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优化 数据库连接

This commit is contained in:
LyLme 2022-03-12 15:37:01 +08:00
parent 619e9a14f8
commit 9507e13d71
1 changed files with 100 additions and 158 deletions
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122
admin/group.php
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@ -11,11 +11,8 @@ include './head.php';
<div class="card"> <div class="card">
<div class="card-body"> <div class="card-body">
<?php <?php
$set = isset($_GET['set']) ? $_GET['set'] : null; $set = isset($_GET['set']) ? $_GET['set'] : null;
if ($set == 'add') {
if($set=='add')
{
echo '<h4>新增分组</h4> echo '<h4>新增分组</h4>
<div class="panel-body"><form action="./group.php?set=add_submit" method="POST"> <div class="panel-body"><form action="./group.php?set=add_submit" method="POST">
<div class="form-group"> <div class="form-group">
@ -35,12 +32,10 @@ echo '<h4>新增分组</h4>
<br/><a href="./group.php"><<返回分组列表</a> <br/><a href="./group.php"><<返回分组列表</a>
</div></div> </div></div>
'; ';
} } elseif ($set == 'edit') {
elseif($set=='edit')
{
$id = $_GET['id']; $id = $_GET['id'];
$row2 = mysqli_query($con,"select * from lylme_groups where group_id='$id' limit 1"); $row2 = $DB->query("select * from lylme_groups where group_id='$id' limit 1");
$row=mysqli_fetch_assoc($row2); $row = $DB->fetch($row2);
echo '<h4>修改分组信息</h4> echo '<h4>修改分组信息</h4>
<div class="panel-body"> <div class="panel-body">
<form action="./group.php?set=edit_submit&id=' . $id . '" method="POST"> <form action="./group.php?set=edit_submit&id=' . $id . '" method="POST">
@ -59,62 +54,42 @@ echo '<h4>修改分组信息</h4>
<input type="submit" class="btn btn-primary btn-block" value="确定修改"></form> <input type="submit" class="btn btn-primary btn-block" value="确定修改"></form>
</div> </div>
<br/><a href="./group.php"><<返回分组列表</a></div></div>'; <br/><a href="./group.php"><<返回分组列表</a></div></div>';
} } elseif ($set == 'add_submit') {
elseif($set=='add_submit')
{
$name = $_POST['group_name']; $name = $_POST['group_name'];
$icon = $_POST['group_icon']; $icon = $_POST['group_icon'];
$group_order = $groupsrows + 1; $group_order = $groupsrows + 1;
if ($name == NULL) { if ($name == NULL) {
echo '<script>alert("保存错误,请确保带星号的都不为空！");history.go(-1);</script>'; echo '<script>alert("保存错误,请确保带星号的都不为空！");history.go(-1);</script>';
} else { } else {
$sql = "INSERT INTO `lylme_groups` (`group_id`, `group_name`, `group_icon`,`group_order`) VALUES (NULL, '" . $name . "', '" . $icon . "', '" . $group_order . "')"; $sql = "INSERT INTO `lylme_groups` (`group_id`, `group_name`, `group_icon`,`group_order`) VALUES (NULL, '" . $name . "', '" . $icon . "', '" . $group_order . "')";
if ($DB->query($sql)) {
if(mysqli_query($con,$sql)){
echo '<script>alert("添加分组 ' . $name . ' 成功！");window.location.href="/admin/group.php";</script>'; echo '<script>alert("添加分组 ' . $name . ' 成功！");window.location.href="/admin/group.php";</script>';
exit(); exit();
}else } else echo '<script>alert("添加分组失败");history.go(-1);</script>';
echo '<script>alert("添加分组失败");history.go(-1);</script>';
exit(); exit();
} }
echo '<script>alert("添加分组失败,名称重复");history.go(-1);</script>'; echo '<script>alert("添加分组失败,名称重复");history.go(-1);</script>';
} } elseif ($set == 'edit_submit') {
elseif($set=='edit_submit')
{
$id = $_GET['id']; $id = $_GET['id'];
$rows2 = mysqli_query($con,"select * from lylme_groups where group_id='$id' limit 1"); $rows2 = $DB->query("select * from lylme_groups where group_id='$id' limit 1");
$rows=mysqli_fetch_assoc($rows2); $rows = $DB->fetch($rows2);
if(!$rows) if (!$rows) echo '<script>alert("当前记录不存在！");history.go(-1);</script>';
echo '<script>alert("当前记录不存在！");history.go(-1);</script>';
$name = $_POST['group_name']; $name = $_POST['group_name'];
$icon = $_POST['group_icon']; $icon = $_POST['group_icon'];
