\351\223\255/20241223 Spring\347\272\257\346\263\250\350\247\243/SpringProject/src/main/java/com/config/JdbcConfig.java"
@@ -0,0 +1,30 @@
+package com.config;
+
+import com.alibaba.druid.pool.DruidDataSource;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.PropertySource;
+import org.springframework.stereotype.Component;
+
+@Component // 声明自己是组件在一部分
+@PropertySource("classpath:jdbc.properties") // 加载外部的属性文件
+public class JdbcConfig {
+ @Value("${jdbc.driver}")
+ private String driverClassName;
+ @Value("${jdbc.url}")
+ private String url;
+ @Value("${jdbc.username}")
+ private String username;
+ @Value("${jdbc.password}")
+ private String password;
+
+ @Bean
+ public DruidDataSource getDruidDataSource(){
+ DruidDataSource dataSource = new DruidDataSource();
+ dataSource.setDriverClassName(driverClassName);
+ dataSource.setUrl(url);
+ dataSource.setUsername(username);
+ dataSource.setPassword(password);
+ return dataSource;
+ }
+}
diff --git "a/\350\224\241\347\216\256\351\223\255/20241223 Spring\347\272\257\346\263\250\350\247\243/SpringProject/src/main/java/com/config/MybatisConfig.java" "b/\350\224\241\347\216\256\351\223\255/20241223 Spring\347\272\257\346\263\250\350\247\243/SpringProject/src/main/java/com/config/MybatisConfig.java"
new file mode 100644
index 0000000000000000000000000000000000000000..1059ab4661a1747a0ebbe13363dd293f8a2c7ae3
--- /dev/null
+++ "b/\350\224\241\347\216\256\351\223\255/20241223 Spring\347\272\257\346\263\250\350\247\243/SpringProject/src/main/java/com/config/MybatisConfig.java"
@@ -0,0 +1,19 @@
+package com.config;
+
+import org.mybatis.spring.SqlSessionFactoryBean;
+import org.mybatis.spring.annotation.MapperScan;
+import org.springframework.context.annotation.Bean;
+import org.springframework.stereotype.Component;
+
+import javax.sql.DataSource;
+
+@Component // 声明自己是组件在一部分
+@MapperScan("com.dao") // 扫描 dao 代理接口所在的包
+public class MybatisConfig {
+ @Bean
+ public SqlSessionFactoryBean getSqlSessionFactoryBean(DataSource dataSource){
+ SqlSessionFactoryBean sqlSessionFactoryBean = new SqlSessionFactoryBean();
+ sqlSessionFactoryBean.setDataSource(dataSource);
+ return sqlSessionFactoryBean;
+ }
+}
diff --git "a/\350\224\241\347\216\256\351\223\255/20241223 Spring\347\272\257\346\263\250\350\247\243/SpringProject/src/main/java/com/config/SpringConfig.java" "b/\350\224\241\347\216\256\351\223\255/20241223 Spring\347\272\257\346\263\250\350\247\243/SpringProject/src/main/java/com/config/SpringConfig.java"
new file mode 100644
index 0000000000000000000000000000000000000000..cec7a6fae758ee07e24404a747c7698678d236a9
--- /dev/null
+++ "b/\350\224\241\347\216\256\351\223\255/20241223 Spring\347\272\257\346\263\250\350\247\243/SpringProject/src/main/java/com/config/SpringConfig.java"
@@ -0,0 +1,12 @@
+package com.config;
+
+import org.springframework.context.annotation.ComponentScan;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.context.annotation.Import;
+
+@Configuration // 声明自己是一个配置类
+@ComponentScan({"com.controller","com.service","com.entity"}) // 扫描 Bean 所在的包
+@Import({JdbcConfig.class, MybatisConfig.class}) // 导入两个Bean 配置文件
+public class SpringConfig {
+
+}
diff --git "a/\350\224\241\347\216\256\351\223\255/20241223 Spring\347\272\257\346\263\250\350\247\243/SpringProject/src/main/java/com/controller/EmployeeController.java" "b/\350\224\241\347\216\256\351\223\255/20241223 Spring\347\272\257\346\263\250\350\247\243/SpringProject/src/main/java/com/controller/EmployeeController.java"
