php从选择选项中指定文件夹

Question

对不起，我是 PHP 新手。我想创建一个表单来获取正在创建为文件名和文件夹名的页面的目的地。

到目前为止我做了什么：

<form method="post">
    <input type='text' name='filename' placeholder='Enter a filename' />
    <select>
        <option> value='Folder1' name="thisfolder">Folder1</option>
        <option> value='Folder2' name="thisfolder">Folder2</option>
        <option> value='Folder3' name="thisfolder">Folder3</option>
    </select>
    <input type='submit' value='Run the Script' />
</form>

<?php
    if ($_SERVER["REQUEST_METHOD"] == "POST"){ 
        $filename=$_POST['filename'];
        $myFile = .$thisfolder. "/page" .$filename.".php";

        $fh = fopen($myFile, 'w');
        $stringData = "Hello";
        fwrite($fh, $stringData);
    } 
?>

正如您首先注意到的，input 用于获取目标页面的文件名，select 元素用于选择三个预定义文件夹之一作为存储目录目标。

任何帮助将不胜感激。

Answer 1

试试这个：

<form method="post">
    <input type='text' name='filename' placeholder='Enter a filename'>
    <select name="thisfolder">
        <option value="Folder1">Folder1</option>
        <option value="Folder2">Folder2</option>
        <option value="Folder3">Folder3</option>
    </select>
    <input type='submit' value='Run the Script'>
</form>

<?php
if ($_SERVER["REQUEST_METHOD"] == "POST")
{
    // the name of the file to create
    $filename=$_POST['filename'];
    // the name of the folder to put $filename in
    $thisFolder = $_POST['thisfolder'];
    // make sure #thisFolder of actually a folder
    if (!is_dir(__DIR__.'/'.$thisFolder)) {
        // if not, we need to make a new folder
        mkdir(__DIR__.'/'.$thisFolder);
    }
    // . . . /[folder name]/page[file name].php
    $myFile = __DIR__.'/'.$thisFolder. "/page" .$filename.".php";
    $fh = fopen($myFile, 'w');
    $stringData = "Hello";
    fwrite($fh, $stringData);
    fclose($fh);
}
?>

Answer 2

您需要像这样在下拉菜单中添加一个名称，选择菜单也是在内部嵌套选项上的反向选择

<select name='myFolder'>

然后在表单提交时，您可以使用$_POST['myFolder'] 调用参数并在路径点中回显它 - 您也不会创建一个 var，因此如果没有像这样选择任何内容，您可以设置默认值。

$myfolder = $_POST['myFolder'] ? $_POST['myFolder'] : 'your defualt folder';

下面是它应该是什么样子的工作示例，

<form method="post">
<input type='text' name='filename' placeholder='Enter a filename'>
<input type='submit' value='Run the Script'>
<select name='myFolder'>
<option value="Folder1">Folder1</option>
<option value="Folder2">Folder2</option>
<option value="Folder3">Folder3</option>
</select>
</form>

<?php
 // store the myfolder param
  $thisfolder = $_POST['myFolder'] ? $_POST['myFolder'] : 'Folder1';

  if ($_SERVER["REQUEST_METHOD"] == "POST")
  { 

  $filename=$_POST['filename']; 
  $myFile = $thisfolder. "/page_" .$filename.".php";

  $stringData = "Hello";
    if (!mkdir($thisfolder, 0777, true)){
        // creat directory if not already
        }
  if(file_put_contents($myFile, $stringData)){
  echo 'File Saved!';
 }else{
  echo 'no directory exists'; 
 }} 
?>