Properties props=new Properties(); InputStream in=DbcpUtil.class.getClassLoader().getResourceAsStr

来源:互联网 发布:怎么利用网络博客赚钱 编辑:程序博客网 时间:2024/06/14 06:18
package com.tfy.oracle.util;




import java.io.InputStream;
import java.sql.Connection;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
import java.util.Properties;


import javax.sql.DataSource;


import org.apache.commons.dbcp.BasicDataSourceFactory;




public class DbcpUtil {
private static DataSource ds=null;
public static DataSource getDs() {
return ds;
}
static{
Properties props=new Properties();
InputStream in=DbcpUtil.class.getClassLoader().getResourceAsStream("oracle_jdbc.properties");

try {
props.load(in);
ds=BasicDataSourceFactory.createDataSource(props);
} catch (Exception e) {
e.printStackTrace();
throw new ExceptionInInitializerError(e);
}
}
public static DataSource getDataSource(){

return ds;

}
public static java.sql.Connection getConnection(){

try {
return ds.getConnection();
} catch (SQLException e) {
e.printStackTrace();
throw new RuntimeException();
}

}
public void release(ResultSet rs,Statement stmt,Connection conn){
if(rs!=null){
try{
rs.close();
}catch(Exception e){
e.printStackTrace();
}
}
if(stmt!=null){
try{
stmt.close();
}catch(Exception e){
e.printStackTrace();
}
}
if(conn!=null){
try{
conn.close();
}catch(Exception e){
e.printStackTrace();
}
}
}
}
原创粉丝点击