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admin.php
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admin.php
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<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8" >
<meta charset="UTF-8">
<meta name="viewport"
content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<link rel="stylesheet" href="bootstrap_min.css">
<style>
.login {
background-color:white;
color:black;
margin:20px;
padding:20px;
}
</style>
</head>
<body>
<nav class="navbar navbar-expand-md navbar-dark bg-dark">
<div class="container-fluid">
<a class="navbar-brand" href="#">
<span>Beijing Institute of Technology</span>
</a>
<button class="navbar-toggler" type="button" data-bs-toggle="collapse"
data-bs-target="#navbarSupportedContent"
aria-controls="navbarSupportedContent" aria-expanded="false" aria-label="Toggle navigation">
<span class="navbar-toggler-icon"></span>
</button>
</div>
</nav>
<!-- 网页样式设定 -->
<div class="form-control">
<h2 align="center">后台管理</h2>
</div>
<div class="login">
<center>
<p> MySql语句在这里可以直接执行:</p>
<form action="<?php echo $_SERVER['PHP_SELF'];?>" method="post">
<textarea rows="10" name="item" v-model="body" placeholder="请输入数据库命令行语句" class="form-control-plaintext" id="message_textarea" ></textarea>
<!-- 在此处键入数据库指令 -->
</br>
<button type="submit" class="btn btn-secondary" name = "submit2" value="do it!"> 提交 </button>
<!-- 设置点击button后执行语句上传指令 -->
</form>
<?php
// 对数据进行
if(isset($_POST["submit"])) {
$item=$_POST["item"]; //将网页中的数据库指令存入$item
$connect = mysqli_connect("localhost","root","yry001223","main"); //连接数据库
if(!$connect){
echo "<script>alert('数据库连接失败'); history.go(-1);</script>";
}
mysqli_select_db($connect,"user"); //选择对应的表，其他表的功能类似，由于时间原因，没有建立
mysqli_query($connect,"set names utf8"); //设置字符类型
$result = mysqli_query($connect,$item); //数据库执行指令
$arr = array();
while($rs = mysqli_fetch_assoc($result)){ $arr[]=$rs; } //执行结果存入数组
print_r($arr); //将结果显示（仅用于select指令）
// }else{
// echo "<script>alert('内容获取失败'); history.go(-1);</script>";
echo "<script>alert('提交成功'); history.go(-1);</script>";
}
?>
</p>
</center>
</div>
</body>
</html>