DBCPUtils

package cn.itcast.jdbc.utils;
import java.io.InputStream;
import java.sql.Connection;
import java.util.Properties;
import javax.sql.DataSource;
import org.apache.commons.dbcp.BasicDataSourceFactory;
public class  {
    private static DataSource dataSource;
    static {
        try {
            
            InputStream is = DBCPUtils.class.getClassLoader().getResourceAsStream("db.properties");
            // 2.创建一个Properties对象
            Properties prop = new Properties();
            prop.load(is);
            // 3.创建数据源对象
            dataSource = BasicDataSourceFactory.createDataSource(prop);
        } catch (Exception e) {
            throw new RuntimeException(e);
        }
    }
    /**
     * 获得连接
     */
    public static Connection getConnection() {
        Connection conn = null;
        try {
            conn = dataSource.getConnection();
        } catch (Exception e) {
            throw new RuntimeException(e);
        }
        return conn;
    }
    /**
     * 获得数据源
     */
    public static DataSource getDataSource(){
        return dataSource;
    }
    
}