new file mode 100644
index 0000000000000000000000000000000000000000..bea41e22bb1f5e469a65a15de485ed84875d8a02
--- /dev/null
+++ "b/\350\224\241\347\216\256\351\223\255/20241223 Spring\347\272\257\346\263\250\350\247\243/SpringProject/src/main/java/com/controller/EmployeeController.java"
@@ -0,0 +1,39 @@
+package com.controller;
+
+import com.entity.Employee;
+import com.service.EmployeeService;
+import lombok.Data;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Controller;
+
+@Data
+@Controller // 标识这是一个 bean
+public class EmployeeController {
+ // 表示层
+ @Autowired // 自动装配
+ private EmployeeService employeeService; // 依赖接口
+
+ // 按 id 查询一个员工
+ public Employee selectOneEmployee(int id) {
+ Employee employee = employeeService.selectEmployeeById(id);
+ return employee;
+ }
+
+ // 新增一个员工
+ public String insertOneEmployee(Employee employee) {
+ Boolean aBoolean = employeeService.insertEmployee(employee);
+ return aBoolean ? "新增成功" : "新增失败";
+ }
+
+ // 修改一个员工
+ public String updateOneEmployee(Employee employee) {
+ Boolean aBoolean = employeeService.updateEmployeeById(employee);
+ return aBoolean ? "修改成功" : "修改失败";
+ }
+
+ // 按 id 删除一个员工
+ public String deleteOneEmployee(int id) {
+ Boolean aBoolean = employeeService.deleteEmployeeById(id);
+ return aBoolean? "删除成功" : "删除失败";
+ }
+}
diff --git "a/\350\224\241\347\216\256\351\223\255/20241223 Spring\347\272\257\346\263\250\350\247\243/SpringProject/src/main/java/com/dao/EmployeeDao.java" "b/\350\224\241\347\216\256\351\223\255/20241223 Spring\347\272\257\346\263\250\350\247\243/SpringProject/src/main/java/com/dao/EmployeeDao.java"
new file mode 100644
index 0000000000000000000000000000000000000000..83068a07851092e00199de41ba189cd182d8d8bf
--- /dev/null
+++ "b/\350\224\241\347\216\256\351\223\255/20241223 Spring\347\272\257\346\263\250\350\247\243/SpringProject/src/main/java/com/dao/EmployeeDao.java"
@@ -0,0 +1,33 @@
+package com.dao;
+
+import com.entity.Employee;
+import org.apache.ibatis.annotations.*;
+
+@Mapper
+public interface EmployeeDao {
+ // 数据处理层
+
+ // 搜索员工方法
+ @Select("select * from emp where empno = #{id}")
+ Employee selectEmployeeById(int id);
+
+ // 新增员工方法
+ @Insert("INSERT INTO `emp` VALUES (#{empno},#{ename}, #{job}, #{mgr}, #{hiredate},#{sal}, #{comm}, #{deptno});")
+ int insertEmployee(Employee employee);
+
+ // 修改员工方法
+ @Update("update `emp`\n" +
+ " set ename = #{ename},\n" +
+ " job=#{job},\n" +
+ " mgr=#{mgr},\n" +
+ " hiredate=#{hiredate},\n" +
+ " sal=#{sal},\n" +
+ " comm= #{comm},\n" +
+ " deptno = #{deptno}\n" +
+ " where empno = #{empno};")
+ int updateEmployeeById(Employee employee);
+
+ // 删除员工方法
+ @Delete("delete from emp where empno = #{empno};")
+ int deleteEmployeeById(int id);
+}
diff --git "a/\350\224\241\347\216\256\351\223\255/20241223 Spring\347\272\257\346\263\250\350\247\243/SpringProject/src/main/java/com/entity/Employee.java" "b/\350\224\241\347\216\256\351\223\255/20241223 Spring\347\272\257\346\263\250\350\247\243/SpringProject/src/main/java/com/entity/Employee.java"
new file mode 100644
index 0000000000000000000000000000000000000000..7d2ab9e40541092a8a43fdde6d97b5ed46a28064
--- /dev/null
+++ "b/\350\224\241\347\216\256\351\223\255/20241223 Spring\347\272\257\346\263\250\350\247\243/SpringProject/src/main/java/com/entity/Employee.java"
