php增删改查
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
</head>
<style>
.adc {
color: red;
}
</style>
<body>
<?php
// 分页
if (isset($_GET[‘page‘])) {
$p = $_GET[‘page‘];
} else {
$p = 1;
};
$pagenum = 2;
$pages = ($p - 1) * $pagenum;
$page = $pages . ‘,‘ . $pagenum;
// p标签查询条件
$where = "";
$tit ="";
if(isset($_GET[‘tit‘])){
$tit = $_GET[‘tit‘];
$where = "where title like ‘%$tit%‘";
}
//
$conn = new mysqli(‘localhost‘, ‘root‘, ‘root‘, ‘aaa‘);
$sql = "select * from chanpinbiao $where $where limit $page";
$res = $conn->query($sql);
$arr = $res->fetch_all(MYSQLI_ASSOC);
// 查询所有数据
$sql = "select * from chanpinbiao $where";
$ree = $conn->query($sql);
$zu = $ree->num_rows;
// 分多少页
$zui = ceil($zu / $pagenum);
$conn->close();
?>
<p>
<form action="" method="get">
请输入内容：<input type="text" name="tit" value="<?php echo $tit ?>">
<input type="submit" value="查询">
</form>
</p>
<table border="1">
<tr>
<td>id</td>
<td>标题</td>
<td>图片</td>
<td>内容</td>
<td>操作</td>
</tr>
<?php
foreach ($arr as $var) {
?>
<tr>
<td><?php echo $var[‘id‘] ?></td>
<td><?php echo $var[‘title‘] ?></td>
<td>
<?php
if ($var[‘img‘]) {
?>
<img src="<?php echo $var[‘img‘] ?>">
<?php
} else {
echo ‘暂无图片‘;
};
?>
</td>
<td><?php echo $var[‘cont‘] ?></td>
<td>
<a href="add.php">添加</a>
<a href="javasript:;" class="del" tt="<?php echo $var[‘id‘] ?>">删除</a>
</td>
</tr>
<?php
}
?>
</table>
<p>
<a href="tupian.php?page=1&tit=<?php echo $tit ?>">首页</a>
<?php if ($p > 1) { ?>
<a href="tupian.php?page=<?php echo ($p - 1); ?>&tit=<?php echo $tit ?>">上一页</a>
<?php
}
for ($i = 1; $i <= $zui; $i++) {
?>
<a href="tupian.php?page=<?php echo $i; ?>&tit=<?php echo $tit ?>" <?php if ($i == $p) { ?>class="abc" <?php } ?>><?php echo $i; ?></a>
<?php
};
if ($zui > $p) {
?>
<a href="tupian.php?page=<?php echo ($p + 1); ?>&tit=<?php echo $tit ?>">下一页</a>
<?php
}
?>
<a href="tupian.php?page=<?php echo $zui; ?>&tit=<?php echo $tit ?>">尾页</a>
</p>
</body>
<script src="js/jquery-3.4.1.js"></script>
<script>
$(‘.del‘).click(function() {
var i = confirm(‘确定删除？‘);
var ids = $(this).attr(‘tt‘);
var thid = $(this);
if (i == true) {
$.ajax({
url: der.php,
date: {
‘id‘: ids
},
dataType: ‘json‘,
type: ‘post‘,
success: function(res) {
if (res.code == 1) {
this.parents(‘tr‘).remove();
} else {
alert(‘服务器异常，稍后再试‘);
}
}
})
};
});
</script>
</html>
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