import java.sql.*;
public class Mysqltest {

static final String DRIVER="com.mysql.jdbc.Driver";
static final String DB="jdbc:mysql://192.168.88.161:3306/bigfly";
//Database auth
static final String USER="root";
static final String PASSWD="123456";

public static void main(String[] args) {
// TODO Auto-generated method stub
Connection conn=null;
Statement stmt=null;
ResultSet rs=null;
try {
//加载驱动程序
Class.forName(DRIVER);
System.out.println("Connecting to a selected database...");
//打开一个连接
conn=DriverManager.getConnection(DB, USER, PASSWD);
// 执行一个插入
stmt=conn.createStatement();
String sql="insert into student values('scofield',45,89,100)";
stmt.executeUpdate(sql);
System.out.println("Inserting records into the table successfully!");
//执行一个查询
// stmt=conn.createStatement();
sql="select name,English from student where name='scofield' ";
// 获得结果集
rs=stmt.executeQuery(sql);
System.out.println("name"+"\t\t"+"English");
while(rs.next())
{
System.out.print(rs.getString(1)+"\t\t");
System.out.println(rs.getInt(2));
}
} catch (ClassNotFoundException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}catch (SQLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}finally
{
if(stmt!=null)
try {
stmt.close();
} catch (SQLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
if(conn!=null)
try {
conn.close();
} catch (SQLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}



}


}
posted on 2023-12-04 18:35  夜的第七章i  阅读(9)  评论(0编辑  收藏  举报