simplejdbc_yingjj.java

java的团队合作代码

package com.jk.jdbc;
import java.sql.*;
public class SimpleJdbc_yingjj {

	/**
	 * @param args
	 */
	public static void main(String[] args) {
		// 初始化变量
		String driver ="oracle.jdbc.OracleDriver";
		String url="jdbc:oracle:thin:@10.22.78.99:1521:XE";
		String userName="yingjj";
		String passwd="y7445914";
		//定义jdbc操作的变量
		Connection conn=null;
		Statement stmt=null;
		ResultSet rs=null;
		try{
			//1.register a driver
			Class.forName(driver);
			//2.get a Connection
			conn=DriverManager.getConnection(url, userName, passwd);
			//3.get Statement
			stmt=conn.createStatement();
			String sql="select id,name from test";
			//4.execute sql
			rs=stmt.executeQuery(sql);
			//5.resultset
			while(rs.next()){
				System.out.print(rs.getInt("id")+" ");
				System.out.println(rs.getString(2));
			}

	}catch(Exception e){
		e.printStackTrace();
	}finally{
		//6.close resource
		try{
			if(rs!=null)rs.close();
			if(stmt!=null)stmt.close();
			if(conn!=null)conn.close();
			}catch(Exception e){
			e.printStackTrace();
		}
	}
	}
}