|
[mw_shl_code=java,true]import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
public class test2 {
/**
* @param args
*/
public static void main(String[] args) {
// TODO Auto-generated method stub
Connection conn=null;
Statement stmt=null;
ResultSet rs=null;
try {
Class.forName("com.microsoft.sqlserver.jdbc.SQLServerDriver");
//获取一个连接对象connection
conn=DriverManager.getConnection(
"jdbc:sqlserver://localhost:1433;database=sqlDB;", "sa", "123");
//sql语句
String sql="select * from userinfo";
//创建一个执行命令的对象
stmt=conn.createStatement();
//执行sql语句
rs=stmt.executeQuery(sql);
while(rs.next()){
int id=rs.getInt("id");
String name=rs.getString("qname");
int age=rs.getInt("age");
System.out.println("ID:"+id+",姓名:"+name+",年龄:"+age);
}
} catch (ClassNotFoundException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (SQLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}finally{
try {
if(rs!=null){rs.close();}
if(stmt!=null){stmt.close();}
if(conn!=null){conn.close();}
} catch (SQLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}
}
[/mw_shl_code]
数据库脚本:
[mw_shl_code=sql,true]create database sqlDB
go
use sqlDB
go
create table userinfo(
id int primary key,
qname varchar(10),
age int
)
go
select * from userinfo[/mw_shl_code]
Java的jdbc包:
sqljdbc.jar
(300.98 KB, 下载次数: 0, 售价: 1 粒MB)
|
上一篇:java更新数据库代码(增删改),jdbc更新代码下一篇:两人搞基:一毛钱都不给我,100块钱都不给我
|