图书管理程序（三）

2015-01-24信息快讯网

图书查询部分：
<?
if(!$UploadAction):
?>
<?
//本程序是为输出书名，作者、出版社资料而设。
//编者：孔秀祥。日期：2001/3/25
?>
<HTML><HEAD>
<TITLE>书目查询 </TITLE>
</HEAD>
<BODY><TABLE align=CENTER>
<FORM ENCTYPE= "multipart/form-data" NAME = "SubmitForm"
ACTION= "<? $PHP_SELF ?>" METHOD = "POST">
<INPUT TYPE= "hidden" NAME = "MAX_FILE_SIZE" VALUE ="20000000">
<INPUT TYPE= "hidden" NAME = "UploadAction" VALUE = "1">


<TR><TD align=center>著作名<TD><INPUT NAME = "b_name" TYPE = "text" VALUE="" SIZE = "30" maxlength=100></TD></TR>
<TR><TD align=center>作者<TD>姓<INPUT NAME = "a_first1" TYPE = "text" VALUE="" SIZE = "6" maxlength=20>
名<INPUT NAME = "a_last1" TYPE = "text" VALUE="" SIZE = "6" maxlength=20></TD></TR>
<TR><TD align=center>出版社<TD><INPUT NAME = "p_name" TYPE = "text" VALUE="" SIZE = "30" maxlength=100></TD></TR>
<TR><TD>出版日期<TD><INPUT NAME = "p_year" TYPE = "text" VALUE="" SIZE = "4">年

<TR><TD>ISBN<TD><INPUT NAME = "isbn" TYPE = "text" VALUE="" SIZE = "25">

</TABLE><TABLE align=center>
<TR><TD align=center>
<INPUT NAME = "submit" VALUE = "提交" TYPE = "submit">
<TD><INPUT NAME = "reset" VALUE = "重置" TYPE = "reset">
</TD></TR>
</FORM></CENTER></TABLE></BODY>

</HTML>

<?

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

$b_price=$b_price_a.".".$b_price_b;

$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";
if($b_name!="")
    $bn="books.books_name="$b_name" and ";
if($p_name!="")
    $pn="publisher.publisher_name="$p_name" and ";
if($a_first1!="")
    $af="author.first_name="$a_first1" and ";
if($a_last1!="")
    $al="author.last_name="$a_last1" and ";
if($p_year!=""){
    $date_p="books.date_pub rlike '^$p_year.*' and ";
    }
if($isbn!="")
    $is="books.ISBN="$isbn" and ";
$q="select books.books_id, books.books_name,author.first_name,author.last_name,publisher.publisher_name from books,author,books_author,publisher
where $bn $pn $af $al $date_p $is books.publisher_id=publisher.publisher_id and books.books_id=books_author.books_id and books_author.author_id=author.author_id order by books.books_name";

$r = @mysql_query($q);
if(!$r){
    echo "查询无效 <BR>";
    exit;
}
if(mysql_num_rows($r)<1){
    $msg="没有符合要求的记录。";
    xueroom_error_exit($msg,$PHP_SELF);

}

while($count=mysql_fetch_array($r)){
    $books_id=$count[0];
    $books_name=$count[1];
    $first_name=$count[2];
    $last_name=$count[3];
    $publisher_name=$count[4];
    if($book!=$books_id){
        $repeat++;
        echo "<BR>".$repeat."、";
        echo "《".$books_name."》";
        echo "出版社：".$count[4];
        echo "  作者：";
    }
    echo "$first_name$last_name ";
    $book=$books_id;
}

echo"<BR><A HREF = $PHP_SELF>返回 </A>";
echo"</BODY></HTML>";

?>
<?
endif;
?>

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