数据库课程设计 PHP web实现
纪念一下自己写的东西.. 都说很垃圾就是了
直接用XAMPP做的 菜鸟网上学的PHP和HTML
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>学生信息</title>
</head> <style>
body {
background: rgba(12, 100, 129, 1) url('https://images2018.cnblogs.com/blog/1393985/201806/1393985-20180613124043614-112674236.jpg') fixed no-repeat;
background-position: 50% 5%;
background-size: cover;
}
</style> <body>
<center>
<br><br>
<h2>学生信息管理</h2>
<a href="myindex.php">浏览学生</a>
<a href="login.php">增删学生</a>
<hr>
<br><br><br><br><br>
<form action="search.php" method="post">
<input type="text" name = "fname"><br>
<input type="radio" name = "vehicle" value="name">姓名<br>
<input type="radio" name = "vehicle" value="num" checked="checked">学号<br>
<input type="radio" name = "vehicle" value="course" checked="checked">课程<br>
<input type="submit" value = "搜索">
</form>
</center>
<br><br><br><br><br><br><br><br><br><br><br><br><br>
</body>
</html>
test1
<!DOCTYPE html>
<head>
<meta charset = "UTF-8">
<title>学生信息管理</title>
</head> <style>
body {
background: rgba(12, 100, 129, 1) url('https://images2018.cnblogs.com/blog/1393985/201806/1393985-20180613124043614-112674236.jpg') fixed no-repeat;
background-position: 50% 5%;
background-size: cover;
}
</style> <body>
<center>
<h3>浏览学生信息<h3>
<table width = "800" border = "1">
<tr>
<th>学号</th>
<th>姓名</th>
<th>课程1</th>
<th>课程2</th>
<th>课程3</th>
<th>课程4</th>
<th>课程5</th>
</tr>
<?php
$dbhost = "localhost:3306";
$dbuser = "root";
$dbpass = ""; $conn = mysqli_connect($dbhost, $dbuser, $dbpass);
if(!$conn)
{
die('Could not connect: ' . mysqli_error());
}
mysqli_query($conn , "set names utf8");
mysqli_select_db($conn, 'demo'); $sql = "SELECT * FROM stu";
$retval = mysqli_query($conn, $sql); while($row = mysqli_fetch_array($retval, MYSQLI_ASSOC))
{
echo "<tr>";
echo "<td>{$row['学号']}</td> ";
echo "<td>{$row['姓名']}</td> ";
echo "<td>{$row['课程1']} </td> ";
echo "<td>{$row['课程2']} </td> ";
echo "<td>{$row['课程3']} </td> ";
echo "<td>{$row['课程4']} </td> ";
echo "<td>{$row['课程5']} </td> ";
echo "</tr>";
} ?>
</table>
</center>
<h3>
<a href="test1.php">返回首页</a>
</h3>
</body>
</html>
myindex
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>课程查询</title>
</head> <style>
body {
background: rgba(12, 100, 129, 1) url('https://images2018.cnblogs.com/blog/1393985/201806/1393985-20180613124043614-112674236.jpg') fixed no-repeat;
background-position: 50% 5%;
background-size: cover;
}
</style> <body>
<center>
<?php
$dbhost = "localhost:3306";
$dbuser = "root";
$dbpass = ""; $conn = mysqli_connect($dbhost, $dbuser, $dbpass);
if(!$conn)
{
die('Could not connect: ' . mysqli_error());
}
mysqli_query($conn , "set names utf8");
mysqli_select_db($conn, 'demo'); $sqlll = $_POST["fname"];
$sqlcheck = $_POST["vehicle"]; echo "<br><br><br><br><br><br><br><br><br><br><br><br><br>";
if($sqlcheck === 'course')
{
echo "<table width = '400' border = '2'>";
echo "<tr>";
echo "<th>学号</th>";
echo "<th>姓名</th>";
echo "</tr>"; $sql = "SELECT `学号`, `姓名`, `课程1`, `课程2`, `课程3`, `课程4`, `课程5` FROM `stu` WHERE `课程1` LIKE '$sqlll'";
