图书管理程序（二）

($a_last3!="")){
    $a_first3=trim($a_first3);
    $a_last3=trim($a_last3);
       $s_author3="select author_id from author where first_name=\"$a_first3\" and last_name=\"$a_last3\"";
       $results6 = @mysql_query($s_author3);
       $count6=mysql_fetch_array($results6);
       if(mysql_num_rows($results6)<1){
        $q_author3="INSERT INTO author (first_name, last_name, address, zipcode, telephone, email) VALUES (\"$a_first2\", \"$a_last2\", \"$address\",  \"$zipcode\", \"$telephone\", \"$email\")";
        $result3 = @mysql_query($q_author3);
        if($result3){
                   $author_id= mysql_insert_id();
          }
           
    }
    else
        $author_id =$count6[0];
    if($books_id!=""

关键词：图书管理程序（二）