java连接jdbc读取oracle数据库的内容
2012-06-05 14:09:23 来源:WEB开发网核心提示:7.下面代码可以查询数据库种的内容:package oracle.ResultSetDemo01.org;import java.sql.Connection;import java.sql.DriverManager;import java.sql.ResultSet;import java.sql.Statemen
7.下面代码可以查询数据库种的内容:
package oracle.ResultSetDemo01.org;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.Statement;
public class ConnectJdbc {
//驱动程序就是之前在classpath中配置的jdbc的驱动程序jar中
public static final String drive = "oracle.jdbc.driver.OracleDriver";
/**
* 连接地址,各个厂商提供单独记住
* jdbc:oracle:thin:@localhost:1521:ORCL localhost 是ip地址。
*/
public static final String url = "jdbc:oracle:thin:@192.168.1.15:1521:ORCL";
/**
* 用户 密码
*/
public static final String DBUSER="gyly";
public static final String password="gyly";
public static void main(String[] args) throws Exception{
// TODO Auto-generated method stub
Connection conn = null;//表示数据库连接
Statement stmt= null;//表示数据库的更新
ResultSet result = null;//查询数据库
Class.forName(drive);//使用class类来加载程序
conn =DriverManager.getConnection(url,DBUSER,password); //连接数据库
//Statement接口要通过connection接口来进行实例化操作
stmt = conn.createStatement();
//执行SQL语句来查询数据库
result =stmt.executeQuery("SELECT DEPTID,DEPTNAME,ADDR,TEL,FAX,LXR,PX,UNITID FROM bs_dept");
while(result.next()){//判断有没有下一行
int DEPTID =result.getInt(1);
String DEPTNAME = result.getString(2);
String ADDR = result.getString(3);
long TEL = result.getLong(4);
long FAX = result.getLong(5);
String LXR =result.getString(6);
int PX =result.getInt(7);
int UNITID = result.getInt(8);
System.out.print("DEPTID="+DEPTID+";");
System.out.print("DEPTNAME="+DEPTNAME+";");
System.out.print("ADDR="+ADDR+";");
System.out.print("TEL="+TEL+";");
System.out.print("FAX="+FAX+";");
System.out.print("LXR="+LXR+";");
System.out.print("PX="+PX+";");
System.out.print("UNITID="+UNITID+";");
System.out.println();
}
//System.out.println(conn);
result.close();//数据库先开后关
stmt.close();
conn.close();//关闭数据库
}
}
7.下面代码可以查询数据库种的内容:
package oracle.ResultSetDemo01.org;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.Statement;
public class ConnectJdbc {
//驱动程序就是之前在classpath中配置的jdbc的驱动程序jar中
public static final String drive = "oracle.jdbc.driver.OracleDriver";
/**
* 连接地址,各个厂商提供单独记住
* jdbc:oracle:thin:@localhost:1521:ORCL localhost 是ip地址。
*/
public static final String url = "jdbc:oracle:thin:@192.168.1.15:1521:ORCL";
/**
* 用户 密码
*/
public static final String DBUSER="gyly";
public static final String password="gyly";
public static void main(String[] args) throws Exception{
// TODO Auto-generated method stub
Connection conn = null;//表示数据库连接
Statement stmt= null;//表示数据库的更新
ResultSet result = null;//查询数据库
Class.forName(drive);//使用class类来加载程序
conn =DriverManager.getConnection(url,DBUSER,password); //连接数据库
//Statement接口要通过connection接口来进行实例化操作
stmt = conn.createStatement();
//执行SQL语句来查询数据库
result =stmt.executeQuery("SELECT DEPTID,DEPTNAME,ADDR,TEL,FAX,LXR,PX,UNITID FROM bs_dept");
while(result.next()){//判断有没有下一行
int DEPTID =result.getInt(1);
String DEPTNAME = result.getString(2);
String ADDR = result.getString(3);
long TEL = result.getLong(4);
long FAX = result.getLong(5);
String LXR =result.getString(6);
int PX =result.getInt(7);
int UNITID = result.getInt(8);
System.out.print("DEPTID="+DEPTID+";");
System.out.print("DEPTNAME="+DEPTNAME+";");
System.out.print("ADDR="+ADDR+";");
System.out.print("TEL="+TEL+";");
System.out.print("FAX="+FAX+";");
System.out.print("LXR="+LXR+";");
System.out.print("PX="+PX+";");
System.out.print("UNITID="+UNITID+";");
System.out.println();
}
//System.out.println(conn);
result.close();//数据库先开后关
stmt.close();
conn.close();//关闭数据库
}
}
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