小编toi*_*ink的帖子

我在这里得到了这个教程......

如何从jsp/servlet发送电子邮件？

但是,如果我有DATABASE中要发送电子邮件的电子邮件地址列表,该怎么办？

TestMail类

public class TestMail {
    public static void main(String... args) throws Exception {
        // Create mailer.
        String hostname = "smtp.example.com";
        int port = 2525;
        String username = "nobody";
        String password = "idonttellyou";
        Mailer mailer = new Mailer(hostname, port, username, password);

        // Send mail.
        String from = "john.doe@example.com";
        String to = "jane.doe@example.com";
        String subject = "Interesting news";
        String message = "I've got JavaMail to work!";
        mailer.send(from, to, subject, message);
    }
}

JSP

<form action="contact" method="post">
    <p>Your email address: …

是否可以将其转换为varchar结果..

select date_trunc('week', '2013-02-01'::date);

我将把它用于具有varchar数据类型的"Where"子句

谢谢

我想问一下页面加载后如何使用这两种功能

jQuery(document).ready(function($)
{
    $('#list').tableScroll({height:500});

});

和

jQuery(document).ready(function($)
{
    $('#list').tableSorter();

});

我在我的try子句中有这个...如果我删除pst.setString(5, value5)它工作正常,如果我删除所有整数值也可以工作,但如果添加了所有整数和value5,我就无法工作...

try {
  Class.forName("org.postgresql.Driver");
  connection = DriverManager.getConnection(connectionURL, "username", "password");
  String sql ="UPDATE table1 SET value1 = ?, value2 = ?, value3 = ?, value4 = ? value5 = ? WHERE value6 = ? ";
  PreparedStatement pst = connection.prepareStatement(sql);

  Integer value1A = Integer.parseInt(value1),
  value2A = Integer.parseInt(value2),
  value2A = Integer.parseInt(value3),
  value2A = Integer.parseInt(value4);  

  pst.setInt(1, value1A);
  pst.setInt(2, value2A);
  pst.setInt(3, value3A);
  pst.setInt(4, value4A);
  pst.setString(5, value5);
  pst.setString(6, value6);

  int numRowsChanged = pst.executeUpdate();

  pst.close();
}