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CREATE OR REPLACE PROCEDURE SEND_MAIL_one(as_recp     in varchar2, --邮件接收者
                                          as_subject  in varchar2, --邮件标题
                                          as_msg_body in varchar2) --邮件内容
 IS
  ls_mailhost  varchar2(30) := '192.168.0.1'; -- 邮件服务地址
  lc_mail_conn utl_smtp.connection;
  ls_subject   varchar2(100);
  ls_msg_body  varchar2(20000);
  --邮件服务器上发件人的帐号和密码
  ls_username  varchar2(256) := 'fajian@xxx.com';
  ls_password varchar2(256) := '123456';
BEGIN
  lc_mail_conn := utl_smtp.open_connection(ls_mailhost, 25);--在特定地址特定端口获得链接
  utl_smtp.helo(lc_mail_conn, ls_mailhost);
  utl_smtp.command(lc_mail_conn, 'AUTH LOGIN');
  utl_smtp.command(lc_mail_conn,
                   demo_base64.encode(utl_raw.cast_to_raw(ls_username)));
  utl_smtp.command(lc_mail_conn,
                   demo_base64.encode(utl_raw.cast_to_raw(ls_password)));
  ls_subject  := 'Subject: [' || upper(sys_context('userenv', 'db_name')) ||
                 '] - ' || convert(as_subject, 'ZHS16GBK', 'AL32UTF8');
  ls_msg_body := convert(as_msg_body, 'ZHS16GBK', 'AL32UTF8');

  utl_smtp.mail(lc_mail_conn, '<' || '发件人sxgkwei' || '>'); 
  utl_smtp.rcpt(lc_mail_conn, '<' || as_recp || '>'); 
  utl_smtp.open_data(lc_mail_conn);

  ls_msg_body := 'From: ' || '发件人sxgkwei' || chr(13) || chr(10) ||
                 'To: ' || as_recp || chr(13) || chr(10) || ls_subject ||
                 chr(13) || chr(10) || chr(13) || chr(10) || ls_msg_body;

  utl_smtp.write_raw_data(lc_mail_conn, utl_raw.cast_to_raw(ls_msg_body));

  utl_smtp.close_data(lc_mail_conn);
  utl_smtp.quit(lc_mail_conn);
EXCEPTION
  WHEN UTL_SMTP.INVALID_OPERATION THEN
    dbms_output.put_line('invalid operation');
  WHEN UTL_SMTP.TRANSIENT_ERROR THEN
    dbms_output.put_line('transient error');
  WHEN UTL_SMTP.PERMANENT_ERROR THEN
    dbms_output.put_line('permanent error');
  
  WHEN OTHERS THEN
    dbms_output.put_line('others');
end SEND_MAIL_one;