Mysql
pom.xml添加依赖1
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8<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-data-jpa</artifactId>
</dependency>
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
</dependency>
application.properties 添加mysql连接配置1
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5# Mysql配置
spring.jpa.hibernate.ddl-auto=update
spring.datasource.url=jdbc:mysql://localhost:3306/dbname
spring.datasource.username=username
spring.datasource.password=pwd
添加一个model1
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38import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.GenerationType;
import javax.persistence.Id;
// This tells Hibernate to make a table out of this class
public class Users {
(strategy=GenerationType.AUTO)
private Integer id;
private String username;
private String password;
public Integer getId() {
return id;
}
public void setId(Integer id) {
this.id = id;
}
public String getUsername() {
return username;
}
public void setUsername(String name) {
this.username = name;
}
public String getPassword() {
return password;
}
public void setPassword(String pwd) {
this.password = pwd;
}
}
使用Spring boot JPA,集成CRUD接口1
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12import com.example.demo.model.Users;
import org.springframework.data.repository.CrudRepository;
import java.util.*;
// This will be AUTO IMPLEMENTED by Spring into a Bean called userRepository
// CRUD refers Create, Read, Update, Delete
public interface UsersRepository extends CrudRepository<Users, Integer> {
List<Users> findByUsername(String username);
}
在controller中使用1
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5"/find-by-username/{username}") (
public List findByUsername(@PathVariable("username") String username) {
List<Users> userList = usersRepository.findByUsername(username);
return userList;
}
Redis
pom.xml中添加依赖1
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4<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-data-redis</artifactId>
</dependency>
application.properties中添加Redis连接配置1
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18# Redis数据库索引(默认为0)
spring.redis.database=0
# Redis服务器地址
spring.redis.host=192.168.33.10
# Redis服务器连接端口
spring.redis.port=6379
# Redis服务器连接密码(默认为空)
spring.redis.password=
# 连接池最大连接数(使用负值表示没有限制)
spring.redis.jedis.pool.max-active=8
# 连接池最大阻塞等待时间(使用负值表示没有限制)
spring.redis.jedis.pool.max-wait=-1
# 连接池中的最大空闲连接
spring.redis.jedis.pool.max-idle=8
# 连接池中的最小空闲连接
spring.redis.jedis.pool.min-idle=0
# 连接超时时间(毫秒)
spring.redis.timeout=3000
controller中使用1
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private RedisTemplate<String, String> redisTemplate;
"/setredis") (
public String setRedis(){
redisTemplate.opsForValue().set("javaset","1");
String ans = redisTemplate.opsForValue().get("javaset");
return ans;
}