| 点击数：334 | 回复数：8 |
| 作者：巨大八爪鱼 | |
| 最后回复：巨大八爪鱼 | |
| 最后回复时间：2015-5-31 12:15 |
<?php
include_once("conn.php");
function filterTextarea($source) {
$source = htmlspecialchars(trim($source));
$source = str_replace("\r\n", "<br>", $source);
return $source;
}
?>
<!doctype html>
<html>
<head>
<title>Form</title>
<script>
function checkForm() {
// stop submitting if the content is empty
var textarea = document.getElementById("content");
var content = textarea.value;
if (content == ""){
textarea.focus();
return false;
}
}
</script>
</head>
<body>
<?php
if (isset($_POST["content"])) {
// if the form has been submitted
$content = filterTextarea($_POST["content"]);
if (mb_strlen($content) >= 500) {
echo "The content is too long.";
} else {
$sql = "INSERT INTO Contents (Content, TimeCreated) VALUES (:content, NOW())";
$stmt = $dbh->prepare($sql);
$stmt->bindParam(":content", $content);
$stmt->execute();
if ($stmt->rowCount()) {
echo "Your content has been successfully saved.";
} else {
echo "An error occurred when saving your content.";
}
}
} else {
?>
<form onsubmit="return checkForm()" method="post">
<label>Content:</label><br>
<textarea style="width:300px;height:100px" id="content" name="content"></textarea><br>
<button>Submit</button>
</form>
<?php } ?>
</body>
</html>
