weixin_50896519的博客

入门 pom.xml <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-jdbc</artifactId> </dependency> <dependency> <groupId>org.springframework.boot</groupId&gt

复杂方法 两个实体类 Student @Data @NoArgsConstructor @AllArgsConstructor public class Student { private int id; private String name; private Teacher teacher; } Teacher @Data @NoArgsConstructor @AllArgsConstructor public class Teacher { priv

在pom中加入 <build> <resources> <resource> <directory>src/main/resources</directory> <includes> <include>**/*.properties</include> <include&...

新建一个maven项目 一、在pom.xml文件中添加两个资源引入 mysql 的资源引入 <dependency> <groupId>mysql</groupId> <artifactId>mysql-connector-java</artifactId> <version>5.1.47</version> </dependency> &