<html>
<head>
<title>Finding User</title>
</head>
<body>
<h2>Finding users from mysql database.</h2>
<form action="formhandler.php" method="post">
Fill user name:
<input name="username" type="text" size="20"/> <br />
<input name="submit" type="submit" value="Find"/>
</form>
</body>
</html>
具体操作步骤如下：
<html>
<head>
<title>User found</title>
</head>
<body>
<h2>User found from mysql database.</h2>
<?php
$username = $_POST['username'];
if(!$username){
echo "Error: There is no data passed.";
exit;
}
if(!get_magic_quotes_gpc()){
$username = addslashes($username);
}
@ $db = mysqli_connect('localhost','root','12345678','testphp');
if(mysqli_connect_errno()){
echo "Error: Could not connect to mysql database.";
exit;
}
$q = "SELECT * FROM user WHERE name = '".$username."'";
$result = mysqli_query($db,$q);
$rownum = mysqli_num_rows($result);
for($i=0; $i<$rownum; $i++){
$row = mysqli_fetch_assoc($result);
echo "Id:".$row['id']."<br />";
echo "Name:".$row['name']."<br />";
echo "Age:".$row['age']."<br />";
echo "Gender:".$row['gender']."<br />";
echo "Info:".$row['info']."<br />";
}
mysqli_free_result($result);
mysqli_close($db);
?>
</body>
</html>