一、代码
package util;
import com.alibaba.druid.pool.DruidDataSourceFactory;
import javax.sql.DataSource;
import java.io.IOException;
import java.sql.Connection;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
import java.util.Properties;
public class DruidUtils {
private static DataSource ds;
static {
try {
Properties pro = new Properties();
pro.load(DruidUtils.class.getClassLoader().getResourceAsStream("druid.properties"));
ds = DruidDataSourceFactory.createDataSource(pro);
} catch (IOException e) {
e.printStackTrace();
} catch (Exception e) {
e.printStackTrace();
}
}
public static Connection getConnection() throws SQLException {
return ds.getConnection();
}
public static void close(Statement stmt,Connection conn){
close(stmt,null,conn);
}
public static void close(Statement stmt, ResultSet rs,Connection conn){
if(stmt != null){
try {
stmt.close();
} catch (SQLException throwables) {
throwables.printStackTrace();
}
}
if(conn != null){
try {
conn.close();
} catch (SQLException throwables) {
throwables.printStackTrace();
}
}
if(rs != null){
try {
rs.close();
} catch (SQLException throwables) {
throwables.printStackTrace();
}
}
}
public static DataSource getDataSource(){
return ds;
}
}
二、druid.properties文件配置
driverClassName=com.mysql.jdbc.Driver
url=jdbc:mysql://127.0.0.1:3306/girls
username=root
password=123456
initialSize=5
maxActive=10
maxWait=3000
maxIdle=8
minIdle=3