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优化 数据库连接

This commit is contained in:
LyLme 2022-03-12 15:37:29 +08:00
parent 9507e13d71
commit b869f1b140
1 changed files with 79 additions and 96 deletions
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175
admin/link.php
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@ -1,7 +1,7 @@
<?php <?php
$title='网站链接管理'; $title = '网站链接管理';
include './head.php'; include './head.php';
$grouplists =mysqli_query($con,"SELECT * FROM `lylme_groups`"); $grouplists = $DB->query("SELECT * FROM `lylme_groups`");
?> ?>
<main class="lyear-layout-content"> <main class="lyear-layout-content">
@ -12,12 +12,9 @@ $grouplists =mysqli_query($con,"SELECT * FROM `lylme_groups`");
<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') {
echo '<h4>新增链接</h4>
if($set=='add')
{
echo '<h4>新增链接</h4>
<div class="panel-body"> <div class="panel-body">
<form action="./link.php?set=add_submit" method="POST"> <form action="./link.php?set=add_submit" method="POST">
<div class="form-group"> <div class="form-group">
@ -37,37 +34,38 @@ echo '<h4>新增链接</h4>
<div class="form-group"> <div class="form-group">
<label>*分组:</label><br> <label>*分组:</label><br>
<select class="form-control" name="group_id">'; <select class="form-control" name="group_id">';
while ($grouplist = $DB->fetch($grouplists)) {
while($grouplist = mysqli_fetch_assoc($grouplists)) { if ($grouplist["group_id"] == $row['group_id']) {
if($grouplist["group_id"]==$row['group_id']){$select='selected="selected"';}else {$select='';} $select = 'selected="selected"';
echo '<option value="'.$grouplist["group_id"].'">'.$grouplist["group_id"].' - '.$grouplist["group_name"].'</option>'; } else {
} $select = '';
echo '</select></div> }
echo '<option value="' . $grouplist["group_id"] . '">' . $grouplist["group_id"] . ' - ' . $grouplist["group_name"] . '</option>';
}
echo '</select></div>
<div class="form-group"> <div class="form-group">
<input type="submit" class="btn btn-primary btn-block" value="添加"></form> <input type="submit" class="btn btn-primary btn-block" value="添加"></form>
</div> </div>
<br/><a href="./link.php"><<返回</a> <br/><a href="./link.php"><<返回</a>
</div></div>'; </div></div>';
} } elseif ($set == 'edit') {
elseif($set=='edit') $id = $_GET['id'];
{ $row2 = $DB->query("select * from lylme_links where id='$id' limit 1");
$id=$_GET['id']; $row = $DB->fetch($row2);
$row2 = mysqli_query($con,"select * from lylme_links where id='$id' limit 1"); echo '<h4>修改链接信息</h4>
$row=mysqli_fetch_assoc($row2);
echo '<h4>修改链接信息</h4>
<div class="panel-body"> <div class="panel-body">
<form action="./link.php?set=edit_submit&id='.$id.'" method="POST"> <form action="./link.php?set=edit_submit&id=' . $id . '" method="POST">
<div class="form-group"> <div class="form-group">
<label>*名称:</label><br> <label>*名称:</label><br>
<input type="text" class="form-control" name="name" value="'.$row['name'].'" required> <input type="text" class="form-control" name="name" value="' . $row['name'] . '" required>
</div> </div>
<div class="form-group"> <div class="form-group">
<label>*链接URL地址:</label><br> <label>*链接URL地址:</label><br>
<input type="text" class="form-control" name="url" value="'.$row['url'].'" required> <input type="text" class="form-control" name="url" value="' . $row['url'] . '" required>
</div> </div>
<div class="form-group"> <div class="form-group">
<label>链接图标:</label><br> <label>链接图标:</label><br>
<textarea type="text" class="form-control" name="icon" >'.$row['icon'].'</textarea> <textarea type="text" class="form-control" name="icon" >' . $row['icon'] . '</textarea>
