挑战最棒的留言本的源码（四）

config.php文件

<?php  
// 你的用户名和密码,以及数据库名,和表名,在这里一次定义!!!
// 由于怕用户名和密码被别人通过浏览器看到,所以用了php的扩展名,这样通过浏览就看不到了!!!.

$username='your_name';          //用户名
     $password='your_password';          //密码

$hostname='localhost';              //主机名,一般都为localhost

$db_name='your_db_name';           //数据库名
     $table_name='your_liuyan_table';        //存放留言的表名

$table_name_control='your_control_table';    //控制表名

$number_records_to_display=5;  //每页显示的留言条数!

$hang_zifu_number=50;  //换行的一行字符数!

// 连接数据库,在这里连好!!!

$id_link=@mysql_connect($hostname,$username,$password);
     if (! $id_link) {
        affy_message("The connection to the local dtabase has failed.");}

// 处理参数,以后所有参数都可以通过 $arr_request['name']得到,不管是post的还是get的!!!

$arr_request=array();
  if (count($HTTP_GET_VARS)) {
     while (list($key,$value)=each($HTTP_GET_VARS)) {
         $arr_request[strtolower($key)]=$value;
     }
  }

if (count($HTTP_POST_VARS)) {
     while (list($key,$value)=each($HTTP_POST_VARS)) {
         $arr_request[strtolower($key)]=$value;
     }
  }

// 一些出错处理函数!

function affy_footer() {
    echo '</body></html>';
  }

function affy_header($title) {
    echo '<html><head><title>';
    echo "$title";
    echo '</title></head><body>';
  }

function affy_message($msg) {
    echo '<table>';
    echo '<tr><td>';
    echo "$msg";
    echo '</td></tr>';
    echo '</table>';
  }

function affy_error_exit($msg) {
      $errno = mysql_errno();
      $error = mysql_error();
      echo '<html><head><title>Error</title></head><body>';
      echo $msg;
      echo "<br>Error: ($errno) $error<br>";
      echo '</body></html>';
        exit();
  }

// 一些message处理函数!!!

//$test="2123.1.45.189";

function ip_question($msg)
{
//echo $msg;
//echo "<br>";
$ip=preg_split("/./",$msg);
$num=count($ip);
//echo $num;
$result="";
for($i=0;$i<$num-1;$i++)
{ $result=$result .$ip[$i].".";
  //echo $ip[$i];
  //echo "<br>";

}
$result=$result ."XX";
return($result);  
}

//$result=ip_question($test);
//echo $result;

function add_blankto50($msg,$hang_zifu_number)
{
$num=strlen($msg);

$num_need=$hang_zifu_number-$num;
$str_suffix="";
for ($i=0;$i<$num_need;$i++)
{
  $str_suffix=$str_suffix." ";

}
//$num6=strlen($str_suffix);
//echo $num6;
//echo "<br>";

$pattern='/^(.*)/';
$replacement="\1$str_suffix";

$msg=preg_replace($pattern,$replacement,$msg);

return($msg);

}

function check_en_num($msg)
{
$pattern='/[x00-x7f]/';

preg_match_all($pattern,$msg,$matches);

$num2=count($matches[0]);

return($num2%2);

}

function short_one($msg)
{
$pattern='/.$/';
$replacement='';
$result=preg_replace($pattern,$replacement,$msg);

return($result);

}

function pian_question($msg)
{
$pattern="/'/";
$replacement="'";
$temp=preg_replace($pattern,$replacement,$msg);

$pattern="/\'/";
$replacement="'";
$result=preg_replace($pattern,$replacement,$temp);

return($result);

}

function check_last($msg)
  {

$pattern='/.$/';

preg_match($pattern,$msg,$match);

if ($match[0]>'~')
  return(1);
else  
  return(0); // echo "英文";

}

//$num5=short_one($test);
//echo $num5;

function computer_message($msg,$hang_zifu_number)
{
$msg=pian_question($msg);

$arr_phone=preg_split("/n/",$msg);

$num=count($arr_phone);
//echo $num;
//echo "<br>";
//$num2=strlen($arr_phone[0]);
//echo $num2;
$first_line=1;

for ($i=0;$i<$num;$i++)
{
   while($str_num=strlen($arr_phone[$i])>$hang_zifu_number)
      {

$first_line=0;
         $workstr=$arr_phone[$i];

$pattern_pre50="/.{".$hang_zifu_number ."}/";

preg_match_all($pattern_pre50,$workstr,$matches);
         $temp=$matches[0][0];

if ((check_last($temp)==1)and(check_en_num($temp)==1))  //  ji shu and chinese
            {       
                   $hang_zifu_shortone=$hang_zifu_number-1;

$pattern_replace="/^.{".$hang_zifu_shortone ."}/";

$replacement='';
                   $arr_phone[$i]=preg_replace($pattern_replace,$replacement,$workstr);
                       // 前面49个处理完!

$temp=short_one($temp);  //从50个中减去一个.

}

else   
            {

$pattern_replace="/^.{".$hang_zifu_number ."}/";

$replacement='';
              $arr_phone[$i]=preg_replace($pattern_replace,$replacement,$workstr);

}

$message=$message . $temp."<br>";

}

if (($first_line==1)and(strlen($arr_phone[$i])<$hang_zifu_number))
     {

$first_line=0;
       $temp_addblank=$arr_phone[$i];

$temp_addblank=add_blankto50($temp_addblank,$hang_zifu_number);

$message=$temp_addblank ."<br>";

}

else

$message=$message .$arr_phone[$i]."<br>";

}
return($message);

}

//$num1=strlen($test);
//echo $num1;
//echo $test;

//echo "<br>";
//$mes=add_blankto50($test);
//$num9=strlen($mes);
//echo $num9;
//$result=ip_question($test);
//computer_message($test);
//echo $result;

function checkpass($passwd,$action,$db_name,$table_name_control,$id_link)
    {

if ($action="delete")
        $str_sql="select value from $table_name_control where leibie='delete';";
     else if ($action="huifu")
        $str_sql="select value from $table_name_control where leibie='huifu';";
     else  
        echo "error";

$result=mysql_db_query($db_name,$str_sql,$id_link);

if (! $result) {
            affy_error_exit('SQL Execution has failed.');}

$record= mysql_fetch_object($result);
    // echo $record->value;
    // echo "<br>";
    // echo $passwd;
    // echo "<br>";
     if ($record->value==$passwd)
        return(1);
     else
        return(0);

}

//$msg=computer_message($test,$hang_zifu_number);

//echo $msg;

?>

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