if ($name == NULL) { if ($name == NULL) {
echo '<script>alert("保存错误,请确保带星号的都不为空！");history.go(-1);</script>'; echo '<script>alert("保存错误,请确保带星号的都不为空！");history.go(-1);</script>';
} else { } else {
$sql = "UPDATE `lylme_groups` SET `group_name` = '" . $name . "', `group_icon` = '" . $icon . "' WHERE `lylme_groups`.`group_id` = '" . $id . "';"; $sql = "UPDATE `lylme_groups` SET `group_name` = '" . $name . "', `group_icon` = '" . $icon . "' WHERE `lylme_groups`.`group_id` = '" . $id . "';";
if ($DB->query($sql)) echo '<script>alert("修改分组 ' . $name . ' 成功！");window.location.href="/admin/group.php";</script>';
if(mysqli_query($con,$sql)) else echo '<script>alert("' . $sql . '修改分组失败");history.go(-1);</script>';
echo '<script>alert("修改分组 '.$name.' 成功！");window.location.href="/admin/group.php";</script>';
else
echo '<script>alert("'.$sql.'修改分组失败");history.go(-1);</script>';
} }
} } elseif ($set == 'delete') {
elseif($set=='delete')
{
$id = $_GET['id']; $id = $_GET['id'];
$delsql1 = 'DELETE FROM `lylme_links` WHERE group_id =' . $id; $delsql1 = 'DELETE FROM `lylme_links` WHERE group_id =' . $id;
$delsql2 = 'DELETE FROM `lylme_groups` WHERE group_id=' . $id; $delsql2 = 'DELETE FROM `lylme_groups` WHERE group_id=' . $id;
if(mysqli_query($con,$delsql1) && mysqli_query($con,$delsql2)) if ($DB->query($delsql1) && $DB->query($delsql2)) echo '<script>alert("删除成功！");window.location.href="/admin/group.php";</script>';
echo '<script>alert("删除成功！");window.location.href="/admin/group.php";</script>'; else echo '<script>alert("删除失败！");history.go(-1);</script>';
else } elseif ($set == 'up') {
echo '<script>alert("删除失败！");history.go(-1);</script>';
}
elseif($set=='up')
{
$id = $_GET['id']; $id = $_GET['id'];
$order = $_GET['order'] - 1; $order = $_GET['order'] - 1;
$arrid = $_GET['arrid']; $arrid = $_GET['arrid'];
@ -122,43 +97,26 @@ if($order <= 0){
echo '<script>window.location.href="/admin/group.php";</script>'; echo '<script>window.location.href="/admin/group.php";</script>';
exit(); exit();
} }
// while($orderrow > 1){ // while($orderrow > 1){
// $order=$order-1; // $order=$order-1;
// $sql3 = 'SELECT * FROM `lylme_groups` WHERE `group_order` ='.$order; // $sql3 = 'SELECT * FROM `lylme_groups` WHERE `group_order` ='.$order;
// $orderrow=mysqli_num_rows(mysqli_query($con,$sql3)); // $orderrow=mysqli_num_rows(mysqli_query($con,$sql3));
// } // }
$sql1 = 'UPDATE `lylme_groups` SET `group_order` = ' . $order . ' WHERE `group_id` = ' . $id; $sql1 = 'UPDATE `lylme_groups` SET `group_order` = ' . $order . ' WHERE `group_id` = ' . $id;
$sql2 = 'UPDATE `lylme_groups` SET `group_order` = ' . $_GET['order'] . ' WHERE `group_id` = ' . $arrid; $sql2 = 'UPDATE `lylme_groups` SET `group_order` = ' . $_GET['order'] . ' WHERE `group_id` = ' . $arrid;
if(mysqli_query($con,$sql1)) if ($DB->query($sql1)) echo '<script>window.location.href="/admin/group.php?orderid=' . $id . '";</script>';
else echo '<script>alert("上移失败!");history.go(-1);</script>';
echo '<script>window.location.href="/admin/group.php?orderid='.$id.'";</script>'; } elseif ($set == 'down') {
else
echo '<script>alert("上移失败!");history.go(-1);</script>';
}
elseif($set=='down')
{
$id = $_GET['id']; $id = $_GET['id'];
$order = $_GET['order'] + 1; $order = $_GET['order'] + 1;
$arrid = $_GET['arrid']; $arrid = $_GET['arrid'];
$sql1 = 'UPDATE `lylme_groups` SET `group_order` = ' . $order . ' WHERE `group_id` = ' . $id; $sql1 = 'UPDATE `lylme_groups` SET `group_order` = ' . $order . ' WHERE `group_id` = ' . $id;
$sql2 = 'UPDATE `lylme_groups` SET `group_order` = ' . $order . ' WHERE `group_id` = ' . $arr[$arrid + 1]; $sql2 = 'UPDATE `lylme_groups` SET `group_order` = ' . $order . ' WHERE `group_id` = ' . $arr[$arrid + 1];
if ($DB->query($sql1)) echo '<script>window.location.href="/admin/group.php?orderid=' . $id . '";</script>';
