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java的druid连接
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導入jar包
將druid配置文件放到src目錄下
import cn
.silence2
.domain
.Student
;
import com
.alibaba
.druid
.pool
.DruidDataSourceFactory
;import javax
.sql
.DataSource
;
import java
.io
.InputStream
;
import java
.sql
.Connection
;
import java
.sql
.Date
;
import java
.sql
.PreparedStatement
;
import java
.sql
.ResultSet
;
import java
.util
.Properties
;
public class DruidTest1 {public static void main(String
[] args
) throws Exception
{InputStream inputStream
= ClassLoader
.getSystemClassLoader().getResourceAsStream("druid.properties");Properties prop
= new Properties();prop
.load(inputStream
);DataSource dataSource
= DruidDataSourceFactory
.createDataSource(prop
);Connection connection
= dataSource
.getConnection();String sql
= "select * from student";PreparedStatement prepare
= connection
.prepareStatement(sql
);ResultSet resultSet
= prepare
.executeQuery();while (resultSet
.next()) {int sid
= resultSet
.getInt("sid");String name
= resultSet
.getString("name");int age
= resultSet
.getInt("age");Date birthday
= resultSet
.getDate("birthday");Student student
= new Student(sid
, name
, age
, birthday
);System
.out
.println(student
);}resultSet
.close();prepare
.close();connection
.close();}
}
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