<small class="help-block">方式1：填写图标的<code>URL</code>地址，如<code>/img/logo.png</code>或<code>http://www.xxx.com/img/logo.png</code><br> <small class="help-block">方式1：填写图标的<code>URL</code>地址，如<code>/img/logo.png</code>或<code>http://www.xxx.com/img/logo.png</code><br>
方式2：粘贴图标的<code>SVG</code>代码，<a href="/admin/help.php?doc=icon" target="_blank">查看教程</a><br>方式3：留空使用默认图标</small> 方式2：粘贴图标的<code>SVG</code>代码，<a href="/admin/help.php?doc=icon" target="_blank">查看教程</a><br>方式3：留空使用默认图标</small>
</div> </div>
@ -75,83 +73,70 @@ echo '<h4>修改链接信息</h4>
<div class="form-group"> <div class="form-group">
<label>*分组:</label><br> <label>*分组:</label><br>
<select class="form-control" name="group_id">'; <select class="form-control" name="group_id">';
while($grouplist = mysqli_fetch_assoc($grouplists)) { while ($grouplist = $DB->fetch($grouplists)) {
if($grouplist["group_id"]==$row['group_id']){$select='selected="selected"';}else {$select='';} if ($grouplist["group_id"] == $row['group_id']) {
echo '<option value="'.$grouplist["group_id"].'" '.$select.'>'.$grouplist["group_id"].' - '.$grouplist["group_name"].'</option>'; $select = 'selected="selected"';
} } else {
echo '</select> $select = '';
}
echo '<option value="' . $grouplist["group_id"] . '" ' . $select . '>' . $grouplist["group_id"] . ' - ' . $grouplist["group_name"] . '</option>';
}
echo '</select>
</div> </div>
<div class="form-group"> <div class="form-group">
<input type="submit" class="btn btn-primary btn-block" value="修改"></form> <input type="submit" class="btn btn-primary btn-block" value="修改"></form>
</div> </div>
<br/><a href="./link.php"><<返回</a> <br/><a href="./link.php"><<返回</a>
</div></div>'; </div></div>';
} } elseif ($set == 'add_submit') {
elseif($set=='add_submit') $name = $_POST['name'];
{ $url = $_POST['url'];
$name=$_POST['name']; $icon = $_POST['icon'];
$url=$_POST['url']; $group_id = $_POST['group_id'];
$icon=$_POST['icon']; $link_order = $linksrows + 1;
$group_id=$_POST['group_id']; if ($name == NULL or $url == NULL) {
$link_order = $linksrows+1; echo '<script>alert("保存错误,请确保带星号的都不为空！");history.go(-1);</script>';
if($name==NULL or $url==NULL){ } else {
echo '<script>alert("保存错误,请确保带星号的都不为空！");history.go(-1);</script>'; $sql = "INSERT INTO `lylme_links` (`id`, `name`, `group_id`, `url`, `icon`, `PS`,`link_order`) VALUES (NULL, '" . $name . "', '" . $group_id . "', '" . $url . "', '" . $icon . "', '" . $name . "', '" . $link_order . "');";
if ($DB->query($sql)) {
echo '<script>alert("添加链接 ' . $name . ' 成功！");window.location.href="/admin/link.php";</script>';
} else echo '<script>alert("添加链接失败！");history.go(-1);</script>';
}
} elseif ($set == 'edit_submit') {
$id = $_GET['id'];
$rows2 = $DB->query("select * from lylme_links where id='$id' limit 1");
$rows = $DB->fetch($rows2);
if (!$rows) echo '<script>alert("当前记录不存在！");history.go(-1);</script>';
$name = $_POST['name'];
$url = $_POST['url'];
$icon = $_POST['icon'];
$group_id = $_POST['group_id'];
if ($name == NULL or $url == NULL) {
echo '<script>alert("保存错误,请确保带星号的都不为空！");history.go(-1);</script>';
} else {
$sql = "UPDATE `lylme_links` SET `name` = '" . $name . "', `url` = '" . $url . "', `icon` = '" . $icon . "', `group_id` = '" . $group_id . "' WHERE `lylme_links`.`id` = '" . $id . "';";
if ($DB->query($sql)) echo '<script>alert("修改链接 ' . $name . ' 成功！");window.location.href="/admin/link.php";</script>';
else echo '<script>alert("修改链接失败！");history.go(-1);</script>';
}
} elseif ($set == 'delete') {
$id = $_GET['id'];
$sql = "DELETE FROM lylme_links WHERE id='$id'";
if ($DB->query($sql)) echo '<script>alert("删除成功！");window.location.href="/admin/link.php";</script>';