@@ -0,0 +1,22 @@
+package com.entity;
+
+import lombok.AllArgsConstructor;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+import org.springframework.stereotype.Component;
+
+/* 员工实体类 */
+@Data
+@AllArgsConstructor
+@NoArgsConstructor
+@Component // 声明自己是组件在一部分
+public class Employee {
+ private int empno;
+ private String ename;
+ private String job;
+ private int mgr;
+ private String hiredate;
+ private double sal;
+ private double comm;
+ private int deptno;
+}
diff --git "a/\350\224\241\347\216\256\351\223\255/20241223 Spring\347\272\257\346\263\250\350\247\243/SpringProject/src/main/java/com/service/EmployeeService.java" "b/\350\224\241\347\216\256\351\223\255/20241223 Spring\347\272\257\346\263\250\350\247\243/SpringProject/src/main/java/com/service/EmployeeService.java"
new file mode 100644
index 0000000000000000000000000000000000000000..d91fc77fe18e5dec55e494bab64b74a4db2b8933
--- /dev/null
+++ "b/\350\224\241\347\216\256\351\223\255/20241223 Spring\347\272\257\346\263\250\350\247\243/SpringProject/src/main/java/com/service/EmployeeService.java"
@@ -0,0 +1,18 @@
+package com.service;
+
+import com.entity.Employee;
+
+public interface EmployeeService {
+ // 业务逻辑层
+ // 加工搜索员工方法
+ Employee selectEmployeeById(int id);
+
+ // 加工新增员工方法
+ Boolean insertEmployee(Employee employee);
+
+ // 加工删除员工方法
+ Boolean deleteEmployeeById(int id);
+
+ // 加工修改员工方法
+ Boolean updateEmployeeById(Employee employee);
+}
diff --git "a/\350\224\241\347\216\256\351\223\255/20241223 Spring\347\272\257\346\263\250\350\247\243/SpringProject/src/main/java/com/service/EmployeeServiceImpl.java" "b/\350\224\241\347\216\256\351\223\255/20241223 Spring\347\272\257\346\263\250\350\247\243/SpringProject/src/main/java/com/service/EmployeeServiceImpl.java"
new file mode 100644
index 0000000000000000000000000000000000000000..5b801c62dc4923e303aea10c887dde8e9a81ad75
--- /dev/null
+++ "b/\350\224\241\347\216\256\351\223\255/20241223 Spring\347\272\257\346\263\250\350\247\243/SpringProject/src/main/java/com/service/EmployeeServiceImpl.java"
@@ -0,0 +1,39 @@
+package com.service;
+
+import com.dao.EmployeeDao;
+import com.entity.Employee;
+import lombok.Data;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+
+@Data
+@Service
+public class EmployeeServiceImpl implements EmployeeService {
+ @Autowired // 自动装配
+ private EmployeeDao employeeDao; // 依赖接口
+
+ @Override
+ public Employee selectEmployeeById(int id) {
+ Employee employee = employeeDao.selectEmployeeById(id);
+ return employee;
+ }
+
+ @Override
+ public Boolean insertEmployee(Employee employee) {
+ int i = employeeDao.insertEmployee(employee);
+ return i > 0;
+ }
+
+ @Override
+ public Boolean deleteEmployeeById(int id) {
+ int i = employeeDao.deleteEmployeeById(id);
+ return i > 0;
+ }
+
+ @Override
+ public Boolean updateEmployeeById(Employee employee) {
+ int i = employeeDao.updateEmployeeById(employee);
+ return i > 0;
+ }
+
+}
diff --git "a/\350\224\241\347\216\256\351\223\255/20241223 Spring\347\272\257\346\263\250\350\247\243/SpringProject/src/main/resources/jdbc.properties" "b/\350\224\241\347\216\256\351\223\255/20241223 Spring\347\272\257\346\263\250\350\247\243/SpringProject/src/main/resources/jdbc.properties"
new file mode 100644
index 0000000000000000000000000000000000000000..f4751e97aa358e9313d8034945681f42c26543cc
