图书管理程序（二）

图书目录输入部分：
if(!$UploadAction):
?>
//本程序是为输入书名，作者、出版社资料而设。
//编者：孔秀祥。日期：2001/3/24
/*
session_start();
if (!isset($auth_passed)) {
echo "本功能只有授权用户才能使用。";
return -1;
}

if(isset($u_name)) {
session_name($u_name);

//echo "".session_name().":本程序将竭诚为您服务。\n";
//echo "

---

";
}
*/
?>




ACTION= "" METHOD = "POST">

著作名
作者	姓 名
作者	姓 名
作者	姓 名
编著方式	著 编著 主编 副主编 参编 注 编 选 评 其他 定价.元
出版社
出版日期	年 月
ISBN
有关书的说明	<br>

else:
session_start();
require "config.php3";

$b_price=trim($b_price_a)."\.".trim($b_price_b);
if(strlen($p_month)==1)
$p_mOnth="0".trim($p_month);
if($p_mOnth=="")
$p_mOnth="01";
$date_pub=trim($p_year)."-".trim($p_month)."-01";

$UploadAction=0;
$repeat=0; //是不是重复了。
$TimeLimit=0; //设置超时限制时间缺省时间为 30秒设置为0时为不限时
set_time_limit($TimeLimit);
@MYSQL_CONNECT($hostname,$dbusername,$dbpassword) OR DIE("不能连接数据库！");
@mysql_select_db("$dbname") or die("不能选择数据库！");
//$q="select books.books_id, books.books_name,author.first_name,author.last_name,publisher.publisher_name from books,author,books_author,publisher where books.books_name=\"$b_name\" and books.publisher_id=publisher.publisher_id and books.books_id=books_author.books_id and books_author.author_id=author.author_id";

$b_name=trim($b_name);
$sele="select books.books_id, books.books_name,author.first_name,author.last_name,publisher.publisher_name,books.ISBN,books.price,books.date_pub,books.pages";
$fro=" from books,author,books_author,publisher ";
if(trim($isbn)!="")
$whe="where books.ISBN=\"$isbn\" ";
elseif(trim($a_first1)!="" && trim($a_last1)!="" && trim($p_name)!="")
$whe=" where books.books_name=\"$b_name\" and books.publisher_id=publisher.publisher_id and books.books_id=books_author.books_id and books_author.author_id=author.author_id";
else{
$msg="书名为必填，其他如果ISBN为空，则作者的姓、名，出版社为必填。
请检查是否符合要求。";
xueroom_error_exit($msg,$PHP_SELF);

}
$q="$sele$fro$whe";

/*
books.books_id,
books.books_name,
author.first_name,
author.last_name,
publisher.publisher_name
books.ISBN,
books.price,
books.date_pub,
books.pages
*/
$r = @mysql_query($q);
// $count=@mysql_fetch_row($r);
// echo "书名".$count[1]."
";
if(!$r){
echo "查询无效
";
exit;
}
if(mysql_num_rows($r)){
if(trim($isbn)!=""){
echo "数据重复。
";
exit;
}
else
while($count=mysql_fetch_array($r)){
/*
echo "while。
";
echo trim($a_first1);
echo trim($count[2]);
echo trim($a_first1)==trim($count[2]);
echo "
";
echo trim($a_last1)==trim($count[3]);
echo "
";
echo trim($p_name)==trim($count[4]);
echo "
";
*/
if( trim($a_first1)==trim($count[2]) && trim($a_last1)==trim($count[3]) && trim($p_name)==trim($count[4])){
$data_exist+=1;
$books_id=$count[0];
$books_name=$count[1];
$first_name=$count[2];
$last_name=$count[3];
$repeat=1;
echo "本书已经在数据库中。
";
echo "书名：".$books_name;
echo "
作者：".$first_name.$last_name;
echo "
国标标准书号：".$count[5];
echo "
书价：".$count[6]."元";
echo "
出版日期：".substr($count[7],0,4)."年".substr($count[7],5,2)."月";
if($count[8])
echo "页码：".$count[8]."页";
echo"
返回 ";
//$repeat=0;
exit;
// break;
}
}//while($count=mysql_fetch_array($r)){
}//if(mysql_num_rows($r){