else echo '<script>alert("删除失败！");history.go(-1);</script>';
} else { } else {
$sql="INSERT INTO `lylme_links` (`id`, `name`, `group_id`, `url`, `icon`, `PS`,`link_order`) VALUES (NULL, '".$name."', '".$group_id."', '".$url."', '".$icon."', '".$name."', '".$link_order."');"; echo '<div class="alert alert-info">系统共有 <b>' . $linksrows . '</b> 个链接<br/><a href="./link.php?set=add" class="btn btn-primary">新增链接</a></div>
if(mysqli_query($con,$sql)){
echo '<script>alert("添加链接 '.$name.' 成功！");window.location.href="/admin/link.php";</script>';
}else
echo '<script>alert("添加链接失败！");history.go(-1);</script>';
}
}
elseif($set=='edit_submit')
{
$id=$_GET['id'];
$rows2 = mysqli_query($con,"select * from lylme_links where id='$id' limit 1");
$rows=mysqli_fetch_assoc($rows2);
if(!$rows)
echo '<script>alert("当前记录不存在！");history.go(-1);</script>';
$name=$_POST['name'];
$url=$_POST['url'];
$icon=$_POST['icon'];
$group_id=$_POST['group_id'];
if($name==NULL or $url==NULL){
echo '<script>alert("保存错误,请确保带星号的都不为空！");history.go(-1);</script>';
} else {
$sql = "UPDATE `lylme_links` SET `name` = '".$name."', `url` = '".$url."', `icon` = '".$icon."', `group_id` = '".$group_id."' WHERE `lylme_links`.`id` = '".$id."';";
if(mysqli_query($con,$sql))
echo '<script>alert("修改链接 '.$name.' 成功！");window.location.href="/admin/link.php";</script>';
else
echo '<script>alert("修改链接失败！");history.go(-1);</script>';
}
}
elseif($set=='delete')
{
$id=$_GET['id'];
$sql="DELETE FROM lylme_links WHERE id='$id'";
if(mysqli_query($con,$sql))
echo '<script>alert("删除成功！");window.location.href="/admin/link.php";</script>';
else
echo '<script>alert("删除失败！");history.go(-1);</script>';
}
else
{
echo '<div class="alert alert-info">系统共有 <b>'.$linksrows.'</b> 个链接<br/><a href="./link.php?set=add" class="btn btn-primary">新增链接</a></div>
<div class="table-responsive"> <div class="table-responsive">
<table class="table table-striped"> <table class="table table-striped">
<thead><tr><th>序号</th><th>名称</th><th>链接</th><th>分组</th><th>操作</th></tr></thead> <thead><tr><th>序号</th><th>名称</th><th>链接</th><th>分组</th><th>操作</th></tr></thead>
<tbody>'; <tbody>';
$i = 0; $i = 0;
$rs=mysqli_query($con,"SELECT * FROM `lylme_links` ORDER BY `lylme_links`.`id` ASC"); $rs = $DB->query("SELECT * FROM `lylme_links` ORDER BY `lylme_links`.`id` ASC");
while($res = mysqli_fetch_array($rs)) while ($res = $DB->fetch($rs)) {
{ $i = $i + 1;
$i = $i+1; echo '<tr><td><b>' . $i . '</b></td><td>' . $res['name'] . '</td><td>' . $res['url'] . '</td><td>';
echo '<tr><td><b>'.$i.'</b></td><td>'.$res['name'].'</td><td>'.$res['url'].'</td><td>'; echo $DB->fetch($DB->query("SELECT * FROM `lylme_groups` WHERE `group_id` = " . $res['group_id'])) ["group_name"];
echo mysqli_fetch_assoc(mysqli_query($con,"SELECT * FROM `lylme_groups` WHERE `group_id` = ".$res['group_id']))["group_name"]; echo '</td><td><a href="./link.php?set=edit&id=' . $res['id'] . '" class="btn btn-info btn-xs">编辑</a>&nbsp;<a href="./link.php?set=delete&id=' . $res['id'] . '" class="btn btn-xs btn-danger" onclick="return confirm(\'删除 ' . $res['name'] . ' ？\');">删除</a></td></tr>';
echo '</td><td><a href="./link.php?set=edit&id='.$res['id'].'" class="btn btn-info btn-xs">编辑</a>&nbsp;<a href="./link.php?set=delete&id='.$res['id'].'" class="btn btn-xs btn-danger" onclick="return confirm(\'删除 '.$res['name'].' ？\');">删除</a></td></tr>'; }
}
?> ?>
</tbody> </tbody>
</table> </table>
@ -165,9 +150,7 @@ echo '</td><td><a href="./link.php?set=edit&id='.$res['id'].'" class="btn btn-in
</div> </div>
</main> </main>
<?php <?php
} }
include './footer.php'; include './footer.php';
?> ?>