--- /dev/null
+++ "b/\350\224\241\347\216\256\351\223\255/20241223 Spring\347\272\257\346\263\250\350\247\243/SpringProject/src/main/resources/jdbc.properties"
@@ -0,0 +1,4 @@
+jdbc.driver = com.mysql.cj.jdbc.Driver
+jdbc.url = jdbc:mysql:///company
+jdbc.username = root
+jdbc.password = 123456
\ No newline at end of file
diff --git "a/\350\224\241\347\216\256\351\223\255/20241223 Spring\347\272\257\346\263\250\350\247\243/SpringProject/src/test/java/com/test/TestClass.java" "b/\350\224\241\347\216\256\351\223\255/20241223 Spring\347\272\257\346\263\250\350\247\243/SpringProject/src/test/java/com/test/TestClass.java"
new file mode 100644
index 0000000000000000000000000000000000000000..1b2e5d08f83e0654978997c512053c2d52b8f0c6
--- /dev/null
+++ "b/\350\224\241\347\216\256\351\223\255/20241223 Spring\347\272\257\346\263\250\350\247\243/SpringProject/src/test/java/com/test/TestClass.java"
@@ -0,0 +1,77 @@
+package com.test;
+
+
+import com.config.SpringConfig;
+import com.controller.EmployeeController;
+import com.entity.Employee;
+import org.junit.Test;
+
+import org.junit.runner.RunWith;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.test.context.ContextConfiguration;
+import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
+
+@RunWith(SpringJUnit4ClassRunner.class)
+@ContextConfiguration(classes = SpringConfig.class)
+public class TestClass {
+ // 通用员工对象
+ @Autowired // 自动装配
+ private Employee employee;
+
+ @Autowired // 自动装配
+ private EmployeeController employeeController;
+
+ // 查询员工
+ @Test
+ public void T1() {
+ // 获取员工
+ Employee employee = employeeController.selectOneEmployee(1001);
+ System.out.println(employee);
+ }
+
+ // 新增员工
+ @Test
+ public void T2() {
+ // 新增员工
+ Employee emp = employee;
+ // 从容器中拿用户对象 并创建 员工对象 给数据库
+ emp.setEmpno(1050);
+ emp.setEname("陈俊杰");
+ emp.setJob("程序员");
+ emp.setMgr(1001);
+ emp.setHiredate("2024-12-19");
+ emp.setSal(6000.00);
+ emp.setComm(0);
+ emp.setDeptno(10);
+
+ String msg = employeeController.insertOneEmployee(emp);
+ System.out.println(msg);
+ }
+
+ // 修改员工
+ @Test
+ public void T3() {
+ // 新增员工
+ Employee emp = employee;
+ // 从容器中拿用户对象 并创建 员工对象 给数据库
+ emp.setEmpno(1050);
+ emp.setEname("陈俊杰");
+ emp.setJob("程序猿");
+ emp.setMgr(1001);
+ emp.setHiredate("2024-12-19");
+ emp.setSal(6000.00);
+ emp.setComm(0);
+ emp.setDeptno(10);
+
+ String msg = employeeController.updateOneEmployee(emp);
+ System.out.println(msg);
+ }
+
+ // 删除员工
+ @Test
+ public void T4() {
+ // 删除员工
+ String msg = employeeController.deleteOneEmployee(1050);
+ System.out.println(msg);
+ }
+}
\ No newline at end of file
diff --git "a/\350\224\241\347\216\256\351\223\255/20241223 Spring\347\272\257\346\263\250\350\247\243/SpringProject/target/classes/com/config/JdbcConfig.class" "b/\350\224\241\347\216\256\351\223\255/20241223 Spring\347\272\257\346\263\250\350\247\243/SpringProject/target/classes/com/config/JdbcConfig.class"
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diff --git "a/\350\224\241\347\216\256\351\223\255/20241223 Spring\347\272\257\346\263\250\350\247\243/SpringProject/target/classes/com/config/MybatisConfig.class" "b/\350\224\241\347\216\256\351\223\255/20241223 Spring\347\272\257\346\263\250\350\247\243/SpringProject/target/classes/com/config/MybatisConfig.class"