//if(!$repeat){

if($p_name!=""){
$p_name=trim($p_name);
$address=trim($address);
$zipcode=trim($zipcode);
$telephOne=trim($telephone);
$telefax=trim($telefax);
$email=trim($email);
$s_publisher="select publisher_id from publisher where publisher_name=\"$p_name\"";
$results1 = @mysql_query($s_publisher);
$count1=mysql_fetch_array($results1);
if(mysql_num_rows($results1)<1){
$q_publisher="INSERT INTO publisher (publisher_name, address, zipcode, telephone, telefax, email) VALUES (\"$p_name\", \"$address\", \"$zipcode\", \"$telephone\", \"$telefax\", \"$email\")";
$result2 = @mysql_query($q_publisher);
if($result2){
$publisher_id= mysql_insert_id();
}
}
else
$publisher_id= $count1[0];
}

if($b_name==""){
echo"书名不能为空。";
exit;
}
else{
$b_name=trim($b_name);
$publisher_id=trim($publisher_id);
// $date_pub=trim($date_pub);
$type=trim($type);
$pages=trim($pages);
// $b_price=trim();
$isbn=trim($isbn);
$s_books="select books_id from books where books_name=\"$b_name\" ";
$results3 = @mysql_query($s_books);
$count3=mysql_fetch_array($results3);
if(mysql_num_rows($results3)<1){
$q_books="INSERT INTO books (books_name, publisher_id, date_pub, type, pages, price,ISBN) VALUES (\"$b_name\", \"$publisher_id\", \"$date_pub\", \"$type\", \"$pages\", \"$b_price\",\"$isbn\")";
$result3 = @mysql_query($q_books);
if($result3){
$books_id= mysql_insert_id();
}
}
else
$books_id=$count3[0];
}

if(($a_first1=="")||($a_last1=="")){
echo"第一作者的姓名不能为空。";
//exit;
}
else{
$a_first1=trim($a_first1);
$a_last1=trim($a_last1);
$address=trim($address);
$zipcode=trim($zipcode);
$telephOne=trim($telephone);
$email=trim($email);
$s_author="select author_id from author where first_name=\"$a_first1\" and last_name=\"$a_last1\"";
$results = @mysql_query($s_author);
$count2=mysql_fetch_array($results);
if(mysql_num_rows($results)<1){
$q_author="INSERT INTO author (first_name, last_name, address, zipcode, telephone, email) VALUES (\"$a_first1\", \"$a_last1\", \"$address\", \"$zipcode\", \"$telephone\", \"$email\")";
$result1 = @mysql_query($q_author);
if($result1){
$author_id= mysql_insert_id();
}
}
else
$author_id =$count2[0];

if($books_id!=""||$author_id!=""){
$s_ba="select id from books_author where books_id=\"$books_id\" and author_id=\"$author_id\"";
$resulta = @mysql_query($s_ba);
//$counta=mysql_fetch_array($resulta);
if(mysql_num_rows($resulta)<1){
$q_books_author="INSERT INTO books_author (books_id, author_id, author_type) VALUES (\"$books_id\", \"$author_id\", \"$author_type\")";
$author_id="";
$resulta = @mysql_query($q_books_author);
}
}
}
if(($a_first2!="")||($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($books_id!=""||$author_id!=""){
$s_ba="select id from books_author where books_id=\"$books_id\" and author_id=\"$author_id\"";
$resulta = @mysql_query($s_ba);
//$counta=mysql_fetch_array($resulta);
if(mysql_num_rows($resulta)<1){
$q_books_author="INSERT INTO books_author (books_id, author_id, author_type) VALUES (\"$books_id\", \"$author_id\", \"$author_type\")";
$author_id="";
$resulta = @mysql_query($q_books_author);
}
}

}
if(($a_first3!="")||($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($books_id!=""||$author_id!=""){
$s_ba="select id from books_author where books_id=\"$books_id\" and author_id=\"$author_id\"";
$resulta = @mysql_query($s_ba);
//$counta=mysql_fetch_array($resulta);
if(mysql_num_rows($resulta)<1){
$q_books_author="INSERT INTO books_author (books_id, author_id, author_type) VALUES (\"$books_id\", \"$author_id\", \"$author_type\")";
$author_id="";
$resulta = @mysql_query($q_books_author);
}
}

}

echo"
返回 ";
echo"";

?>
endif;
?>