php网页制作上传

// php.ini
upload_max_filesize = 10M
post_max_size = 10M

<!-- HTML表单 -->
<form action="upload.php" method="post" enctype="multipart/form-data">
    <input type="file" name="fileToUpload" id="fileToUpload">
    <input type="submit" value="Upload File" name="submit">
</form>

// upload.php
if ($_FILES["fileToUpload"]["type"] == "image/jpeg") {
    // 处理上传的JPEG文件
} else {
    echo "Only JPEG files are allowed.";
}

<!-- HTML表单 -->
<form action="upload.php" method="post" enctype="multipart/form-data">
    <input type="file" name="fileToUpload" id="fileToUpload" accept="image/jpeg">
    <input type="submit" value="Upload File" name="submit">
</form>

// upload.php
$target_dir = "uploads/";
$target_file = $target_dir . basename($_FILES["fileToUpload"]["name"]);
if (move_uploaded_file($_FILES["fileToUpload"]["tmp_name"], $target_file)) {
    echo "The file ". htmlspecialchars( basename( $_FILES["fileToUpload"]["name"])). " has been uploaded.";
} else {
    echo "Sorry, there was an error uploading your file.";
}