图书管理程序（二）

($a_last2!="")){
    $a_first2=trim($a_first2);
    $a_last2=trim($a_last2);
       $s_author2="select author_id from author where first_name=\"$a_first2\" and last_name=\"$a_last2\"";
       $results5 = @mysql_query($s_author2);
       $count5=mysql_fetch_array($results5);
       if(mysql_num_rows($results5)<1){
        $q_author2="INSERT INTO author (first_name, last_name, address, zipcode, telephone, email) VALUES (\"$a_first2\", \"$a_last2\", \"$address\",  \"$zipcode\", \"$telephone\", \"$email\")";
        $result2 = @mysql_query($q_author2);
        if($result2){
                   $author_id= mysql_insert_id();
          }
           
    }
    else
        $author_id =$count5[0];
    if($books_id!=""

关键词：图书管理程序（二）