$retval = mysqli_query($conn, $sql);
while($row = mysqli_fetch_array($retval, MYSQLI_ASSOC))
{
echo "<tr>";
echo "<td>{$row['学号']}</td> ";
echo "<td>{$row['姓名']}</td> ";
echo "</tr>";
} $sql = "SELECT `学号`, `姓名`, `课程1`, `课程2`, `课程3`, `课程4`, `课程5` FROM `stu` WHERE `课程2` LIKE '$sqlll'";
$retval = mysqli_query($conn, $sql);
while($row = mysqli_fetch_array($retval, MYSQLI_ASSOC))
{
echo "<tr>";
echo "<td>{$row['学号']}</td> ";
echo "<td>{$row['姓名']}</td> ";
echo "</tr>";
} $sql = "SELECT `学号`, `姓名`, `课程1`, `课程2`, `课程3`, `课程4`, `课程5` FROM `stu` WHERE `课程3` LIKE '$sqlll'";
$retval = mysqli_query($conn, $sql);
while($row = mysqli_fetch_array($retval, MYSQLI_ASSOC))
{
echo "<tr>";
echo "<td>{$row['学号']}</td> ";
echo "<td>{$row['姓名']}</td> ";
echo "</tr>";
} $sql = "SELECT `学号`, `姓名`, `课程1`, `课程2`, `课程3`, `课程4`, `课程5` FROM `stu` WHERE `课程4` LIKE '$sqlll'";
$retval = mysqli_query($conn, $sql);
while($row = mysqli_fetch_array($retval, MYSQLI_ASSOC))
{
echo "<tr>";
echo "<td>{$row['学号']}</td> ";
echo "<td>{$row['姓名']}</td> ";
echo "</tr>";
} $sql = "SELECT `学号`, `姓名`, `课程1`, `课程2`, `课程3`, `课程4`, `课程5` FROM `stu` WHERE `课程5` LIKE '$sqlll'";
$retval = mysqli_query($conn, $sql);
while($row = mysqli_fetch_array($retval, MYSQLI_ASSOC))
{
echo "<tr>";
echo "<td>{$row['学号']}</td> ";
echo "<td>{$row['姓名']}</td> ";
echo "</tr>";
}
echo "</table>";
}
else {
if($sqlcheck === 'name') {$sql = "SELECT * FROM `stu` WHERE `姓名` LIKE '$sqlll'";}
else {$sql = "SELECT * FROM `stu` WHERE `学号` LIKE '$sqlll'";} echo "<table width = '800' border = '1'>";
echo "<tr>";
echo "<th>学号</th>";
echo "<th>姓名</th>";
echo "<th>课程1</th>";
echo "<th>课程2</th>";
echo "<th>课程3</th>";
echo "<th>课程4</th>";
echo "<th>课程5</th>"; $retval = mysqli_query($conn, $sql);
while($row = mysqli_fetch_array($retval, MYSQLI_ASSOC))
{
echo "<tr>";
echo "<td>{$row['学号']}</td> ";
echo "<td>{$row['姓名']}</td> ";
echo "<td>{$row['课程1']} </td> ";
echo "<td>{$row['课程2']} </td> ";
echo "<td>{$row['课程3']} </td> ";
echo "<td>{$row['课程4']} </td> ";
echo "<td>{$row['课程5']} </td> ";
echo "</tr>";
}
echo "</table>";
} ?>
</center>
<h3>
<a href="test1.php">返回首页</a>
</h3>
</body>
</html>
search
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>添加学生</title>
</head> <style>
body {
background: rgba(12, 100, 129, 1) url('https://images2018.cnblogs.com/blog/1393985/201806/1393985-20180613124043614-112674236.jpg') fixed no-repeat;
background-position: 50% 5%;
background-size: cover;
}
</style> <body>
<?php
$use = $_POST["user"];
$pass = $_POST["password"]; echo "<br><br><br><br><br><br><br><br><br><br>";
echo "<center>";
if($use === "admin" && $pass == "123")
{
echo "<h1>Welcome, lwq</h1>";
echo "<br>"; echo "<form action='addaction.php' method='post'>";
echo "<input type='text' name = 's1'>学号<br>";
echo "<input type='text' name = 's2'>姓名<br>";
echo "<input type='text' name = 's3'>课程1<br>";
echo "<input type='text' name = 's4'>课程2<br>";
echo "<input type='text' name = 's5'>课程3<br>";
echo "<input type='text' name = 's6'>课程4<br>";
echo "<input type='text' name = 's7'>课程5<br>";
