步骤:
- 下载Spring开发包
- 复制Spring开发jar包到工程
- 理解IOC控制反转和DI依赖注入
- 编写Spring核心配置文件
- 在程序中读取Spring配置文件
<dependency> <groupId>org.springframework</groupId> <artifactId>spring-core</artifactId> <version>5.1.6.RELEASE</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-context</artifactId> <version>5.1.6.RELEASE</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-beans</artifactId> <version>5.1.6.RELEASE</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-expression</artifactId> <version>5.1.6.RELEASE</version> </dependency> <dependency> <groupId>commons-logging</groupId> <artifactId>commons-logging</artifactId> <version>1.2</version> </dependency> <dependency> <groupId>log4j</groupId> <artifactId>log4j</artifactId> <version>1.2.12</version> </dependency>
代码的实现:
测试: