我试过应用程序/pdf....如何上传 pdf？

Question

'<?php
    $allowedExts = array("jpg", "jpeg", "gif", "png");
$extension = end(explode(".", $_FILES["file"]["name"]));
if ((($_FILES["file"]["type"] == "image/gif")
|| ($_FILES["file"]["type"] == "image/jpeg")
|| ($_FILES["file"]["type"] == "image/png")
|| ($_FILES["file"]["type"] == "image/pjpeg"))
&& ($_FILES["file"]["size"] < 20000)
&& in_array($extension, $allowedExts))
  {
  if ($_FILES["file"]["error"] > 0)
    {
    echo "Return Code: " . $_FILES["file"]["error"] . "<br>";
    }
  else
    {
    echo "Upload: " . $_FILES["file"]["name"] . "<br>";
    echo "Type: " . $_FILES["file"]["type"] . "<br>";
    echo "Size: " . ($_FILES["file"]["size"] / 1024) . " kB<br>";
    echo "Temp file: " . $_FILES["file"]["tmp_name"] . "<br>";
    if (file_exists("upload/" . $_FILES["file"]["name"]))
      {
      echo $_FILES["file"]["name"] . " already exists. ";
      }
    else
      {
      move_uploaded_file($_FILES["file"]["tmp_name"],
      "upload/" . $_FILES["file"]["name"]);
      echo "Stored in: " . "upload/" . $_FILES["file"]["name"];
      }
    }
  }
else
  {
  echo "Invalid file";
  }
?> '

我试过了application/pdf....如何上传pdf文件?我可以在我的网站上上传jpg和png格式的文件，但是不能上传doc、txt和pdf格式的文件。我知道这段代码是用于$allowedExts = array("jpg"， "jpeg"， "gif"， "png");只有,但如何改变| |(带有_file美元("文件")("类型")= ="图像/jpeg"),| |(带有_file美元("文件")("类型")= ="应用程序/pdf")?

Answer 1

您的代码正在寻找扩展(pdf) &&类型

pdf的Mime类型:

application/pdf, application/x-pdf, application/acrobat, applications/vnd.pdf, text/pdf, text/x-pdf

Microsoft文档的扩展名和mime类型:http://filext.com/faq/office_mime_types.php

---

我认为你可以解决这个问题:

修改你的页面，添加这一行

echo "Type: " . $_FILES["file"]["type"] . "<br> Extension: " . $_FILES["file"]["name"] . "<br>";

显示文件类型和名称