Hutool - lightweight DB operation solution

The story background

occasionally , We don't have to use Hibernate、JPA、Mybatis Wait for a heavyweight framework to operate the database , Native JDBC That set is too cumbersome , Today I bring you a set Hutool Version of the database operation scheme

Maven

<!--mysql Database driven  -->
<dependency>
    <groupId>mysql</groupId>
    <artifactId>mysql-connector-java</artifactId>
    <version>${mysql.version}</version>
</dependency>

Mode one

DataSource ds = new SimpleDataSource("jdbc:mysql://localhost:3306/lux?useUnicode=true&characterEncoding=utf-8&useSSL=false&serverTimezone=Asia/Shanghai", "root", "123456");
Db db = DbUtil.use(ds);
List<TagPO> rs = db.query("select * from t_as_tag", TagPO.class);

Mode two

## db.setting file 

url = jdbc:mysql://localhost:3306/test
user = root
pass = 123456

##  Optional configuration 
#  Whether to display the executed in the log SQL
showSql = true
#  Whether to format the displayed SQL
formatSql = false
#  Whether or not shown SQL Parameters 
showParams = true
#  Print SQL Log level of , Default debug, It can be info、warn、error
sqlLevel = debug

List<Entity> result = Db.use().query("select * from user where age < ?", 3);

Reference documents

• Hutool Reference documents