if(mysqli_query($con,$sql1)) else echo '<script>alert("下移失败!");history.go(-1);</script>';
echo '<script>window.location.href="/admin/group.php?orderid='.$id.'";</script>'; } else {
else
echo '<script>alert("下移失败!");history.go(-1);</script>';
}
else
{
$sql = " 1"; $sql = " 1";
$cons = '系统共有 <b>' . $groupsrows . '</b> 个分组<br/><a href="./group.php?set=add" class="btn btn-primary">新建分组</a>'; $cons = '系统共有 <b>' . $groupsrows . '</b> 个分组<br/><a href="./group.php?set=add" class="btn btn-primary">新建分组</a>';
echo '<div class="alert alert-info">'; echo '<div class="alert alert-info">';
echo $cons; echo $cons;
echo '</div>'; echo '</div>';
@ -170,40 +128,25 @@ echo '</div>';
<thead><tr><th>排序权重</th><th>名称</th><th>排序</th><th>操作</th></tr></thead> <thead><tr><th>排序权重</th><th>名称</th><th>排序</th><th>操作</th></tr></thead>
<tbody> <tbody>
<?php <?php
// $pagesize=30; $rs = $DB->query("SELECT * FROM lylme_groups WHERE{$sql} order by group_order asc");
// $pages=intval($groupsrows/$pagesize);
// if ($groupsrows%$pagesize)
// {
// $pages++;
// }
// if (isset($_GET['page'])){
// $page=intval($_GET['page']);
// }
// else{
// $page=1;
// }
// $offset=$pagesize*($page - 1);
$rs=mysqli_query($con,"SELECT * FROM lylme_groups WHERE{$sql} order by group_order asc");
$orderid = isset($_GET['orderid']) ? $_GET['orderid'] : null; $orderid = isset($_GET['orderid']) ? $_GET['orderid'] : null;
if($orderid != NULL){echo '<style>#ordertd-'.$orderid.' {background: #d9edf7; !important}</style>';} if ($orderid != NULL) {
echo '<style>#ordertd-' . $orderid . ' {background: #d9edf7; !important}</style>';
}
$arr = array(); $arr = array();
$arrid = 0; $arrid = 0;
while($res = mysqli_fetch_array($rs)){ while ($res = $DB->fetch($rs)) {
array_push($arr, $res['group_id']); array_push($arr, $res['group_id']);
echo '<tr id="ordertd-' . $res['group_id'] . '"><td><b>' . $res['group_order'] . '</b></td><td>' . $res['group_name'] . '</td><td>'; echo '<tr id="ordertd-' . $res['group_id'] . '"><td><b>' . $res['group_order'] . '</b></td><td>' . $res['group_name'] . '</td><td>';
if ($arr[0] != $res['group_id']) { if ($arr[0] != $res['group_id']) {
echo '<a href="./group.php?set=up&id='.$res['group_id'].'&order='.$res['group_order'].'&arrid='.$arr[$arrid-1].'" class="btn btn-primary btn-xs">上移</a>&nbsp; ';} echo '<a href="./group.php?set=up&id=' . $res['group_id'] . '&order=' . $res['group_order'] . '&arrid=' . $arr[$arrid - 1] . '" class="btn btn-primary btn-xs">上移</a>&nbsp; ';
}
if (isset($arr[$groupsrows - 1]) != $res['group_id']) { if (isset($arr[$groupsrows - 1]) != $res['group_id']) {
echo '<a href="./group.php?set=down&id='.$res['group_id'].'&order='.$res['group_order'].'&arrid='.$arr[$arrid].'" class="btn btn-cyan btn-xs">下移</a>';} echo '<a href="./group.php?set=down&id=' . $res['group_id'] . '&order=' . $res['group_order'] . '&arrid=' . $arr[$arrid] . '" class="btn btn-cyan btn-xs">下移</a>';
}
echo '</td><td>&nbsp;<a href="./group.php?set=edit&id=' . $res['group_id'] . '" class="btn btn-info btn-xs">编辑</a>&nbsp;<a href="./group.php?set=delete&id=' . $res['group_id'] . '" class="btn btn-xs btn-danger" onclick="return confirm(\'你确实要删除分组 ' . $res['group_name'] . ' 吗？\n\n注意：该操作组会同时删除分组下的链接\');">删除</a> </td></tr>'; echo '</td><td>&nbsp;<a href="./group.php?set=edit&id=' . $res['group_id'] . '" class="btn btn-info btn-xs">编辑</a>&nbsp;<a href="./group.php?set=delete&id=' . $res['group_id'] . '" class="btn btn-xs btn-danger" onclick="return confirm(\'你确实要删除分组 ' . $res['group_name'] . ' 吗？\n\n注意：该操作组会同时删除分组下的链接\');">删除</a> </td></tr>';
$arrid = $arrid + 1; $arrid = $arrid + 1;
} }
?> ?>
</tbody> </tbody>
@ -220,7 +163,6 @@ $arrid = $arrid+1;
</main> </main>
<?php <?php
} }
include './footer.php'; include './footer.php';
?> ?>