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admin_borrow_info.php
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<?php
session_start();
$userid=$_SESSION['userid'];
include ('mysqli_connect.php');
date_default_timezone_set("PRC");
?>
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>图书馆 || 借阅信息</title>
<link rel="stylesheet" href="http://cdn.static.runoob.com/libs/bootstrap/3.3.7/css/bootstrap.min.css">
<script src="http://cdn.static.runoob.com/libs/jquery/2.1.1/jquery.min.js"></script>
<script src="http://cdn.static.runoob.com/libs/bootstrap/3.3.7/js/bootstrap.min.js"></script>
<style>
body{
width: 100%;
height:auto;
}
#query{
text-align: center;
}
</style>
</head>
<body>
<nav class="navbar navbar-default navbar-static-top" role="navigation">
<div class="container-fluid">
<div class="navbar-header">
<a class="navbar-brand" href="#">图书馆管理系统</a>
</div>
<div>
<ul class="nav navbar-nav">
<li ><a href="admin_index.php">主页</a></li>
<li class="dropdown">
<a href="#" class="dropdown-toggle" data-toggle="dropdown">书籍管理<b class="caret"></b>
</a>
<ul class="dropdown-menu">
<li><a href="admin_book.php">全部书籍</a></li>
<li><a href="admin_book_add.php">增加图书</a></li>
</ul>
</li>
<li class="dropdown">
<a href="#" class="dropdown-toggle" data-toggle="dropdown">读者管理<b class="caret"></b>
</a>
<ul class="dropdown-menu">
<li><a href="admin_reader.php">全部读者</a></li>
<li><a href="admin_reader_add.php">增加读者</a></li>
</ul>
</li>
<li class="active"><a href="admin_borrow_info.php">借还管理</a></li>
<li><a href="admin_repass.php">密码修改</a></li>
<li><a href="index.php">退出</a></li>
</ul>
</div>
</div>
</nav>
<h1 style="text-align: center"><strong>借还管理</strong></h1>
<form id="query" action="admin_borrow_info.php" method="POST">
<div id="query">
<label ><input name="bookquery" type="text" placeholder="输入图书名,图书号或读者证号" class="form-control"></label>
<input type="submit" value="查询" class="btn btn-default">
</div>
</form>
<table width='100%' class="table table-hover">
<tr>
<th>借书流水号</th>
<th>图书号</th>
<th>图书名</th>
<th>读者号</th>
<th>借出日期</th>
<th>应还日期</th>
<th>实还日期</th>
<th>归还状态</th>
<th>是否超期</th>
</tr>
<?php
if ($_SERVER["REQUEST_METHOD"] == "POST")
{
$gjc = $_POST["bookquery"];
$sql="select sernum,lend_list.book_id,name,reader_id,lend_date,DATE_ADD(lend_date,INTERVAL 1 MONTH) AS yhrq,back_date
from book_info,lend_list
where book_info.book_id=lend_list.book_id and ( name like '%{$gjc}%'or reader_id like '%{$gjc}% 'or lend_list.book_id like '%{$gjc}%' ) ;";
}
else{
$sql="select sernum,lend_list.book_id,name,reader_id,lend_date,DATE_ADD(lend_date,INTERVAL 1 MONTH) AS yhrq,back_date
from book_info,lend_list
where book_info.book_id=lend_list.book_id;";
}
$res=mysqli_query($dbc,$sql);
foreach ($res as $row){
echo "<tr>";
echo "<td>{$row['sernum']}</td>";
echo "<td>{$row['book_id']}</td>";
echo "<td>{$row['name']}</td>";
echo "<td>{$row['reader_id']}</td>";
echo "<td>{$row['lend_date']}</td>";
echo "<td>{$row['yhrq']}</td>";
echo "<td>{$row['back_date']}</td>";
echo "<td>"; if($row['back_date']!=null) echo"已归还</td>";else echo "未归还</td>";
echo "<td>"; if(date("Y-m-d")>$row['yhrq']) echo"已超期</td>";else echo "未超期</td>";
echo "</tr>";
};
?>
</table>
</body>
</html>