echo "<input type='submit' value = '添加'>";
echo "</form>"; echo "<br><br><br>";
echo "<form action='delete.php' method='post'>";
echo "<input type='text' name = 'd1'>学号<br>";
echo "<input type='text' name = 'd2'>姓名<br>";
echo "<input type='submit' value = '删除'>";
echo "</form>";
}
else {
echo "sorry, assess denied!!<br>";
header("Location:test1.php");
}
echo "</center>";
?> <h3>
<a href="test1.php">返回首页</a>
</h3>
</body>
</html>
add
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>登陆</title>
</head> <style>
body {
background: rgba(12, 100, 129, 1) url('https://images2018.cnblogs.com/blog/1393985/201806/1393985-20180613124043614-112674236.jpg') fixed no-repeat;
background-position: 50% 5%;
background-size: cover;
}
</style> <body>
<br><br><br><br><br><br><br><br><br><br>
<center>
<form action="add.php" method="post">
用户: <input type="text" name="user"><br>
密码: <input type="password" name="password">
<input type="submit" value = "登陆">
</form>
</center>
<h3>
<a href="test1.php">返回首页</a>
</h3>
</body>
</html>
login
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>添加学生</title>
</head> <style>
body {
background: rgba(12, 100, 129, 1) url('https://images2018.cnblogs.com/blog/1393985/201806/1393985-20180613124043614-112674236.jpg') fixed no-repeat;
background-position: 50% 5%;
background-size: cover;
}
</style> <body>
<br><br><br><br><br><br><br><br><br><br>
<center>
<?php
$r1 = $_POST["s1"];
$r2 = $_POST["s2"];
$r3 = $_POST["s3"];
$r4 = $_POST["s4"];
$r5 = $_POST["s5"];
$r6 = $_POST["s6"];
$r7 = $_POST["s7"]; $dbhost = "localhost:3306";
$dbuser = "root";
$dbpass = ""; $conn = mysqli_connect($dbhost, $dbuser, $dbpass);
if(!$conn)
{
die('Could not connect: ' . mysqli_error());
}
mysqli_query($conn , "set names utf8");
mysqli_select_db($conn, 'demo'); $sql = "INSERT INTO `stu` (`学号`, `姓名`, `课程1`, `课程2`, `课程3`, `课程4`, `课程5`) VALUES ('$r1', '$r2', '$r3', '$r4', '$r5', '$r6', '$r7');";
$retval = mysqli_query($conn, $sql);
echo "添加成功";
?>
</center>
<h3>
<a href="add.php">继续添加</a>
<a href="test1.php">返回首页</a>
</body>
</html>
addaction
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>学生信息</title>
</head> <style>
body {
background: rgba(12, 100, 129, 1) url('https://images2018.cnblogs.com/blog/1393985/201806/1393985-20180613124043614-112674236.jpg') fixed no-repeat;
background-position: 50% 5%;
background-size: cover;
}
</style> <body>
<br><br><br><br><br><br><br><br><br><br>
<center>
<?php
$t1 = $_POST["d1"];
$t2 = $_POST["d2"]; $dbhost = "localhost:3306";
$dbuser = "root";
$dbpass = ""; $conn = mysqli_connect($dbhost, $dbuser, $dbpass);
if(!$conn)
{
die('Could not connect: ' . mysqli_error());
}
mysqli_query($conn , "set names utf8");
mysqli_select_db($conn, 'demo'); $sql = "DELETE FROM `stu` WHERE 学号 = '$t1'";
$retval = mysqli_query($conn, $sql);
$sql = "DELETE FROM `stu` WHERE 姓名 = '$t2'";
$retval = mysqli_query($conn, $sql);
echo "删除成功";
?>
</center>
<h3>
<a href="test1.php">返回首页</a>
</body>
</html>
delete
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