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项目结构
gradle配置文件：
dependencies { compile('org.springframework.boot:spring-boot-starter-cache') compile('org.springframework.boot:spring-boot-starter-data-redis') compile('org.springframework.boot:spring-boot-starter-web') compile('org.mybatis.spring.boot:mybatis-spring-boot-starter:1.3.2') compile('org.springframework.boot:spring-boot-starter-jdbc') runtime('mysql:mysql-connector-java') testCompile('org.springframework.boot:spring-boot-starter-test')}
application.yml
spring: datasource: url: jdbc:mysql://localhost:3306/test?characterEncoding=utf8&useSSL=false username: root password: root driver-class-name: com.mysql.jdbc.Driver redis: host: 140.143.1.xx //ip地址mybatis: configuration: map-underscore-to-camel-case: true #开启驼峰命名匹配
student实体类
public class Student implements Serializable { private Integer id; private String name; private Integer age; public Integer getId() { return id; } public void setId(Integer id) { this.id = id; } public String getName() { return name; } public void setName(String name) { this.name = name; } public Integer getAge() { return age; } public void setAge(Integer age) { this.age = age; }} dao
@Mapperpublic interface StudentMapper { @Select("select * from t_student where id=#{id}") Student selectById(@Param("id") Integer id);} service
@Servicepublic class StudentServiceImpl implements IStudentService { @Autowired StudentMapper studentMapper; @Cacheable(cacheNames = "student", key = "#id") @Override public Student getById(Integer id) { System.out.println("查询" + id + "号学生"); return studentMapper.selectById(id); }} controller
@RestControllerpublic class StudentController { @Autowired IStudentService iStudentService; @GetMapping("/stu/{id}") public Student getById(@PathVariable("id") Integer id) { return iStudentService.getById(id); }} @SpringBootApplication@MapperScan("com.iteng.springbootredis.mapper")@EnableCaching //开启基于注解的缓存public class SpringbootRedisApplication { public static void main(String[] args) { SpringApplication.run(SpringbootRedisApplication.class, args); }}
第一次访问：http://localhost:8080/stu/1
浏览器显示：
控制台输出：
再次访问：http://localhost:8080/stu/1
可以看到控制没有再次输出，证明第二次查询没有查询数据库，而是从缓存中查询
打开redis客户端：可以看到数据已经存入redis中
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