Home >Backend Development >PHP Tutorial >How to implement common file upload functions on PHP web pages

How to implement common file upload functions on PHP web pages

小云云Original: 2018-01-06 16:23:081900browse

This article mainly introduces in detail the common file upload functions of web pages in PHP. It has certain reference value. Interested friends can refer to it. I hope it can help everyone.

Use php to implement common file upload functions on web pages, for your reference, the specific content is as follows

Upload page

<!DOCTYPE html>
<html lang="en">
<head>
 <meta charset="UTF-8">
 <title>Title</title>

</head>
<body>
<!--上传文件 enctype="multipart/form-data"指的是编码方式为上传多种类型文件和数据流-->

<form method="post" action="123.php" enctype="multipart/form-data">
 <input type="file" name="file">
 <input type="submit" value="上传">
</form>
</body>
</html>

File processing page

<?php
/**
 * Created by fcc
 * User: Administrator
 * Date: 2017/10/31
 * Time: 10:33
 */

var_dump($_FILES);
//文件处理要实现的几点
//1.是否有错误
//2.文件类型是否符合要求
//3.文件大小是否符合要求
//4.文件名是否重复
//$types = [&#39;image/jpeg&#39;,&#39;image/png&#39;];
if (!$_FILES[&#39;file&#39;][&#39;error&#39;]){
 if ($_FILES[&#39;file&#39;][&#39;type&#39;] == &#39;image/jpeg&#39;){
  if ($_FILES[&#39;file&#39;][&#39;size&#39;]<200000){
//文件传到文件夹中，可以拼接时间戳，用户名等防止文件名重复
   $file_name = "./upload/2017-10-31/".$_FILES[&#39;file&#39;][&#39;name&#39;];
   if (!file_exists($file_name)){
    move_uploaded_file($_FILES[&#39;file&#39;][&#39;tmp_name&#39;],$file_name);
//    $filename=iconv("UTF-8","",$file_name);
   }else{
    echo "文件名重复";
   }
  }else{
   echo "文件过大";
  }
 }else{
  echo "文件格式错误";
 }

}
//实验过程中出现因为图片汉字命名报错！！！

Related recommendations:

Node layer simulation to implement multipart form file upload details

Ajax Cooperate with Spring to implement file upload function code

ajax html summary of file upload skills

The above is the detailed content of How to implement common file upload functions on PHP web pages. For more information, please follow other related articles on the PHP Chinese website!

Statement：

The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn

Previous article：PHP implements simple intersection, difference and union examples of arraysNext article：PHP implements simple intersection, difference and union examples of arrays

See more

How to implement common file upload functions on PHP web pages

Related articles