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diff --git "a/\350\224\241\347\216\256\351\223\255/20241223 Spring\347\272\257\346\263\250\350\247\243/SpringProject/target/classes/com/config/SpringConfig.class" "b/\350\224\241\347\216\256\351\223\255/20241223 Spring\347\272\257\346\263\250\350\247\243/SpringProject/target/classes/com/config/SpringConfig.class"
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diff --git "a/\350\224\241\347\216\256\351\223\255/20241223 Spring\347\272\257\346\263\250\350\247\243/SpringProject/target/classes/com/controller/EmployeeController.class" "b/\350\224\241\347\216\256\351\223\255/20241223 Spring\347\272\257\346\263\250\350\247\243/SpringProject/target/classes/com/controller/EmployeeController.class"
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diff --git "a/\350\224\241\347\216\256\351\223\255/20241223 Spring\347\272\257\346\263\250\350\247\243/SpringProject/target/classes/com/dao/EmployeeDao.class" "b/\350\224\241\347\216\256\351\223\255/20241223 Spring\347\272\257\346\263\250\350\247\243/SpringProject/target/classes/com/dao/EmployeeDao.class"
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diff --git "a/\350\224\241\347\216\256\351\223\255/20241223 Spring\347\272\257\346\263\250\350\247\243/SpringProject/target/classes/com/entity/Employee.class" "b/\350\224\241\347\216\256\351\223\255/20241223 Spring\347\272\257\346\263\250\350\247\243/SpringProject/target/classes/com/entity/Employee.class"
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diff --git "a/\350\224\241\347\216\256\351\223\255/20241223 Spring\347\272\257\346\263\250\350\247\243/SpringProject/target/classes/com/service/EmployeeService.class" "b/\350\224\241\347\216\256\351\223\255/20241223 Spring\347\272\257\346\263\250\350\247\243/SpringProject/target/classes/com/service/EmployeeService.class"
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diff --git "a/\350\224\241\347\216\256\351\223\255/20241223 Spring\347\272\257\346\263\250\350\247\243/SpringProject/target/classes/com/service/EmployeeServiceImpl.class" "b/\350\224\241\347\216\256\351\223\255/20241223 Spring\347\272\257\346\263\250\350\247\243/SpringProject/target/classes/com/service/EmployeeServiceImpl.class"
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diff --git "a/\350\224\241\347\216\256\351\223\255/20241223 Spring\347\272\257\346\263\250\350\247\243/SpringProject/target/classes/jdbc.properties" "b/\350\224\241\347\216\256\351\223\255/20241223 Spring\347\272\257\346\263\250\350\247\243/SpringProject/target/classes/jdbc.properties"
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index 0000000000000000000000000000000000000000..f4751e97aa358e9313d8034945681f42c26543cc
--- /dev/null
+++ "b/\350\224\241\347\216\256\351\223\255/20241223 Spring\347\272\257\346\263\250\350\247\243/SpringProject/target/classes/jdbc.properties"
@@ -0,0 +1,4 @@
+jdbc.driver = com.mysql.cj.jdbc.Driver
+jdbc.url = jdbc:mysql:///company
+jdbc.username = root
+jdbc.password = 123456
\ No newline at end of file
diff --git "a/\350\224\241\347\216\256\351\223\255/20241223 Spring\347\272\257\346\263\250\350\247\243/SpringProject/target/test-classes/com/test/TestClass.class" "b/\350\224\241\347\216\256\351\223\255/20241223 Spring\347\272\257\346\263\250\350\247\243/SpringProject/target/test-classes/com/test/TestClass.class"
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