jsp新代码第217课

new217.java

package pack03;

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.PreparedStatement;
import java.sql.SQLException;

public class new217
{
  public void addUser(new216 user)
  {
    String driver = "com.mysql.jdbc.Driver";
    String url = "jdbc:mysql://localhost:3306/test?&useUnicode=true&characterEncoding=utf-8";
    String dbName = "root";
    String dbPass = "mysql123";
    
    Connection conn =null;
    PreparedStatement pstmt = null;
    
    String sql = "insert into stu_info(name,sex,age) values(?,?,?)";
        
    try
    {
      try
      {
        Class.forName(driver);
      } catch (ClassNotFoundException e)
      {
        e.printStackTrace();
      }
      conn = DriverManager.getConnection(url,dbName,dbPass);
      pstmt = conn.prepareStatement(sql);
      pstmt.setString(1, user.getName());
      pstmt.setString(2, user.getSex());
      pstmt.setInt(3, user.getAge());
      pstmt.executeUpdate();
      
    } 
    catch (SQLException e)
    {
      e.printStackTrace();
    }
    finally
    {
      try
      {
        pstmt.close();
      } catch (SQLException e)
      {
        
        e.printStackTrace();
      }
      try
      {
        conn.close();
      } catch (SQLException e)
      {
        
        e.printStackTrace();
      }
    }
  }
}