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How to solve the problem of Chinese garbled characters in PHP file upload

藏色散人Original: 2020-08-21 09:07:033296browse

Solution to Chinese garbled characters when uploading php files: First open the corresponding PHP file; then use the "iconv("UTF-8", "gbk",$name)" method to force transcode the file name. Just convert UTF8 to gbk.

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About PHP upload files and garbled Chinese names

In the front-end HTML page, the form is as follows

Upload.html

<!doctype html>
<html>
<head>
    <meta charset="UTF-8">
    <meta name="viewport"
          content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Document</title>
</head>
<body>
<form action="upload.php" method="post" enctype="multipart/form-data">
    <input type="hidden" name="MAX_FILE_SIZE" value="2621114">
    <input type="file" required name="upload_file">
    <input type="submit" value="提交">
</form>
</body>
</html>

Note

enctype="multipart/form-data" must be written , this is to tell the browser what you are uploading

02ad864ff822bc5116f29be2aa40bace Front-end settings file maximum value

Backend upload.php

<?php
if (is_uploaded_file($_FILES[&#39;upload_file&#39;][&#39;tmp_name&#39;])){
    $upfile = $_FILES[&#39;upload_file&#39;];
    //print_r($upfile);
    $name = $upfile[&#39;name&#39;];//获取文件名
    $type = $upfile[&#39;type&#39;];//文件类型
    $size = $upfile[&#39;size&#39;];//文件大小
    $tmp_name = $upfile[&#39;tmp_name&#39;];//服务器存储的临时名称
    $error = $upfile[&#39;error&#39;];//错误信息
    switch ($type){
        case &#39;image/png&#39;:
            $ok=1;
            break;
        case &#39;image/jpg&#39;:
            $ok=1;
            break;
        case &#39;image/jif&#39;:
            $ok=1;
            break;
        case &#39;image/jpeg&#39;:
            $ok=1;
            break;
    }
    if ($ok && $error == 0){
        move_uploaded_file($tmp_name,&#39;./upload/&#39;.iconv("UTF-8", "gbk",$name));
        echo &#39;文件上传成功&#39;;
    }else{
        echo &#39;文件上传失败&#39;;
    }
}

When uploading, PHP receives an array of information about the file, which can be found in the super global array $_FILES.

For example: If the name of the file input box in the form is upload_file, then all information about the file is included in the array $_FILES['upload_file'].

is_uploaded_file — Determine whether the file is uploaded through HTTP POST

move_uploaded_file — Move the uploaded file to a new location

bool move_uploaded_file ( string $filename , string $destination )

When encountering a Chinese file name, correct The file name is forced to transcode iconv("UTF-8", "gbk",$name) to convert UTF8 to gbk, so that there will be no garbled characters

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